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NOTE TO EQUIPMENT OWNER:

For your convenience, please record the model and serial numbers of your new equipment in the spaces

provided. This information, along with the installation data and dealer contact information, will be helpful

should your system require maintenance or service.

UNIT INFORMATION

Model # _____________________________________

Serial # ______________________________________

ACCESSORIES (List type of model #)

_____________________________________________
_____________________________________________
_____________________________________________

INSTALLATION INFORMATION

Date Installed________________________________

DEALERSHIP CONTACT INFORMATION

Company Name_______________________________
Address______________________________________
_____________________________________________
Phone Number _______________________________
Technician Name _____________________________

_____________________________________________

NOTE TO INSTALLER:

This manual must be left with the equipment owner.

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 when

handling parts or reaching into the unit.

!

CAUTION

Содержание COMFORT 48EZ-A

Страница 1: ...al Fuel System With Puron R 410A Refrigerant Single and Three Phase 2 5 Nominal Tons Sizes 24 60 Owner s Information Manual A09034 48EZ A Without Economizer A10077 48EZ A With Economizer Fig 1 Unit 48EZ A A09033 48VT A Without Economizer A10078 48VT A 48VT A with Economizer Fig 2 Unit 48VT A ...

Страница 2: ...ent 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 ins...

Страница 3: ...ed gas heat electric heat pump systems that can utilize both the efficiency of heat pump heating and the comfort of gas heating The system will optimize for ideal heating depending on several factors This unit uses Puron the ozone friendly refrigerant for cooling and heat pump heating Starting or Shutting Off Unit NOTE Your combination heating cooling unit is equipped with an automatic direct spar...

Страница 4: ...oceeding with the following steps 1 Set the temperature selector on room thermostat to highest temperature setting and set system SWITCH to OFF 2 Close the external manual shutoff valve if not already closed 3 Turn off the electrical power supply to the unit NOTE Heat Pump heating mode procedure is similar to electric cooling mode except thermostat mode is HEAT and thermostat must operate on first...

Страница 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 5 To Start Unit Gas Heat ...

Страница 6: ...5 STEP 1 STEP 2 CL O S E STEP 3 OFF ON MAIN STEP 4 STEP 6 STEP 5 A07663 Fig 6 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 7 To Start Unit Electric Cooling ...

Страница 7: ... 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 F...

Страница 8: ...5 mm 36 060 090 1 each 24 x 14 x 1 610 x 406 x 25 24 x 16 x 1 610 x 406 x 25 42 060 090 1 each 24 x 14 x 1 610 x 356 x 25 24 x 16 x 1 610 x 406 x 25 48 090 115 130 1 each 24 x 16 x 1 610 x 406 x 25 24 x 18 x 1 610 x 457 x 25 60 090 115 130 1 each 24 x 16 x 1 610 x 406 x 25 24 x 18 x 1 610 x 457 x 25 Units with bent indoor coil Large Chassis See Fig 10 1 Remove filter access door using a 5 16 in nu...

Страница 9: ...one by a trained service person FIRE EXPLOSION HAZARD Failure to follow this warning could result in personal injury death and or property damage If your unit makes 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 aft...

Страница 10: ... 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 C...

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