Manual 2100-647
Page
28 of 28
FIGURE 9
H***A Low Voltage Ladder Diagram for Unit and MV Connections
Low Voltage
Terminal Strip
3
2
10
11
6
20
9
16
17
18
12
13
21
4
19
1
5
7
Hot
Common
8
14
15
Filter Light
Filter
Switch
Filter Reset Button
R on
Compressor
Control Module
Filter
Relay
Pin 6 on Heater Plug
Pin 3 on Heater Plug
Pin 1 on Heater Plug
Blower Relay
Alarm Relay
Transformer 24VAC
Hi Press. Sw.
Pin 8 on Vent Plug
Pin 1 on Vent Plug
Pin 2 on Vent Plug
Pin 5 on Vent Plug
Pin 7 on Vent Plug
Pin 10 on Vent Plug
Time Delay Relay
T1
T2
Y
HPC
Lo Press. Sw.
LPC
LPC
Alarm Relay
ALR
CC
Comp. Control Module
R
MV
Controller
C
4
5
W
G
L3
L2
8
9
Y
A
F
Y1
Y2
EE
DR
Pin 6 on Vent Plug
Pin 9 on Vent Plug
Pin 12 on V. Plug
Compressor
Contactor
COM
NC
5
4
2
1
3
5
4
1
3
Low Voltage
Ladder Diagram
for Unit and MV
Connections
Blk/Wht
Red/Wht
Blue/Blk
Blue/Blk
Blue
Brown
Orange
Black
Red
Blue
Red/Blk
Red/Blk
Yel/Blk
Red/Blue
Yellow
Yellow
Blue/Wht
Purple
Pink
Yel/Red
Brown/Wht
Blk/Wht
Blk/Wht
Org/Blk
Red/Wht
Org/Blk
Pink
Bk/Wh
Blue
Blue
Red
Red
Rd/W
Bk/W
MIS-3712
