53
Wiring Diagram
Wiring Diagram
Over Heat Thermostat
DC
FA
N
Flame Rod
~
i
XYW}hjS\h
w
W
hi
te
G
re
en
Blac
k
( AC
120
V )
Ignitor (AC 120V)
Air Pressure Switch
Ground
Supply Thermistor
CIR
MAX
MIN
HB
~
i
y
CAS
Ex2
Ex1
PRG
RST
i
y
~
i
i
i
i
i
y
(Solenoid V
alve)
T.D.R Damper
Gas
Va
lve
y
y
Pr
ess
ure
S
en
sor
y
Flow
Detect
S
witch
i
w
~
~
Exhaust Thermistor
Ye
llow
Yellow
Remote
controlle
r
3-way V
alve
PUMP
i
i
n
n
i
i
zy~Gy
zy~Gy
Condensat
e t
rap
Outdoor Thermistor
O
PTI
O
N
i
i
n
y
n
n
i
i
i
DHW Thermistor
~
i
OP
TI
ON
External pump
nu
k
OPTION
RCOP
Return Thermistor
Summary of Contents for VRC-100
Page 62: ...Memo ...
Page 63: ...Memo ...