SiBE28-804
Troubleshooting by Remote Controller Display / LED Display
Troubleshooting
227
Checking the Thermistors
Thermistors
If the cause of the problem is related to the thermistors, then the thermistors should be checked
prior to changing the PC board.
For more information about these thermistors, see:
“Wiring Diagrams’’ (outdoor units)
“Functions of Thermistors” on P33.
Overview of
thermistors
The table below contains an overview of the thermistors:
Checking
To check the thermistors, proceed as follows:
Check No.3
Thermistor
Description
Indoor
R1T
Suction air thermistor
R2T
Heat exchanger thermistor
Outdoor
R1T
Ambient air thermistor
R2T
Discharge pipe thermistor
R3T
Suction pipe thermistor
R4T
Heat exchanger thermistor
R5T
Intermediate heat exchanger thermistor
R6T
Liquid pipe thermistor
R10T
Power module fin thermistor
Step
Action
1
Disconnect the thermistor from the PC board.
2
Read the temperature and the resistor value.
3
Check if the measured values correspond with the values in the table on the next pages.
Содержание FHQ100BUV1B x 2
Страница 1: ...SiBE28 804 SkyAir RZQ71C7V1B RZQ100 140C7V1B RZQS71 100C7V1B RZQS125 140C7V1B R 410A Heat Pump 50Hz ...
Страница 13: ...SiBE28 804 2 ...
Страница 19: ...Model Name and Power Supply SiBE28 804 8 General Information ...
Страница 29: ...Specifications SiBE28 804 18 Specifications ...
Страница 33: ...Wired Remote Controller SiBE28 804 22 Remote Controller 1 2 Installation ...
Страница 34: ...SiBE28 804 Wired Remote Controller Remote Controller 23 ...
Страница 43: ...SiBE28 804 32 Functional Description 6 Outdoor Unit Fan Speed Control 81 6 1 Outdoor Unit Fan Speed Control 81 ...
Страница 93: ...Outdoor Unit Fan Speed Control SiBE28 804 82 Functional Description ...
Страница 131: ...Test Run and Operation Data SiBE28 804 120 Test Operation ...
Страница 251: ...Troubleshooting by Remote Controller Display LED Display SiBE28 804 240 Troubleshooting ...
Страница 277: ...PCB Layout SiBE28 804 266 Appendix ...
Страница 297: ...RZQ100 140C7 RZQS125 140C7V1B SiBE28 804 286 Removal Procedure ...
Страница 311: ...SiBE28 804 iv Index ...