background image

2

SAFETY CONSIDERATIONS

Installation and servicing of this equipment can be hazardous due
to mechanical and electrical components. Only trained and

qualified personnel should install, repair, or service this equipment.
Untrained personnel can perform basic maintenance functions such

as cleaning and replacing air filters. All other operations must be

performed by trained service personnel. When working on this
equipment, observe precautions in the literature, on tags, and on

labels attached to or shipped with the unit and other safety
precautions that may apply.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Have fire extinguisher available. Read these

instructions thoroughly and follow all warnings or cautions

included in literature and attached to the unit. Consult local
building codes, the current editions of the National Fuel Gas Code

(NFGC) NFPA 54/ANSI Z223.1, and the National Electrical Code
(NEC) NFPA 70.
In Canada refer to the current editions of the National Standards of

Canada CAN/CSA--B149.1 and .2 Natural Gas and Propane
Installation codes, and Canadian Electrical Code CSA C22.1.

Recognize safety information. This is the safety--alert symbol

!

!

When you see this symbol on the unit and in instructions or
manuals, be alert to the potential for personal injury.
Understand these signal words; DANGER, WARNING, and
CAUTION. These words are used with the safety--alert symbol.

DANGER identifies the most serious hazards which

will

result in

severe personal injury or death. WARNING signifies hazards
which

could

result in personal injury or death. CAUTION is used

to identify unsafe practices which

may

result in minor personal

injury or product and property damage. NOTE is used to highlight

suggestions which

will

result in enhanced installation, reliability,

or operation.

NOTE

: Installer: This manual should be left with the equipment

user.

FIRE,

EXPLOSION,

ELECTRICAL

SHOCK

HAZARD

Failure to follow this warning could result in personal

injury, death or property damage.
Installation and servicing of this equipment can be

hazardous due to mechanical and electrical components.

Only trained and qualified personnel should install repair or

service this equipment.

!

WARNING

FIRE,

EXPLOSION,

ELECTRICAL

SHOCK

HAZARD

Failure to follow this warning could result in personal

injury, death or property damage.
Do not use this unit if any part has been under water.

Immediately call a qualified service technician to inspect the

unit and to replace any part of the control system which has

been under water.

!

WARNING

CUT HAZARD

Failure to follow this caution may result in personal injury.
When removing access panels or performing maintenance

functions inside your unit, be aware of sharp sheet metal

parts and screws. Although special care is taken to reduce

sharp edges to a minimum, be extremely careful and wear

appropriate clothing, safety glasses and gloves when

handling parts or reaching into the unit.

!

CAUTION

FIRE AND EXPLOSION HAZARD

Failure to follow this hazard warning could result in

personal injury, death and/or property damage.
What to do if you smell gas:

1. Do not try to light any appliance.

2. Do not touch any electrical switch; do not use any phone

in your building.

3. Leave the building immediately.

4. Immediately call your gas supplier from a nearby phone.

Follow the gas supplier’s instructions.

5. If you cannot reach your gas supplier, call the fire

department.

!

WARNING

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal

injury and/or death.
Before performing recommended maintenance, be sure the

main power switch to unit is turned off and lock--out tag is

installed.

!

WARNING

FIRE,

EXPLOSION,

ELECTRICAL

SHOCK

HAZARD

Failure to follow this hazard warning could result in

personal injury, death and/or property damage.
1. Do not turn off the electrical power to unit without first

turning off the gas supply.

2. Before attempting to start the gas heating section,

familiarize yourself with all the procedures that must be

followed.

!

WARNING

FIRE, EXPLOSION HAZARD

Failure to follow this warning could result in personal

injury, death, and/or property damage.
Do not attempt to light by hand.

!

WARNING

Summary of Contents for Comfort 48VT-C

Page 1: ...__________________________________ _____________________________________________ _____________________________________________ INSTALLATION INFORMATION Date Installed________________________________ DEALERSHIP CONTACT INFORMATION Company Name_______________________________ Address______________________________________ _____________________________________________ Phone Number _____________________...

Page 2: ...ury death or property damage Installation and servicing of this equipment can be hazardous due to mechanical and electrical components Only trained and qualified personnel should install repair or service this equipment WARNING FIRE EXPLOSION ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury death or property damage Do not use this unit if any part has been und...

Page 3: ...re to start unit The induced draft combustion air fan will start Main gas valve will open and main burners should ignite within 5 seconds If the burner does not light within 5 seconds the ignition module will go into a Retry Mode after a period of approximately 22 seconds following the 5 second ignition period If the burners do not light within 15 minutes of the initial call for heat there is a lo...

Page 4: ...FAN control and a SYSTEM or MODE control Refer to your thermostat owner s manual for more information To better protect your investment and to eliminate unnecessary service calls familiarize yourself with the following facts 1 During heat pump heating increasing the thermostat setting more than 2_F 1 1_C may cause the supplemental gas heat to be turned on for a short period of time to satisfy the ...

Page 5: ...5 55 STEP 1 STEP 2 CL O S E STEP 3 OFF ON MAIN STEP 4 STEP 7 OFF ON MAIN STEP 8 STEP 5 72 STEP 10 STEP 6 STEP 9 O P E N A07662 Fig 4 To Start Unit Gas Heat ...

Page 6: ...5 STEP 1 STEP 2 CL O S E STEP 3 OFF ON MAIN STEP 4 STEP 6 STEP 5 A07663 Fig 5 To Shut Off Unit Gas Heat 90 STEP 1 STEP 2 CL O S E 72 STEP 4 5 OFF ON MAIN STEP 3 A09194 Fig 6 To Start Unit Electric Cooling ...

Page 7: ...m the top of the unit is 48 in 1219 mm Clearance of at least 36 in 914 mm is required on sides except the power entry side 42 in 1067 mm clearance and the duct side 12 in 305 mm minimum clearance Maintenance and Care for the Equipment Owner Before proceeding with those things you might want to maintain yourself please carefully consider the following FIRE EXPLOSION ELECTRICAL SHOCK AND CUT HAZARD ...

Page 8: ...r s by pulling it out and through the unit filter access door If filter is dirty replace both filters with new ones Units with bent indoor coils install 24 x 18 x 1 610 x 457 x 25 mm filter first and then install 24 x 16 x 1 610 x 406 x 25 filter When installing the new filters note the direction of the airflow arrows on the filter frame which should be pointing at the indoor coil 3 Reinstall filt...

Page 9: ... an especially loud noise when the main burners are ignited shut down the heating section and call your dealer WARNING BURN HAZARD Failure to follow this caution may result in personal injury Components in heating section may be hot after unit has been started up When observing flame be careful not to get close to or touch heating components CAUTION Regular Dealer Maintenance In addition to the ty...

Page 10: ...he COOL or HEAT and not OFF If your unit still fails to operate call your servicing dealer for troubleshooting and repairs Specify the model and serial numbers of your unit Record them in this manual in the space provided If the dealer knows exactly which unit you have he may be able to offer suggestions over the phone or save valuable time through knowledgeable preparation for the service call In...

Reviews: