Introduction - Ecoer MGH96 Installation, Operation And Maintenance Manual

8 | Ecoer 96% AFUE Gas Furnace

3 Introduction

This 3-way Multipoise Category IV Fan-assisted furnace is AHRI and ETL design-
certifi ed. A Category IV Fan-assisted furnace is an appliance equipped with an
integral mechanical means to either draw or force products of combustion through
the combustion chamber and/or heat exchangers. This furnace is factory-shipped
for use with natural gas.
This furnace is not approved for installation in mobile homes, recreational
vehicles, or outdoors. This furnace is designed for minimum continuous return-air
temperature of 60°F (16°C) (DBT) or intermittent operation down to 55°F (13°C)
(DBT) such as when used with a night setback thermostat. Return-air temperature
must not exceed 85°F (29°C) (DBT). Failure to follow these return-air temperature
limits may affect reliability of heat exchangers, motors, and controls. (See Section
4.1, Fig. ).
For accessory installation details, refer to the applicable instruction literature.
A Natural Gas to LP conversion kit, supplied by the manufacturer with every furnace
unit, shall be used to convert to propane gas (LP).
This furnace is for indoor installation in a building constructed on-site.
This furnace may be installed on combustible fl ooring in alcove or closet at
minimum clearance as indicated by Figure 3.
This furnace requires a special venting system. Refer to Section 8, "Vent System"
of this manual for installation instructions related to venting. In the US this furnace
is for use with schedule-40 PVC, PVC-DWV, CPVC, or ABS-DWV pipe, and must not
be vented in common with other gas-fi red appliances. For installations in Canada,
refer to Section 8.4, "Combustion Air/Venting" of this manual. Construction
through which vent/air intake pipes may be installed is maximum 24 inches (610
mm), minimum 3/4 inches (19 mm) thickness (including roofi ng materials).
Remove all shipping brackets and materials before operating the furnace.
WARNING: FIRE, EXPLOSION, ASPHYXIATION HAZARD
Improper adjustment, alteration, service, maintenance, or

installation can cause serious injury or death.
Read and follow instructions and precautions in User's
Information Manual provided with this furnace. Installation
and service must be performed by a qualifi ed service agency
or the gas supplier.
This product is not to be sold or installed in the State of California in
the South Coast Air Quality Management District or San Joaquin Valley
Air Basin territory.
Data subject to change
Installation, Operation & Maintenance
CAUTION:
INSTALLATION

1. This furnace must be installed in accordance with
the manufacturer's instructions and local codes. In
the absence of local codes, follow the National Fuel
Gas Code ANSI Z223.1/ NFPA54.
2. This furnace must be installed so there are
provisions for combustion and ventilation air. See
manufacturer's installation information provided
with this appliance.
 OPERATION
This furnace is equipped with manual reset limit switch(es)
in burner compartment to protect against overheat
conditions that can result from inadequate combustion air
supply or blocked vent conditions.
1. Do not bypass limit switches.
2. If a limit opens, call a quallifi ed service technician
to correct the condition and reset the limit switch.
This furnace is approved for UPFLOW and HORIZONTAL installations.
WARNING: FIRE HAZARD
 Do not install the furnace on its front or back. See Figure 2.
Front
Figure 2
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