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ENVISION SERIES AIR HANDLER INSTALLATION MANUAL
Electrical Data
Low Voltage Point to Point Wiring
To Air
Handler
From
Thermostat
To Compressor
Section
CC C
RR R
GG
OO O
Y1 Y1 Y1
Y2 Y2 Y2
WW2
LL
Air Handler transformer must be 75VA. 5/29/08
Model
Electric Heat
Capacity
Supply
Circuit
Aux. Heat
Minimum
CFM
Rated Voltage
Voltage
Min/Max
Fan Motor
FLA
Heater
Ampacity
Total Unit FLA
Minimum Circuit
Ampacity
Maximum Fuse/
HACR
KW BTUH
240v 240v 208v 240v
208v 240v 208v 240v 208v 240v
NAH 022
00 -
208-230/60/1 197/253
4.0 - - 4.0 4.0 5.0 5.0 10 10
4.8 16,382 single 740 4.0 17.3 20.0 21.3 24.0 26.6 30.0 30 30
NAH 026
0 0 - 4.0 - - 4.0 4.0 5.0 5.0 10 10
4.8 16,382 single 740 4.0 17.3 20.0 21.3 24.0 26.6 30.0 30 30
NAH 030
0 0 - 4.0 - - 4.0 4.0 5.0 5.0 10 10
4.8 16,382 single 740 4.0 17.3 20.0 21.3 24.0 26.6 30.0 30 30
9.6 32,765 single 900 4.0 34.7 40.0 38.7 44.0 48.4 55.0 50 60
NAH 036
0 0 - 4.0 - - 4.0 4.0 5.0 5.0 10 10
4.8 16,382 single 740 4.0 17.3 20.0 21.3 24.0 26.6 30.0 30 30
9.6 32,765 single 900 4.0 34.7 40.0 38.7 44.0 48.4 55.0 50 60
NAH 042
0 0 - 7.0 - - 7.0 7.0 8.8 8.8 15 15
9.6 32,765 single 900 7.0 34.7 40.0 41.7 47.0 52.1 58.8 60 60
14.4 49,147 single
1,275
7.0 52.0 60.0 59.0 67.0 73.8 83.8 80 90
14.4 49,147
L1/L2 7.0 34.7 40.0 41.7 47.0 52.1 58.8 60 60
L3/L4 - 17.3 20.0 17.3 20.0 21.6 25.0 25 25
NAH 048
0 0 - 7.0 - - 7.0 7.0 8.8 8.8 15 15
9.6 32,765 single 900 7.0 34.7 40.0 41.7 47.0 52.1 58.8 60 60
14.4 49,147 single
1,275
7.0 52.0 60.0 59.0 67.0 73.8 83.8 80 90
14.4 49,147
L1/L2 7.0 34.7 40.0 41.7 47.0 52.1 58.8 60 60
L3/L4 - 17.3 20.0 17.3 20.0 21.6 25.0 25 25
NAH 060
0 0 - 7.0 - - 7.0 7.0 8.8 8.8 15 15
9.6 32,765 single 900 7.0 34.7 40.0 41.7 47.0 52.1 58.8 60 60
14.4 49,147 single
1,275
7.0 52.0 60.0 59.0 67.0 73.8 83.8 80 90
14.4 49,147
L1/L2 7.0 34.7 40.0 41.7 47.0 52.1 58.8 60 60
L3/L4 - 17.3 20.0 17.3 20.0 21.6 25.0 25 25
19.2 65,530 single
1,700
7.0 69.3 80.0 76.3 87.0 95.4 108.8 100 110
19.2 65,530
L1/L2 7.0 34.7 40.0 41.7 47.0 52.1 58.8 60 60
L3/L4 - 34.7 40.0 34.7 40.0 43.4 50.0 50 50
7/ 1 1/ 08
Rated Voltage of 208/230/60/1
HACR circuit breaker in USA only