Carrier 48PG03---16 User's Information Manual
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Carrier 48PG03---16 User's Information Manual

Carrier 48PG03---16 User's Information Manual

Gas heating/electric cooling units with puron (r-410a) refrigerant
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User's Information Manual
NOTE TO INSTALLER:
This manual should be left with the equipment owner.
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.
- Do not store or use gasoline or other
flammable vapors and liquids in the
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
not use any phone in your building.
• Immediately call your gas supplier
from a neighbor's phone. Follow the
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.
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.
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.
Your combination heating/cooling unit is equipped with di-
rect spark ignition and induced draft power combustion blower.
Burners will light automatically. Do not attempt to light by
hand; personal injury may result.
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
Book 1
4
Tab
1a 6a
Gas Heating/Electric Cooling Units
with PURON® (R-410A) Refrigerant
DETERMINE TYPE OF UNIT CONTROL . . . . . . . . . . . . . . 1
TO LIGHT UNIT (Units with Electro-Mechanical
Control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
TO LIGHT UNIT (Units with Comfort Link™
Control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Electro-Mechanical Control). . . . . . . . . . . . . . . . . . . . . . . 5
TO SHUT UNIT OFF (Units with Comfort Link
Control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
MAINTAINING YOUR UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Air Filter(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Integrated Gas Controller (IGC) . . . . . . . . . . . . . . . . . . . . . 9
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
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.
Electro-Mechanical Control -
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.
Comfort Link Control -
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.
Printed in U.S.A.
Form 48PG-5SO
48PG03-16
CONTENTS
These units may be
These units have a factory-
Pg 1
8-05
Replaces: 48PG-4SO
Page

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Summary of Contents for Carrier 48PG03---16

  • Page 1: Table Of Contents

    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.

  • Page 2: To Light Unit

    TO LIGHT UNIT (Units with Electro-Mechanical Control) 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.
  • Page 3 MAIN STEP 1 STEP 2 STEP 3 STEP 4 STEP 5 STEP 6 STEP 7 STEP 9 STEP 8 STEP 10 Fig. 2 — To Light Unit (Units with Electro-Mechanical Control)
  • Page 4 MODE Run Status Service Test Temperature Pressures Setpoints Alarm Status Inputs Outputs ESCAPE ENTER Configuration Time Clock Operating Modes Alarms STEP 1 STEP 4 STEP 7 Fig. 3 — To Light Unit (Units with Comfort Link™ Control) STEP 2 STEP 5 STEP 8 MODE Run Status...

  • Page 5: To Shut Unit Off (Units With Electro-Mechanical Control)

    Step 8 — Remove lockout tag and turn on the electrical supply to unit. Normal operation will automatically begin. Service Test mode will automatically end (exit) after a recycle of power. Step 9 — Open the shutoff valve on the gas supply piping. Step 10 —...
  • Page 6 MAIN STEP 3 STEP 1 STEP 2 STEP 3 STEP 5 STEP 4 STEP 7 STEP 6 Fig. 4 — To Shut Unit Off (Units with Electro-Mechanical Control)
  • Page 7 MODE Run Status Service Test Temperature Pressures Setpoints Alarm Status Inputs Outputs ESCAPE ENTER Configuration Time Clock Operating Modes Alarms STEP 1 STEP 4 STEP 6 Fig. 5 — To Shut Unit Off (Units with Comfort Link™ Control) STEP 2 STEP 5 STEP 7 MAIN...

  • Page 8: Routine Maintenance And Care For The Equipment Owner

    Integrated Gas Control (IGC). The ComfortLink control active alarm codes and alarm history can be viewed with the Scrolling Marquee or other Carrier Comfort Network® (CCN) devices. Alarms may also be configured to broadcast automatically on CCN. If the unit will not operate...

  • Page 9: Integrated Gas Controller (Igc)

    and the Alarm Status LED is on, contact the local dealer and request service. Integrated Gas Controller (IGC) — incorporates an LED that emits a flashing light to indicate an alarm code. If the furnace section will not operate and the LED is flashing a code (1 to 9 flashes in succession), contact your dealer and request service.

  • Page 10: Regular Dealer Maintenance

    REGULAR DEALER MAINTENANCE In addition to the type of routine maintenance you might be willing to perform, your unit should be inspected regularly by a properly trained service technician. An inspection (preferably each year, but at least every other year) should include the following: 1.
  • Page 12 Copyright 2005 Carrier Corporation 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 12 8-05 Replaces: 48PG-4SO Book 1...

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