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Table ED-2 — Unit Wiring With Electric Heat (Single Point Connection) — 208/230 Volts Single and Three Phase
Standard Indoor Motor Oversize Indoor Motor
To Use Heater Heater Control Max Fuse Size or Max Fuse Size or
Tons With Model No. KW Rating
1
Stages MCA Max Circuit Breaker
2
MCA Max Circuit Breaker
2
208/230 Volts Single Phase
BAYHTRR105A 3.8/5.0 1 48.8/52.2 60/60 51.2/54.6 60/60
3 WSC036A1 BAYHTRR110A 7.5/10.0 2 71.3/78.3 80/80 73.7/80.7 80/90
BAYHTRR114A 10.4/13.8 2 88.4/98.1 90/100 90.8/100.5 100/110
BAYHTRR105A 3.8/5.0 1 62.4/65.7 80/80 64.5/67.8 80/80
4 WSC048A1 BAYHTRR110A 7.5/10.0 2 84.9/91.9 100/100 87.0/94.0 100/110
BAYHTRR114A 10.4/13.8 2 102.0/111.6 110/125 104.1/113.7 110/125
BAYHTRR118A 13.2/17.6 2 119.2/131.4 125/150 121.3/133.5 125/150
BAYHTRR105A 3.8/5.0 1 71.3/74.7 90/100 73.0/76.4 100/100
5 WSC060A1 BAYHTRR110A 7.5/10.0 2 93.8/100.8 110/110 95.5/102.5 110/110
BAYHTRR114A 10.4/13.8 2 111.0/120.6 125/125 112.7/122.3 125/125
BAYHTRR118A 13.2/17.6 2 128.2/140.3 150/150 129.9/142.0 150/150
208/230 Volts Three Phase
BAYHTRR306A 4.5/6.0 1 34.7/37.1 40/45 37.1/39.5 45/45
3 WSC036A3 BAYHTRR312A 9.0/12.0 2 50.3/55.2 60/60 52.7/57.6 60/60
BAYHTRR318A 13.1/17.4 2 64.4/71.4 70/80 66.8/73.8 70/80
BAYHTRR306A 4.5/6.0 1 40.0/42.4 50/50 42.1/44.5 50/50
4 WSC048A3 BAYHTRR312A 9.0/12.0 2 55.6/60.5 60/70 57.7/62.6 60/70
BAYHTRR318A 13.1/17.4 2 69.7/76.7 70/80 71.8/78.8 80/80
BAYHTRR306A 4.5/6.0 1 48.2/50.6 60/60 49.9/52.3 60/60
5 WSC060A3 BAYHTRR312A 9.0/12.0 2 63.8/68.7 70/80 65.5/70.4 70/80
BAYHTRR318A 13.1/17.4 2 78.0/85.0 80/90 79.7/86.7 80/90
BAYHTRR323A 17.3/23.0 2 92.6/101.7 100/110 94.3/103.4 100/110
BAYHTRS309A 6.8/9.0 1 55.7/59.3 60/60 57.0/60.6 60/70
6 WSC072A3 BAYHTRS318A 13.5/18.0 1 79.0/86.3 80/90 80.3/87.6 90/90
BAYHTRS327A 20.3/27.0 2 102.5/113.4 110/125 103.8/114.7 110/125
BAYHTRS336A 27.0/36.0 2 126.0/140.4 150/150 127.3/141.7 150/150
BAYHTRS309A 6.8/9.0 1 64.9/68.5 80/90 69.3/72.9 90/90
7½ WSC090A3 BAYHTRS318A 13.5/18.0 1 88.3/95.5 100/100 92.7/99.9 100/100
BAYHTRS327A 20.3/27.0 2 111.8/122.7 125125 116.2/127.1 125/150
BAYHTRS336A 27.0/36.0 2 135.8/149.7 150/150 139.7/154.1 150/175
BAYHTRT318A 13.5/18.0 1 97.3/104.6 100/110 104.4/111.7 110/125
10 WSC120A3 BAYHTRT327A 20.3/27.0 2 120.8/131.7 125/150 127.9/138.8 150/150
BAYHTRT336A 27.0/36.0 2 144.3/158.7 150/175 151.4/165.8 175/175
BAYHTRT354A 40.6/54.0 2 191.2/180.3 200/200 198.3/187.4 200/200
Notes:
1. Heater kw ratings are at 208/240 for 208/230V unit
2. HACR type circuit breaker per NEC.