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Table ED-3 — Unit Wiring With Electric Heat (Single Point Connection, Continued)
To Use
Heater
Tons
With
Model No.
AYDHTRK418A
WCD150B4
AYDHTRK436A
AYDHTRK454A
12½
AYHHTRP418A
WCH150B4
AYHHTRP436A
AYHHTRP454A
AYDHTRK418A
WCD180B4
AYDHTRK436A
AYDHTRK454A
15
AYHHTRP418A
WCH180B4
AYHHTRP436A
AYHHTRP454A
AYDHTRL436A
WCD240B4
AYDHTRL454A
AYDHTRK472A
20
AYHHTRN436A
WCH240B4
AYHHTRN454A
AYHHTRN472A
Notes:
1. Heater kw ratings are at 480V for 460V unit
2. HACR type circuit breaker per NEC.
PKGP-PRC001-EN
Electrical
Data
Heater
Control
1
KW Rating
Stages
MCA
460 Volts Three Phase
18.0
1
58
36.0
2
85
54.0
2
112
18.0
1
58
36.0
2
85
54.0
2
112
18.0
1
66
36.0
2
93
54.0
2
120
18.0
1
66
36.0
2
93
54.0
2
120
36.0
2
104
54.0
2
131
72.0
2
158
36.0
2
104
54.0
2
131
72.0
2
158
Standard Indoor Motor
Max Fuse Size or
2
Max Circuit Breaker
60
90
125
115
60
90
125
115
70
100
125
123
70
100
125
123
110
107
150
134
175
161
110
107
150
134
175
161
Oversize Indoor Motor
Max Fuse Size or
2
MCA
Max Circuit Breaker
61
70
88
90
125
61
70
88
90
125
69
70
96
100
125
69
70
96
100
125
110
150
175
110
150
175
29
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