Intertherm E7 Series Electric Furnaces
The E7 Series furnace is designed for all sizes of manufactured and modular homes, incorporating reliability and low maintenance. These units can be installed free-standing in a utility room or enclosed in an alcove or closet. E7 Series furnaces are A/C ready, with 16 blower speeds to meet any cooling requirement.
Model Identification
The model number indicates the product type, generation, blower type, configuration, primary capacity, and revision.
Furnace Parts Identification
Key components include the Transformer, Control Board, Pole Relay, Circuit Breaker, Limits, and Grounding Lug.
Features and Benefits
- Air Conditioning Options: A/C ready from 1.5 to 5 tons.
- Easy Open Door: Secure for transit, easy for access.
- Effective Air Filter: Uses readily available, disposable filters.
- Nichrome Heating Elements: Provide long-lasting, efficient heating.
- Appliance Quality Door: Rust-resistant with a baked enamel finish for easy cleaning.
- Fully Insulated Cabinet: Minimizes heat loss and ensures quiet operation.
- Safety and Dependability: Auto-reset controls protect circuitry; built-in circuit breakers enhance safety.
- Adaptable: Can be configured for downflow or upflow heating.
- Versatile: Compatible with self-contained or split system air conditioners or heat pumps.
- Heating Relays: Ensure quiet operation.
- Control Board: Features 16 blower speeds for optimal comfort.
- 7 Segment LED Display: Shows furnace mode and simplifies service.
- Upflow/Downflow Furnace (E7EM): Available for various applications.
- Upflow (E7EU) and Downflow (E7ED) Furnace: Include factory-installed coil box and filters.
- Accessories: A full line of accessories is available for challenging applications.
Unit Specifications
| FURNACE MODELS E7- | 010 H | 012 H | 015 H | 017 H | 020 H | 023 H |
|---|---|---|---|---|---|---|
| Rated Heating Output, Btuh (note 1) | 35,000 | 41,000 | 53,000 | 57,000 | 70,000 | 75,000 |
| Watts (Total kw, Heating Elements & Blower) | 10.4 | 12.0 | 15.4 | 16.6 | 20.4 | 22.0 |
| Supply Voltage | 240 Volts/60Hz/1-Phase | |||||
| Heating Elements, No. (Total kw) | 2 (10.0) | 2 (11.6) | 3 (15.0) | 3 (16.2) | 4 (20.0) | 4 (21.6) |
| Motor Speed, H.P. Rating, Amps | 16 Speed, 1/2 HP, 3.6 A | |||||
| Test ESP, in. w.c. Max | 0.3 | |||||
| Optional Cooling Available with factory installed blower | 2.0-4.0 Ton | |||||
| Optional Heat Pump Available with factory installed blower | 2.0-4.0 Ton | |||||
| Air Filter (Standard) | 18" x 20" x 1" (nominal) | |||||
| Furnace Dimensions | Multi-Poise | Width-20" (508mm), Height-29" (737mm), Depth-24 1/2" (623mm) | ||||
| Upflow/Downflow | Width-20" (508mm), Height-60 5/8" (1546mm), Depth-24 1/2" (623mm) | |||||
Note 1: Heating output rated at listed voltage. For outputs at voltages other than 240 V, multiply Btuh rating by the following factors: x 0.92 (230 V), x 0.84 (220 V), x 0.75 (208 V).
Electrical Specifications
| MODEL NUMBER E7E*- | SUPPLY CIRCUIT | TOTAL AMPERES | MAXIMUM OVER-CURRENT RATING | MINIMUM CIRCUIT AMPACITY |
|---|---|---|---|---|
| 010 H 1 | Single | 45.3 | 60 | 57 |
| 012 H 1 | Single | 51.6 | 70 | 65 |
| Dual "A" | 27.8 | 35 | 35 | |
| Dual "B" | 24.2 | 35 | 30 | |
| 015 H 1 | Single | 66.1 | 90 | 83 |
| Dual "A" | 45.3 | 60 | 57 | |
| Dual "B" | 20.8 | 30 | 26 | |
| 017 H 1 | Single | 71.1 | 90 | 89 |
| Dual "A" | 45.0 | 60 | 56 | |
| Dual "B" | 26.1 | 35 | 33 | |
| 020 H 1 | Single | 86.9 | 110 | 109 |
| Dual "A" | 45.3 | 60 | 57 | |
| Dual "B" | 41.7 | 60 | 52 | |
| 023 H 1 | Single | 93.6 | 125 | 117 |
| Dual "A" | 45.3 | 60 | 57 | |
| Dual "B" | 48.0 | 60 | 60 |
NOTE: Wire size must be in accordance to the applicable revision of the NEC and all other applicable codes.
Anticipator Settings
| Furnace Model | Thermostat Anticipator Setting |
|---|---|
| 010, 012 | 0.2 |
| 015, 017, 020, 023 | 0.4 |
Clearances
| ALL MODELS | CLOSET | ALCOVE |
|---|---|---|
| Front ‡ | 6" | 18" |
| Back | 0" | 0" |
| Sides | 0" † | 0" † |
| Top | 0" | 0" |
| Top and Sides of Duct | 0" | 0" |
| Bottom of Duct | 0" | 0" |
‡ Service Clearance
† For upflow application using upflow stand, 1" minimum per side.
E7EM Physical Dimensions
E7EU & E7ED Physical Dimensions
E7 Furnace Upflow Stand Dimensions
Optional Accessories
| Description | Part Number |
|---|---|
| Blower, 5 Ton | 1027059 |
| Heating Thermostat Intertherm (12 Pac) | 903188 (903182) |
| Heating Thermostat Miller (12 Pac) | 903189 (903183) |
| Thermostat Sub-Base | 914146 |
| Heating/Cooling Thermostat CM65 Intertherm/Miller (12 Pac) | 903992 (903993) |
| Heating/Cooling Thermostat GE Intertherm (12 Pac) | 903192 (903186) |
| Heating/Cooling Thermostat GE Miller (12 Pac) | 903193 (903187) |
| Automatic Damper for AC or HP Package Unit | 901083 |
| "VEE" Box Adapters (10") - 5 / carton | 901985 |
| Duct Connector 10" Dia. x 6" Long - 6 / carton | 902926 |
| "VEE" Box Adapters (12") - 5 / carton | 902149 |
| Single Wide Fitting Kit (12") | 911468 A |
| Double Wide Fitting Kit (12") | 911469 A |
| Single Wide Fitting Kit (14") | 914957 |
| Double Wide Fitting Kit (14") | 914956 |
| Y-Fitting (12") | 911470 |
| Y-Fitting (14") | 917195 |
| Fan Delay Kit (TDR) | 911758 |
| Top Grille/Frame | 902989 |
| Top Grille/Frame (4 pack) | 903000 |
| Cabinet to Combine w/ Grille/Frame | 903891 |
| Upflow Stand | 1014501 |
| Coil Cabinet (For all sizes), Upflow & Downflow w/ Solid Door | 1006730 |
| Coil Cabinet (For all sizes), Upflow & Downflow w/ Louvered Door | 1006731 |
| Coil Cabinet Downflow (Front return) | 904067 |
| Coil Cabinet Upflow (Solid door, limited capacities) | 902976 |
Accessory Kits
| Vent Kits | Part Number |
|---|---|
| Soffit Air Inlet (for VentilAire III only) | 917201 A |
| VentilAire III - Sloped 3/12 | 914098 |
| VentilAire IV - Sloped 3/12 | 914229 |
| VentilAire V - Sloped 3/12 | 1018547 |
| Plenum Connectors | Part Number | ||||
|---|---|---|---|---|---|
| 11.25 x 13.50 x 0.88 | 12 / carton | ||||
| 11.25 x 13.50 x 2.00 | 12 / carton | ||||
| 11.25 x 13.50 x 4.25 | 6 / carton | ||||
| 11.25 x 13.50 x 6.25 | 6 / carton | ||||
| 11.25 x 13.50 x 8.25 | 4 / carton | ||||
| 11.25 x 13.50 x 10.25 | 3 / carton | ||||
| 11.25 x 13.50 x 12.25 | 3 / carton | ||||
| 11.25 x 13.50 x 6.25 | 24 / carton | ||||
Airflow Data
| AIRFLOW (CFM) | MOTOR SWITCH SETTINGS (0=OFF, 1=ON) | EXTERNAL STATIC PRESSURE (IN. W.C.) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| MODEL NUMBER | 1/5 | 2/6 | 3 / 7 | 4/8 | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 |
| E7E*-0**H1 | 0 | 0 | 0 | 0 | 685 | 640 | 606 | 560 | 513 | 460 |
| 1 | 0 | 0 | 0 | 770 | 727 | 692 | 648 | 599 | 552 | |
| 0 | 1 | 0 | 0 | 854 | 815 | 779 | 737 | 685 | 645 | |
| 1 | 1 | 0 | 0 | 939 | 902 | 865 | 825 | 771 | 737 | |
| 0 | 0 | 1 | 0 | 1,012 | 974 | 938 | 899 | 850 | 813 | |
| 1 | 0 | 1 | 0 | 1,084 | 1,047 | 1,011 | 973 | 930 | 888 | |
| 0 | 1 | 1 | 0 | 1,157 | 1,119 | 1,084 | 1,047 | 1,009 | 964 | |
| 1 | 1 | 1 | 0 | 1,197 | 1,166 | 1,130 | 1,093 | 1,056 | 1,017 | |
| 0 | 0 | 0 | 1 | 1,245 | 1,215 | 1,178 | 1,143 | 1,105 | 1,066 | |
| 1 | 0 | 0 | 1 | 1,293 | 1,263 | 1,225 | 1,192 | 1,154 | 1,114 | |
| 0 | 1 | 0 | 1 | 1,344 | 1,312 | 1,278 | 1,242 | 1,206 | 1,169 | |
| 1 | 1 | 0 | 1 | 1,394 | 1,361 | 1,330 | 1,291 | 1,257 | 1,223 | |
| 0 | 0 | 1 | 1 | 1,434 | 1,401 | 1,369 | 1,332 | 1,299 | 1,267 | |
| 1 | 0 | 1 | 1 | 1,473 | 1,441 | 1,408 | 1,373 | 1,340 | 1,311 | |
| 0 | 1 | 1 | 1 | 1,514 | 1,483 | 1,451 | 1,417 | 1,386 | 1,355 | |
| 1 | 1 | 1 | 1 | 1,555 | 1,525 | 1,494 | 1,460 | 1,431 | 1,398 | |
NOTES:
- Motor switch settings for heating speeds use HEAT switches 1, 2, 3, and 4. For cooling speeds use COOL switches 5, 6, 7, and 8.
- Data is shown with filter.
E7 Airflow Data
| E7E*-0**H1 | MAXIMUM HEATING AIRFLOW SETTING | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| E7EM | E7ED | E7EU | ||||||||
| DOWNFLOW | UPFLOW | DOWNFLOW | UPFLOW | |||||||
| MH | RES | MH | RES | MH | RES | MH | RES | |||
| 10 | 0001 | 0101 | 0001 | 0101 | 0101 | 0101 | 0101 | 0101 | 0101 | |
| 12 | 0011 | |||||||||
| 15 | 0101 | 0101 | ||||||||
| 17 | ||||||||||
| 20 | ||||||||||
| 23 | 0011 | 0001 | 0011 | 0001 | 0011 | |||||
NOTES:
- MH and Res represent Manufactured Housing and Residential (modular home) applications, respectively.
- To comply with government mandated efficiency standards, speed settings with higher CFM values than listed in this table are not allowed in HEAT mode.
General Terms of Limited Warranty
For complete details of the Limited Warranty, including applicable terms and conditions, consult your local installer or contact the Nortek Global HVAC, LLC warranty department for a copy. Before purchasing this appliance, read important energy cost and efficiency information available from your retailer. Specifications and illustrations are subject to change without notice and without incurring obligations. Printed in U.S.A (01/2022) 492F-0122 (Replaces 492F-0621). Trademark Intertherm® used under license. ©Nortek Global HVAC, LLC. All Rights Reserved.
