Carrier 42S, 42C, 42D, 42V specifications A42-4127

LEGEND

CR — Cold Water Return

CS — Cold Water Supply

D — Drain

HR — Hot Water Return

HS — Hot Water Supply

R — Return

S — Supply

ITEM	DESCRIPTION	QTY
1	Electrical Knockouts	2
2	Gypsum Board, 5/8-in. Type “X”	1
3	3-in. Expanded Section	3/5
4	Strip Heater**(Optional)	2
5	Limit Switch**†† (Optional)	2
6	1/2-in. Isolation Ball Valves**	4/8
7	Thermafiber Insulation	2
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)	2
14	Molex Connector for Field Installed Stat	2
15	Control Box	2
16	Riser, Drain (Copper)	1
17	Riser, Supply and Return (Copper)	2/4
18	Drain Pan	2
19	Return Air Blockoff Panel (Optional)	1
20	Blower	2
21	Motor, 3-Speed, PSC, with Quick Connect	2
22	Access Panel (Control Box)	2
23	Control Opening (Surface Mount Stat)	2
24	Duct Collar, 1/2-in. Extension (Typical)	1/2/3
25	Supply Air Opening(s)	1/2/3

**Factory-Installed. ††Field-Installed.

*Drawing provided for reference only. Dimensions may vary with options ordered.

NOTES:

1.	Units are fabricated of 18-gage galvanized steel with a 16-gage galvanized fan deck.
2.	All risers are insulated with 1/2-in. closed cell insulation.	A42-4127
3.	Thermostats shipped loose for field connection.

4.Risers are piped to coil with valves as specified.

5.Blower, motor, valves, coil, and filter are accessible through the return air opening.

6.Unit and control box are insulated with 1/2-in. coated fiberglass insulation.

7.Riser length = [(floor to floor) +2 in.], maximum riser length = 115 inches.

8.Maximum riser size is 21/2-in. diameter. If larger sizes are required, please consult the factory.

9.Expansion loops in hot water heating circuits as required.

10.A 9-in. x 21/4-in. slot is provided in the inside back panel for coil connection penetration to permit expansion and contraction of risers. Care must be taken to position the risers so that coil connection is at center of slot.

11.Drawing is pictorial (see unit arrangements for actual supply and return air orientation).

12.All dimensions are in inches.

UNIT	NOM					DIMENSIONS (in.)							UNIT
SIZE	AIRFLOW	Single Supply		Double Supply		Top Supply		E	G	H	I	J	WEIGHT†
	(cfm)	A	B	A	B	C	D						(lb)
03	300	14	8	14	6	14	10	17	11/2	11/2	14	401/4	360
04	400	14	12	14	6	14	10	17	11/2	11/2	14	401/4	450
06	600	18	10	18	6	16	12	20	1	2	18	461/4	480
08	800	18	12	18	6	16	12	20	1	2	18	461/4	520
10	1000	—	—	22	8	18	16	24	1	3	22	541/4	560
12	1200	—	—	22	8	18	16	24	1	3	22	541/4	610

†Unit weights are based on dry coils and minimum rows. Weights exclude packaging, valves, and other components.

Fig. 30 — 42SJ Back-to-Back Furred-In Stack Dimensions

33