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9-511
SPECIAL PRECAUTIONS
SPECIAL PRECAUTIONS
THE INSTALLATION AND MAINTENANCE INSTRUCTIONS IN
THIS MANUAL MUST BE FOLLOWED TO PROVIDE SAFE,
EFFICIENT AND TROUBLE-FREE OPERATION. IN ADDITION,
PARTICULAR CARE MUST BE EXERCISED REGARDING
THE SPECIAL PRECAUTIONS LISTED BELOW. FAILURE
TO PROPERLY ADDRESS THESE CRITICAL AREAS COULD
RESULT IN PROPERTY DAMAGE OR LOSS, PERSONAL
INJURY, OR DEATH. THESE INSTRUCTIONS ARE SUBJECT
TO ANY MORE RESTRICTIVE LOCAL OR NATIONAL CODES.
HAZARD INTENSITY LEVELS
1. DANGER: Indicates an imminently hazardous situation
which, if not avoided, WILL result in death or serious injury.
2. WARNING: Indicates a potentially hazardous situation which,
if not avoided, COULD result in death or serious injury.
3. CAUTION: Indicates a potentially hazardous situation which,
if not avoided, MAY result in minor or moderate injury.
4. IMPORTANT: Indicates a situation which, if not avoided,
MAY result in a potential safety concern.
DANGER
Appliances must not be installed where they may be
exposed to a potentially explosive or flammable atmosphere.
WARNING
1. Do not locate ANY gas-fired units in areas where
chlorinated, halogenated, or acidic vapors are present in
the atmosphere. These substances can cause premature
heat exchanger failure due to corrosion which can cause
property damage, serious injury or death.
2. To prevent risk of fire or improper unit operation, radiant
tube baffle must be properly selected from Table 10.1
according to fuel type, burner input, and tube system length
and it must also be properly assembled and installed.
3. To prevent tube sections from separating during unit
operation, tube clamps must be centered over the joints
of adjoining tube sections and tightened to 50 ft. - lb. and
the clamp fastened to the tubes using (2) self-tapping
screws. Failure to do so may result in separation of tube
sections which could fall and result in death or serious injury.
4. All field gas piping must be pressure/leak tested prior to
operation. Never use an open flame. Use a soap solution
or equivalent for testing.
5. Gas pressure to appliance controls must never exceed
14" W.C. (1/2 psi).
6. Do not join two sections of Type B double wall vent pipe
within the vent system. A compromised pipe joint/liner pipe
may or not be detected, resulting in serious injury or
death.
7. A built-in combustion air blower is provided – additional
external draft hoods (diverters) or power exhausters are
not required or permitted.
8. To reduce the opportunity for condensation, the minimum
sea level input to the appliance, as indicated on the serial
plate, must not be less than 5% below the rated input.
9. A certified flexible connector must be used (local codes
permitting) as a the method of connecting the heaters to
the gas supply to avoid placing stress on the gas supply
line due to the expansion of the low intensity infrared
tubes during operation.
WARNING
10. Disconnect power supply before making wiring connections
to prevent electrical shock and equipment damage.
11. All appliances must be wired strictly in accordance with
the wiring diagram furnished with the unit. Any wiring
different from the wiring diagram could result in a hazard
to persons and property.
12. Any original factory wiring that requires replacement
must be replaced with wiring material having a
temperature rating of at least 105°C.
13. Ensure that the supply voltage to the appliance, as
indicated on the serial plate, is not 5% greater than rated
voltage.
14. When servicing or repairing this equipment, use only
factory-approved service replacement parts. A complete
replacement parts list may be obtained by contacting
Modine Manufacturing Company. Refer to the rating
plate on the unit for complete unit model number, serial
number, and company address. Any substitution of parts
or controls not approved by the factory will be at owner’s
risk.
CAUTION
1. As with all infrared equipment, clearances to combustible
materials are critical. Be sure all units have reflectors
installed along the entire length of the tube, and that they
are not mounted at an angle greater than 45° from the
horizontal plane. In locations used for storage of
combustible materials, signs shall be clearly posted in the
vicinity of the heater where readily apparent to material
handlers to specify the maximum permissible stacking
height to maintain required clearances from the heater to
the combustibles.
2. Installation must conform with local building codes or in
the absence of local codes, with Part 7, Venting of
Equipment, or the National Fuel Gas Code, ANSI Z223.1
(NFPA 54) – latest edition. In Canada installation must be
in accordance with CAN/CGA-B149.1 for natural gas
units, and CAN/CGA-B149.2 for propane units.
3. Purging of air from gas lines should be performed as
described in ANSI Z223.1 – latest edition "National Fuel
Gas Code" or in Canada in CAN/CGA-B149 codes.
4. When leak testing the gas supply piping system, the
appliance and its combination gas control must be
isolated during any pressure testing in excess of 14" W.C.
(1/2 psi).
5. The unit should be isolated from the gas supply piping
system by closing its field installed manual shut-off valve.
This manual shut-off valve should be located within 6' of
the heater.
6. Turn off all gas before installing appliance.
7. Ensure that the supply voltage to the appliance, as
indicated on the serial plate, is not 5% less than the rated
voltage.
8. Do not attempt to reuse any mechanical or electrical
controllers which have been wet. Replace defective
controller.
