John Wood Commercial - ANED - Manual (Page 8)

Connection Diagram
Appliance in Standby Condition
The motor is energized during appliance thermostat “off” cycle.
The flue damper is the “closed” position.
Circuit diagram is as shown.
SL VENT DAMPER
128 VAC
24 V
R1 (N.C.)
R2 (N.O.)
SS2 (N.O.)
E.S. (N.O.)
(N.O.)
SS1
E.C.O.
TH.ST
VALVE
GNO
2
M
1
3
4
Schematic - Valve and Ignition Module
VALVE AND IGNITION MODULE
SL VENT DAMPER
R2 (N.O.)
SS2 (N.O.)
E.S. (N.O.)
128V NEUTRAL H
24V
E.C.O
TH.ST
(N.O.)
R1 (N.C.)
HV PV
N.S.I.
ONO
N.S.I.
RELAY
DRIVE
PLANE
SENSOR
TRIAC 24 DC
POWER
SUPPLY
DUAL VALVE
OUT
PILOT
ONO
HSI
FLAME SENSING
PILOT BURNER
BURNER
2 M
3
4
X X
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