Vent Damper - Kenmore 229.960330 Owner's Manual

Continuous pilot/electronic intermittent ignition gas-fired cast iron steam boiler
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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

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