![background image](http://html1.mh-extra.com/html/daikin/fhq100buv1b-x-2/fhq100buv1b-x-2_service-manual_2459261054.webp)
SiBE28-804
General Functionality
Functional Description
43
1.8
Forced Thermostat OFF
The unit will perform the forced thermostat off function in following conditions:
Condition 1 (cooling)
Thermostat off due to freeze-up prevention.
Based on the judgment to prevent the indoor heat exchanger from freezing, the thermostat is
forcedly turned OFF.
*1 FHQ Only
Condition 2 (heating)
Thermostat off due to high outdoor temperature.
RZQ71~140C7, RZQS71~140C7
When the outside temperature is > 32°CDB in heating mode, the unit will conduct a
forced thermostat off operation to protect the system.
"Freeze Prevention Function". Refer to P49.
Freeze prevention control
-3ºC
-1ºC
7ºC
Cumulative timer cleared after a continuous 20 minutes
4ºC
Indoor unit
heat exchanger
temperature
(Te)
The thermostat turns OFF after a continuous 1 minute
after 8 minutes from startup (*1)
The thermostat turns OFF after a cumulative 40
minutes
Reset after a continuous 10 minutes and cumulative
timer cleared after a continuous 10 minutes
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 ...