SECTION 2: SAFETY
MORTEX PRODUCTS INC. 501 TERMINAL RD FORT WORTH, TX 76106 Page 3
This is a safety alert symbol. When you see this symbol on
labels or in manuals, be alert to the potential for personal injury.
Understand and pay particular attention to the signal words
DANGER, WARNING, or CAUTION.
DANGER: Indicates an imminently hazardous situation, which if
not avoided, will result in death or serious injury.
WARNING: Indicates a potentially hazardous situation, which if
not avoided, could result in death or serious injury.
CAUTION: Indicates a potentially hazardous situation, which if
not avoided, may result in minor or moderate injury. It is also
used to alert against unsafe practices and hazards involving
property damage.
FIRE OR ELECTRICAL HAZARD
Failure to follow the safety warnings exactly could result in serious
injury, death, or property damage.
A re or electrical hazard may result causing property damage,
personal injury or loss of life.
Improper installation may create a condition where the
operation of the product could cause personal injury or
property damage.
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. Refer
to this manual for assistance. For additional information
consult a qualified contractor, installer, or service agency.
This product must be installed in strict compliance with
the installation instructions and any applicable local, state,
and national codes including, but not limited to; building,
electrical, and mechanical codes.
Safety Requirements
1. This electric furnace should be installed in accordance with all
national and local building, safety, plumbing, and wastewater
codes along with all other applicable codes. In the absence of
local codes, install in accordance with the following codes.
• Standard for the Installation of Air Conditioning and
Ventilating Systems (NFPA 90A)
• Standard for the Installation of Warm Air Heating and Air
Conditioning Systems (NFPA 90B)
• National Electrical Code (NFPA 70) (USA)
• Canadian Electrical Code, Part I (CSA C22.1) (CANADA)
• All local codes (State, City, and Township)
NOTE: All applicable codes take precedence over any
recommendation made in these instructions. The
manufacturer assumes no responsibility for air handlers
installed in violation of any code or regulation.
2. Provide clearances from combustible materials as listed under
Clearances to Combustibles.
3. Provide clearances for servicing ensuring service access is
allowed for the control box, electric elements and the blower.
4. Failure to carefully read and follow all instructions in this
manual can result in malfunction of the furnace, personal
injury, property damage and or death.
5. Check the rating plate and the power supply to be sure the
electrical characteristics match.
6. Electric furnace shall be installed so the electrical components
are protected from water.
7. Care should be given when installing and servicing this
furnace due to live electrical components. Some components
may have dual power supplies. Always be sure to disconnect
all fuses or circuit breakers before installing or servicing this
furnace.
8. Only trained and qualied personnel should install repair or
service this furnace. Untrained service personnel can perform
basic maintenance functions such as cleaning of exterior
surfaces and replacing the air lters. Observe all precautions in
these instructions and on the attached labels when working
on this furnace.
9. These instructions cover minimum requirements and conforms
to existing national standards and safety codes. In some
instances, these instructions exceed certain local codes and
ordinances, especially those that have not kept up with
changing mobile home, modular home and HUD construction
practices. These instructions are to be followed and are the
minimum requirement for a safe installation.
10. The size of the system should be based on an acceptable
heat loss calculation for the structure. ACCA Manual J or other
approved methods may be used.
11. All models use a nominal 208/240 VAC, 1- Phase, 60-Hz power
supply.
NOTE: DO NOT CONNECT THIS AIR HANDLER TO A 50 HZ
POWER SUPPLY OR A VOLTAGE ABOVE 250 VOLTS.
12. Ground connections must be securely fastened to the ground
lug located inside the control box.
Inspection
As soon as the furnace is received, it should be inspected for
possible damage during transit. If damage is evident, the extent
of the damage should be noted on the carrier’s freight bill. A
separate request for inspection by the carrier’s agent should be
made in writing. Before installing the furnace, check the cabinet
for screws or bolts which may have loosened in transit. There are
no shipping or spacer brackets requiring removal before startup.
Check to be sure all accessories such as heater kits and coils
are available. Installation of these accessories should be
accomplished before the furnace is set in place or the connecting
of the wiring, ducts, or piping.
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