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SiBE28-804
General Functionality
Functional Description
35
1.2
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 PC board 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...
R/C is defective
Indoor PC board is
defective
Outdoor PC board is
defective
Forced operating mode can be used to go to cooling or heating. In
forced operating mode, the compressor is forced to operate until the
defective indoor or outdoor PC board is back online.
Changing the switch to "emergency" for the… Switches ON the…
Indoor unit
Indoor fan
Drain pump
Outdoor unit
Compressor
Outdoor fan(s)
Step
Action
1
Turn OFF the power.
2
Switch ON the emergency switch (SS1) on the indoor PC board.
3
Switch ON the emergency switch on the outdoor PC board.
Normal
Emergency
EMERGENCY
ON
COOL
OFF
1
2
3
4
HEAT
Summary of Contents for FHQ100BUV1B x 2
Page 13: ...SiBE28 804 2 ...
Page 19: ...Model Name and Power Supply SiBE28 804 8 General Information ...
Page 29: ...Specifications SiBE28 804 18 Specifications ...
Page 33: ...Wired Remote Controller SiBE28 804 22 Remote Controller 1 2 Installation ...
Page 34: ...SiBE28 804 Wired Remote Controller Remote Controller 23 ...
Page 93: ...Outdoor Unit Fan Speed Control SiBE28 804 82 Functional Description ...
Page 131: ...Test Run and Operation Data SiBE28 804 120 Test Operation ...
Page 251: ...Troubleshooting by Remote Controller Display LED Display SiBE28 804 240 Troubleshooting ...
Page 277: ...PCB Layout SiBE28 804 266 Appendix ...
Page 297: ...RZQ100 140C7 RZQS125 140C7V1B SiBE28 804 286 Removal Procedure ...
Page 311: ...SiBE28 804 iv Index ...