Carrier 42C Series User Manual

107
NOTES:
1. Units are fabricated of galvanized steel with a 16-gage galvanized fan deck.
2. All risers are insulated with (
1
/
2
-in. or
3
/
4
-in. thick) closed cell insulation.
3. Thermostat shipped loose for field installation when ordered with the unit.
4. Risers are piped to coil with valve package as specified.
5. Blower, motor, coil, valves, and filter are accessible through the return air opening.
6. Unit and control box are insulated.
7. Riser length = [(floor to floor) +2 in.], maximum riser length = 119 inches.
8. Maximum riser size is 2
1
/
2
-in. diameter. If larger size is required, please consult the factory.
9. Expansion loops in hot water heating circuits as required.
10. Drawing is pictorial (see unit arrangements for actual supply and return air orientation).
11. Dimensions are in inches. Dimensions in () are in millimeters.
12. A 9-in. x 2
1
/
4
-in. slot is provided in the inside back panel for coil connection penetration to permit expansion
and contraction of riser. Care must be taken to position the riser so that coil connection is at center of slot.
42SJA/42SJB FURRED-IN STACK BACK TO BACK UNIT
UNIT
MODEL
SINGLE SUPPLY DOUBLE SUPPLY TOP SUPPLY DIMENSIONS - INCHES
FILTER SIZE
A B SIZE A B SIZE C D SIZE E G H I J
42SJA03 14 8 14 X 8 14 6 14 X 6 14 10 14 x 10 17 1
1
/
2²
1
1
/
2²
14 39
5
/
8
12
1
/
2
X 24
¹
/
4
X 1
42SJA04 14 12 14 X12 14 6 14 X 6 14 10 14 x 10 17 1
1
/
2²
1
1
/
2
14 39
5
/
8
12
1
/
2
X 24
¹
/
4
X 1
42SJA06 18 10 18 X10 18 6 18 X 6 16 12 16 x 12 20 1 2 18 45
5
/
8
16
¹
/
4
X 26
3
/
4
X 1
42SJA08 18 12 18 X 12 18 6 18 X 6 16 12 16 x 12 20 1 2 18 45
5
/
8
16
¹
/
4
X 26
3
/
4
X 1
42SJA10 — — — 22 8 22 X 8 18 16 18 x 16 24 1 3 22 53
5
/
8
20
1
/
2
X 29
¹
/
4
X 1
42SJA12 — — — 22 8 22 X 8 18 16 18 x 16 24 1 3 22 53
5
/
8
20
1
/
2
X 29
¹
/
4
X 1
ITEM DESCRIPTION QTY
1 Electrical Knockouts
6
2
Gypsum Board
5
/
8
” Type X
1
3 3-in. Expanded Section of Riser 3/5
4 Strip Heater (Optional) 2
5 Limit Switch (Optional) 2
6
1
/
2
-in. Isolation Ball Valve 2/4
7 Thermafiber Insulation —
8 Flexible Drain Tube/P-Trap 2
9
Coil
1
/
2
-in. OD Copper Tube
2
10 Filter, Throwaway, 1-in. 2
11 Return Air Opening 2
12 Air Vent, Manual 2
13
Knockout (For Optional Remote Mounting)/
Side
2
14 Molex Connector for Field-Installed Tstat 2
15 Control Box 2
16 Riser, Drain (Copper) 1
17
Riser, Supply and Return (Copper) 2/4
18 Drain Pan 2
19 Acoustical Bypass Panel 2
20 Blower 2
21 Motor, 3-Speed, PSC, with Quick Connect 2
22
Access Panel (Control Box) 2
23 Control Opening (Surface Mount Tstat) 2
24
Duct Collar,
1
/
2
-in. Extension (Typical)
1/2/3
25 Supply Air Opening(s) 1/2/3
26
Top Supply Duct Collar, 1-in. Extension
(Optional)
1
LEGEND
CR — Cold Water Return
CS — Cold Water Supply
D —Drain
HR — Hot Water Return
HS — Hot Water Supply
R — Return
S — Supply
a42-4189
42S Series Units

Carrier 42C Series Specifications

General

Brand	Carrier
Model	42C Series
Category	Air Conditioner
Language	English