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*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.
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 2
1
/
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 2
1
/
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 weights are based on dry coils and minimum rows. Weights exclude packaging, valves, and other components.
UNIT
SIZE
NOM
AIRFLOW
(cfm)
DIMENSIONS (in.)
UNIT
WEIGHT†
(lb)
Single Supply Double Supply Top Supply
EGH I
ABA BCD
03 300 14 8 14 6 14 10 17 1
1
/
2
1
1
/
2
14 180
04 400 14 12 14 6 14 10 17 1
1
/
2
1
1
/
2
14 225
06 600 18 10 18 6 16 12 20 1 2 18 240
08 800 18 12 18 6 16 12 20 1 2 18 260
10 1000 — — 22 8 18 16 24 1 3 22 280
12 1200 — — 22 8 18 16 24 1 3 22 305
A42-4125
LEGEND
CR — Cold Water Return
CS — Cold Water Supply
D—Drain
HR — Hot Water Return
HS — Hot Water Supply
R—Return
S—Supply
**Factory-Installed.
††Field-Installed.
ITEM DESCRIPTION QTY
1 Electrical Knockouts 1
2 3-in. Expanded Section 3/5
3 Strip Heater (Optional) 1
4 Limit Switch**†† (Optional) 1
5
1
/
2
-in. Isolation Ball Valves**
2/4
6 Flexible Drain Tube/P-Trap 1
7 Coil
1
/
2
-in. OD Copper Tube
1
8 Filter, Throwaway, 1-in.** 1
9 Return Air Opening 1
10 Air Vent, Manual 1
11 Molex Connector for Field-Installed Stat 1
12 Control Box 1
13 Knockout (For Optional Remote Mounting) 2
14 Riser, Supply and Return (Copper) 2/4
15 Riser, Drain (Copper) 1
16 Drain Pan 1
17 Return Air Blockoff Panel (Optional) 1
18 Blower 1
19 Motor, 3-Speed, PSC, with Quick Connect 1
20 Access Panel (Control Box) 1
21 Control Opening (Surface Mount Stat) 1
22 Duct Collar,
1
/
2
-in. Extension (Typical)
1/2/3
23 Supply Air Opening(s) 1/2/3
Fig. 28 — 42SG Furred-In Stack Dimensions