Carrier 48TM016-028 - Manual

Carrier 48TM016-028

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Table of Contents:

  • Page 2 – Instructions continued on page 11.; For horizontal return applications: The power exhaust and baro-; ACCESSORY; Horizontal Adapter
  • Page 5 – Fig. 3 — Rigging Details
  • Page 9 – Table 1 — Physical Data
  • Page 11 – are obtained from field-supplied; Fig. 9 — Concentric Duct Details
  • Page 12 – Step 7 — Orifice Change —; This unit is factory as-; *As the height above sea level increases, there is less oxygen per
  • Page 13 – VOLTAGE; LEGEND; Fig. 15 — Field Power Wiring Connections; EQUIP —; Equipment; GND; Ground; NEC; National Electrical Code; TB; Terminal Block; Fig. 14 — Field Gas Piping
  • Page 14 – THERMOSTAT ASSEMBLY; Fig. 16 — Field Control Thermostat Wiring
  • Page 15 – Table 5 — Electrical Data
  • Page 16 – Step 11 — Install Outdoor-Air Hood; Section Details
  • Page 17 – Step 12 — Install All Accessories —; Accessory 0° F Low Ambient Kit —; Fig. 22 — Wind Baffle Details; Fig. 23 — Motormaster® I Sensor Locations
  • Page 18 – Fig. 24 — Motormaster® V Control
  • Page 19 – Step 13 — Adjust Factory-Installed Options; Fig. 25 — PremierLink Controller
  • Page 20 – PremierLink
  • Page 21 – dry; AND; dry bulb
  • Page 22 – *Used with Differential Enthalpy Control only.
  • Page 23 – Fig. 30 — Differential Enthalpy Control Wiring
  • Page 24 – Sensor and Mounting Plate (33AMKITENT006); MOUNTING PLATE; Fig. 31 — Outdoor and Return Air Sensor Wiring
  • Page 25 – CFM
  • Page 26 – RUN
  • Page 29 – Fig. 41 — Enthalpy Changeover Set Points; Sensor Maximum Range Setting
  • Page 30 – Sensor Standard Settings
  • Page 31 – Fig. 45 — Typical MoistureMi$er Dehumidification; CB; Circuit Breaker; LLSV —; Liquid Line Solenoid Valve; LPS; TRAN —; Transformer
  • Page 32 – Fig. 46 — MoistureMi$erTM Dehumidification Operation Diagram; TXV; Thermostatic Expansion Valve
  • Page 33 – Unit Preparation —; must
  • Page 34 – Refer to page 39 for general Fan Performance Data notes.; Brake Horsepower
  • Page 39 – GENERAL NOTES FOR FAN PERFORMANCE DATA TABLES
  • Page 41 – Operating Sequence; Routine 1
  • Page 43 – Fig. 49 — Removing Heat Exchanger Ceramic
  • Page 44 – Multifak 2; and Adjustment; -in. bolt and threaded plate are included in the
  • Page 45 – Do not manually operate economizer; Refrigerant Charge —; BOTH CIRCUITS; Fig. 54 — Cooling Charging Chart
  • Page 47 – Fig. 56 — Spark Gap Adjustment
  • Page 49 – Fig. 58 — Typical Component Arrangement
  • Page 50 – LEGEND AND NOTES FOR FIG. 57 AND 58
  • Page 52 – Remove jumper from P to P1. Reconnect device at P and; Table 27 — Cooling Service Analysis; TXV —
  • Page 53 – Table 28 — Heating Service Analysis
  • Page 54 – Table 30 — EconoMi$erIV Input/Output Logic
  • Page 55 – IGC —; Integrated Gas Unit Controller
  • Page 57 – INDEX
  • Page 58 – SERVICE TRAINING; Packaged Service Training
  • Page 60 – ELECTRICAL
Loading the manual

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53480016-01

Printed in U.S.A.

Form 48TM-4SI

Pg 1

3-06

Replaces: 48TM-3SI

Book 1

4

Tab

1a 6a

Installation, Start-Up and Service Instructions

CONTENTS

Page

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . . . . . . 1

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32

Step 1 — Provide Unit Support

. . . . . . . . . . . . . . . . . . . . . 2

• ROOF CURB
• ALTERNATE UNIT SUPPORT

Step 2 — Rig and Place Unit

. . . . . . . . . . . . . . . . . . . . . . . 2

• POSITIONING
• ROOF MOUNT

Step 3 — Field Fabricate Ductwork

. . . . . . . . . . . . . . . 11

Step 4 — Make Unit Duct Connections

. . . . . . . . . . . 11

Step 5 — Install Flue Hood and Wind Baffle

. . . . . . 11

Step 6 — Trap Condensate Drain

. . . . . . . . . . . . . . . . . 11

Step 7 — Orifice Change

. . . . . . . . . . . . . . . . . . . . . . . . . .12

Step 8 — Install Gas Piping

. . . . . . . . . . . . . . . . . . . . . . .13

Step 9 — Make Electrical Connections

. . . . . . . . . . .13

• FIELD POWER SUPPLY
• FIELD CONTROL WIRING
• OPTIONAL NON-FUSED DISCONNECT
• OPTIONAL CONVENIENCE OUTLET

Step 10 — Make Outdoor-Air Inlet

Adjustments

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

• MANUAL OUTDOOR-AIR DAMPER

Step 11 — Install Outdoor-Air Hood

. . . . . . . . . . . . . .16

Step 12 — Install All Accessories

. . . . . . . . . . . . . . . 17

• MOTORMASTER® I CONTROL INSTALLATION
• MOTORMASTER V CONTROL INSTALLATION

Step 13 — Adjust Factory-Installed Options

. . . . . 19

• PREMIERLINK™ CONTROL
• ENTHALPY SWITCH/RECEIVER
• OUTDOOR ENTHALPY CONTROL
• DIFFERENTIAL ENTHALPY CONTROL
• OPTIONAL ECONOMI$ERIV AND ECONOMI$ER2
• ECONOMI$ERIV STANDARD SENSORS
• ECONOMI$ERIV CONTROL MODES

Step 14 — Install Humidistat for

Optional MoistureMi$er™ Package

. . . . . . . . . . . . 31

START-UP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33-43

SERVICE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43-50

TROUBLESHOOTING

. . . . . . . . . . . . . . . . . . . . . . . . . 51-56

INDEX

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

START-UP CHECKLIST

. . . . . . . . . . . . . . . . . . . . . . . . CL-1

SAFETY CONSIDERATIONS

Installation and servicing of air-conditioning equipment can

be hazardous due to system pressure and electrical compo-
nents. Only trained and qualified service personnel should in-
stall, repair, or service air-conditioning equipment.

Untrained personnel can perform basic maintenance func-

tions of cleaning coils and filters and replacing filters. All other
operations should be performed by trained service personnel.
When working on air-conditioning equipment, observe precau-
tions in the literature, tags and labels attached to the unit, and
other safety precautions that may apply.

Follow all safety codes. Wear safety glasses and work

gloves. Use quenching cloth for unbrazing operations. Have
fire extinguishers available for all brazing operations.

Before performing service or maintenance operations on
unit, turn off main power switch to unit. Electrical shock
could cause personal injury.

1. Improper installation, adjustment, alteration, service,

or maintenance can cause property damage, personal
injury, or loss of life. Refer to the User’s Information
Manual provided with this unit for more details.

2. 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:

1. DO NOT try to light any appliance.
2. DO NOT touch any electrical switch, or use any

phone in your building.

3. IMMEDIATELY call your gas supplier from a neigh-

bor’s phone. Follow the gas supplier’s instructions.

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

department.

Disconnect gas piping from unit when pressure testing at
pressure greater than 0.5 psig. Pressures greater than
0.5 psig will cause gas valve damage resulting in hazardous
condition. If gas valve is subjected to pressure greater than
0.5 psig, it

must

be replaced before use. When pressure

testing field-supplied gas piping at pressures of 0.5 psig or
less, a unit connected to such piping must be isolated by
closing the manual gas valve(s).

IMPORTANT: Units have high ambient operating limits. If
limits are exceeded, the units will automatically lock the
compressor out of operation. Manual reset will be required
to restart the compressor.

48TM016-028

Single-Package Rooftop Units

Electric Cooling/Gas Heating

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Summary

Page 2 - Instructions continued on page 11.; For horizontal return applications: The power exhaust and baro-; ACCESSORY; Horizontal Adapter

2 INSTALLATION Inspect unit for transportation damage. If damage is found, file any claim with the transportation agency. Step 1 — Provide Unit Support ROOF CURB — Assemble and install accessory roof curb orhorizontal adapter roof curb in accordance with instructionsshipped with this accessory. See ...

Page 5 - Fig. 3 — Rigging Details

5 NOTES:1. Dimensions in ( ) are in millimeters. 2. Refer to Fig. 4-6 for unit operating weights.3. Remove boards at ends of unit and runners prior to rigging.4. Rig by inserting hooks into unit base rails as shown. Use corner post from packaging to protect coil from damage. Use bumper boards for sp...

Page 9 - Table 1 — Physical Data

9 Table 1 — Physical Data LEGEND *The ZRU140KC compressor is a tandem compressor, consisting of a ZR72KC (25% total capacity) and a ZR68KC (24% total capacity). †Circuit 1 uses the lower portion of the condenser coil and lower portion of the evaporator coils; and Circuit 2 uses the upper portion of ...

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