Figure 2.22 Wiring: Unit Wiring Diagram - Bard W48A2PQ Installation And Service Instructions Manual

Blower Speed Plug
1 2 3 4 5
84
45
Pink
COMP. RELAY
23
Black/Green
COM
52
NO NC
Pink
50
Analog Ground
Terminal
26
98 White
96
74
53
98
Mixed Air
96 Sensor
95
Outdoor temp
and humidity sensor
OAH
OAT
93
92
30 Dirty Filter Switch
Orange/Black
47
Low Pressure Switch
51
Orange
101
Evap. Temp.
Sensor
89
Digital Ground
52 Terminal
75
90
Blk/Grn
51
Air Flow Switch
91
Orange
81
44 45
41
102
40
103
HP
Manual 2100-642
Page 56 of 82
FIGURE 2.22
Unit Wiring Diagram
Black/White
Red/White
81
Black/White
38
1
46
Black
Red
58
Black
46
L3 L2 L1
Phase Monitor
81
Black/White
C Y
Yout
81
127 Yellow
Yellow/Black
81
Black/White
Black/Red
White
Black/Red
Pink
97
White
48
83
54
111
Black
Red
Programmable Logic Control
47
106
99
57
84
100
Yellow
37
40
Red/White
26
48
26
46
Black
Black
47
46
Red
58
Red
58
81
Red
Yellow/Red
Auxiliary
NC Contact
140
Black/White
Black/White
55
79
Black/White
81
137
Treminal
2
42 Block
Outdoor Fan Capacitor
Yellow/Black
Yellow
Red/White
Blower Power Plug
C L G N
43
86 2
88
87 85
40
40
Red/White
Treminal
Block
137
17 Brown
64
112 60
79
62
59
Yellow
112
58
114
230 575
136
HEATER
CONTACTOR #1
41
Black
TRANSFORMER
114
Black
139
BLACK
81
100
Black/Red
76 49 50 47 92 53 93 73 95 97
40
54
112 113 106 115
35
111 111
109 110
57
119 119
White
82
Black
127
122
Red/White
Red/Wht
64
Brown
Brown
64
Black/Green
59
Yellow
69
Black
67
Red
Yellow
68
Yellow
Red
Blk/Wht
Black
Black
56
Compressor 14
L1 L2 L3
Contactor
Black
Black
Low Ambient Control (opt.)
T1
T2 T3
Compressor
21
Red L1
21
Yellow L3 L2
Black
21
Red (50 hz only)(Low),
71
Black (High) where
applicable
Yellow
Outdoor
Fan Motor
Brown
Black
Black
Red
Black
Red
4
(2) Line
Thermal
5
Cutoffs
1
9kw
Heat Strip
#2
(2) Line
Thermal
Limit
Cutoffs 6
Switch
6kw
Heat Strip
#1
3
64 63
63
Brown
Yellow
Black/White
Red
105
Black
61
108
107 Red Red
109
Black Black
Yellow
104
HEATER 14
14
139
CONTACTOR #2
L1
Fuse 11
L3
138
Block
77
Toggle Disconnect
78
L1
RED
66
67
L2
65
69
L3
Yellow
70
68
Terminal
10
Damper Actuator Motor
2....10 Vdc
+
2....10 Vdc
+
24 Vac/Vdc
1 2 3 5
Com + Y U
VENT
39
PLUG
81
82
83
Damper Blade Switch
76 80
NC
NO
79
74 78
75
73 77
DBS/RAS
72 91 Return Air
PLUG
Sensor
Male Side
Female
Side
78
77
55
55
COMPRESSOR
CRANK CASE
HEATER
FOR 208 OPERATION MOVE
THIS RED WIRETO 208 VOLT
1
TRANSFORMER TAP
Factory
Field Optional
High Voltage
Low Voltage
D-10VDC
4207-400
110