1. Safety Precautions
Thoroughly read the following safety precautions prior to installation. Observe these precautions carefully to ensure safety. After reading this manual, pass the manual on to the end user to retain for future reference. The user should keep this manual for future reference and refer to it as necessary. This manual should be made available to those who repair or relocate the units. Make sure that the manual is passed on to any future air conditioning system user. All electrical work must be performed by qualified personnel.
WARNING: indicates a hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION: indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
CAUTION: addresses practices not related to personal injury, such as product and/or property damage.
1-1. General Precautions
WARNING Do not install the controller in areas where large amounts of oil, steam, organic solvents, or corrosive gases (such as ammonia, sulfuric compounds, or acids), or areas where acidic/alkaline solutions or special chemical sprays are used frequently. These substances may significantly reduce the performance and corrode the internal parts, resulting in electric shock, malfunction, smoke, or fire.
To reduce the risk of injury, electric shock, or fire, do not alter or modify the controller.
To reduce the risk of short circuits, current leakage, electric shock, malfunction, smoke, or fire, do not wash the controller with water or any other liquid.
To reduce the risk of electric shock, malfunction, smoke, or fire, do not touch the electrical parts, USB memory, or touch panel with wet fingers.
To reduce the risk of injury or electric shock, before spraying a chemical around the controller, stop the operation and cover the controller.
To reduce the risk of burns, do not touch the electrical parts with bare hands during and immediately after operation.
To reduce the risk of injury, keep children away while installing, inspecting, or repairing the controller.
Test runs, inspection, and service must be performed by qualified personnel in accordance with this manual. Incorrect use may result in injury, electric shock, malfunction, or fire.
If you notice any abnormality, stop the operation and turn off the controller. Continuing the operation may result in electric shock, malfunction, or fire.
Properly install all required covers to keep moisture and dust out of the controller. Dust accumulation and the presence of water may result in electric shock, smoke, or fire.
To reduce the risk of frostbite, burns, injury, or electric shock, keep the equipment out of the reach of children.
CAUTION To reduce the risk of fire or explosion, do not place flammable materials or use flammable sprays around the controller.
To reduce the risk of electric shock or malfunction, do not touch the touch panel, switches, or buttons with a sharp object.
To avoid injury from broken glass, do not apply excessive force to the glass parts.
To reduce the risk of injury, electric shock, or malfunction, avoid contact with the sharp edges of certain parts.
To reduce the risk of injury, wear protective gear when working on the controller. Wear protective gear when working on the controller. High-voltage parts pose a risk of electric shock, and high-temperature parts pose a risk of burns.
1-2. Precautions for Unit Installation
WARNING Do not install the controller where there is a risk of flammable gas leaks. If flammable gas accumulates around the controller, it may ignite and cause a fire or explosion.
Properly dispose of the packing materials. Plastic bags pose a suffocation hazard to children.
Take appropriate safety measures against earthquakes to prevent the controller from causing injury.
To prevent injury, install the controller on a flat surface strong enough to support its weight.
CAUTION To reduce the risk of short circuits, current leakage, electric shock, malfunction, smoke, or fire, do not install the controller in a place exposed to water or in a condensing environment.
The controller must be installed by qualified personnel according to the instructions detailed in this manual. Improper installation may result in electric shock or fire.
1-3. Precautions for Electrical Wiring
WARNING To reduce the risk of malfunction, smoke, fire, or damage to the controller, do not connect the power cable to the signal terminal block.
To reduce the risk of malfunction, smoke, fire, or damage to the controller, do not apply a power supply voltage in excess of that specified.
Properly secure the cables in place and provide adequate slack in the cables so as not to stress the terminals. Improperly connected cables may break, overheat, and cause smoke or fire.
To reduce the risk of injury or electric shock, switch off the main power before performing electrical work.
Electrical work must be performed by qualified personnel in accordance with local regulations and the instructions provided in this manual. Only use specified cables and dedicated circuits. Inadequate power source capacity or improper electrical work will result in electric shock, malfunction, or fire.
To reduce the risk of electric shock, install an overcurrent breaker and an earth leakage breaker on the power supply. To reduce the risk of electric shock, smoke, or fire, install an overcurrent breaker for each controller.
Only use properly rated breakers (earth leakage breaker, local switch <switch + fuse that meets local electrical codes>, moulded case circuit breaker, or overcurrent breaker). The use of improperly rated breakers or the substitution of fuses with steel or copper wire may result in electric shock, malfunction, smoke, or fire.
To reduce the risk of current leakage, overheating, smoke, or fire, use properly rated cables with adequate current carrying capacity.
Proper grounding must be provided by qualified personnel. Do not connect the protective ground wire to a gas pipe, water pipe, lightning rod, or telephone wire. Improper grounding may result in electric shock, smoke, fire, or malfunction due to electrical noise interference.
CAUTION To reduce the risk of short circuits, electric shock, or malfunction, keep wire pieces and sheath shavings out of the terminal block.
To reduce the risk of short circuits, current leakage, electric shock, or malfunction, keep the cables out of contact with controller edges.
To reduce the risk of electric shock, malfunction, or fire, seal the gap between the cable and the end of the conduit tube with putty.
To reduce the risk of injury, do not touch the burrs of the knockout holes.
1-4. Precautions for Relocating or Repairing the Unit
WARNING The controller must be repaired or moved only by qualified personnel. Do not disassemble or modify the controller. Improper installation or repair may result in injury, electric shock, or fire.
CAUTION To reduce the risk of short circuits, electric shock, malfunction, or fire, do not touch the circuit board with tools or with your hands, and do not allow dust to accumulate on the circuit board.
1-5. Additional Precautions
CAUTION To avoid damage to the controller, use appropriate tools to install, inspect, or repair the controller.
To prevent unauthorized access, always use a security device such as a VPN router when connecting to the Internet.
Take appropriate measures against electrical noise interference when installing the controller in hospitals or radio communication facilities. Inverter, high-frequency medical, or wireless communication equipment as well as power generators may cause the air conditioning system to malfunction. The air conditioning system may also adversely affect the operation of these types of equipment by creating electrical noise.
To avoid malfunction, do not bundle power cables and signal cables together or place them in the same metallic conduit.
To avoid damage to the controller, do not overtighten the screws.
To avoid deformation and malfunction, do not install the controller in direct sunlight or where the ambient temperature may exceed 40°C (104°F) or drop below 0°C (32°F).
This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.
2. Introduction
AE-200A/AE-50A/AE-200E/AE-50E is a centralized controller. Any connected air conditioning systems can be operated or monitored on the AE-200A/AE-50A/AE-200E/AE-50E's LCD or the Web browser. Each AE-200A/AE-50A/AE-200E/AE-50E can control up to a total of 50 indoor units and other equipment. By connecting AE-200A/AE-200E (main controller) and AE-50A/AE-50E (sub controllers), up to 200 indoor units and other equipment can be controlled. Hereafter, AE-200A and AE-200E, unless otherwise specified, will be called "AE-200." Hereafter, AE-50A and AE-50E, unless otherwise specified, will be called “AE-50.”
2-1. Part Names
The controller features a display/touch panel, a USB port, and indicator LEDs for Power, ON/OFF, LAN1, LAN2, and Status. There is also a push switch. The LEDs indicate operational status such as power on/off, data transmission, and unit status (on, error, off).
| Item | Description |
|---|---|
| Power | Lit in green: Power ON; Unlit: Power OFF |
| ON/OFF LED | Lit in green: One or more air conditioning units are ON; Blink in green: One or more air conditioning units are in error; Unlit: All air conditioning units are OFF. |
| LAN1 LED | Blink in orange: Data transmission in progress (LAN1) |
| LAN2 LED | Blink in orange: Data transmission in progress (LAN2) |
| Status LED | Blink in blue: Software update in progress; Blink in pink: Software update failed |
| Push switch | Unused |
| USB port | Used when the settings data is backed up to or imported from the USB memory device. |
3. Package Contents
The following items are included in the package:
- Centralized controller (AE-200 or AE-50) with a pre-installed SD card.
- Plate A
- Plate B
- Countersunk screws (M4 × 40)
- Roundhead screws (M4 x 10)
- Wood screws (M4.1 × 25) (for specific wall installations)
- Cable tie
- Rubber bushings
- L-shaped driver (width across flat: 2.5)
- Installation Manual (this document)
- Instruction Book
- About Installation Manual and Instruction Book
- CD-ROM containing: Installation Manual, Instruction Book, Instruction Book (Web Browser for Initial Settings), Instruction Book (Web Browser for System Maintenance Engineer), Instruction Book (Web Browser for User), License Classification List, and About This Software.
Note: The CD-ROM is playable on CD/DVD drives. Documents are in PDF format and require Adobe® Reader® or Adobe® Acrobat®.
4. Specifications
4-1. Product Specifications
| Item | Specifications |
|---|---|
| Power supply | 100–240 VAC ± 10%; 0.3–0.2 A 50/60 Hz Single-phase |
| Fuse | 250 VAC 6.3 A Time-Lag type (IEC 60127-2S.S.5) |
| M-NET power feeding capability | No specifications; Only an MN converter can be connected. |
| Ambient conditions | Temperature: 0°C – +40°C (+32°F ~ +104°F) |
| Storage temperature range | -20°C – +60°C (-4°F ~ +140°F) |
| Humidity | 30%–90% RH (Non-condensing) |
| Dimensions (W × H × D) | 284 × 200 × 65 mm (11-5/32 × 7-55/64 × 2-17/32 in) |
| Weight | 2.3 kg (5-5/64 lbs) |
| Installation conditions | Indoor only; To be used in a business office or similar environment. |
When installed, the AE-200/AE-50 will protrude 25.0 mm (31/32 in) from the wall or the metal control box.
4-2. External Dimensions
The dimensions of AE-200 and AE-50 are identical. The unit measures 284 mm (11-5/32 in) wide, 200 mm (7-27/32 in) high, and 25 mm (31/32 in) deep for the main body, with a total depth of 40 mm (1-9/16 in) including the mounting bracket. Diagrams show the front view with the display and ports, side view, and rear view with mounting hole patterns for Plate A and Plate B.
5. System Configuration
5-1. System Configuration Example
This section explains examples of system configurations:
- (1) System without connection to an AE-50 controller (controlling 50 or fewer units).
- (2) System with connection to one or more AE-50 controllers (controlling more than 50 units).
- (3) System with connection to a sub system controller (power supplied from an outdoor unit).
- (4) System with connection to a sub system controller (power supplied from the power supply unit PAC-SC51KUA).
Note: Figures show transmission cable connections; power cables are omitted. The M-NET power jumper connection depends on the system configuration.
| System configuration | AE-200 CN21 | Outdoor unit CN41 | Outdoor unit CN40 |
|---|---|---|---|
| At factory shipment | V | V | X |
| System without connection to a sub system controller | V | V | X |
| System with connection to a sub system controller (System in which power is supplied from an outdoor unit) | X | X | V |
| System with connection to a sub system controller (System in which power is supplied from the power supply unit (PAC-SC51KUA)) | X | V | X |
(V): Connected, (x): Disconnected.
Provide a ground point for the indoor-outdoor transmission cable for each outdoor unit according to local standards. Set the centralized control switch (SW5-1 or SW2-1) on the outdoor unit connected to the M-NET transmission cable to ON.
Diagram Descriptions:
System configuration (1) shows an AE-200 connected via M-NET to an outdoor unit (Y) and an outdoor unit (R2), which in turn connect to various indoor units and controllers (MA, ME, AHC) organized into groups. It also shows connections to Mr. Slim/M- and P-Series outdoor units via M-NET adapters.
System configuration (2) illustrates a more complex setup with an AE-200 connected via LAN to a switching HUB, which then connects to multiple AE-50 controllers (AE-50_1, AE-50_2, AE-50_3). Each AE-50 is connected via M-NET to its respective outdoor units and indoor units/controllers. This configuration allows control of over 50 units.
System configuration (3) depicts a system where power is supplied from an outdoor unit to a sub system controller. It shows an AE-200 connected via M-NET to an outdoor unit (Y) and an outdoor unit (R2), with the latter acting as a sub system controller for its connected groups.
System configuration (4) shows a system where power is supplied from a power supply unit (PAC-SC51KUA) to the AE-200, which then controls other units via M-NET. This is similar to (3) but with a dedicated power supply unit.
5-2. Number of Connectable Units
The table below summarizes the number of connectable units:
| Unit Type | Number of Connectable Units |
|---|---|
| Indoor units, independent OA processing units, LOSSNAY units, DIDO controllers (PAC-YG66DCA), Air To Water (PWFY) units, Advanced HVAC CONTROLLERs, HWHP (CAHV) units, AI controllers (PAC-YG63MCA), PI controllers (PAC-YG60MCA) in each AE-200/AE-50 system | Up to 50 units (including interlocked LOSSNAY units) |
| Indoor units, independent OA processing units, LOSSNAY units, DIDO controllers (PAC-YG66DCA), Air To Water (PWFY) units, HWHP (CAHV) units in a group | 1–16 units (These types cannot be combined in one group.) |
| Remote controllers in a group | 0–2 units |
| System controllers in a group | 0–4 units (Up to four remote and system controllers combined) |
| Advanced HVAC CONTROLLER in a group | 0–1 unit |
| LOSSNAY unit that can be interlocked with each indoor unit | 1 unit |
| Indoor units that can be interlocked with each LOSSNAY unit | 1–16 units |
*1 Maximum controllable units vary based on DIDO controller channels. With Advanced HVAC CONTROLLERs, it's 70 units (with monitoring) or 60 units (without monitoring).
*2 Connecting AE-50 controllers to an AE-200 allows control of up to 200 units (with three AE-50 controllers).
*3 Each contact of a DIDO controller (PAC-YG66DCA) counts as one unit.
*4 Up to 15 PI controllers (PAC-YG60MCA) can be set per AE-200/AE-50, but the total for systems with AE-50 controllers must be 20 or less.
5-3. Setting M-NET Address for Various Devices
Addresses must be unique within the same M-NET system. The table outlines address setting methods for different devices:
| Device Type | Address Setting Method | M-NET Address Range |
|---|---|---|
| Indoor unit | Assign lowest address to main unit, then sequential addresses to others in the group. | 1–50 |
| Outdoor unit | Address = lowest indoor unit address + 50. | 51–100 |
| Auxiliary outdoor unit (BC controller etc.) | Address = outdoor unit address + 1. | 52–100 |
| OA processing unit/LOSSNAY unit | Assign an arbitrary, unused address after all indoor units are addressed. | 1–50 |
| Air To Water (PWFY) unit | Assign lowest address to main unit, then sequential addresses to others in the group. | 1–50 |
| HWHP (CAHV) unit | Main Box: Lowest address to main unit, sequential to sub units. Sub Box: Addresses = Main Box addresses + 50. | 1–50 (Main Box); 51–100 (Sub Box) |
| Mr. Slim/M- and P-Series outdoor unit | Same as indoor units. Requires PAC-SF81MA-E/PAC-SF82MA-E (sold separately). | 1–50 |
| Room air conditioner | Same as indoor units. Requires MAC-333IF-E/MAC-399IF-E (sold separately). | 1–50 |
| M-NET remote controller | Address = main indoor unit address + 100. For sub controllers, add 150 instead of 100. | 101–200 |
| MA remote controller | Address setting not required. Requires Main/Sub setting for each controller. | – |
| Sub system controller | Address = group number of smallest controlled group + 200. | 201–250 |
| Advanced HVAC CONTROLLER | Address = main indoor unit address + 200. If overlap, use arbitrary unused address between 201–250. | 201–250 |
| DIDO controller (PAC-YG66DCA) | Arbitrary, unused address after setting units 1–50. Controllable units vary by channels. | 1–50 |
| PI controller (PAC-YG60MCA) | Arbitrary, unused address after setting units 1–50. | 1–50 |
| AI controller (PAC-YG63MCA) | Arbitrary, unused address after setting units 1–50. | 1–50 |
Some listed units may not be controllable from AE-200.
Main and Sub System Controllers (M-NET): Each group can be controlled by a Main or Sub system controller. AE-200/AE-50 functions only as a Main system controller. A Main system controller manages all other controllers and units. Group and interlock settings are made only from the Main system controller. A Sub system controller is managed by a Main system controller. Diagrams illustrate valid and invalid system configurations regarding controller hierarchy and group assignments.
5-4. M-NET System Setting Example
(1) Setting Example for Connecting One or More AE-50 Controllers: Shows an AE-200 as the main controller connected via LAN to a switching HUB, which then connects to multiple AE-50 controllers. Each AE-50 is connected via M-NET to its respective outdoor units and indoor units. Addresses are indicated in parentheses.
(2) Setting Example for Connecting Multiple M-NET System Controllers: Illustrates an AE-200 as the main controller, connected to a power supply unit and an ON/OFF remote controller (sub system controller) via M-NET. Initial settings like group and interlock settings should be configured via the AE-200 Instruction Book or Web Browser. The M-NET power jumper (CN21) on the AE-200 should be disconnected.
(3) Setting Example for Controlling Mr. Slim Units (A-control models): Shows an AE-200 as the main controller connected via M-NET adapters to Mr. Slim outdoor units and indoor units. An M-NET adapter (sold separately) is required. The M-NET power jumper should remain connected to CN21.
6. Installation
WARNING To reduce the risk of injury or electric shock, switch off the main power before performing electrical work.
To avoid malfunction, do not bundle power cables and signal cables together or place them in the same metallic conduit.
6-1. Installation Methods
The AE-200/AE-50 can be installed using the following methods:
- Method 1: Wall-embedded installation (Refer to sections 6-6-1 and 6-6-2).
- Method 2: Wall-embedded installation with an electrical box (Refer to sections 6-6-1 and 6-6-3).
- Method 3: Installation on a metal control box (Refer to section 6-6-4).
- Method 4: Installation inside a metal control box (Requires separately-sold mounting kit PAC-YG86TK-J; refer to its manual).
Diagrams illustrate these methods, showing the unit mounted on a wall, within an electrical box, or within a metal control box.
6-2. Items Not Included
The following items are required for installation:
- Electrical box (Model: PAC-YG84UTB-J) for Method 2.
- Metal control box (minimum thickness 200 mm for Method 4) for Methods 3 and 4.
- Locknuts and bushing suitable for the conduit tube.
- Sleeved ring terminals (M3.5 for power/M-NET, M4 for ground).
- AC power cable/Protective ground wire (sheathed vinyl wire, 0.75–2.00 mm², AWG 18–14, green/yellow ground wire). A diameter of 10 mm (25/64 in) is recommended for fixing with cable ties.
- Transmission cable (sheathed vinyl cable, CPEVS or CVVS type).
- LAN cable (Category 5 or above straight cable, max. 100 m).
- Switching HUB (100 Mbps or faster recommended).
- Overcurrent breaker (fuse or circuit breaker, 3 A rated).
- Earth leakage breaker (3 A rated, 30 mA sensitivity, max. 0.1 sec operation time).
6-3. Items Sold Separately
| Item Sold Separately | Model Name | Remarks |
|---|---|---|
| Electrical box | PAC-YG84UTB-J | Required only for installation method 2 |
| Mounting kit | PAC-YG86TK-J | Required only for installation method 4 |
| External input/output adapter | PAC-YG10HA-E | Required when using the external input/output function |
6-4. M-NET Transmission Cable Length
Observe maximum total lengths for proper signal transmission:
- Maximum total length of M-NET transmission cables: 500 m (1640 ft).
- Maximum total length of power feed: 200 m (656 ft).
Diagrams illustrate how cable lengths (a, b, c, d, e, f) contribute to these totals. The M-NET remote controller cable length should be 10 m (32 ft) or shorter and is included in the total length calculations.
6-5. Installation Space
Leave adequate space around the AE-200/AE-50 unit for installation. Specific clearances are required for side-by-side or vertical installations (30 mm and 40 mm respectively). Refer to the mounting kit’s manual for Method 4 installation space.
6-6. Installation Procedures
Connect necessary cables and wires before installation, referring to Chapters 7 and 10. Avoid installing the unit where it may experience continuous vibration, which could disconnect connector pins.
Important: When routing cables from above, allow them to hang loosely behind the controller to prevent water from running into connectors. Diagrams show good and bad examples of cable routing.
6-6-1. Cutting an Installation Hole and Screw Holes in the Wall (Methods 1 and 2)
Cut an installation hole (169 × 252 mm) and screw holes in the wall as shown in the provided diagrams with specific dimensions.
6-6-2. Wall-Embedded Installation (Method 1)
Illustrates mounting the unit using Plates A and B, roundhead screws, and countersunk screws. Wood screws are used if the wall is strong enough.
6-6-3. Wall-Embedded Installation with an Electrical Box (Method 2)
Shows the unit installed within an electrical box (PAC-YG84UTB-J, sold separately) mounted on the wall. Conduit tube, locknut, bushing, and wire access hole are depicted. The gap should be sealed with putty. Cable length should be adjusted to fit the box.
6-6-4. Installation on a Metal Control Box (Method 3)
Depicts the unit mounted onto a metal control box (not supplied) using Plates A and B, and screws. An L-shaped driver is used for installation.
7. Wiring Connections
7-1. Removing/Reinstalling the Service Cover
To access internal components, unscrew the fixing screw on the service cover and unhook the hooks. To reattach, hook the hooks and screw the fixing screw back in. Notes advise on cutting rubber bushings for cable routing and routing cables from the back if the wall is thick.
7-2. Connecting AC Power Cables and M-NET Transmission Cables
(1) System without connection to an AE-50 controller: Shows the AE-200 connected to an outdoor unit via M-NET transmission cables and AC power cables. Protective ground wire is also shown. Notes specify cable tie usage and M-NET power jumper (CN21) connection/disconnection based on system configuration.
(2) System with connection to one or more AE-50 controllers: Illustrates the AE-200 and multiple AE-50 units connected via LAN and M-NET to outdoor units. Wiring details for AC power, M-NET, and protective ground wires are shown for both AE-200 and AE-50 units. Notes are similar to (1).
7-3. Connecting the LAN Cable
Connect the LAN cable to the LAN1 port (LAN2 is unused). A category 5 or above straight LAN cable is required (not supplied). Use a switching HUB. Maximum distance between HUB and unit is 100 m (328 ft). Recommended number of connected devices (gateway, router, switch, HUB) between AE-200 and AE-50 is four or less. Long transmission delay times may cause communication errors. If five or more devices are connected, check transmission delay time (Section 7-4).
Note: LAN installation must precede unit installation. Consult system administrator for IP address settings on existing LANs. Use a VPN router for Internet connection security.
7-4. Confirming the LAN Transmission Delay Time
To check the transmission delay time, connect a monitoring PC to a HUB connected to the AE-200. Send a command from the PC to the AE-50 and check the response time on the PC display. The process involves opening the Command Prompt and using the `ping` command. The delay time should be 1000 ms or below. If `Request timed out` occurs or the delay exceeds 1000 ms, consult the network administrator.
Note: Ensure the monitoring PC's IP address does not overlap with AE-200/AE-50 addresses. Obtain permission from the network administrator for connections to existing LANs.
8. Initial Settings
Initial settings for the AE-200 are made via its LCD or Web browser. Procedures vary by system configuration (System 1: up to 50 units; System 2: over 50 units).
The table details the steps for startup, date/time settings, unit information, network settings, group settings, and exiting initial settings for both configurations. Key steps include turning on units, selecting language, setting IP addresses, and configuring groups.
9. Test Run
9-1. Collective Operation ON/OFF
Confirm group and interlock settings are complete before testing. Local remote controllers may take up to five minutes to become operable after power-on. Refer to the indoor unit Installation Manual for detailed test run procedures.
Test Run Procedure:
- Turn on power to the AE-200 and all units.
- After the "Please wait..." message disappears, navigate to [Unit info.] in [Initial Settings]. Set [Test run] to [Use] to display the [Test Run] button on the [Monitor/Operation] screen. Activate the [Test Run] button to start unit operation.
- Check for proper operation (e.g., airflow from indoor units).
- After confirming proper operation, stop the units via AE-200 or remote controllers.
10. External Input/Output
CAUTION To reduce the risk of injury, do not touch the burrs of the knockout holes.
A separately-sold external input/output adapter (PAC-YG10HA-E) is required. Cut out the CN5 knockout hole when connecting it. Set the [External Input Setting] on the [Network] screen.
10-1. External Signal Input Function
External contact signals (12 or 24 VDC) control collective operations: Emergency stop, ON/OFF, and Prohibit/Permit local remote controller operation.
(1) External Signal Input Function Setting: Describes modes like [Demand (Level signal)/Not in use], [Emergency Stop (Level signal)], [ON/OFF (Level signal)], and [ON/OFF/Prohibit/Permit (Pulse signal)], detailing their functions and signal types.
(2) External Signal Input Specifications: A table lists connections (CN5, lead wire from PAC-YG10HA-E) and their corresponding signals (Demand levels, Emergency Stop, ON/OFF, Prohibit/Permit) for different input types.
(3) Level Signal and Pulse Signal: Diagrams illustrate how level signals (determining demand levels) and pulse signals (for ON/OFF, Prohibit/Permit) work. Notes explain signal behavior and pulse width requirements.
(5) Recommended Circuit: Shows wiring diagrams for level and pulse signals using relays (X1, X2, Y1, Y2) and an external power supply (12 or 24 VDC). Important notes emphasize correct polarity and using the specified power supply.
10-2. External Signal Output Function
An ON signal indicates operation, and an Error signal indicates an error state. The ON signal is output even during an error.
(1) External Signal Output Specifications: A table details connections (CN5, lead wire) and their output signals (Common ground, ON signal, OFF signal, Error signal, Normal signal).
(2) Recommended Circuit: Depicts a relay-driven circuit for outputting signals using relays (Z1, Z2) and an external power supply (12 or 24 VDC). Includes diodes for relay coils. Important notes highlight the need for the correct power supply and avoiding no-load connections.
11. Inspection and Maintenance
Regular inspection and maintenance are recommended to ensure safe operation and maximize the lifespan of air conditioning units and controllers. A maintenance contract with a qualified dealer is advised. Service technicians will periodically inspect units for damage and take corrective measures.
Reference: Maintenance/Replacement Cycle of Components
| Component | Maintenance/Replacement Cycle |
|---|---|
| Centralized controller | 10 years |
* "Maintenance/replacement cycle" is not a warranty period but an estimated cycle for replacement or repair. Maintenance may be needed sooner under specific conditions, such as high temperature/humidity, unstable power, excessive vibration, or exposure to dust, salt, or harmful gases.
Compliance Information
This product is designed for residential, commercial, and light-industrial environments. It complies with EU regulations: Low Voltage Directive 2006/95/EC, Electromagnetic Compatibility Directive 2004/108/EC, and Restriction of Hazardous Substances 2011/65/EU.
The equipment has been tested and found to comply with Class B digital device limits per FCC Rules, designed for reasonable protection against harmful interference in residential installations. If interference occurs, measures like reorienting antennas, increasing separation, or using different circuits may help. Consult a dealer or technician for assistance.
