1
Figure 16.
The
pressure pipe should
get hot during opera-
tion
Symbol explanation
1
Note! Hot!
1.
Check that:
•
the compressor is running in the right direction by putting a hand on the pressure pipe before the com-
pressor starts, the pipe is then cold. Feel again after a short while to ensure the pressure pipe becomes
properly hot.
•
it sounds normal and there is no noise.
2.
If the pipe does not get hot, or if the compressor sounds abnormal, perform fault tracing.
3.
Stop the compressor by setting the value to 0.
4.
Stop the brine pump by setting the value to 0.
5.
Stop the circulation pump by setting the value to 0.
8.2.6
Testing the auxiliary heating power stages
1.
Start the circulation pump by setting the value CIRC. PUMP to 1
AUX. HEAT 1
1.
Start the first auxiliary heating power stage by setting the value ADD.HEAT 1 to 1.
2.
Check that the auxiliary heater step works by exiting the MANUAL TEST menu and entering the INFORMATION
-> TEMPERATURE -> SUPPLY LINE menu and check that the temperature rises.
3.
Return to the menu MANUAL TEST and stop AUX. HEAT 1 by setting the value back to 0.
AUX. HEAT 2, AUX. HEAT 3
1.
Repeat the steps in AUX. HEAT 1 for AUX. HEAT 2 and AUX. HEAT 3.
2.
Stop the circulation pump by setting the value to 0.
8.2.7
Test fuse protection
1.
Start the circulation pump by setting the value CIRC. PUMP to 1
2.
Start the compressor by setting the value HEAT PUMP to 1.
3.
At the same time, start the auxiliary heating power stages available to check that the fuse protection can
withstand full power operation.
4.
Stop the auxiliary heating power stages and the compressor by setting the value back to 0.
5.
Stop the circulation pump by setting the value to 0.
8.2.8
Exit test operation
Set the value for MANUAL TEST to 0.
24 – Installation instructions
VMIFJ102
Summary of Contents for DHP-S&DP
Page 1: ...Installation instruc tions DHP S DP VMIFJ102 ...
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