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Wiring Diagram - Dunkirk Q90-50 Installation, Operation & Maintenance Manual

Series 4 gas-fired, direct vent, condensing, hot water boiler

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BK
VAC
COMMON
W
C_RTRAL HFjkT I
PUMP
LiNE
--
GROUND
NEUT.--
_iL_ JUN0_ON BOX
(NOTE; USE COPPER CONDUCTORS ONLY)
!_GRATEO
BOSER CONTROL
..................................................................
!
PITRANSFORMER
PRIORY
PB
BK
'_20VAO
I
i,
R3N_TER
O)AGNOST_C
_NDICATOR LIGHTS
@ POWER
(_ PLIRGE
(_ IGNFOR
_
VALVE
WIRINGDIAGRAM
V_R_NG (_LAGE)
...--,..UNE VOLTAGE BY fACTORY
LIGN__ VOLTAGEPAR DJS!_
LOW VI_LTAGEBY FACTORY
BA.SVOLTAGE pAR L_US_NE
------ LINEVOLTAGE BY INSTALLER
LIGNEDE VOLTAGEPARL'_NSTALLATEUR
____-
LOWVOLTAGEBYINSTALLF_R
BAS VOLTAGEPAR LINSTN.LATEUR
P/N: 240010137
REVISION:C

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This manual is also suitable for:

Q90-100Q90-75