Technical Guide

253461-YTG-P-0513
2 Johnson Controls Unitary Products
DIMENSIONS - (BLOWER WITH MC COILS)
NOTE: Power wiring may be brought into the unit through one of the knockouts in either the top or the left side panel. Multiple knockouts are provided to accommodate all
of the electric heat and transformer accessories that are available. Use the knockouts that provide the best wire routing for the accessory being used.
DIMENSIONS
Models
Dimensions Wiring K.O.’s
1
1. Parenthesis indicate conduit size.
Refrigerant
Connections
AB C
DE
J K Line Size
Height Width Total Height Power Control Liquid Vapor
MA08B 25 17-1/2
47 to 57
Depending
on combination
16-1/2 14-19/32
7/8 (1/2), 1-3/8(1)
1-23/32, (1-1/4)
1-31/32, (1-1/2)
7/8 (1/2)
––
MA12B
2
2. May be either 115-1-60, 208/230-1-60 or 460-3-60.
25 17-1/2 16-1/2 14-19/32 – –
MA14D 25 24-1/2 23-1/2 21-19/32 – –
MA16C
2
25 21 20 18-3/32 – –
MA20D
2
25 24-1/2 23-1/2 21-19/32 – –
MC18B3XC1 22 17.5 16.5 16 3/8 – – 3/8 3/4
MC24B3XC1 26.5 17.5 16.5 16 3/8 – – 3/8 3/4
MC30B3XC1 26.5 17.5 16.5 16 3/8 – – 3/8 3/4
MC35B3XC1 22 17.5 16.5 16 3/8 – – 3/8 3/4
MC35C3XC1 22 21 20 19 7/8 – – 3/8 3/4
MC36B3XC1 26.5 17.5 16.5 16 3/8 – – 3/8 7/8
MC36C3XC1 26.5 21 20 19 7/8 – – 3/8 7/8
MC42B3XC1 32 17.5 16.5 16 3/8 – – 3/8 7/8
MC42C3XC1 32 21 20 19 7/8 – – 3/8 7/8
MC43B3XC1 26.5 17.5 16.5 16 3/8 – – 3/8 7/8
MC43C3XC1 26.5 21 20 19 7/8 – – 3/8 7/8
MC48C3XC1 32 21 20 19 7/8 – – 3/8 7/8
MC48D3XC1 32 24.5 23.5 23 3/8 – – 3/8 7/8
MC60D3XC1 32 24.5 23.5 23 3/8 – – 3/8 7/8
MC62D3XC1 36 24.5 61 23.5 23 3/8 – – 3/8 7/8
All MC coils include a factory installed horizontal drain pan.
(3X) = Models require field installed metering device.
AIR HANDLER
MA / MV
COIL
MC
21.5”
B
A
C
(TOTAL HEIGHT)
E
20-3/8”
J
K
A
E
10-3/8”
10-3/8”
E
D
20-1/4”
D
20-1/2”
AIR HANDLER TOP (All Models)
AIR HANDLER BOTTOM OPENING
COIL BOTTOM OPENING