Temperzone ISD 211LYX and OSA 211RLTFH Air Conditioner Specifications and Wiring

Specifications

Feature	Indoor Unit (ISD 211LYX)	Outdoor Unit (OSA 211RLTFH)
Cooling capacity range (gross)	9.4 ~ 25.3 kW
Cooling capacity (net) to AS/NZS 3823 T1	19.0 kW
Heating capacity range	8.4 ~ 25.6 kW
Heating capacity H1	20.8 kW
Electrical input - cooling	6.0 kW
Electrical input - heating	5.8 kW
EER / AEER (cooling)	3.15 / 3.13
COP / ACOP (heating)	3.57 / 3.54
Unit Controllers	UC8 / IUC
Refrigerant	R32
Refrigerant precharge for 15 m	5.2 kg
Minimum floor area (@2.4m below ceiling diffuser)	14.4 m²
Additional charge req'd for over 15 m	60 g/m
Maximum line length	60 m
Max. charge / Min. floor area (below ceiling diffuser)	7.9 kg / 33.2 m²
Separation limit: OSA above ISD	20 m
Separation limit: OSA below ISD	20 m
Suction line	19 mm OD
Liquid line	9.5 mm OD
Compressor oil type	POE-46 (NXG5020 or equivalent)
Additional oil charge over 40 m length	10 ml/m
Compressor type	inverter scroll
Power supply via OSA	3 ph. 400V ac 50Hz
Compressor (3ph.) run amps at rating cond.	9.0 A
Indoor fan motor size	1250 W
Rated indoor fan speed	6.5 V
Indoor fan motor (1ph.) - full load	6 A
Outdoor fan motor (1ph.) - full load	1 A (x2)
Outdoor fan capacitor size	5 μfd (x2)
Control circuit breaker (internal)	10 A
Running amps (total system)	13.0 / 9.0 / 10.0 A
Max. running amps (total system)	23.0 / 14.5 / 15.5 A
RCD type recommended	type B, 30mA
Net weight ISD / OSA	86 / 129 kg

Accessories

ISD Spring mounting kit: 307-161-101
ISD Spigot plate adaptor Ø450 x 2 (NZ only): 525-311-715
ISD Filter box c/w EU2/G2 filter (NZ only): 493-000-006
ISD Replacement filter (NZ only): 119-000-082
ISD Supply air plenum Ø400 x 3 (NZ only): 492-000-005
ISD Return air plenum Ø400 x 3 (NZ only): 492-100-005
ISD Fresh air inlet spigot Ø150 (NZ only): 325-000-051
OSA Drain connection adaptor 25/13mm: 060-000-039
OSA Anti-vibration mounts - rubber (x4): 060-000-170
OSA Wall mounting kit: 526-061-007

Optional Controls

SAT-3 Room temperature controller: 201-000-146
Six Zone Control kit for SAT-3: 201-000-073
TZT-100 Room temperature controller: 201-000-350

Refer to Temperzone for other options, e.g., remote sensors, connection wires.

Tested in accordance with AS/NZS 3823.

Dimensions and Load Points

ISD 211LYX Indoor Unit Dimensions:

The diagram illustrates the unit's overall dimensions, including width (W), depth (X), height (Y), and mounting center dimensions (Z). It indicates clearance requirements (e.g., 500mm minimum clearance) and the location of access panels and optional filter boxes.

Indoor Unit Point Loads (kg):

Point	W	X	Y	Z
Load	21	24	21	20

Note: The fan motor can be accessed from panels above, below, or on the sides, with a maximum of two panels used at once.

OSA 211RLTF Outdoor Unit Dimensions:

This diagram shows the outdoor unit's overall dimensions, including width (W), depth (X), height (Y), and mounting center dimensions (Z). It highlights clearance requirements (e.g., 150mm, 750mm minimum clearances), refrigerant connections, electrical box location, drain holes (25mm diameter), and optional filter box access.

Outdoor Unit Point Loads (kg):

Point	W	X	Y	Z
Load	21	40	37	31

Recommended Connecting Pipe Sizes:

Suction: 19 mm OD
Liquid: 9.5 mm OD

Note: Specifications are subject to change without notice due to the manufacturer's ongoing research and development program.

Indoor Unit Wiring

This section details the internal wiring of the indoor unit and its connection to the outdoor unit. Key elements include:

Indoor Unit Controller (IUC): The central control board for the indoor unit.
Connections to Outdoor Unit: Primarily via ETH1, often with ferrite passes [??] to ensure signal integrity.
Temperature Sensors: Connections for Coil 1 (Yellow), Line 1 (Red), Supply Air (Black), and Return Air (Black) are specified.
Optional Controls: Connections for SAT-3 and TZT-100 room controllers, and a Six Zone Control kit are shown.
Remote On/Off Option: A dry contact connection is indicated, with a note to remove a link if this option is fitted.
DIP Switch Settings (DS1, DS2): These switches configure various unit parameters, including output voltage and voltage range settings. Factory default settings and site commissioning options are provided.
IUC Board Jumper Selection (J1, J2): Jumpers are used to configure settings based on cable length and termination.

Note: Refer to the 'Installation & Maintenance' pamphlet for detailed indoor-outdoor connection wiring.

Outdoor Unit Wiring

This section outlines the external wiring and internal connections of the outdoor unit. Key components and connections include:

Power Supply: Connections for L1, L2, L3, and N from the external protection and isolation unit.
Indoor Unit Connection: Multiple ETH connections (ETH1, ETH2, ETH3, ETH4, ETH5, ETH6) link the outdoor unit to the indoor unit's UC8 board. Ferrite passes [??] are used on various signal lines.
Variable Speed Drive (VSD): The outdoor unit utilizes a VSD for motor control, with specific connections and DIP switch settings for its configuration.
Sensors and Transducers: Connections for various sensors are detailed, including:
- Discharge Temp (S, Grey)
- Suction Temp (S, White)
- Ambient Temp (S, Black)
- O/D Coil Temp (S, N/A)
- I/D Coil Temp (S, N/A)
- Low Pressure (T, Fitted)
- High Pressure (T, Fitted)
Key Components: Electronic Expansion Valve (EEV), Control Circuit Breaker (CCB), Crankcase Heater (CCH), Compressor Motor (CM), Outdoor Fan Motor (OFM), Reversing Valve (RV).
DIP Switch Settings: Configuration options for TFC, VSD, and UC8 are provided, along with jumper settings for UC8.
Customer Notes: Instructions on passing wires through ferrites are included.

Note: Refer to the 'Installation & Maintenance' pamphlet for detailed indoor-outdoor connection wiring and alternative thermostat or BMS options.

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