Horizontal Airflow Arrangements Nc300; Minimum Clearances; Piping, Electrical And Duct Opening Connection Sizes - York R-410A Technical Manual

AIR
AIR

Horizontal Airflow Arrangements NC300

PIPING, ELECTRICAL AND DUCT OPENING CONNECTION SIZES

MODEL
SYSTEM DATA
No. Refrigeration Circuits
Suction Line OD (in.)
Liquid Line OD (in.)
Power Wiring Knockout
Control Wiring Knockout
Electric Heat Wiring Knockout
Drain Line Fitting PVC Stub
BLOWER OUTLET
Number
Width
Length
RETURN AIR INLET
Width
Length
1
7/8 In Steel pipe

Minimum Clearances

Minimum Clearances
Top with Supply Air Opening
Front with Return Air Opening
Right Side with access for Piping, Power &
Control Wiring Connections
Left Side
3
Rear
4
Bottom
1
This dimension will vary if an electric heater, a supply air
plenum or a base is used.
2
This dimension is required for normal installation and
service.
3
Although no clearance is required for service and
operation, some clearance may be required for routing
the power and control wiring.
4
Allow enough clearance to trap the condensate drain
line.
Note: If the coil has to be removed, the blower section
can be unbolted and set aside and the coil can be
lifted out the top of the evaporator section.
Johnson Controls Unitary Products
7
AIR
AIR
10
AIR
AIR
NC/NL090 NC/NL120 ND/NM120 NC/NL180 ND/NM180 NC/NL240 ND/NM240
1
1 1/8 1 3/8
5/8
1 3/4 1 3/4
1 1/8 1 1/8
1 3/4 1 3/4
3/4
1
13.4 15.9
15.6 18.6
20.5 20.5
52.0 52.0
1
24"
24"
24"
2
24"
N/A
N/A
8
11
1 2 1
1 1/8 1 5/8
7/8 5/8 7/8
1 3/4 1 3/4
1 1/8 1 1/8
1 3/4 1 3/4
3/4 3/4 3/4
1 1 1
15.9 18.9
18.6 21.6
20.5 27.3
52.0 71.9
505428-YTG-V-0417
9
AIR
12
AIR
2 1 2
1 3/8 1 5/8 1 3/8
5/8 7/8 7/8
1 3/4 1 3/4 1 3/4
1 1/8 1 1/8 1 1/8
1 3/4 1 3/4 1 3/4
3/4 3/4 3/4
1 2 2
18.9 15.9 15.9
21.6 18.6 18.6
27.3 19.2 19.2
71.9 93.4 93.4
NC300
1
2 1/8
7/8
7/8
1 1/8
7/8
1
7/8
2
22
22
33.2
95.6
107