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Check-up of temperature sensor
Connection to indoor module
The temperature sensors are connected to a low-voltage printed circuit board.
Temperature sensor
Measuring element
■
Outdoor temperature sensor WE-027
■
Buffer storage tank temperature sensor WE-019/01
■
Water temperature sensor in hot tap water storage tank, WE-019/01
■
Installation supply water temperature sensor WE-019/05
■
Room temperature sensors WE-033
NTC 10 kΩ
Fuse check-up
■
Fuse F1 is located on the main board of the indoor unit.
Fuse type:
-
T 2,0 A H, 250 V~
-
Max. power loss < 2,5 W
1. Switch off the supply voltage
2. Open the connection space
3. Check the fuse, replace if necessary.
Attention!
Incorrect or improperly installed fuses may lead to an increased
risk of fire.
■
Install fuses without using force. Arrange fuses correctly.
■
Use only fuses of the same type and with the same
characteristics.
F1
Attention!
Removing the fuses does not result in the load circuit being disconnected from voltage. Contact with any live parts may lead to
dangerous electrocution. When working on the unit, it is essential that the load circuit is also disconnected.
Summary of Contents for HPMI2 - 12
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