Specifications

176 Part Number STH12 9/10
MODEL 37K SCHEMATIC DIAGRAM
Carb. “A” Motor
Circ. “A” Motor
Low Incoming
Water Press
Warning Light
Grn/Yel
Lt. Blu
Blk
Red
Brn
Incoming
Power
3 Phase
4 Wire
LLC-A
PS-1
CR1
CR1
H6
M1
R
M4
M5
IBC-2
MS
Blk
Red
Brn
Compressor
Fan Motor
Grn/
Ye l
Grn/Yel
Yellow (Remote)
Blk (Air)
Yellow (Remote)
Brn (Air)
Lt. Blu
Lt. Blu
Brn
Grn/
Yel
Lt. Blu
Grn
Wht
Blk
Grn/
Yel
M2
Blk
Carb “A”
On/Off
Switch-1
Blk Blk
Blk
Circ “A”
On/Off
Switch-2
Blk Blk
Blk
Blk
Lt. Blu
Lt. Blu
CR1
CR2
LLC-B
M3
Lt. Blu
Brn
Grn/
Yel
Grn
Wht
Blk
CR2
Brn
Carb “B”
On/Off
Switch-3
Brn Brn
CR2
Brn
Circ “B”
On/Off
Switch-4
Brn Brn
Agitator
On/Off
Switch-5
Blk
Blk
Refrig
On/Off
Switch-6
Blk
Blk
IBC-1
PS-2
Blk Blk
Brn
Lt. Blu
R
Blk
Blk
Lt. Blu
Lt. Blu
Ribbed
Grn/Yel
Grn/
Yel
Carb “A” Motor
Low Press Relay
Carb “B” Motor
Low Press Relay
Carb “B” Motor
Circ “B” Motor
Agitator Motor
Refrig Comp
Motor Start
Relay
Primary I.B.C.
Failure Warning
Light