Product data

12
LEGEND
*Standard unit fitted with optional electric heating elements. Available
with 208/220/230-v model units only.
Typical wiring schematic
NOTE: Refer to Installation and Operation manual for
wiring schematic.
42WKN
NOMINAL CAPACITY
(Digit 4,5)
SUPPLY VOLTAGE
(Digit 6)
PERFORMANCE (WITH ELECTRIC HEAT)* PERFORMANCE (NO ELECTRIC HEAT)
FLA MCA
Recommended
Fuse Size
FLA MCA
Recommended
Fuse Size
08 and 12
Small Chassis
A: 115-60-1
—— — 0.700.88 15
J: 110-50-1
B: 208-60-1 6.25 7.8115
0.35 0.44 15
C: 230-60-1 6.87 8.59 15
K: 220-50-1 6.59 8.24 15
H: 277-60-1 — — — 0.29 0.36 15
18 and 20
Medium Chassis
A: 115-60-1
— — — 1.10 1.38 15
J: 110-50-1
B: 208-60-1 12.35 15.44 20
0.55 0.69 15
C: 230-60-1 13.59 16.99 20
K: 220-50-1 13.03 16.29 20
H: 277-60-1 — — — 0.46 0.58 15
33 and 36
Large Chassis
A: 115-60-1
— -— -— 1.92 2.40 15
J: 110-50-1
B: 208-60-1 20.68 25.8530
0.96 1.20 15
C: 230-60-1 22.76 28.45 30
K: 220-50-1 21.81 27.26 30
H: 277-60-1 —— — 0.801.00 15
FLA — Full Load Amps
MCA — Minimum Circuit Amps
Electrical data