Honeywell S9360A Manual page 15

Parameter name
Boiler temperature drop
Thermal purge temperature limit
Thermal purge temperature rate of drop
Thermal purge time delay
WATER TEMPERATURE LOW AND THERMOSTAT ACTIVE
WATER TEMP.
HIGH OR CALL
FOR HEAT LOST
TIME OUT
A
WATER TEMPERATURE HIGH OR THERMOSTAT CALL FOR HEAT LOST
B
S9360A, S9361A, S9380A, S9381A INTEGRATED BOILER CONTROLLERS
Table 7. Thermal Purge Settings.
IGNITION
SEQUENCE
IDLE
ALL OUTPUTS OFF
CHECK LEAKAGE/
SET FLAME BIAS
BIAS DONE
WAIT LIMIT
SWITCH CLOSE
LIMIT SWITCH CLOSE
CHECK DAMPER/
PRESSURE SWITCH
OPEN
SWITCH OPEN
DRIVE DAMPER/
INDUCER WAIT FOR
SWITCH CLOSE
SWITCH CLOSE
SWITCH OPEN
PREPURGE
TIME OUT
DSI MODEL: SPARK:
IGNITION BEGINS AND TURN PILOT
MAIN VALVE OPENS VALVE ON
FLAME SENSED
DSI: TIME OUT
NOT FOR DSI
PROVE FLAME
STOP SPARKING
FLAME PROVED
DSI
FLAME STABILIZATION
TURN MAIN VALVE ON
TIME OUT
RUN
POSTPURGE
Fig. 11. Operating Sequence.
Minimum value
Not adjustable
120 °F (or OFF)
Not adjustable
1 minute
TIME OUT OR
MANUAL RESET
LIMIT SWITCH
OPEN
FLAME DEB ON
CHECK FLAME
FLAME DEB OFF
PRE-TRIAL
NOT FOR DSI
RETRY DELAY
TIME OUT
CSD-1
MODEL
B
DAMPER/
PRESSURE
SWITCH OPEN
RECYCLE DELAY
FLAME LOST
FLAME DEB ON
CHECK FLAME
FLAME DEB OFF
POST-TRIAL
15
Maximum Value
Not adjustable
160 °F
Not adjustable
10 minutes
CIRCULATOR
CONTROL
IDLE
ALL OUTPUTS OFF
THERMOSTAT CALL FOR HEAT ACTIVE
CIRCULATOR ON
THERMOSTAT CALL FOR HEAT LOST
CIRCULATOR OFF
TIME OUT
SOFT LOCKOUT
MAX NUMBER OF
RETRIES EXCEEDED
TIME OUT
A
HARD LOCKOUT
MAX NUMBER OF
RECYCLES EXCEEDED
TIME OUT
Default
10 °F
140 °F
5 °F/minute
2 minutes
MANUAL
RESET
A
TIME OUT
M33801
66-1203—05