Vent Damper - Kenmore 229.960330 Owner's Manual

probetypelowwatercutotis,thismayoccureachtimethe
lowwatercutoffdetects a lowwaterconditionIf thisis the
case, a n isolation relayis required forthethermostat circuit
A24voltsinglepolesingle throw(SPST) normally o pen(N.O.)
relay _s required,such as the HoneywellR8222Aor
equivalent. Wireasshown in Fig.14Aor Fig.14B.
VENT DAMPER
The boiler is equipped with a factory wired harness with 4
pin molex plug, that plugs into the 4 pin molex receptacle
inside the vent damper operator.
The vent damper must be connected for the boiler to operate.
Wiring diagrams follow for the various different models.
CAUTION
Label all wires prior to disconnection when
servicing controls. Wiring errors can cause
improper and dangerous operation, Verify proper
operation after servicing.
24 VOLT
TRANSFORMER
VENT DAMPER
4 PLN
MOLEX PLUG
TO LWCO AND
IGNITION SYSTEM
-ISOLATION RELAY
24V.
SPST N+O. HONEYWELL
Y I R8222A OR EQUIVALENT
' !O
,_-----t----I BK
] _,_? i PRESSURE LIMIT
L........ p.J
.... .+tJ
%\
ELECTRONIC
THERMOSTAT
FIELD WLRING
VENT DAMPER
4 PIN
MOLEX PLUG
BK
24 VOLT r_
TRANSFORMER L_
7
TO LWCO AND
IGNITION SYSTEM
_y _-ISpOs[TA TI?o ' REoLNAYy W22 E V L
R8222A OR EQUIVALENT
°
+ ++ __±,,", PRES_ LIMIT
L -," TERMINAL++
-o" o--- G OF LWCO
_- ELECTRONIC
THERMOSTAT
---
FIELD WLRING
..... 14