Testing The Co 2 Levels With The Casing Closed; Commissioning Cascade; Setting The Ebus Address In The Programming Unit Or Display Module; Check That The Flue Gas Damper Is Functioning Properly - Wolf COB-2 Operation Instructions Manual

Commissioning
Values are within the values of
✔ pump pressure is acceptable.
► End emissions test mode.
► Remove the oil pressure gauge.
► Fit casing.
If the stage 2 or stage 1 pump pressure was adjusted, the CO
i
(6.7.5 Testing the CO
6.7.5 Testing the CO
► Fit casing.
► Select parameter HG47 in the contractor level (BM-2) or the contractor menu (AM).
Stage 1:
► Measure the value.
► Compare value with
► Exit parameter HG47.
► Select parameter HG49 and repeat measurement.
HG
47
49
Table 6.3 Set value with casing closed
CO levels increase beyond CO
2
► Check balanced flue.
Measurements acceptable:
► Exit parameter HG49.
► Enter flue gas values in
► Remove the test probe.
► Close the test port. When doing so, ensure the caps are seated firmly!
6.8

Commissioning cascade

BM-2 programming unit installation and operating instructions for contractors
AM display module installation and operating instructions for contractors
KM-2 cascade module installation and operating instructions for contractors
6.8.1

Setting the eBus address in the programming unit or display module

NOTE
Duplicated eBus address!
System faults.
► Assign the eBus address once.
Address 1 is assigned as standard for all heat generators.
► Select parameter HG10 in the contractor level (BM-2) or the contractor menu (AM) of each heat
generator.
► Assign addresses 1 to 4.
6.8.2 Check that the flue gas damper is functioning properly
► Set parameter HG13 (input 1) to Fl. gas damper.
► Set parameter HG14 (output 1) to Fl. gas damper.
► Check that the flue gas damper opens during operation.
► Disconnect E1 for two minutes during operation (see wiring diagram
connection).
✔ The heat generator will deactivate and be locked out with fault code 8.
✔ The fan will continue to run at a low speed.
► Reconnect E1.
► Acknowledge fault message.
► Check that the flue damper closes when the system is on standby.
54 | WOLF GmbH
Table 6.2 Pump
levels with the casing
2
levels with the casing closed
2
Table 6.3 Set value with casing
Casing closed
Stage 1
Stage 2
max.:
2
12.1 Commissioning
pressure:
must be configured and tested
2
closed).
closed.
CO max. O
2
13.5 %
13.5 %
report.
min. CO level max.
2
2.7 % 50 ppm
2.7 % 50 ppm
Fig. 12.3 HCM-2 electrical
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