
170
MODEL 450 (WITH ERC 50 HZ)
50HZ
50HZ
Models
450MAX04 TO945023-353
450MRX04 TO945024-353
450MWX04 TO945025-353
Caution: Disconnect power before working on
electrical circuitry.
See Serial Plate for Voltage
Shown in the OFF Position
Power Supply Block
Terminal Strip
Remote
Cond
Air
Option
Fan
Motor
Fan
Motor
(Black)
(Black)
Contactor
Contactor Coil
RMT Only
Liquid Line
Solenoid
AGT
Motor
P/N 020001985
Jumper
Carb
A
Carb
A
Circ
A
Circ
B
Agitator
Carb A
Carb A
Circ A
Circ B
P/N 020001986
HP
CO
CO
2
Pr
e
s
su
re
Wa
te
r P
re
s
s
u
re
S
u
ct
ion T
e
m
p
D
is
c
harge T
e
m
p
W
a
te
rbat
h T
e
m
p
Circ
B
T
e
m
p
Circ
A
T
e
m
p
Lev
el
Pr
obe
Ic
e Pr
obe
C
a
rb
A
Pr
obe
C
a
rb
B
Pr
obe
P/
N 0705-101
Eart
h
R
C
L/
N
L
STH13_Tech.book Page 170 Wednesday, September 15, 2010 3:20 PM