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ESIE05-04
Functional concept
Part 2 – Functional Description
2–5
3
2
4
5
1
1.3
Forced Operating Mode (Emergency Operation)
Purpose
The table below describes the purpose of the forced operating mode.
Starting conditions
You can operate the system manually by changing the emergency switch on the indoor and outdoor
PCB from "normal" to "emergency". When the system is operating in "emergency" it can not control
the room temperature.
Both the indoor and outdoor unit must be set to "emergency" while the power is off.
Ending conditions
You can end the emergency operation by changing the "emergency" switch back to "normal" while the
power is OFF.
Emergency
operation
Below table explains what will happen when the switch is set to "emergency":
How to set
Emergency
Operation
To set emergency operation, proceed as follows:
If...
Then...
Q
R/C is defective
Q
Indoor PCB is defective
Q
Outdoor PCB is defective
Forced operating mode can be used to go to cooling or heat-
ing. In forced operating mode, the compressor is forced to
operate until the defective indoor or outdoor PCB is back
online.
Changing the switch to "emergency" for the…
Switches ON the…
Indoor unit
Q
Indoor fan(s)
Q
Drain pump
Outdoor unit
Q
Compressor
Q
Outdoor fan(s)
Step
Action
1
Turn OFF the power.
2
Switch ON the emergency switch (SS1) on the indoor PCB.
Normal
Emergency
Summary of Contents for FCQ35B7V1
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...