Dunkirk D247 Installation Instructions Manual page 19

STEAM
OR HOT WATER SINGLE BASE BOILERS WITH HONEYWELL INTERMITTENT PILOT
WHERE THERMOSTAT DOES NOT CONTROL CIRCULATOR PUMP
H G
1_ 120V 60Hz
SUPPLY
TR-1
SUPPLIED Lr_
WITH AC CARTON I
IP
24VG
F4v .PIo
SET HEAT
ANTICIPATOR
AT 90 AMPS
WIRING
TD GAS
VALVE-
FACTORY INSTALLED
(OPTIONAL)
TH-I PS/HL MAN RESET
LWCD
TR-2 E
120V 60Hz
SUPPLY
H G
--
-rlPTIONAL-
_ SUPPLIED BY
INSTALLER
EWF
FIGURE 26
rlpT.PS/HL TH-I IP TR-I
WIRING Trl GAS VALVE- _ Ill_ 60Hz
PS/HL LWCB FACTORY INSTALLED _II_ SUPPLY
SUGGESTED WIRING FOR FORCED HOT WATER SINGLE BASE BOILER WITH HONEYWELL
INTERMITTENT PILOT WHERE THERMOSTAT CONTROLS CIRCULATOR PUMP
FIGURE 27
TH-1
TR-1
TR-2
PS/HL
TH-I
SET HEAT
ANTICIPATOR
AT
.90 AMPS
H
120V GOHz
SUPPLY
°T
iTR_I
R845A (NOT SUPPLIED)
WIRING TO GAS VALVE-
FACTORY INSTALLED
IP
CIRCULATOR
(OPTIONAL>
NAN, RESET
HL HL
FOR WIRE COLOR CODE BETWEEN GAS VALVE AND MODULE SEE ABOVE
THERMOSTAT (24 VOLT)
TRANSFORMER (120V-24V)
TRANSFORMER (120V-24V 50VA)
PRESSURE SWITCH (STEAM)
HIGH LIMIT (WATER)
COMPONENT CODING
-O-
--e-
LWCO
EWF
IP
19
CONTROL TERMINAL
WIRING CONNECTION
OPTIONAL CONTROLS
LOW WATER CUT-OFF
ELECTRIC WATER FEEDER
INTERMITTENT PILOT MODULE