Danfoss OP-LSVM Optyma Slim Packaged Condensing Unit Instruction Manual

Use safety devices like pressure switches and relief valves in compliance with regulations.
Check and set high-pressure switches and relief valves within service pressure limits.

Service Panel Removal:

For W05 Version:

Disconnect the power supply.
Remove the top panel screws and top panel.

Remove side panel screws and side panel parallel to the main switch.
Ensure no refrigerant penetration inside the electrical panel before connecting to the power supply.

For W09 Version:
Disconnect the power supply and turn off the main switch.

Frequently Asked Questions (FAQ)

Q: Can I use hand tools to modify the Potentiometer setting?
A: No, only use hands with proper PPE for this operation to avoid risks to performance and compressor safety.
Q: How should I position the unit during installation?
A: Ensure the unit is placed above floor level for good compressor compartment ventilation and avoid blocking walking areas, doors, or windows.

Optyma™ Slim Pack
OP-LSVM, MSTM, MSSM and MSIM

Relevant Standards and Directive

EN 378-2:2016: Refrigerating Systems And Heat Pumps-Safety And Environmental Requirements.
EN 60335-1: Household And Similar Electrical Appliances – Safety –Part 1: General Requirements
Low Voltage Directive n° 2014 / 35 / UE
Machinery Directive n° 2006 / 42 / CE
Pressure Equipment Directive (PED) no. 2014/68/EU
RoHS Directive 2011/65/EU
WEEE Directive 2012/19/EU

(Other local applicable standards)

Introduction

These instructions pertain to OptymaTM Slim Pack condensing units OP-LSVM, MSTM, MSSM, and MSIM (R448A, R449A, R452A, R407A, R407F, R507, R404A, R134a, R513A, R1234yf, R454C & R455A) used for refrigeration systems. They provide necessary information regarding the safety and proper usage of this product.

The condensing unit includes the following:

Scroll/reciprocating compressor
Microchannel heat exchanger
Dual pressure switches
Service valves suction/liquid with Schrader Valve
AC Fan motor for B1 & B2, EC Fan motor for B3 units
Weather proof housing
Filter drier (Flare connections)

Crankcase heater for compressor
Receiver with stop valve
Sight glass (Flare connections)

IP54 fully pre-wired electrical panel (including compressors contactor, overload relay, timer)
Fans speed controller*
Main switch with extended Rotary handle**

Components connected are equipped with Schrader port
- Factory pre-mounted for W09, not factory pre-mounted for W05.
- Only for W09

Handling and storage

It is recommended not to open the packaging before the unit is at the ﬁnal place for installation.
Handle the unit with care. The packaging allows for the use of a forklift or pallet jack. Use appropriate and safe lifting equipment.

Store and transport the unit in an upright position.
Store the unit between -35°C and 50°C.
Don’t expose the packaging to rain or a corrosive atmosphere.

After unpacking, check that the unit is complete and undamaged.

Installation precautions

Do not braze as long as the condensing unit is under pressure.

It’s not allowed to operate the unit in a flammable atmosphere.

Place the unit in such a way that it is not blocking or hindering walking areas, doors, windows, or similar.

A2L refrigerants are heavier than air. The unit has to be installed above floor level to have good compressor compartment ventilation.

PRV: For PED Cat I & II models, PRV shall be mounted at field during installation.

Ensure adequate space around and below the unit for proper air circulation and to open doors. Refer to Annex – A, Picture 1 for minimum distance to walls and ground.
Avoid installing the unit in locations that are daily exposed to direct sunshine for longer periods.

Avoid installing the unit in aggressive and dusty environments.
Ensure a foundation with a horizontal surface (less than 3° slope), is strong and stable enough to carry the entire unit weight and to eliminate vibrations and interference.
The unit ambient temperature shall not exceed 50°C during oﬀ-cycle.

Ensure that the power supply corresponds to the unit characteristics (See nameplate in unit).
When installing units for R454C, R455A & R1234yf refrigerants, use equipment speciﬁcally reserved for mildly ﬂammable refrigerants which was never used for other CFC, HFO, or HCFC refrigerants.
Use clean and dehydrated refrigeration-grade Copper / Aluminium tubes with appropriate thickness and silver alloy brazing material.

Use clean and dehydrated system components.
The suction piping connected to the compressor must be ﬂexible in 3 dimensions to dampen vibrations. Furthermore, piping has to be done in such a way that oil return for the compressor is ensured and the risk of liquid slug over in the compressor is eliminated.
In Optima condensing unit has a suction and liquid service valve with Schrader port for ﬁeld service operation

PRV Valve (Not factory fitted)

For Optyma™ Slim Pack, Condensing units that fall in PED cat I & II, PRV shall be ﬁtted (See Technical data for PED category in Annex A).
PRV is used as damage limiting device, not as pressure limiting device.

PRV to be ﬁtted on liquid receiver at 3/8″ NPT Connection. (Refer to Coolselector2 for PRV spare part code). Use Locatite 554 for PRV ﬁtment.
Torque: 40Nm (Don’t exceed given torque )
The installer needs to take care of where to blow the leaked refrigerant. Danfoss recommended blowing the refrigerant away form the condensing unit.

Recommended to change PRV when after discharge, Changing refrigerant.
Don’t remove the seal and attempt to reset the valve.
Valves must be installed vertically or Horizontally, but ensure PRV is ﬁtted above the system’s liquid level.

Ensure refrigerant is released safely into the atmosphere directly.
Incase of a hazard, an additional spare kit has been designed to collect the released refrigerant. The kit should be installed with proper piping routing for the discharge of refrigerant safely. (See picture below)
PRV should not be installed on the service valve.

Replace PRV after clean out of the system or bared out.
No Detachable joints and valves should not accessible to the public. All brazing joints should comply with EN 14276-2 and other permanent joints should comply with EN-16084.

Installation

Installation/servicing of Optyma™ Slim Pack condensing units must be carried out by qualiﬁed personnel concerning applicable local/international regulations.

The installation in which the condensing unit is installed must comply with EC Pressure directive (PED) no. 2014/68/EU. The condensing unit itself is not a ”unit” in the scope of this directive.
The unit must be securely installed on a stable and rigid support and ﬁxed from the beginning. See Annex-A, Picture 2.
It is recommended to install the unit on rubber grommets or vibration dampers (not supplied).

Slowly release the nitrogen-holding charge through the Schrader port. Refer to image Annex-A, Picture 3.
Connect the unit to the system as soon as possible to avoid oil contamination from ambient moisture.
Avoid material entering into the system while cutting tubes. Never drill holes where burrs cannot be removed.

Braze with great care using state-of-the-art technique and vent piping with nitrogen gas ﬂow.
Connect the required safety and control devices. When the Schrader port is used for this, remove the dummy cap.
It is recommended to insulate the suction pipe from the evaporator up to the compressor inlet with 19 mm thick insulation.

Make sure there is no refrigerant or damage inside the unit and cracks in pipes.
Make sure that all components inside the electrical box are protected against electrical overload and ‘‘not a source of ignition’’ from their respective manufacturer for approved refrigerants.
Field wiring must be routed through IP65 cable glands and cable entry plate only. For any additional wire routing, drilling, or piercing of electrical panel sides is strictly prohibited.

For ﬁeld wiring, only the required hole is to be pierced. No pierced hole should be left without cable in it. If undesired/unwanted piercing happens entire gland plate should be replaced.

The partition panel has dedicated openings for pre ventilation, do not seal/obstruct/close the openings in any manner.

In the event of uncertain leakages, To avoid refrigerant concentration in the compressor compartment, the compressor has an on-time delay of 30 seconds (factory setting) do not reduce the setting below 30 seconds.
Copper piping material should comply with EN12735-1. All pipe joints should comply with EN14276-2
At ﬁled installation, support to added according to size and weight. Recommended maximum spacing for pipe support as per EN12735-1 & EN12735-2

Connecting pipes shall be made before opening the valves to permit refrigerant to ﬂow between the refrigerating system parts.

Leak detection
Never pressurize the circuit with oxygen or dry air. This could cause ﬁre or explosion.

Do not use dye for leak detection.

Perform a leak detection test on the complete system.
The maximum test pressure is 25 bar.
When a leak is discovered, repair the leak and repeat the leak detection.

Vacuum dehydration

Never use the compressor to evacuate the system.
Connect a vacuum pump to both the LP & HP sides.

The vacuum pump must be certiﬁed to use in A2L refrigerant environment or ATEX certiﬁed.
Pull down the system under a vacuum of 500 μm Hg (0.67 mbar) absolute.
Do not use a megohmmeter nor apply power to the compressor while it is under vacuum as this may cause internal damage.

Electrical connections

Verify that all electrical connections inside the condensing unit are properly fastened as they could have worked loose during transportation.
Switch oﬀ and isolate the main power supply.
Ensure that the power supply can not be switched on during installation.

All electrical components must be selected per EN60335-1, EN60204, or local applicable standards and unit requirements.
Refer to the wiring diagram for electrical connection details.
All electrical components must be qualiﬁed to use A2L refrigerants and ‘‘not source of ignition’’.

Ensure that the power supply corresponds to the unit characteristics and that the power supply is stable (allowable voltage tolerance ±10% and allowable frequency tolerance ±2,5 Hz).
The power supply cables must be according to unit data for voltage, current, and ambient conditions. Refer Nameplate for voltage and current information.
Protect the power supply and ensure correct earthing.

Optyma™ Slim pack condensing unit starting frequency needs to be limited for reciprocating compressors
- Without a starting capacitor 5 starts per hour maximum.
- With a starting capacitor 10 starts per hour maximum.

Make the power supply according to local standards and legal requirements.
The unit is equipped with high and low-pressure switches, which directly cut the power supply to the compressor and provide 230V AC alarm signals (max. 50VA) in case of activation (Alarm signal wirings must be done on ﬁeld. Refer wiring diagram for more details). Parameters for high and low-pressure cutouts should be set by the installer considering compressor model, refrigerant, and application.
Determine the phase sequence by using a phase meter to establish the phase orders of line phases L1, L2, and L3.

Connect line phases L1, L2, and L3 to main switch terminals T1, T2 and T3 respectively.
The timer should have a minimum setting of 30 sec for pre-ventilation. Rotate clockwise and set the arrow to 30s marking or above (refer to below image)
B3 units (both W05 & W09 versions) assembled with EC fan Motor are equipped with a Potentiometer of 10kohms (refer to the image and wiring diagram). These are factory set for Fan to rotate at 80% speed. This is done to restrict the Noise emission and is suitable to operate at 43°C Ambient. If the Fan speed is to be increased, rotate the Potentiometer setting in a clockwise direction.
- Do not use any Hand tools to modify the Potentiometer setting. This operation must be done by Hand with proper PPE.
- Do not rotate this Potentiometer setting screw in a Counter-clockwise direction. This can potentially reduce the fan speed, risking the performance and compressor safety

Safety

The electrical box door should be in closed condition before connecting to the power supply.

The discharge tube temperature will go upto 120°C during the unit running conditions.
Recommended to install PRV inside the unit and the release of refrigerant should routed to the atmosphere directly.

Units will be with a 3/8″ NPT adapter plug. Users can select various options as mentioned in EN378-2:2016 Article § 6.2.2.3

The unit/installation into which the condensing unit is mounted/integrated must be by the PED.
As per EU F-gas regulation, R1234yf, R454C & R455A are considered as A2L refrigerant. Optyma™ Slim Pack units are qualiﬁed with R1234yf, R454C & R455A. All precaution and safety measures to be taken care of before and after installation.
All Optyma™ Slim pack condensing units are supplied with an adjustable dual pressure switch (KP-17WB) with a maximum 0.5A current rating.

To avoid an electric arc between hermetic connector pins, the compressor must not start, or electrical tests such as dielectric strength must not be performed while the refrigerating system is under vacuum.
All components should be compatible to use with speciﬁed refrigerants according to Optyma™ Slim Pack condensing unit codes. Refer to Annex A.
Optyma™ Slim Pack condensing units have pre-ventilation via a condenser fan before the compressor starts (30 seconds). Never disconnect or modify timer settings.

Beware of hot and extremely cold components.
Beware of moving components. The power supply should be disconnected while servicing.
Danfoss always recommends to main IP54 electrical box. In case of any damage to the rubber gasket, the customer should replace it immediately.

The compressor has an Internal overload protector (OLP). It will protect compressor pressure going beyond 32 bar pressure.
No valves and detachable joints shall be located in areas accessible to the general public except when they comply with EN 16084
Refrigerant piping shall be protected or enclosed to avoid damage.

Field piping should be installed such that it will be free from a corrosive or salty environment to avoid corrosion in copper /Aluminum piping.
In the case of ﬁre incidence, pressure increases due to an increase in temperature at the receiver. Hence it is very important to install the PRV.

Filling the system

Before ﬁlling the refrigerant into the Optyma™ Slim Pack condensing unit wear appropriate Personal Protective Equipment (PPE).
Never start the compressor under vacuum. Keep the compressor switched oﬀ.
If additional oil is required please refer to the compressor’s label for the type of oil. Check the Compressor application guideline for minimum oil level limit before reﬁlling.
Use only the refrigerant for which the unit is designed. Check the unit nameplate for more details.
For glide refrigerants such as R454C, R455A, R448A, R449A, and R452A use a liquid valve in the refrigerant cylinder to charge.
Fill the refrigerant in the liquid phase into the condenser or liquid receiver. Ensure a slow charging of the system to 4 – 5 bar for R448A, R449A, R452A, R407A, R407F, R507, R404A, R454C or R455A and approx. 2 bar for R134a, R513A. R1234yf.
Do not put liquid refrigerant through the suction line.
It is not allowed to mix additives with the oil and/or refrigerant. The remaining charge is done until the installation has reached a level of stable nominal condition during operation.
Never leave the ﬁlling cylinder connected to the circuit.
When charging A2L refrigerant make sure that the charging area is well ventilated
The Liquid receiver is ﬁtted with a Rotolock Valve for service purposes. As a factory setting, the valve will be in the completely OPEN position. During maintenance and Pump down, the Valve must be Rotated in a Clockwise direction until it is in the completely CLOSED position.
Suction, Liquid valves, and Receiver Rotolock valves as Schrader ports for service operations like Gas Charging, and pressure measurement.

Verification before commissioning

Use safety devices such as safety pressure switch and mechanical relief valve (not supplied) in compliance with both International and local applicable regulations and safety standards. Ensure that they are operational and properly set.
Check that the settings of high-pressure switches and relief valves don’t exceed the maximum service pressure of any system component.
Verify that all electrical connections are properly fastened and in compliance with international and local regulations.
When a crankcase heater is required, it must be energized at least 12 hours before initial start-up and start-up after a prolonged shut-down period.
The crankcase heater must be ﬁrmly ﬁxed with a compressor shell. Ensure that it does not fall.
The electrical panel door must be ﬁrmly closed using the knob in the door panel. For the W09 version only, the front door of the Electrical box is fastened by 4 screws on each corner.
All interconnecting tubes with (liquid and suction) Optyma™ Slim pack condensing unit must be sized properly depending upon the evaporator location.
Pressure drop in the suction and liquid line pipes must be evaluated as per evaporator location and distance (refer to coolselector2).
Optyma™ Slim Pack condensing units’ suction/discharge pressure and temperatures must be within the operating envelope, never operate condensing unit suction pressure below absolute pressure (vacuum).

Start-up

Never start the unit when no refrigerant is charged.
All service valves must be in the open position. See picture 3.
Check compliance between the unit and power supply.
Check that the crankcase heater is working.
Check that the fan can rotate freely.
Check that the protection sheet has been removed from the backside of the condenser.
Balance the HP/LP pressure.
Energize the unit. The condenser fan must start promptly and after 30 30-second delay, the compressor starts (pre-ventilation).
If the fan motor rotation direction is correct the low pressure indication on the low pressure gauge shall show a declining pressure and the high pressure indication on the high pressure gauge shall show an increasing pressure.
Ensure you have read the installation guidelines that are delivered with the condensing unit
Only use the correct refrigerant(s) as detailed on the data plate
Check compressor oil level
Check all mechanical connections are tight
Check all electrical overload settings are correct (See Annex D – Wiring Drawing).

Check with the running unit

Check the fan rotation direction. Air must ﬂow from the condenser towards the fan.
Check the current drawn and voltage.
Check suction superheat to reduce the risk of liquid slugging.
For glide refrigerants use temperature diﬀerence between saturated dew point at suction pressure and Suction line temperature on the tube.
When a compressor sight glass is provided observe the oil level at the start and during operation to conﬁrm that the oil level remains visible.
Respect the operating limits.
Optyma™ Slim Pack condensing units are designed to operate up to 43°C. During normal operation or peak operation, saturated dew point condensing temperature is not to exceed corresponding to 63 °C for R448A, R449A, R452A, R454C, and R455A. Saturated dew point condensing temperature not to exceed corresponding to 65 °C for R134a, R513A & R1234yf.
Check all interconnecting tubes are free from abnormal vibrations. If in case of excess vibrations, require corrective measures such as supporting brackets, and clamps.
When needed, additional refrigerant in the liquid phase may be added on the low-pressure side as slowly and far away as possible from the compressor. The compressor must be operating during this process.
Do not overcharge the system.
Follow the local regulations for restoring the refrigerant from the unit.
Never release refrigerant to the free atmosphere.
Before leaving the installation site, carry out a general installation inspection regarding cleanliness, noise, and leak detection.
Record the type and amount of refrigerant charge as well as operating conditions as a reference for future inspections.
Check refrigerant charge and running currents of motors to ensure correct operation
Check compressor suction superheat to reduce the risk of liquid slugging
Allow the system to run for 3 – 4 hours. Check the compressor oil level and top up with the correct oil type as identiﬁed on the data plate of the unit and compressor
Recheck the compressor oil level after 24 hours of operation
Carry out ﬁnal leak test and ensure all covers are ﬁtted and all screws fastened
Complete refrigerant labeling to comply with local standards.
Scroll Compressors are allowed to Operate at a maximum of 12 Start/Stop cycles per hour.
Reciprocating Compressors are allowed to Operate at a maximum of 10 Start/Stop cycles per hour.
Ensure maintenance is carried out according to the installation instructions

Maintenance

Always switch oﬀ the unit at the main switch before removing the fan panel.
Internal pressure and surface temperature are dangerous and may cause permanent injury.
Maintenance operators and installers require appropriate PPEs, skills, and tools to carry out the maintenance activity. Tubing temperature may exceed 100°C and can cause severe burns.
Ensure that periodic service inspections to ensure system reliability and as required by local regulations are performed.

To prevent system-related problems, the following periodic maintenance is recommended:

Verify that safety devices are operational and properly set.
Ensure that the system is leak-tight.
Check the compressor current draw.
Confirm that the system is operating in a way consistent with previous maintenance records and ambient conditions.
Check that all electrical connections are still adequately fastened.
Keep the unit clean and verify the absence of rust and oxidation on the unit components, tubes, and electrical connections.
Micro channel heat exchanger surface adequately cleaned to avoid clogging.
Timer settings are set at 30 seconds during normal running conditions.
Optyma™ Slim Pack condensing units are factory-fitted with flare-type filter driers. While changing the filter drier ensure that proper model designation and direction of flow. Ensure to conduct the leakage check after replacement. The condenser must be checked at least once a year for clogging and be cleaned if deemed necessary. Access to the internal side of the condenser takes place through the fan panel. Microchannel coils tend to accumulate dirt on the surface rather than inside, which makes them easier to clean than fin-and-tube coils.
Switch off the unit at the main switch before removing any panel from the condensing unit.
All electrical equipment, PPEs, and tools must be compatible and approved to use with A2L refrigerants like R454C, R455A & R1234yf.
Remove surface dirt, leaves, fibers, etc. with a vacuum cleaner, equipped with a soft brush or other soft attachment. Alternatively, blow compressed air through the coil from the inside out, and brush with a soft bristle. Do not use a wire brush. Do not impact or scrape the coil with the vacuum tube or air nozzle.
If the refrigerant system has been opened, the system has to be flushed with dry air or nitrogen to remove moisture and a new filter drier has to be installed. If evacuation or recovery of refrigerant has to be done, it shall be done in such a way that no refrigerant can escape to the environment.

Service panel removal procedure for W05 Version.

Step 1: Make sure that the power supply has been disconnected.

Step 2: Remove all top panel screws and then remove the Top panel.

Step 3: Remove all side panel screws.

Step 4: Remove the side panel parallel to the main switch.
Step 5: The electrical panel box should be in closed condition. Ensure there is no refrigerant penetration inside the Electrical panel before connecting it to the power supply.

Service panel removal procedure for W09 Version.

Step 1: Disconnect the power supply. Make sure the main switch is in off condition before servicing.

Step 2: Remove all top panel screws and then remove the Top panel.

Step 3: Remove all side panel screws.

Step 4: Remove the side panel parallel to the main switch.
Step 5: The electrical panel box should be in closed condition. Ensure there is no refrigerant penetration inside the Electrical panel before connecting it to the power supply.

Service panel removal procedure for W09 Version.

Step 1: Pull the cap from the isolator switch using screwdriver.
Step 2: Unscrew the isolator switch from the service panel.
Step 3: Take out the isolator switch.
Step 4: Removing the service panel.
- 1. Valve inlet
- 2. Valve outlet
- 3, 4. Service port

Valve Fully Closed (Valve spindle entirely turned clockwise)

1,3 and 4 Connected
2 has not connection to other ports

The valve opened some turns (valve spindle somewhere between opening & close)

1,2, 3 and 4 Connected

Valve Fully Opened (Valve spindle entirely turned anti-clockwise)

1,2 and 3 Connected
4 has not connection to other ports

Spindle completely closed

Spindle completely opened

Declaration of incorporation

Pressure Equipment Directive 2014/68/EU

EN 378-2:2016 – Refrigerating systems and Heat Pumps – Safety and environmental requirements Parts 2: Design, construction, testing, marking, and documentation
Low Voltage Directive 2014/35/EU EN 60335- 1:2012 + A11:2014- Household and similar electrical appliances-Safety-Part 1: General requirements for all above-mentioned condensing units
Eco-design DIRECTIVE 2009/125/ EC, establishing a framework for the setting of Ecodesign requirements for energy-related products. REGULATION (EU) 2015/1095, implementing Ecodesign Directive 2009/125/EC about Ecodesign requirements for professional refrigerated storage cabinets, blast cabinets, condensing units and process Chiller.
- Condensing unit measurements are produced according to standard “EN 13771-2:2017”. Compressor and condensing units for refrigeration-performance testing and test methods- part 2: Condensing units.
- Eco design declaration; refer Danfoss Coolselector®2 with code number (114X….) to find the declaration.
- IEC 60335-2-40 applicable clauses Annex JJ and Annex NN

Warranty

Always transmit the model number and serial number with any claim ﬁled regarding this product. The product warranty may be involved in the following cases:

Absence of nameplate.
External modiﬁcations; in particular, drilling, welding, broken feet, and shock marks.
Compressor opened or returned unsealed.
Rust, water, or leak detection dye inside the compressor.
Use of a refrigerant or lubricant not approved by Danfoss.
Any deviation from recommended instructions on installation, application, or maintenance.
Use in mobile applications.
Use in the explosive atmospheric environment.
No model number or serial number was transmitted with the warranty claim.

Disposal
Danfoss recommends that condensing units and oil should be recycled by a suitable company at its site.

Dual Pressure switch – Factory settings

Refrigerants	High-pressure settings (bar (g))		Low-pressure settings (bar (g))
Refrigerants	ON	OFF	ON	OFF
R404A/R507/R407A/R407F/R448A/R449A/R452A,R454C, R455A	23	27	2	0.6
R134a/R513A	13	17	2	0.6

Dual Pressure switch – Refrigerant setting

Refrigerants	High-pressure settings (bar (g))		Low-pressure settings (bar (g))
Refrigerants	ON	OFF	ON	OFF
R134a, R513A, R1234yf	14	17	2	0.6
R404A/R507, R452A	24	27	2	0.6
R454C	19	23	2	0.6
R455A	21	25	2	0.6
R448A/R449A	22	26	2	0.6

Fan speed controller setting – AC Fan Motor (B1 & B2 Chassis models)

FSC type	Fan speed Controller Spare part number	Refrigerant letter	For Refrigerant	Factory setting	Action required*
	061H3144	S	R134a/R513A/R1234yf	8 bar	360°=1 turn = Approx 0.8 bar (Clockwise rotation = Increase pressure setting, Counter clockwise rotation = Decrease pressure setting)
	061H3248	V	R404A/R452A/R507	15 bar
		X	R404A/R507/ R407A/R407F/R448A/ R449A/R452A (Except R134a and R513A)	15 bar
		T	R404A / R507, R455A, R454C, R448A/ R449A, R452A	15 bar
		I	R404A / R507, R407A, R407F, R448A, R449A, R452A, R454C, R455A (Except R134a and R513A)	15 bar	Rotate the screw by 9 turns in counter-clockwise direction to reach 8 bar

The installer can set the required settings based on the application.

Fan speed controller setting EC Fan Motor (B3, W09)

FSC type	Fan speed Controller Spare part number	Refrigerant letter	For Refrigerant	Factory setting	Recommended setting	Action required*
	061H3246	I	R134a/R513A	15 bar	10 bar	Rotate the screw by 3 turns in counter-clockwise direction to reach 10 bar
	061H3246	I	R404A / R507, R407A, R407F, R448A, R449A, R452A, R454C, R455A	15 bar	15 bar
XGE-4C

The installer can set the required settings based on the application.

Clockwise Direction = Increase the pressure setting. Counter Clockwise Direction = Decrease the pressure setting

Technical Data

Nameplate

For exact values please refer nameplate in unit

A: Model
B: Code number
C: Serial Number and barcode
D: EAN number
E: Refrigerant
F: PED Category
G: Application, Ingress Protection
H: Maximum Allowable Pressure (HP side)
I: Maximum Allowable Pressure (LP side)
J: Test Pressure
K: Maximum allowable Design Temperature
L: Pressure Relief Valve set pressure

Designation system for the Optyma™ Slim Pack range

1	Application M = MBP L = LBP
2	Package Condensing unit family: S = Slim Pack
3	Refrigerant T = R404A/R507, R455A, R454C, R448A/R449A, R452A S = R134a, R513A, R1234yf V = R454C, R455A, R452A, R404A/R507 X = R404A / R507, R134a, R407A, R407F, R448A, R513A, R449A, R452A I = R404A / R507, R134a, R407A, R407F, R448A, R513A, R449A, R452A, R454C, R455A
4	Condenser M = Microchannel heat condenser
5	Swept volume Displacement in cm^3: Example 034 = 34 cm³
6	Compressor platform DP/DX/DS = Fixed speed Reciprocating compressor MP/MX/MS = Fixed speed Reciprocating compressor, ML = Scroll compressor
7	Version W05: Optyma™ Slim Pack standard version (see Version table) W09: Optyma™ Slim Pack with Fan Speed Controller
8	Voltage code G = 230V/1-phase compressor & fan E = 400V/3-phase compressor & 230V/1-phase fan

Version control

Optyma™ Slim Pack	W05*	W09*
Condensing unit: IP level	IP54	IP54
Refrigerant	Group 1 / Group 2	Group 1 / Group 2
Compressor technology	Reciprocating / Scroll	Reciprocating / Scroll
Control box (pre-wired E-panel)	yes	yes
Microchannel condenser	yes	yes
Fan speed controller	–	yes
Main switch (circuit breaker)	–	yes
Filter drier (flare connections)	yes	yes
Sight glass	yes	yes
Crankcase heater	yes	yes
HP/LP adjustable press start	Auto/Manual reset mode	Auto/Manual reset mode
Access door(s)	yes for E-Box	yes for E-Box
Acoustic insulation	Provided as an accessory. Not supplied with the unit.
Discharge gas thermostat (Provision)	yes	yes
HP/LP Alarm (Provision)	yes	yes
Electrical Box design	IP54	IP54
Adjustable time delay (Compressor)	yes	yes
Pressure Relief Valve**	–	–

* Compatible with A2L refrigerant
** Accessory (Not factory mounted)

Technical data

Application

Codes

Model

Compressor Model

Electrical Code

Refrigerant

Recei- ver (L)

PED

category*

Suction Valve

Liquid Valve

Hou- sing

Unit Dimensions (mm)

W05

W09

bar

Inch

LBP

114X7263

114X7295

OP-LSVM014DP

DPT14LA

1.3

3/8″

530

910

364

114X7242

114X7296

OP-LSVM016DP

DPT16LA

1.3

3/8″

530

910

364

114X7227

114X7297

OP-LSVM026DS

DST26NA

3.4

1/2″

690

1079

464

114X7228

114X7298

OP-LSVM034DS

DST34LA

3.4

1/2″

690

1079

464

114X7244

114X7282

OP-LSVM048NT

NTZ048-5

3.4

5/8″

1/2″

690

1079

464

114X7245

114X7283

OP-LSVM048NT

NTZ048-4

3.4

5/8″

1/2″

690

1079

464

114X7247

114X7285

OP-LSVM068NT

NTZ068-5

3.4

5/8″

1/2″

690

1079

464

MBP

114X7226

114X7286

OP-MSTM008DY

DLY80RAb

1.3

3/8″

530

910

364

114X7229

114X7287

OP-MSTM009DY

DLY90RAb

1.3

3/8″

530

910

364

114X7230

114X7288

OP-MSTM012DP

DPT12RA

1.3

3/8″

530

910

364

114X7238

114X7291

OP-MSSM012SC

SC12G

1.3

3/8″

530

910

364

114X7231

114X7289

OP-MSTM014DP

DPT14RA

1.3

3/8″

530

910

364

114X7239

114X7292

OP-MSSM015SC

SC15G

1.3

3/8″

530

910

364

114X7232

114X7290

OP-MSTM018DX

DX18Tba

1.3

3/8″

530

910

364

114X7240

114X7293

OP-MSSM018SC

SC18G

1.3

3/8″

530

910

364

114X7325

114X7327

OP-MSTM021DX

DX21Tba

3.4

1/2″

690

1079

464

114X7241

114X7294

OP-MSSM021SC

SC21G

1.3

3/8″

530

910

364

114X7233

114X7299

OP-MSTM022DS

DS22TB

3.4

1/2″

690

1079

464

114X7248

114X7304

OP-MSSM026CS

CS26TB

3.4

1/2″

690

1079

464

114X7234

114X7300

OP-MSTM026DS

DS26TB

3.4

1/2″

690

1079

464

114X7235

114X7301

OP-MSTM026DS

DS26T3

3.4

1/2″

690

1079

464

114X7249

114X7305

OP-MSSM030CS

CS30TB

3.4

1/2″

690

1079

464

114X7237

114×7302

OP-MSTM034DS

DS34TB

3.4

1/2″

690

1079

464

114X7236

114X7303

OP-MSTM034DS

DS34T3

3.4

1/2″

690

1079

464

114X7266

114X7274

OP-MSIM034ML

MLZ015T4

3.4

3/4″

1/2″

690

1079

464

114X7267

114X7275

OP-MSIM034ML

MLZ015T5

3.4

3/4″

1/2″

690

1079

464

114X7326

114X7328

OP-MSTM038DS

DST38NA

3.4

1/2″

690

1079

464

114X7268

114X7276

OP-MSIM044ML

MLZ019T4

3.4

3/4″

1/2″

690

1079

464

114X7269

114X7277

OP-MSIM044ML

MLZ019T5

3.4

3/4″

1/2″

690

1079

464

114X7270

114X7278

OP-MSIM046ML

MLZ021T4

3.4

3/4″

1/2″

690

1079

464

114X7271

114X7279

OP-MSIM046ML

MLZ021T5

3.4

3/4″

1/2″

690

1079

464

114X7272

114X7280

OP-MSIM057ML

MLZ026T4

3.4

3/4″

1/2″

690

1079

464

114X7273

114X7281

OP-MSIM057ML

MLZ026T5

3.4

3/4″

1/2″

690

1079

464

114X7311

114X7317

OP-MSIM068ML

MLZ030T4

6.2

7/8″

1/2″

464

1105

825

114X7312

114X7318

OP-MSIM068ML

MLZ030T5

6.2

7/8″

1/2″

464

1105

825

114X7313

114X7319

OP-MSIM080ML

MLZ038T4

6.2

7/8″

1/2″

464

1105

825

114X7314

114X7320

OP-MSIM080ML

MLZ038T5

6.2

7/8″

1/2″

464

1105

825

114X7315

114X7321

OP-MSIM099ML

MLZ045T4

6.2

7/8″

1/2″

464

1105

825

114X7316

114X7322

OP-MSIM108ML

MLZ048T4

6.2

7/8″

1/2″

464

1105

825

KP switch settings

GA & PID Drawings

OP-LSVM, MSTM, MSSM and MSIM

Legend

A. Isolator Switch (W09 only)
B. Suction Valve
C. Liquid Valve
D. Air in
E. Air out
F. Door safety Label
G. Name Plate
H. Oil inside
I. Cable entry
- Electrical Cables

Note: all dimensions are in mm.

W05 Models: OP-LSVM, MSTM, MSSM and MSIM

W09 Models: OP-LSVM, MSTM, MSSM and MSIM

Legend

B1 Liquid receiver
B2 Filter drier (Flare)
B3 Sight glass (Flare)
D1 FSA connection (Flare)
E1 Liquid service valve
E2 Suction service valve
F1 Pressure Relief Valve
FSC Fan Speed Controller
SP 1/4 inch Schrader port
PDI Dual pressure switch
V1 Recip compressor
W1 MHCE with fan
PSL Low-Pressure side
PSH High-Pressure side
- Insulation

Wiring Diagram

Code G (W05): OP-MSSM021,OP-MSTM008,009,012,014,018,021,OP-LSVM016,014,OP-MSSM012,015,018

Code G (W05) : OP-MSIM034,044,046,057

Code E (W05) : OP-MSIM034,044,046,057

Code G (W05) : OP-LSVM048,068 & OP-MSTM022,026,034,038 & OP-LSVM026,034 & OP-MSSM030,026

Code E (W05) : OP-MSTM026,034 & OP-LSVM048,068

Code G (W09) : OP-MSTM008,009,012,014,018 & OP-MSSM012,015,018,021 & OP-LSVM014,016

Code G (W09) : OP-LSVM048,068 & OP-MSTM022,026,034 & OP-LSVM026,034 & OP-MSSM030,026,038

Code G (W09) : OP-MSIM034,044,046,057

Code E (W09) : OP-MSTM026,034 & OP-LSVM048,068

Code E (W09) : OP-MSIM034,044,046,057

Code G (W05) : OP-MSIM068,080

Code G (W09) : OP-MSIM068,080

Code E (W05) : OP-MSIM068,080,099,108

Code E (W09) : OP-MSIM068,080,099,108

Legend

BK black
BU blue
BN brown
GY grey
RD red
WH white
A1 Voltage relay
A1* Voltage relay (option)
B1 Fan speed controller
B1* Fan speed controller (option)
B2 High and Low-pressure switch
C1 Start capacitor compressor
C2 Run capacitor compressor
C3 Run capacitor fan
E1 Crankcase heater
F1 Main switch
F2 Overload relay
F3 Fuse control circuit
F4 Compressor thermal protector
H1 LP alarm
H2 HP alarm
K1 Contactor
K2 Start relay
K3 On-timer relay
M1 Compressor
M2 Fan motor
R1,R2,R2* Bleeder resistor
S1* Room thermostat (option)
S2* Discharge gas thermostat (option)
X1 Terminals
- Option (remove bridge)

DanfossA/S
Climate Solutions | danfoss.com | +45 7488 2222.

Any information, including, but not limited to information on the selection of the product, its application or use, product design, weight, dimensions, capacity, or any other technical data in product manuals, catalog descriptions, advertisements, etc., and whether made available in writing, orally, electronically, online, or via download, shall be considered informative and is only binding if and to the extent, explicit reference is made in a quotation or order confirmation. Danfoss cannot accept any responsibility for possible errors in catalogs, brochures, videos, and other material.
Danfoss reserves the right to alter its products without notice. This also applies to products ordered but not delivered provided that such alterations can be made without changes to the form, fit, or function of the product.

www.danfoss.com.

Documents / Resources

Danfoss OP-LSVM Optyma Slim Packaged Condensing Unit [pdf] Instruction Manual
OP-LSVM, OP-LSVM Optyma Slim Packaged Condensing Unit, Optyma Slim Packaged Condensing Unit, Slim Packaged Condensing Unit, Packaged Condensing Unit, Condensing Unit, Unit

References

User Manual

Danfoss OP-LSVM Optyma Slim Packaged Condensing Unit

Product Information

Product Usage Instructions

Introduction

Installation precautions

Installation

Electrical connections

Safety

Filling the system

Verification before commissioning

Start-up

Maintenance

Declaration of incorporation

Warranty

Technical Data

KP switch settings

GA & PID Drawings

Wiring Diagram

Documents / Resources

References

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