EGHB Industrial Suspended Unit Heater
An image shows the Reznor EGHB industrial suspended unit heater, a rectangular metal casing with louvres on the front.
Features
Color
Standard: almond
Finish
Standard: epoxy/polyester powder paint
Voltage
- 208V, 240V, 277V, 347V, 480V, 600V, 1 or 3-phase
- Some units may be field converted from 3 to 1-phase
Construction
- 18 and 20-gauge steel
- Adjustable louvres to direct airflow
- High-limit temperature control with automatic reset
Fan
- Motor mounted in cold compartment
- Thermally-protected motor
- Totally enclosed and factory-lubricated ball bearing motor (except for 15 to 25kW at 208/240V)
- 58 dBA fan (2 to 10kW), 67 dBA fan (15 to 30kW) and 77 dBA fan (40 to 60kW)
- Fan delay purges heater of residual heat
Heating Element
- Durable tubular heating elements; stainless steel (2 to 10kW); finned (15 to 60kW)
- Concentric disposition of heating elements
- Factory sealed element upon request
Control
- All models have a factory-installed contactor
- 240/208V control circuit standard (with transformer if necessary)
- 24V relay, with or without transformer available
- Built-in thermostat available
- 120V control circuit available
Manufacturer highly recommends to use a wall thermostat for greater comfort. Any remote thermostat or relay must be connected to the heater control terminal block.
Installation
- Horizontal wall or ceiling mounting using one of two supplied brackets which allow 360° rotation (Horizontal mounting only for 40kW, 50kW and 60kW secured by 4 hooks [ceiling only])
- Vertical mounting using 4 threaded rods 1/2 inch X 13 UNC (not included) (except option -MD)
- Diffuser cones available (except option -MD)
- Large and easily accessible control compartment
- Maximum recommended height (horizontal): 2 to 10kW: 8 ft. (2.4 m); 15 to 30kW: 10 ft. (3 m); 40 to 60kW: 15 ft. (4.5 m)
- Protective screen allows lower mounting height (except 40 to 60kW)
- Minimum height of 8 ft. (2.4 m) for 40 to 60kW heaters
- 30 °C (85 °F) maximum operating ambient temperature
Diagrams
Illustrations show two mounting configurations for the unit heater: one for small areas and one for large areas, both depicting suspended installation. A side view schematic of the unit heater displays the motor, fan, heating elements, and adjustable louvres within the cold section. Another diagram indicates the mounting points for vertical installation, requiring four threaded rods (1/2" - 13 UNC).
Warranty
- 1-year warranty against defects
Application
- Commercial hall, warehouse, stairwell, factory
Model Specifications
EGHB Industrial Suspended Unit Heater Model SpecificationsSize | Heating Capacity | Airflow (cfm) | Temperature Rise | Motor (HP) | Motor RPM | Ship Weight | ||||
---|---|---|---|---|---|---|---|---|---|---|
kW | MBH | °F | °C | @ 277V and lower | @ 480V and Higher | Lbs | Kg | |||
2 | 3 | 7 | 510 | 13 | 7 | 1/30 | 1550 | 1550 | 45 | 20 |
3 | 4 | 10 | 510 | 18 | 10 | 1/30 | 1550 | 1550 | 45 | 20 |
4 | 5 | 14 | 510 | 25 | 14 | 1/30 | 1550 | 1550 | 45 | 20 |
5 | 7.5 | 26 | 700 | 23 | 13 | 1/30 | 1550 | 1550 | 45 | 20 |
7 | 10 | 34 | 700 | 34 | 19 | 1/30 | 1550 | 1550 | 45 | 20 |
10 | 15 | 51 | 700 | 45 | 25 | 1/30 | 1550 | 1550 | 45 | 20 |
15 | 15 | 51 | 1300 | 36 | 20 | 1/8 | 1550 | 1550 | 85 | 39 |
20 | 20 | 68 | 1400 | 34 | 19 | 1/3 | 1550 | 1725 | 85 | 39 |
25 | 20 | 68 | 1300 | 49 | 27 | 1/8 | 1550 | 1725 | 85 | 39 |
30 | 25 | 85 | 1400 | 45 | 25 | 1/3 | 1550 | 1725 | 85 | 39 |
40 | 30 | 102 | 1400 | 61 | 34 | 1/3 | 1550 | 1725 | 150 | 68 |
50 | 40 | 136 | 2000 | 56 | 31 | 3/4 | 1725 | 1725 | 150 | 68 |
60 | 50 | 171 | 2000 | 68 | 38 | 3/4 | 1140 | 1140 | 150 | 68 |
Options
Factory Installed OptionsOption | Model Codes |
---|---|
Supply Voltage/ Phase | 208/1 (AK2), 208/3 (AK5), 208/3-1 (AK15), 240/1 (AK3E), 240/3 (AK6E), 240/3-1 (AK16), 277/1 (AK4), 347/1 (AK34), 480/1 (AK9E), 480/3 (AK7E), 600/3 (AK8E) |
Triple Pole Contactor (3ph) | AN6 |
Disconnect Switch | 40A (BA14), 80A (BA15), 100A (BA16) |
Branch Circuit Fusing | BA12 |
Unit Mounted Summer Fan Switch | BF4A |
Control Voltage | 208V, 240V, 277V (STD), 24V relay with transformer (BT1), 120V contactor with transformer (BT2) |
Manual High Limit | BD6 |
Summer Fan Relay | 24V, remote control (Fan Switch must be ordered separately) (CV24) |
Internal Thermostat | IC11 |
Option | Size 2 | Size 3 | Size 4 | Size 5 | Size 7 | Size 10 | Size 15 | Size 20 | Size 25 | Size 30 | Size 40 | Size 50 | Size 60 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
24V Relay Kit | IR24 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
Without transformer | ||||||||||||||
240V transformer | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |||||||
Unit Mounted Thermostat Kit | IT13 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
Wall Mounted Thermostats | Single-pole, low-voltage thermostat (CL1A) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |||||||
Single-pole, single stage thermostat (CL5) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |||||
Vertical Cone Diffuser | CD70 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Notes:
1 Models with the indications "3/1" can be field converted from 3 to 1-phase.
2 2-pole contactor is standard with single and 3-phase units. 3-pole contactor may be required by some codes for 3-phase.
3 For the U.S. only: The nominal current of the unit must not exceed 80% of the capacity of the disconnect.
4 For single or multiple unit control.
5 IR24: 24V signal by others (multiple units per thermostat). IR2B: for 24V thermostat on each unit.
6 All heaters have a 240V control circuit unless otherwise specified.
7 Field installed. Same thermostat as Option IC11.
8 CL1A thermostat requires option BT1.
Standard color is almond.
Dimensions
EGHB Industrial Suspended Unit Heater Dimensions (mm/inch)Label | 2 - 10kW | 15 - 30kW | 40 - 60kW |
---|---|---|---|
mm | inch | mm | inch | mm | inch | |
A | 305 | 12 | 444 | 17 1/2 | 585 | 23 |
B | 419 | 16 1/2 | 556 | 21 7/8 | 641 | 25 1/4 |
C | 432 | 17 | 572 | 22 1/2 | 870 | 34 1/4 |
D | 357 | 14 1/16 | 470 | 18 1/2 | - |
E | 290 | 11 7/16 | 407 | 16 | - |
F | 490 | 19 5/16 | 630 | 24 13/16 | 924 | 36 3/8 |
G | 305 | 12 | 305 | 12 | 305 | 12 |
H | 123 | 4 7/8 | 148 | 5 13/16 | 305 | 12 |
I | 428 | 16 7/8 | 592 | 23 5/16 | 890 | 35 |
Label | 2 - 10kW | 15 - 30kW | 40 - 60kW |
---|---|---|---|
kg | lb | kg | lb | kg | lb | |
Weight | 20 | 45 | 39 | 85 | 68 | 150 |