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VI
CTORY VSPH Models
27
D. BURNER SHORT CYCLES
CAUSE
1. Thermostat heat anticipator set too low.
2. Excessive pressure drop due to excess venting or air intake
system.
3
. Blockage or restriction in venting or air intake system.
4. Defective air flow switch (out of adjustment).
REMEDY
1. Reset anticipator.
2. System must be corrected.
3
. Check and Repair
4. Replace. DO NOT adjust.
E. FUMES AND GAS ODORS
CAUSE
1. Leaks in gas piping or accessories.
2. Gas leaks in service line or meter connections.
3. Condensation trap is not full of water.
4. Venting system is physically damaged.
5. Over - firing
REMEDY
1. Locate leaks and repair.
2. Close service supply valve - shut down boiler and notify
utility
3. Check and fill with water.
4. Check carefully and repair. Also, see “Venting System
Regular Inspection”.
5. Adjust gas input to that shown on boiler rating plate.
IF REPLACEMENT PARTS ARE NEEDED
When parts are needed, refer to boiler model and serial number
shown on the boiler name/rating plate. Refer to publication num-
ber VSPH-10PL replacement parts for part numbers.Whenever
possible refer to the original order by number and date.
Control identification and replacement should not be attempted
by unskilled personnel. Only, simple easily - identified controls
and parts may be obtained locally. All other controls and parts
should be identified by and ordered from Slant/Fin. Relief/Safety
valves must be ASME rated for the pressure and gross output of
the boiler.
For replacement par
ts, heating contractors should contact their
Slant/Fin boiler distributor.