520413-BIM-A-0209
Johnson Controls Unitary Products
35
Table 19: Unit Connections
MODEL
NH-07
NH-10
NJ-10
NH-15
NJ-15
NH-20
NJ-20
SYSTEM DATA
No. Refrigeration Circuits
1
1
2
1
2
1
2
Suction Line OD (in.)
1 1/8
1 3/8
1 1/8
1 5/8
1 1/8
1 5/8
1 3/8
Liquid Line OD (in.)
5/8
7/8
5/8
7/8
5/8
7/8
7/8
Power Wiring Knockout
1
1
1
1
1
1
1
Control Wiring Knockout
7/8
7/8
7/8
7/8
7/8
7/8
7/8
Electric Heat Wiring Knockout
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
1 3/8
Drain Line Fitting PVC Stub
3/4
3/4
3/4
3/4
3/4
3/4
3/4
BLOWER OUTLET
1
1. 1 in. blower duct flange shipped with air handler.
Number
1
1
1
1
1
2
2
Width
13.4
15.9
15.9
18.9
18.9
15.9
15.9
Length
15.6
18.6
18.6
21.6
21.6
18.6
18.6
RETURN AIR INLET
Width
20.3
20.3
20.3
27.3
27.3
20.3
20.3
Length
53.4
53.4
53.4
71.9
71.9
95.9
95.9
