841890-UIM-B-0612
2
SECTION II: GENERAL INFORMATION
This instruction covers the installation of the following coils with 80+ or
90+ AFUE furnaces or MA/MX/MV air moving systems.
The coils have sweat connect fittings. All coils are shipped with a low
psi nitrogen holding charge.
INSPECTION
As soon as a coil is received, it should be inspected for possible dam-
age during transit. If damage is evident, the extent of the damage
should be noted on the carrier’s delivery receipt. A separate request for
inspection by the carrier’s agent should be made in writing. See Local
Distributor for more information. Check drain pan for cracks or break-
age.
CLEARANCES
DURING INSTALLATION
Clearance must be provided for:
1.
Refrigerant piping and connections
2.
Maintenance and servicing access - including cleaning the coil
3.
Condensate drain line
4.
Filter removal / change
5.
Removal of coil assembly
FIGURE 1:
Component Location - Coil MC & FC
Coil Access
Panel
Suction Line
Connection
Liquid Line
Connection
Alternate Drain Location
Label
Location
Drain Location
Horizontal Application
(on MC Coils Only)
Primary Drain
Secondary Drain
Bottom Door Panel
FIGURE 2:
Component Location - Coil PC
Label Location
Coil Access
Panel
Primary Drain
Secondary Drain
Bottom Door Panel
Alternate Drain Locations
Suction Line
Connection
Liquid Line
Connection
TABLE 1:
Dimensions - MC Coils
Models
Dimensions
1
1. All dimensions are in inches.
Refrigerant
Connections
2
2. Refrigerant line sizes may require larger lines for extended line lengths. See York bulletin #690.01-AD1V for details.
Height
Width
Opening Widths
Line Size
A
B
C
D
Liquid
Vapor
MC18A
22
14 1/2
13 3/8
13 1/2
3/8
3/4
MC18B
22
17 1/2
16 3/8
16 1/2
MC24A
26 1/2
14 1/2
13 3/8
13 1/2
MC24B
26 1/2
17 1/2
16 3/8
16 1/2
MC30A
26 1/2
14 1/2
13 3/8
13 1/2
MC30B
26 1/2
17 1/2
16 3/8
16 1/2
MC32A
22
14 1/2
13 3/8
13 1/2
MC35B
22
17 1/2
16 3/8
16 1/2
MC35C
22
21
19 7/8
20
MC36A
26 1/2
14 1/2
13 3/8
13 1/2
7/8
MC36B
26 1/2
17 1/2
16 3/8
16 1/2
MC36C
26 1/2
21
19 7/8
20
MC37A
26 1/2
14 1/2
13 3/8
13 1/2
3/4
MC42B
32
17 1/2
16 3/8
16 1/2
7/8
MC42C
32
21
19 7/8
20
MC43B
26 1/2
17 1/2
16 3/8
16 1/2
MC43C
26 1/2
21
19 7/8
20
MC48C
32
21
19 7/8
20
MC48D
32
24 1/2
23 3/8
23 1/2
MC60D
32
24 1/2
23 3/8
23 1/2
MC62D
36
24 1/2
23 3/8
23 1/2
20
3/8”
(Opening)
B
C
3/4” Flange
A
21 1/2”
BOTTOM
OPENING
DIMENSIONS
D
20 1/4”