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General Functionality
ESIE05-03
2–6
Part 2 – Functional Description
3
1
2
4
5
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...
P
R/C is defective
P
Indoor PCB is defective
P
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
P
Indoor fan§
P
Drain pump
Outdoor unit
P
Compressor§
P
Outdoor fan(s)
Step
Action
1
Turn OFF the power.
2
Switch ON the emergency switch (SS1) on the indoor PCB.
Normal
Emergency
ESIE05-03.book Page 6 Wednesday, April 6, 2005 4:09 PM
Summary of Contents for RZQ100B7W1B
Page 1: ...Service Manual ESIE05 03 RZQ71 125B8V3B RZQ100 140B7W1B Sky Air Inverter R 410A B series...
Page 2: ......
Page 10: ...ESIE05 03 viii Table of Contents 3 1 4 5...
Page 24: ...ESIE05 03 1 2 Part 1 System Outline 3 1 1 5...
Page 32: ...General Outline Outdoor Units ESIE05 03 1 10 Part 1 System Outline 3 1 1 4 5...
Page 42: ...Specifications ESIE05 03 1 20 Part 1 System Outline 3 1 1 4 5...
Page 56: ...Functional Diagrams ESIE05 03 1 34 Part 1 System Outline 3 1 1 4 5...
Page 58: ...ESIE05 03 1 36 Part 1 System Outline...
Page 70: ...Wiring Diagrams ESIE05 03 1 48 Part 1 System Outline 3 1 1 4 5...
Page 84: ...PCB Layout ESIE05 03 1 62 Part 1 System Outline 3 1 1 4 5...
Page 86: ...ESIE05 03 2 2 Part 2 Functional Description 3 1 2 5...
Page 110: ...General Functionality ESIE05 03 2 26 Part 2 Functional Description 3 1 2 4 5...
Page 150: ...ESIE05 03 3 2 Part 3 Troubleshooting 3 1 3 5...
Page 188: ...Troubleshooting ESIE05 03 3 40 Part 3 Troubleshooting 3 1 3 4 5...
Page 264: ...Additional Checks for Troubleshooting ESIE05 03 3 116 Part 3 Troubleshooting 3 1 3 4 5...
Page 266: ...ESIE05 03 4 2 Part 4 Commissioning and Test Run 3 1 4 5...
Page 306: ...ESIE05 03 5 2 Part 5 Disassembly and Maintenance 3 1 5...