Roberts Gorden CoRayVac CRV-B-9 - Manual (Page 62)

CRV-S ERIES I NSTALLATION , O PERATION AND S ERVICE M ANUAL
56
Troubleshooting Flow Chart
No
Replace filters as necessar
y.
Replace the electrodes.
Adjust the gap or
replace the electrode.
Ignition module may have failed. Replace module.
Electrode gap should be 1/8". Is the gap too small?
No
Ye
s
Inspect the electrodes on the affected burners. Are they
burned or damaged?
No
Ye
s
Couplings may be installed improperly
. Lined couplings
should be used for tailpipe.
Refer to control panel manuals listed below
.
Make sure that all
thermostats or internal sensors are satisfied.
Ye
s
Do burners shut off after the
call for heat is satisfied?
Ye
s
No
Check for blockage in the outside air supply or for
leaks in the system.
Replace filters as necessar
y.
No
Ye
s
Are the filters on the
burners dirty?
Consult wiring instructions in pump manuals listed below
for reversal instructions.
Is the rotation of the pump motor correct?
Ye
s
No
Adjust system for proper vacuum at the end vent.
Is the vacuum setting
too low?
No
Ye
s
Is the flame low?
No
Ye
s
No
Ye
s
Are the filters on the
burners dirty?
Ye
s
No
Is the rotation of the pump motor correct?
Adjust system for proper vacuum at the end vent.
Follow burner check procedure given above.
No
Ye
s
Are there any "dead" burners in a branch?
Is the vacuum setting
too low?
No
Ye
s
Is the system leaking water?
No
Ye
s
Do the burners lockout
intermittently?
No
Ye
s
Make sure that all
thermostats or internal sensors are satisfied.
Ye
s
Does the pump shut down after a 2 minute post-purge
period?
Ye
s
No
TROUBLESHOOT ENDS. If problems persist, contact
your
ROBER
TS
GORDON
®
Independent
Distributor
.
Refer to control panel manuals listed below
.
Contact
Roberts-Gordon at www
.rg-inc.com
Consult wiring instructions in pump manuals listed below
for reversal instructions.
Control Panel IOS Manuals:
- System Control P/N: 10091601NA - ROBER
TS GORDON
®
UL
TRA
VAC™ P/N: 10081601NA
- For systems with no control panel, refer to appropriate control manufacturers instructions.
Pump IOS Manuals: - EP-100 P/N: 127201NA - EP-200 P/N: 127200NA - EP-300 P/N: 127202NA
Ye
s