¢
Drain control for defrosting operation (For Compact cassette,
Slim duct, and Medium static pressure duct types)
During cooling or dry mode
• When the compressor starts, the drain pump starts simultaneously.
• The drain pump operates continuously for 3 minutes after the compressor is turned off.
3 minutes
On
Off
On
Off
Compressor
Drain pump
• When the compressor stops by the
"Anti-freezing control (cooling and dry mode)"
78, the drain pump is turned off in 1 hour after the compressor stops.
• When the float switch is on, the compressor, indoor and outdoor fan motor operation are
stopped.
• Drain pump operates continuously for 3 minutes after the float switch is turned off and then
drain pump is turned off.
• When the float switch turns on continuously for 3 minutes, "failure indication" operates. (It is
necessary to turn off power for release it.)
• When the float switch turns off less than 3 minutes, the unit starts cooling operation. Indoor
fan motor starts after the float switch is turned off and the compressor starts after 3 minutes st.
3 minutes
3 minutes ST
On
Off
On
Off
On
Off
On
Off
Float switch
Compressor
Indoor fan
Drain pump
Less than 3 minutes
7-11. Drain pump control
- (04-75) -
7. Various control
CONTROL AND
FUNCTIONS
CONTROL AND
FUNCTIONS
Summary of Contents for ABHG18KRTA
Page 4: ......
Page 5: ...1 GENERAL INFORMATION 2022 08 08 SR_CH01_MU004EG_06 ...
Page 59: ...2 TECHNICAL DATA AND PARTS LIST 2022 08 08 SR_CH02_MU004EG_11 ...
Page 62: ......
Page 213: ...3 TROUBLESHOOTING 2022 08 08 SR_CH03_MU004EG_07 ...
Page 216: ......
Page 316: ...6 2 Outdoor unit 03 100 6 Thermistor resistance values TROUBLESHOOTING TROUBLESHOOTING ...
Page 317: ...4 CONTROL AND FUNCTIONS 2022 04 13 SR_CH04_MU004EG_08 ...
Page 320: ......
Page 403: ...5 FILED WORKING 2022 08 08 SR_CH05_MU004EG_08 ...