Slant/Fin VICTORY VSPH SERIES User's Information Manual page 8

V
ICTORY VSPH Models
A. NORMAL OPERATION - STATUS OF INDICATOR LIGHTS (LED'S)
O = LED off
DESCRIPTION OF OPERATION
Standby-Boiler waits for call for
heat
Thermostat calls for heat
Circulator on
Boiler water temperature below
high limit setting
Inducer on
Pressure switch contacts closed
30 seconds pre-purge period
Trial for ignition
Gas valve open
Pilot flame and main burners on
Boiler heating period
Thermostat call for heat ends
Circulator off
15 seconds post purge period.
Burners off.
B. DIAGNOSTIC FLASH CODES
Flashing LED's provide diagnostic information
WARNING: Only a trained, experienced service technician should perform troubleshooting. Turn off all electric power to
the boiler before service
LED's FLASHING
POWER LED *
POWER + TSTAT/CIRC LED'S *
POWER + PRES SWITCH LED'S *
POWER + FLAME LED'S *
FLAME LED *
PRES SWITCH LED
* Control Lockout
©Slant/Fin Corp. 1996.
= LED steady on
POWER TSTAT/CIRC
LED
INDICATION
120 V power supply. Polarity is reversed
48 VAC on thermostat circuit.
Pressure switch contacts are closed prior to
energizing the blower motor or does not close
within 5 minutes of the blower being turned on.
Flame sensed without call for heat.
Pilot flame was not established during trial for
ignition.
Pressure switch opened during boiler run
period. Wind gusts over 40 mph.
SLANT/FIN CORPORATION, Greenvale, N.Y. 11548 • Phone: (516) 484-2600
LIMIT
LED LED
O
Reverse Hot and NEUTRAL wires in the junction
box.
Check and correct the thermostat or zone valves
wirings.
Check air pressure switch.
Check hose connections to pressure switch.
Check for obstruction/restriction in venting, air
intake piping and termination.
Remove air box front panel.
Turn off power for at least 45 seconds.
Check if pilot flame exists during pre-purge
period (first 30 seconds). If pilot flame exists,
replace gas valve
Check gas valve knob to be in "ON" position.
Check inlet gas pressure.
Check pilot gas line.
Check ignition cable and the connections.
Check pilot flame to be "to 1/2" long"
Check pressure switch and its hoses.
Check for obstruction in venting, air intake
piping and termination.
FAX: (516) 484-5921 • Canada: Slant/Fin
8
PRESS
SWITCH
FLAME
LED
LED
REMEDY
, Mississauga, Ontario
LTD/LTEE
www.slantfin.com