Figure 9 H**4 Low Voltage Diagram For Unit And Mv Connections - Bard H24A4-A Installation Instructions Manual

H**4 Low Voltage Ladder Diagram for Unit and MV Connections
Low Voltage
MV
Terminal Strip
Controller
C
R
4
5
W
G
L3
L2
8
9
Y
A
F
Y1
Y2
EE
DR
Manual 2100-639A
Page 28 of 28
FIGURE 9
Pin 6 on Vent Plug
Pin 9 on Vent Plug
R on
3
Compressor
Control Module
2
Red/Wht
10
Blue/Blk
11
Blue/Blk
6
Blue
Brown
20
Blower Relay
9
Orange
16
Black
17
Blue
18
Red
12
Red/Blk
Red/Blk
13
Pin 12 on V. Plug
21
Yel/Blk
19
Red/Blue
Comp. Control Module
Y
4
Yellow
LPC
1
Yellow
5
Blue/Wht
7
Purple
8
Pink
14
Yel/Red
15
Brown/Wht
Blk/Wht
Filter Red/Wht
Switch
Filter Reset Button
Org/Blk
Pin 6 on Heater Plug
Pin 3 on Heater Plug
Pin 1 on Heater Plug
Blk/Wht
NC COM
T2 T1
Time Delay Relay Transformer 24VAC
Hot
Hi Press. Sw. HPC
Red Red
LPC
Blue Blue
Lo 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
Filter Light
Rd/W Bk/W
1 3
Org/Blk
5
4
Filter
Relay
2 4
5
Alarm Relay
Blk/Wht
Common
Compressor
Contactor
CC
Bk/Wh
Alarm Relay
ALR
Pink
1 3
Low Voltage
Ladder Diagram
for Unit and MV
Connections
MIS-3712