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Functional concept
ESIE05-04
2–6
Part 2 – Functional Description
3
1
2
4
5
Active components
Additional info
Q
During emergency operation, do not attempt to operate the equipment from the remote controller.
The remote controller shows "88" while the emergency operation is active on the indoor unit
Q
If a safety device is activated during emergency, all actuators are turned OFF
Q
In cooling, the unit runs for 20 min and then stops for 10 min in order to avoid freeze-up of the
indoor coil.
Q
In heating, defrost is activated for 3 minutes once every hour.
Q
Emergency operation can not be carried out when the PCB board itself is defective.
Q
Be sure to set the emergency switch on both the outdoor and indoor unit.
Q
The unit will not regulate the temperature during emergency operation.
Q
Change the position of the emergency switch only when the power is turned off.
3
Switch ON the emergency switch on the outdoor PCB.
4
Set the emergency switch on the outdoor PCB to the forced mode you prefer (Cooling or
Heating).
5
Turn ON the power supply.
Step
Action
Component
Forced cooling
Forced heating
Forced defrosting
Compressor
ON
ON
ON
4-way valve
OFF
ON
OFF
Outdoor unit fan
H fan speed
H fan speed
OFF
Indoor unit fan
H fan speed
H fan speed
H fan speed
Drain pump
ON
OFF
ON
Summary of Contents for FHQ100BUV3B
Page 1: ...Service Manual ESIE05 04 R 410A Sky Air Indoor...
Page 2: ......
Page 20: ...ESIE05 04 1 2 Part 1 System Outline 3 1 1 5...
Page 62: ...General Outline ESIE05 04 1 44 Part 1 System Outline 3 1 1 4 5...
Page 78: ...ESIE05 04 1 60 Part 1 System Outline...
Page 112: ...Wiring Diagrams ESIE05 04 1 94 Part 1 System Outline 3 1 1 4 5...
Page 140: ...ESIE05 04 2 2 Part 2 Functional Description 3 1 2 5...
Page 164: ...ESIE05 04 3 2 Part 3 Troubleshooting 3 1 3 5...
Page 206: ...Error Codes ESIE05 04 3 44 Part 3 Troubleshooting 3 1 3 4 5...
Page 224: ...Additional Checks for Troubleshooting ESIE05 04 3 62 Part 3 Troubleshooting 3 1 3 4 5...
Page 226: ...ESIE05 04 4 2 Part 4 Commissioning and Test Run 3 1 4 5...
Page 252: ...ESIE05 04 5 2 Part 5 Disassembly and Maintenance 3 1 5...
Page 384: ...Disassembly and Maintenance ESIE05 04 5 134 Part 5 Disassembly and Maintenance 3 1 5 5...
Page 390: ...ESIE05 04 vi Index 3 1 4 5 W Wiring diagrams Indoor units k 1 61...