
14
620914301
R
B
L1
L2
TRANSFMR
M1
M2
COMPRESSOR
PUMP
BL
CAL
W
A
M1
M3
M2
SSR
FU1
1
R
PB
2
OR
CT
Y
SVHG
6
7
R
6
W
6
W
5
V
J
4
V
HP
3
Y
LT
9
R
5
V
2
R
R
FS
2
OR
2
R
8
R
R
FL
LLS
SSR
R
R
12
13
14
15
+
–
5 VDC
SSR RATING
5 FLA, 30 LRA @ 240V
HI-TEMP INTERLOCK
M3
BL
10
11
LOW FLOW RELAY
1/3 H.P., 240V. 10A.
LOW FLOW
INTERLOCK
LEGEND
M1 – COMPRESSOR CONTACTOR
M2 – PUMP RELAY
M3 – LOW FLOW INTERLOCK
PB – PUSHBUTTON
FL – FAILURE LIGHT
SVHG – SOLENOID VALVE HOT GAS
BL – HOT GAS LIGHT
TR – BYPASS TIMER
LT – LOW TEMP THERMOSTAT
HP – HIGH PRESSURE CONTROL
FS – FLOW SWITCH
J – JUMPER
CAL – CAL ELECTRONIC THERMOSTAT
LLS – LOW LEVEL SWITCH
A – AUDIO ALARM
FU1 – FUSE
HTI – HIGH TEMP INTERLOCK
CT – CAL C. THERMOSTAT
SSR – SOLID STATE RELAY
WIRE COLOR CODING
B =
BLACK
BL =
BLUE
R = RED
OR = ORANGE
Y = YELLOW
G = GREEN
BR = BROWN
V = VIOLET
W = WHITE
NOTES:
1) CONDENSER FAN IS ONLY REQUIRED ON AIR COOLED UNITS.
2) THERMAL OVERLOADS ARE BUILT INTO THE COMPRESSOR.
3) SEE INSTRUCTIONS ON TRANSFORMER FOR HOOK–UP.
4) LAST TERMINAL USED: 15
5) ITEMS IN BOX ARE OPTIONAL.
6) COMPONENTS SHOWN IN DE–ENERGIZED CONDITION WITH
EMPTY RESERVOIR.
BL BLUE INDICATOR LIGHT
R RED INDICATOR
LIGHT
W WHITE INDICATOR
LIGHT
B
W
230V
24V
TR
BL
6
W
6
W
6
W
6
W
6
W
6
W
2
OR
FIGURE 9. WIRING DIAGRAM (CH1001 230/1/60 FLOW SWITCH HIGH TEMP.
INTERLOCK, LOW LEVEL SWITCH
PUMP
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