MORTEX PRODUCTS INC. 501 TERMINAL RD FORT WORTH, TX 76106 Page 4
The homeowner should establish a clear understanding of these
responsibilities with the installer and /or service company so
there will be no misunderstanding of what will be covered under
warranty later.
While Homeowner or User is Away
The furnace is equipped with safety shutoff devices which are
designed to prevent it from overheating in case of a malfunction.
For this reason, it is never practical to assume the furnace will
operate unattended for long periods of time. Examples of a
malfunction that can cause significant damage to the home
would be:
1. The furnace blower motor fails and the heating elements
on the safety shutoff devices while the temperature inside
the home continues to drop. Water pipes will freeze and could
burst once their temperature falls below 32°F (0°C) resulting in
significant damage to the structure.
2. The furnace blower motor or outdoor unit fails in the summer
resulting in the temperature inside the home to rise above the
setpoint. If the temperature of the home rises above the rated
temperature of appliances, appliance failure can occur.
3. If the homeowner to be away from home for a long period of
time, they should have someone check on the home every day,
especially when the outside temperatures will be below 35°F
(1.7°C) or above 75°F (23.9°C) to ensure the furnace is operating
properly. This will help prevent water pipes from freezing or
appliances from failing.
If the Furnace Fails to Operate Properly
If any abnormalities are observed while the furnace is operating,
perform the following checks:
1. Check the setting on the thermostat to make sure the
thermostat is set above the room temperature.
2. Check to see if the electrical power is turned on at the circuit
breakers at the main electrical panel (circuit breaker box) or
check any switches that may be used for service disconnect
switches. These are often mistaken for light switches and are
turned off.
3. Make sure the air filters are clean, return grilles clean, are not
obstructed, and supply air registers are open.
4. If the cause of the malfunction is not obvious, the homeowner/
user must not attempt to service the furnace. A qualified
service company must be called to repair the furnace.
Should overheating occur turn the circuit breakers on
the control box and the main electrical service entrance
(Circuit Breaker Box) to the off position. Call qualified
service personnel to troubleshoot and repair the furnace.
DO NOT allow the furnace to continue to cycle on the
limit controls.
SERVICE AGENCY INFORMATION
Fill in Below
MODEL NUMBER:
SERIAL NUMBER:
SERVICE COMPANY:
ADDRESS:
TELEPHONE (DAYTIME):
TELEPHONE (EMERGENCY):
NOTES:
If the Startup and Shutdown instructions are not followed
exactly, a fire may result causing property damage,
personal injury, and/or loss of life. Read the instructions
below before trying to start up or shut down the furnace.
SECTION 4: STARTUP AND SHUTDOWN INSTRUCTIONS
1. BEFORE OPERATING: Check around perimeter of the furnace
to make sure there are no flammable materials in the area. If
vapors of any kind are smelled, do not turn the electrical power
to the furnace on until vapors have been ventilated and
removed from the area of the furnace.
2. CHECK THE FURNACE: Visually check the furnace for loose
screws and panels that may be missing or have fallen off.
3. CHECK DUCT CONNECTIONS: Visually check the connections
of the ducts to the furnace to make sure there are no gaps or
holes and ducts are securely fastened to the furnace. Check the
furnace base for any gaps or deuteration that can cause leakage
of the return air to the furnace.
Turning On / Starting Up the Furnace
1. STOP! Read the safety information above before proceeding.
2. Set the thermostat to the OFF setting.
3. Move the circuit breakers in the main electrical panel (home
circuit breaker box) to the “OFF” position.
4. Remove furnace front access panel.
5. Move the circuit breakers located on the control box cover to
the “ON” position.
NOTE: Homeowners or furnace users must not remove the
furnace control box cover. Homeowners and furnace users
should only reset the circuit breakers located on the front of the
control box cover and in the main electrical panel (home circuit
breaker box).
6. Install the furnace front access panel.
7. Move the circuit breakers in the main electrical panel (home
circuit breaker box) to the “ON” position.
8. Set the thermostat to the desired mode and temperature
setting.
When to Call for Service Assistance
Very often time can be saved if the homeowner provides the service
agency information about the furnace ahead of time. This will enable the
service agency to determine the specific components used and possibly
identify the problem and arrive with the correct parts to fix the problem.
Write down the model number, serial number and be prepared to de-
scribe problem with the furnace and what has already been checked.
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