This gas furnace may be used for construction heat provided that:
•
The furnace is permanently installed with all electrical wiring, piping, air filters, venting and ducting installed according to these installation
instructions. A return air duct is provided, sealed to the furnace casing, and terminated outside the space containing the furnace. This prevents
a negative pressure condition as created by the circulating air blower, causing a flame rollout and/or drawing combustion products into the
structure.
•
The furnace is controlled by a thermostat. It may not be
″
hot wired
″
to provide heat continuously to the structure without thermostatic control.
•
Clean outside air is provided for combustion. This is to minimize the corrosive effects of adhesives, sealers and other construction materials.
It also prevents the entrainment of drywall dust into combustion air, which can cause fouling and plugging of furnace components.
•
The temperature of the return air to the furnace is maintained between 55°F (13°C) and 80°F (27°C), with no evening setback or shutdown.
The use of the furnace while the structure is under construction is deemed to be intermittent operation per our installation instructions.
•
The air temperature rise is within the rated rise range on the furnace rating plate, and the firing rate has been set to the nameplate value.
•
The filters used to clean the circulating air during the construction process must be either changed or thoroughly cleaned prior to occupancy.
•
The furnace, ductwork and filters are cleaned as necessary to remove drywall dust and construction debris from all HVAC system components
after construction is completed.
•
After construction is complete, verify furnace operating conditions including ignition, input rate, temperature rise and venting, according to the
manufacturer’s instructions.
The furnace shall be installed so that the electrical components are protected by water.
These furnaces are shipped with the following materials to assist in proper furnace installation. These materials are shipped in the main blower
compartment.
Installer Packet includes:
Installation Manual
Service Guide
User’s Information Manual
Warranty Certificate
Loose Parts Bag includes:
Quantity
Pressure tube extension
1
Collector box or condensate trap extension tube
1
Inducer housing drain tube
1
1/2-in. CPVC street elbow
2
Drain tube coupling
1
Drain tube coupling grommet
1
Vent and combustion-air pipe support
2
Condensate trap hole filler plug
3
Vent and combustion-air intake hole filler plug
2
Combustion-air pipe perforated disk assembly
1
Vent Pipe Extension (ONLY supplied with some furnaces)
1
For accessory installation details, refer to accessory installation instructions.
CODES AND STANDARDS
Follow all national and local codes and standards in addition to these instructions. The installation must comply with regulations of the
serving gas supplier, local building, heating, plumbing, and other codes. In absence of local codes, the installation must comply with the national
codes listed below and all authorities having jurisdiction.
In the United States and Canada, follow all codes and standards for the following:
PROCEDURE 1—SAFETY
•
US: National Fuel Gas Code (NFGC) NFPA 54-2002/ANSI Z223.1-2002 and the Installation Standards, Warm Air Heating and Air
Conditioning Systems ANSI/NFPA 90B
•
CANADA: National Standard of Canada, Natural Gas and Propane Installation Code (NSCNGPIC) CSA B149.1-05
PROCEDURE 2—GENERAL INSTALLATION
•
US: NFGC and the NFPA 90B. For copies, contact the National Fire Protection Association Inc., Batterymarch Park, Quincy, MA 02269; or
for only the NFGC contact the American Gas Association, 400 N. Capitol, N.W., Washington DC 20001
•
CANADA: NSCNGPIC. For a copy, contact Standard Sales, CSA International, 178 Rexdale Boulevard, Etobicoke (Toronto), Ontario, M9W
1R3, Canada.
•
A manufactured (Mobile) home installation must conform with the Manufactured Home Construction and Safety Standard, Title 24 CFR, Part
3280, or when this standard is not applicable, the Standard for Manufactured Home Installation (Manufactured Home Sites, Communities, and
Set-Ups), ANSI/NCS A225.1, and/or CAN/CSA-Z240, MH Series Mobile Homes
PROCEDURE 3—COMBUSTION AND VENTILATION AIR
•
US: Section 8.3 of the NFGC, Air for Combustion and Ventilation
•
CANADA: Part 7 of the NSCNGPIC, Venting Systems and Air Supply for Appliances
PROCEDURE 4—DUCT SYSTEMS
•
US and CANADA: Air Conditioning Contractors Association (ACCA) Manual D, Sheet Metal and Air Conditioning Contractors National
Association (SMACNA), or American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE) 2001 Fundamentals
Handbook Chapter 34.
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