Control Board Physical Features - Islandaire EZ Series 42 Engineer's Manual

Control Board
Figure 45 Control Board Physical Featrures
u
V
W
X
Y
Z
AA
BB
keY
A trAnS – TRNSFRMR/ LOW VLT
B 24 VAc – ACCESSORY
c reMote therMoStAt
D egnD – ACCESSORY
e Dip SWitch 1
REMOTE ON/OFF
WSHP ON/OFF
F Dip SWitch 2
RESTART ON/OFF
FREEZE PROT ON/OFF
GAS HEAT ON/OFF
ELECTRIC HEAT ON/OFF
HEAT PUMP ON/OFF
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t S r Q
B
A
g ir plug
h DiSplAY
i oDA- OUTDOOR AIR SENSOR
J iDc – INDOOR COIL SENSOR
k rA – RETURN AIR SENSOR
l oDc – OUTDOOR COIL SENSOR
M nc – NORMALLY CLOSED
n no – NORMALLY OPEN
o conD – CONDENSER MOTOR
p reV – REVERSING VALVE
Q gAS – GAS VALVE
r cnu – EVAPORATOR MOTOR
HI
LO
COM
p o n M
D
c
S l2(n2)
t l2(n1)
u l2(n3)
V cnt – TRANS/LINE VOLTAGE
W FuSe
X l1
Y hYD/gAS – FAN SWITCH
Z no2 – COMPRESSOR
AA coM2 – LINE 1
BB no1 – ELECTRIC HEATER
cc coM1 – LINE 1
40
l
k
J
i
h
g
g
F
e
4
D
Fuse
An easily replaceable
6.3 Amp 250V fuse
conveniently located on
control board.
C
B
PR
V is