•
Strainer on return line
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The heating system has been bled
•
All radiator valves fully open
•
Expansion tank heating system (not included in the delivery)
•
Safety valve for expansion tank (not included in the delivery)
•
Filler cock heating system (not included in the delivery)
•
Leakage inspection
If a an external water heater is installed, also check:
•
Reversing valve
•
Safety valve for cold water (9 bar)
10.6.1.2 Electrical Installation
•
Circuit-breaker
•
Fuse protection
•
Direction of rotation of the compressor
•
Coolant pump
•
For DHP-A, outdoor unit
•
For DHP-A, defrost sensor
•
Positioning of the outdoor sensor
•
Control computer settings
If a an external water heater is installed, also check:
•
Reversing valve
10.6.1.3 Brine system
•
Expansion/bleed tank on the return pipe
•
Safety valve for expansion tank
•
Filler cock on the return pipe
•
Insulation in the outside wall lead-in
•
Other brine pipe insulation
•
Bleeding brine
•
Leakage inspection
10.6.2 Manual test
Test operate and at the same time check the function of the components.
10.6.2.1 Activate MANUAL TEST
1. Ensure that the main circuit breaker is on.
2. Select operating mode , in the menu INFORMATION -> OPERAT.->
3. Open the SERVICE menu by pressing and holding < in for five seconds.
4. Set the value for MANUAL TEST to 2.
Note! Set MANUAL TEST to 2 to navigate away from the menu during ongoing test operation.
Installation instructions VMBMA1002 – 67
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