Start Up; Installation Checklist; Manual Test - Danfoss DHP-H Installation And Service Instructions Manual

9 Start up
NOTE! Read the safety instructions!
The installation may only be commissioned if the heating sys-
⚠
tem, water heater and brine system have been filled and bled.
Otherwise the circulation pumps may be damaged.
If the installation is only to be run on auxiliary heating, first
⚠
ensure that the heating system is filled and bled and that nei-
ther the brine pump nor the compressor can be started. This
is carried out by setting the operating mode to ADD.HEAT.
9 .1 Installation checklist
Before manual test operation check the following points:
Piping installation, heating system
• Pipe connections in accordance with the connection diagram
• Flexible hoses on the supply and return pipes
• Pipe insulation
• Strainer on return pipe, heating system
• Bleeding of the heating system
• All radiator valves fully open
• Expansion tank, heating system
• Safety valve for cold water
• Safety valve for expansion tank
• Filling kit, heating system
• Leakage inspection
Electrical Installation
• Circuit-breaker
• Fuse protection
• Direction of rotation of the compressor
• Positioning of the outdoor sensor
• Control computer language
• At DHP-A, also outdoor unit
Brine system
• Expansion/bleed tank on the return pipe
• Safety valve for expansion tank
• Filling kit on the return pipe
• Insulation in the outside wall lead-in
• Other brine pipe insulation
• Bleeding of brine system
• Leakage inspection
9 .2 Manual test
Test operate and at the same time check the function of the tested
components.
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
4. Set the value for MANUAL TEST to 2.
NOTE! Select position 2 to navigate away from the MANUAL
TEST menu during ongoing test operation!
2
and for three seconds.
VMBMA102
Test the brine pump
5. Start the brine system pump by setting the value BRINEPUMP to 1.
6. Check that the brine pump is running by:
• listening
• putting a hand on the pump
• checking that the level in the expansion tank is stable. If the level
is not stable there is air in the system.
• listen for air
7. If the pump does not start see the Section Auxiliary Start of
Circulation Pumps.
8. If there is air in the brine system, bleed according to section 7.4.
9. Stop the brine pump by setting the value back to 0.
Test the circulation pump
10. Start the heating system circulation pump by setting the value
CIRC.PUMP to 1.
11. Check that the circulation pump is running by:
• listening
• putting a hand on the pump
• listen for air
12. If the pump does not start see the Section Auxiliary Start of
Circulation Pumps.
13. If there is air in the heating system, bleed according to Section
5.7.
14. Stop the circulation pump by setting the value back to 0.
Test the exchange valve
15. Activate the 3-way valve by setting the value VXV WARMWATER to 1.
16. Check that the arm on the 3-way valve changes position.
17. If the arm does not change position, see the fault-tracing sec-
tion in the service instructions.
Test the compressor
18. Start the circulation pump by setting the value CIRC.PUMP to 1
19. Start the heat pump compressor by setting the value
HEATPUMP to 1. At the same time as the value is set to 1 for
HEATPUMP the brine pump starts.
Figure 49: The pressure pipe should get hot during operation .
20. Check that:
• the compressor is running in the right direction by putting a
hand on the pressure pipe and checking that it is hot. NOTE! Risk
of burns, the pipe can reach 70-80°C!.
• it sounds normal and there is no noise.
21. If the pipe does not get hot, or if it sounds abnormal, see the
fault-tracing section in the service instructions.
22. Stop the compressor by setting the value back to 0.
23. Stop the brine pump by setting the value back to 0.
24. Stop the circulation pump by setting the value back to 0.