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ESIE05-04
Functional concept
Part 2 – Functional Description
2–17
3
2
4
5
1
1.13
Drain Pump Control
Purpose
Control the water draining from the drain pan.
Starting conditions
The drain pump control starts the drain pump motor when one of the following conditions is fulfilled:
Q
Cooling operation is activated
Q
Abnormal high water level is detected in the drain pan
Normal control
In normal control, the drain pump is turned ON at compressor starting and turned OFF 5 minutes after
the compressor has stopped (residual operation).
Float switch
activation during
thermostat OFF
When an abnormal drain level is detected in the drain pan, the float switch opens:
1
The thermostat stays forced OFF.
2
The drain pump starts to operate for minimum 10 minutes (even if abnormality is solved within the
10 minutes).
3
If the float switch closes again within 80 seconds, cooling operation can restart within the 10
minutes recovery period.
Drain pump
ON
OFF
Compressor
ON
OFF
5 min
Water level
abnormality
Abnormal
Normal
5 min
5 min
1 min 20
5 s
Normal
Float switch
Compressor
Drain pump
Error processing
OFF
OFF
ON
ON
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...