4100C322
Heat Strip #1
Composite Wiring Diagram QH Series 3
460-60-3, Represents Max. KW Electric Heat
R
Red/White
C
L
Black/White
9
A
L3
Emergency
Heat Relay
Blue
Red
Blue
Black
Red
Yellow
Red
L3
Black/White
Yellow
10
Black
11
12
91
Red
90
96
98
55
Yellow
98
Line 3
97
Line 2
96
Line 1
63
33
Ground
31
52 Lug
Yellow
89
Red/Yellow
4
Purple/White
5
Orange
24
Brown/White
6
Black
Red
Green
Yellow
8
Red/Yellow
Orange
Orange
7
460-60-3
Per Nameplate
Rotary Disconnect
Red
93
L2 L1
97
Blk/Whte
92
Freeze
Protect Tstat
Bard Part #8408-038
Red/White
59
L2 L1
92
94
Dehumidification Wiring
Black/White
T3 T2 T1
59
Grn
3
4
T3 T2 T1
B
3 Plug #4
Plug #4
2
3
9
4102-066 B
1
6
Heater
Contactor
#2
To Power Source
Brown
7
Heater
Contactor
#1
Black
W2
88
Brown
1
2
3
4
5
6
7
8
101 99
Red
Orange
Yellow
Blue
1
100
Brown
A
G
Y1
B
Limit
Switch
102
Brown
Black/White
D/YO
87
Black
Red/Yellow
Purple/White
1
86 95
Red/White
Red/White
8403-060 4
Thermostat
W1/E
Remove jumper when Low Amb. Bypass is
H installed.
Brown/White
6
Install jumper for hi speed blower oper. on
F models 36, 42, 48, and 60.
Option
Black/White
CO Controller
"I" Thermostat
Bard Part #8403-067
HOT
2
1
24 VAC
2
COM
3
Analog
Out
4
1
5
Limit
Switch
Blue
E Move Red wire to 208V tap for 208V operation.
2
3
1
Blue
Labeled wires connect if no
options used.
D
Limit
Switch
3
Red
C
Low Voltage
3
1
Black
B
Limit
Switch
3
4100C322
A
Yellow
Yellow
Optional
Field
High Voltage
Yellow
USE COPPER CONDUCTORS *ELECTRICAL SHOCK HAZARD
ONLY SUITABLE FOR AT LEAST *DISCONNECT POWER BEFORE
75° C.
SERVICING.
Bard Mfg. Co.
Bryan, Ohio
Factory
Heat Strip #2
Red
DANGER
!
Red
WARNING
!
Blue
9
Brown
10
Red/White
56
5
4
3
2
1
29
G
11
Black/White
12
Indoor Blower Motor
15 14 12 10 9
23
6
3
2
1
L1
4102-063
W2
R
C
L 8403-060
Thermostat
Green
67
Red
1
Low Ambient
Bypass (Opt.)
17
6
4
Blk
T1
Yellow
Black
13
12
Low Ambient
Control (Opt.)
12
R
Black
S
Outdoor Fan Motor
Terminal
Block #5
C
Compressor
28
LC
L1
L0
11
12
Black
H
7
T3
T2
35
Yellow
Black/White
Tan
T1
T2
Terminal
Block #3
10
9
Terminal
Block #4
Brown
5
45
47
Outdoor Fan
Capacitor
2
8
Yellow
High
Press.
Switch
Low Pressure
Switch
46
42
42
S
S
Defrost
Sensor
44
39
76
C RV TWV
3 Way Valve
Reversing
Valve
79
Red
3
1
2
3
83
Fuse
Block
27
Black/White
7
11
12
69
COM
Ground
9
10
Yellow
Red
Black
57
Purple/White
C
37
Plug #4
1
2
3
4
5
6
Black
Red
Black
36
Upper Control Panel
64
Black
Red
Red/White
30
SENSOR
TERM SPEED
TEMP
UP
30 60 90
R. Vent Opt. Only
32
SEN
JMP
B1
L1
B2
Gnd
L2
Terminal
Block #6
Terminal
Block #7
73
10
460
230
Transformer #2
Lower Control Panel
68
L1 L2 L3
40
C
Grn
10
460V
C
Defrost Control
51
Black
R
L1
27
66
26
Transformer 60
L
CC
11
Black/White
6
5
Red/White
E
Red/Yellow
4
Purple/White
O1 Brown/White
G
Orange
Yellow
Y
Y1
Blue
B
W1
W2
Brown
Red/White
R
C
Black/White
L Low Voltage
Term. Block
Red
Orange
Orange
Red/Yellow
Blk/Whte
Brown
Brown
Blue
Yel/Blk
Yo Y C
Black
36
Condenser Section
Aux
R
C
8403-058
L TH5220D1151
Rc Thermostat
41
RV
Y
29
Red
G
Y
A
G
Y1
W1
O/B
Phase
Monitor
72
L2
58
Black
D/YO
7
8
9
34
B
Black
W1/E
2
Black
W2
2 1
COM
Black
E
3
56
NC
Tan
4
5
6
12
H200
Humidistat
1
R
Black/White
5
LO
R
Black
Black/White
T3
Black
C
9
10 4102-064
11
6
12
T2
Blue
8
T1
50
78
80
Yellow/Red
Blue
R
Yellow
Blue
Brown
Red/White
W2
3
O/B
Factory
Installed
Jumper
Y1
L3
Blue
"X"
Thermostat
Option
Orange
70
Outdoor Motor Relay 82
4
Brown/White
G
O/B
Blue
R
C
L
4102-079
A
Red/Yellow
Purple/White
L2
Blue/Black
Brown
Red/White
Black/White
D/YO
48
Yellow
Black/White
W2
W1/E
27
Red/White
Red/Yellow
Purple/White
Brown/White
Orange
Yellow
1
2
3
Black
D
A
SC
G
Y1
SC
B
SC
Temp. and Humidity
Controller
PART #8403-060
Black
W1/E
1
2
3
4
5
6
7
59 Comp. Contactor
L1
77
Yellow/Red
Pink
38
"J" "K" Thermostat Option "E" Thermostat Option Plug #4
Plug #4
Black
Purple
49
81
"J" CS9BE-THO"
K" CS9BE-THOC
63
L
Red
Pressure Lockout
61 Indicator
C
Red
43 F
R
Black
4102-067 A
W2
Blue
Relay Logic Board
B
Blue
Black/White
Y
G2
Red/Black
C
G
11
Terminal
Block #2
Black
Return Air
Thermostat
R
Orange
3
B
Red
2
33
Blue/Red
Red/White
12
L3
31
Red
Y
11
Yellow
D
Red/White
Pink
Blue
RAT
10
Black
G
9
Brown
Yellow
A2
3
Red
YO
Black/White
Black
A1
W2
8
Blue
2
Red/White
Blk/Whte
Blk/Whte
TWV
Yellow
Red
W
7
Yellow
Black/White
Yellow
BK
1
Brown/White
Yellow/Red
Orange
Purple/White
Pink
RV
5
6
Blk/Whte
Brown/White
25
Plug #3
Blk/Whte
Blk/Whte
E1
3
4
5
6
7
8
9
10
11
12
Red/Whte
Purple/White
G1
4
Brown
L
Brown
3
Red/Yellow
E1
1
2
Blue
L
2
Blue
Black
Yellow
1
Red/Whte
L2
24
Plug #2
Purple/White
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