_ Installation Instructions | Electric Furnace ] |
Figure 1 Dimensions and Clearances
LowVoltage
Pilot Hole
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| CLEARANCES |
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Alternate |
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| NO HEATERS |
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LineVoltage |
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| All Sides | O" | |||
Pilot Hole |
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LineVoltage | 45" | From Supply | Duct | O" | ||
Pilot Hole | Recommended | Service From Front | 20" | |||
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| 54" | (Service for blower, filter if installed) |
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Drain Connections
For Horizontal |
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Main 3/4 Fpt | Suction- |
Overflow 3/4 FPT | |
| Liquid |
Main/OverflowDrains
3/4FPT | 21 1/2" |
| W |
| Filter Door |
General Information
Installation or repairs made by u nqualified persons can result in hazards to you and others. Installation MUST
conform with local building codes and with the National Electrical Code NFPA70 current edition.
The information contained in this manual is intended for use by a qualified service technician familiar with
safety procedures and equipped with the proper tools and test instruments.
Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death.
THESE INSTRUCTIONS ASSUME THAT A TYPICAL INSTAL- LATION WILL INCLUDE ELECTRIC HEAT AND A COIL. BA- SIC INSTRUCTIONS ARE PROVIDED BUT THE INSTALLER WILL HAVE TO REFER TO INSTRUCTIONS FOR OTHER AC- CESSORIES FOR MORE COMPLETE INFORMATION.
The blower cabinet may be used as an electric furnace or for cool- ing or heat pump operation with or without electric heat. The cabi-
net can be installed in an upfiow, downflow or horizontal position (Figure 2). Horizontal installations require a horizontal kit for prop-
WITH | HEATERS |
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All Sides |
| O" | ||
From | First Three |
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Feet | of Supply | Duct to | Combustibles | 1" |
From | Duct after | Three | Feet | O" |
Recommended | Service | From Front | 20" | |
(Service for blower, filter, heaters if installed)
Fire Hazard
When heaters are installed maintain clear-
ances from combustible materials as speci- fied on unit rating plate.
Failure to do so can result in fire, property damage, personal injury or death.
er coil support and drain pan. Downflow installations require a subbase kit which provides proper clearances and a support to install a coil.These units are not shipped with air filters installed. Filter must be field supplied, either washable or disposal type. Washable filters are available as an accessory.
Location
Select the best position wi_ich suits timeinstallation site conditions. The location should provide adequate structural support, space in the front of the unit for service access, clearance for return air and supply duct connections, space for refrigerant piping connections and condensate drain line connections, and clearance for filter re- moval.
NOTE: Internal filter can be accessed from separate filter door. If the filter can NOT be easily accessed, a remote filter is recom- mended. Refer to ACCA Manual D for remote filter sizing.
Ifthe unit is located in an area of high humidity, nuisance sweating of casing may occur. On these installations a wrap of 2" fiberglass insulation with a vapor barrier should be used.
Upflow Installations
The unit is ready to install in the upflow position without modifica- tions.
The unit MUST be supported on the bottom ONLY and set on a supporting frame or shelf. Use screws through the bottom to an- chor to supporting frame.
Downflow Installations
Refer to instructions with Subbase Kit.
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