Carrier 48PG03---16 用户手册
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 111
Catalog No. 04-53480006-01
Printed in U.S.A.
Form 48PG-5SO
Pg 1
8-05
Replaces: 48PG-4SO
Book 1
4
Tab
1a 6a
User’s Information Manual
NOTE TO INSTALLER:
This manual should be left with the equipment owner.
Your combination heating/cooling unit is equipped with di-
rect spark ignition and induced draft power combustion blower.
CONTENTS
Page
DETERMINE TYPE OF UNIT CONTROL . . . . . . . . . . . . . . 1
TO LIGHT UNIT (Units with Electro-Mechanical
TO LIGHT UNIT (Units with Electro-Mechanical
Control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
TO LIGHT UNIT (Units
with ComfortLink™
Control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
TO SHUT UNIT OFF (Units with
Electro-Mechanical Control). . . . . . . . . . . . . . . . . . . . . . . 5
TO SHUT UNIT OFF (Units with
ComfortLink
Control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
MAINTAINING YOUR UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
ROUTINE MAINTENANCE AND CARE FOR
ROUTINE MAINTENANCE AND CARE FOR
THE EQUIPMENT OWNER. . . . . . . . . . . . . . . . . . . . . . . 8,9
Air Filter(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Alarm Status (Units with
Alarm Status (Units with
ComfortLink Control) . . . . . . 8
Integrated Gas Controller (IGC) . . . . . . . . . . . . . . . . . . . . . 9
Combustion Area and Vent System . . . . . . . . . . . . . . . . . 9
Heat Exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Evaporator, Condenser, and
Combustion Area and Vent System . . . . . . . . . . . . . . . . . 9
Heat Exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Evaporator, Condenser, and
Combustion Fan Motors. . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Indoor Fan, Belt, and Pulleys . . . . . . . . . . . . . . . . . . . . . . . . 9
Indoor Fan Shaft Bearings (Sizes 03-14). . . . . . . . . . . . . 9
Indoor Fan Shaft Bearings (Size 16) . . . . . . . . . . . . . . . . . 9
Refrigerant Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Evaporator and Condenser Coils . . . . . . . . . . . . . . . . . . . . 9
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Compressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Condenser Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical Controls and Wiring. . . . . . . . . . . . . . . . . . . . . . . 9
Unit Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
REGULAR DEALER MAINTENANCE. . . . . . . . . . . . . . . . 10
BEFORE YOU CALL FOR SERVICE CHECK FOR
Indoor Fan Shaft Bearings (Sizes 03-14). . . . . . . . . . . . . 9
Indoor Fan Shaft Bearings (Size 16) . . . . . . . . . . . . . . . . . 9
Refrigerant Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Evaporator and Condenser Coils . . . . . . . . . . . . . . . . . . . . 9
Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Compressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Condenser Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical Controls and Wiring. . . . . . . . . . . . . . . . . . . . . . . 9
Unit Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
REGULAR DEALER MAINTENANCE. . . . . . . . . . . . . . . . 10
BEFORE YOU CALL FOR SERVICE CHECK FOR
SEVERAL EASILY SOLVED PROBLEMS . . . . . . . . . . 10
IN CASE OF TROUBLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
DETERMINE TYPE OF UNIT CONTROL
The procedures used to light or shut off the unit depend on
the type of unit control. This section will help determine the
control type of the unit.
control type of the unit.
Electro-Mechanical Control —
These units may be
controlled directly by a thermostat, or indirectly by a third-
party control that connects to the thermostat inputs. For direct
thermostat control, use the Electro-Mechanical Control
procedures in this book. For units with third-party controls
connected to the thermostat inputs, refer to the third-party con-
trol instructions for procedures to ensure complete unit shut off.
party control that connects to the thermostat inputs. For direct
thermostat control, use the Electro-Mechanical Control
procedures in this book. For units with third-party controls
connected to the thermostat inputs, refer to the third-party con-
trol instructions for procedures to ensure complete unit shut off.
ComfortLink Control —
These units have a factory-
installed Carrier ComfortLink control. A Scrolling Marquee
display is located on the front of the unit control box behind the
control box and compressor access door. These units may be
controlled directly by a thermostat, directly by a space temper-
ature sensor, or indirectly through other Carrier Comfort
Network® (CCN) communication devices. To ensure complete
unit shut off, use the ComfortLink Control procedures in this
book.
display is located on the front of the unit control box behind the
control box and compressor access door. These units may be
controlled directly by a thermostat, directly by a space temper-
ature sensor, or indirectly through other Carrier Comfort
Network® (CCN) communication devices. To ensure complete
unit shut off, use the ComfortLink Control procedures in this
book.
WARNING: If the information in this manual
is not followed exactly, a fire or explosion
may result causing property damage, per-
sonal injury or loss of life.
is not followed exactly, a fire or explosion
may result causing property damage, per-
sonal injury or loss of life.
— Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
vicinity of this or any other appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do
• Do not touch any electrical switch; do
not use any phone in your building.
• Immediately call your gas supplier
from a neighbor’s phone. Follow the
gas supplier’s instructions.
gas supplier’s instructions.
• If you cannot reach your gas supplier,
call the fire department.
— Installation and service must be per-
formed by a qualified installer, service
agency or the gas supplier.
agency or the gas supplier.
Improper installation, adjustment, alteration, ser-
vice or maintenance can cause injury or property
damage. Refer to this manual. For assistance or
additional information consult a qualified installer,
service agency, or the gas supplier.
vice or maintenance can cause injury or property
damage. Refer to this manual. For assistance or
additional information consult a qualified installer,
service agency, or the gas supplier.
Before performing recommended maintenance, be sure
main power switch to unit is turned off and lockout tag is
installed. Electrical shock could cause personal injury.
main power switch to unit is turned off and lockout tag is
installed. Electrical shock could cause personal injury.
Burners will light automatically. Do not attempt to light by
hand; personal injury may result.
hand; personal injury may result.
48PG03-16
Gas Heating/Electric Cooling Units
with PURON® (R-410A) Refrigerant