Carrier P3 - Manual

Carrier P3

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Table of Contents:

  • Page 9 – Table 7 — Power Exhaust Fan Drive Data; Table 8 — Optional High-Capacity Power Exhaust Fan Drive Data
  • Page 16 – Step 8 — Connect Condensate Drain —
  • Page 17 – ALL PANEL
  • Page 19 – Fig. 11 — Weight Distribution and Center of Gravity
  • Page 31 – Fig. 23 — Primary Drain Connection
  • Page 32 – Fig. 27 — Secondary Drain Seal Plate; Fig. 29 — Outdoor-Air and Economizer Hood
  • Page 34 – PE VFD —; Fig. 37 — Large Economizer Hood Assembly
  • Page 35 – DISCONNECT SIZE
  • Page 36 – Fig. 38 — Disconnect Location — Size 030 and 035 Units; CAUTION
  • Page 37 – Fig. 43 — Field Power Wiring Connections
  • Page 58 – Step 13 — Connect Air Pressure Tubing —
  • Page 59 – Fig. 46 — Auxiliary Control Box Details
  • Page 60 – Fig. 48 — Auxiliary Control Box Details
  • Page 61 – Step 16 — Connect Gas Piping —; Fig. 52 — Optional Return
  • Page 62 – Fig. 53 — Gas Piping Details; Low Heat, Vertical Supply Units
  • Page 63 – Low Heat, Horizontal Supply Units
  • Page 64 – Table 26 — Flue Hood, Inlet Hood, and Baffle Usage; Modulating High Heat, Vertical and
  • Page 65 – Fig. 64 — Mounting Deflector Hoods
  • Page 66 – Table 27 — SGC Thermistor Designations; Step 20 — Install Optional Motormaster
  • Page 67 – Fig. 70 — Wind Baffle Details; UNIT SIZE; BAFFLE INSTALLATION LOCATION (SIZES 050 AND 060 SHOWN)
  • Page 68 – Comfort; Option and Accessory Control Wiring —
  • Page 69 – Fig. 71 — Field Control Thermostat Wiring; Fig. 73 — Space Temperature Averaging Wiring
  • Page 70 – Fig. 74 — Heat Interlock Relay Wiring
  • Page 71 – RED; Fig. 78 — Fan Status Switch Wiring
  • Page 72 – MBB; BLU; Fig. 81 — Return Air Smoke Detector Wiring
  • Page 73 – Carrier Comfort Network; Table 28 — CCN Connection Approved
  • Page 74 – Table 29 — MS/TP Wiring Recommendations
  • Page 75 – Fig. 85 — UPC Open Controller
  • Page 76 – Table 31 — Smoke Control Modes
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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Catalog No. 04-53480079-01

Printed in U.S.A.

Form 48P-4SI

Pg 1

11-10

Replaces: 48P-3SI

Installation Instructions

CONTENTS

Page

GENERAL

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

SAFETY CONSIDERATIONS

. . . . . . . . . . . . . . . . . . . . . 1,2

INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-68

Step 1 — Jobsite Survey

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

Step 2 — Place Unit

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

Step 3 — Roof Mount Unit

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

Step 4 — Slab Mount Unit

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

Step 5 — Install Curb Gasketing

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

Step 6 — Install Field-Fabricated Ductwork

. . . . . . 2

Step 7 — Rig Unit

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

Step 8 — Connect Condensate Drain

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

Step 9 — Install Outdoor Hoods (Units without
Optional High-Capacity Power Exhaust)

. . . . . . 32

• UNIT SIZES 030-050

• UNIT SIZES 055-100

Step 10 — Install Economizer Hoods (Units with
Optional High-Capacity Power Exhaust)

. . . . . . 33

• INSTALL SMALL HOODS

• INSTALL LARGE HOODS

Step 11 — Route Field Wiring

. . . . . . . . . . . . . . . . . . . 35

• UNIT SIZES 030-060

• UNIT SIZES 070-100

Step 12 — Make Field Electrical Connections

. . . 35

• POWER WIRING

Step 13 — Connect Air Pressure Tubing

. . . . . . . . 58

• VARIABLE FRQUENCY DRIVE

• MODULATING POWER EXHAUST

• RETURN FAN POWER EXHAUST

Step 14 — Remove Supply-Fan Shipping
Brackets

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Step 15 — Remove Optional Return-Fan
Shipping Brackets

. . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Step 16 — Connect Gas Piping

. . . . . . . . . . . . . . . . . . 61

Step 17 — Configure Optional Staged Gas
Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Step 18 — Install Flue/Inlet Hoods and Baffles

. . 62

Step 19 — Install Supply-Air Thermistors

(Staged and Modulating Gas Units Only)

. . . . . 62

Step 20 — Install Optional Motormaster

®

V

Control

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Step 21 — Install Unit Accessories

. . . . . . . . . . . . . . 68

CONTROLS INSTALLATION

. . . . . . . . . . . . . . . . . . 68-76

Constant Volume Units

. . . . . . . . . . . . . . . . . . . . . . . . . . 68

• CONTROL WIRING

Variable Air Volume (VAV) Units

. . . . . . . . . . . . . . . . . 68

Optional and Accessory Control Wiring

. . . . . . . . . 68

Carrier Comfort Network

®

(CCN) Interface

. . . . . . . 73

Optional UPC Open Installation

. . . . . . . . . . . . . . . . . 74

Smoke Control Modes

. . . . . . . . . . . . . . . . . . . . . . . . . . . 74

GENERAL

This installation instruction contains basic unit installation

information, including installation of thermostats and remote

temperature sensors.

For additional information and service instructions, refer to

the Controls and Troubleshooting literature.

A factory-installed optional integral economizer and high-

capacity power exhaust is available on size 075-100 units.

A factory-installed optional return fan is available on size

075-100 units.

The staged gas control (SGC) option adds the capability to

control the rooftop unit’s gas heating system to a specified

supply-air temperature set point for purposes of tempering a

cool mixed-air condition.

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

install, 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 per-

sonnel. When working on air-conditioning equipment, observe

precautions in the literature, tags and labels attached to the unit,

and other safety precautions that may apply.

Follow all safety codes, including ANSI (American Nation-

al Standards Institute) Z223.1. Wear safety glasses and work

gloves. Use quenching cloth for unbrazing operations. Have

fire extinguisher available for all brazing operations.

WARNING

Before performing service or maintenance operations on

unit, turn off main power switch to unit. Electrical shock

could cause personal injury.

FOR YOUR SAFETY

WHAT TO DO IF YOU SMELL GAS

Do not try to light any appliance. Do not touch any electri-

cal switch; do not use any phone in your building. Immedi-

ately 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.

FOR YOUR SAFETY

Do not store or use gasoline or other flammable vapors and

liquids in the vicinity of this or any other appliance.

WARNING

Improper installation, adjustment, alteration, service, or

maintenance can cause injury or property damage. Refer to

this manual. For assistance or additional information, con-

sult a qualified installer, service agency, or the gas supplier.

WEATHERMASTER

®

48P2,P3,P4,P5030-100

Single Package Gas Heating and Electric Cooling Units

with Direct Spark Ignition and

COMFORT

LINK™ Controls

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Summary

Page 9 - Table 7 — Power Exhaust Fan Drive Data; Table 8 — Optional High-Capacity Power Exhaust Fan Drive Data

9 Table 7 — Power Exhaust Fan Drive Data *High-efficiency motor option. †Premium-efficiency motor option. **Applies to both motor options. NOTE: Part numbers are Browning Manufacturing Corp. reference. Table 8 — Optional High-Capacity Power Exhaust Fan Drive Data Table 9 — Optional Return Fan Drive ...

Page 16 - Step 8 — Connect Condensate Drain —

16 Step 8 — Connect Condensate Drain — There are a total of five drain connections required on each unit: one primary drain (on right-hand side of the unit) and four second- ary drains (two on each side of unit).PRIMARY DRAIN — The primary drain is a 2-in. FPT pipe connection located on the right-ha...

Page 17 - ALL PANEL

17 4 8 ZZ501077 2.0 NOTE: Ri g with four cable s and s pread with two 95 inch (241 3 MM) s preader bar s . ALL PANEL S MU S T BE IN PLACE WHEN RIGGING. CAUTION - NOTICE TO RIGGERS: 1,2,3 4 5 LBS KGS IN MM IN MM IN MM 48P 2,3,4,5 B,D,H 48 P2, P3, P4, P5 030 6019 2730 170.6 4334 45.8 1164 166.4 4227 V...

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