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Carrier WeatherMaker 48TCD/E09 Series User Manual

Carrier WeatherMaker 48TCD/E09 Series
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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. 04-53480257-01 Printed in U.S.A. Form 48TC-7-16-02SI Pg 1 5-2020 Replaces: 48TC-7-16-01SI
Installation Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 2
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Rated Indoor Airflow (cfm) . . . . . . . . . . . . . . . . . . . . . 3
Pre-Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Step 1 — Plan f
or Unit Location . . . . . . . . . . . . . . . 16
ROOF MOUNT
Step 2 — Plan for Sequence of Unit Installation . . 17
CURB-MOUNTED INSTALLATION
PAD-MOUNTED INSTALLATION
FRAME-MOUNTED INSTALLATION
Step 3 — Inspect Unit . . . . . . . . . . . . . . . . . . . . . . . . 17
Step 4 — Provide Unit Support . . . . . . . . . . . . . . . . 17
ROOF CURB MOUNT
FOR SIZES 07-14 ONLY
SLAB MOUNT (HORIZONTAL UNITS ONLY)
ALTERNATE UNIT SUPPORT (IN LIEU OF CURB OR
SLAB MOUNT)
Step 5 — Field Fabricate Ductwork . . . . . . . . . . . . . 21
Step 6 — Rig and Place Unit . . . . . . . . . . . . . . . . . . 21
POSITIONING ON CURB
Step 7 — Convert to Horizontal and Connect
Ductwork (When Requir
ed) . . . . . . . . . . . . . . . . . 23
SIZES 07-14
SIZE 16
ALL UNITS
Step 8 — Install Outside Air Hood . . . . . . . . . . . . . . 24
ECONOMIZER AND TWO-POSITION DAMPER HOOD
PACKAGE REMOVAL (FACTORY OPTION SIZES 07-
14)
TWO-POSITION DAMPER HOOD REMOVAL
(FACTORY OPTION SIZE 16)
ECONOMIZER AND TWO-POSITION DAMPER HOOD
SETUP (SIZE 16)
Step 9 — Install Flue Hood . . . . . . . . . . . . . . . . . . . . 26
Step 10 — Install Gas Piping . . . . . . . . . . . . . . . . . . 26
FACTORY-OPTION THRU-BASE CONNECTIONS
(GAS CONNECTIONS) (SIZES 07-14)
FACTORY-OPTION THRU-BASE GAS CONNECTIONS
(SIZE 16)
ALL UNITS
Step 11 — Install External Condensate Trap and
Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Step 12 — Make Electrical Connections . . . . . . . .
.30
FIELD POWER SUPPLY (SIZES 07-14)
FIELD POWER SUPPLY (SIZE 16)
ALL UNITS
UNITS WITH FACTORY-INSTALLED NON-FUSED
DISCONNECT
UNITS WITHOUT FACTORY-INSTALLED NON-
FUSED DISCONNECT
ALL UNITS
CONVENIENCE OUTLETS
ALL UNITS
FACTORY-OPTION THRU-BASE CONNECTIONS
(ELECTRICAL CONNECTIONS) (SIZE 07-14)
FACTORY-OPTION THRU-BASE CONNECTIONS
(ELECTRICAL CONNECTIONS) (SIZE 16)
HUMIDI-MIZER® CONTROL CONNECTIONS
EconoMi$er® X (Factory-Installed Option) . . . . . . .41
PRODUCT DESCRIPTION
SYSTEM COMPONENTS
SPECIFICATIONS
INPUTS
OUTPUTS
ENVIRONMENTAL
ECONOMIZER MODULE WIRING DETAILS
S-BUS SENSOR WIRING
CO2 SENSOR WIRING
INTERFACE OVERVIEW
USER INTERFACE
KEYPAD
MENU STRUCTURE
SETUP AND CONFIGURATION
TIME-OUT AND SCREENSAVER
ENTHALPY SETTINGS
TWO-SPEED FAN OPERATION
CHECKOUT
TROUBLESHOOTING
PremierLink™ Control . . . . . . . . . . . . . . . . . . . . . . . .54
RTU Open Control System . . . . . . . . . . . . . . . . . . . .54
SMOKE DETECTORS
COMPLETING INSTALLATION OF RETURN-AIR
SMOKE SENSOR
ADDITIONAL APPLICATION DATA
Step 13 — Adjust Factory-Installed Options . . . . . .55
SMOKE DETECTORS
48TC*D/E units for installation in the United States contain use of Carrier's Staged Air Volume (SAV™) 2-speed
indoor fan control system. This complies with the U.S. Department of Energy (DOE) efficiency standard of 2018.
48TC*D/E units for installation outside the United States
may or may not contain Carrier's Staged Air Volume
(SAV) 2-speed indoor fan control system as they are not required to comply with the U.S. Department of
Energy (DOE) 2018 mandatory efficiency standard.
48TC*M units for installation inside or outside the United States
do not contain use of Carrier’s Staged Air
Volume (SAV) 2-speed indoor fan motor control system as they comply with the U.S. Department of Energy
(DOE) 2018 mandatory efficiency standard without their use.
For specific details on operation of the Carrier SAV 2-speed indoor fan system refer to the Variable Frequency
Drive (VFD) Factory-Installed Option 2-Speed Motor Control Installation, Setup, and Troubleshooting manual.
WeatherMaker
®
48TC 07-16
Single Package Rooftop with
Gas Heat/Electric Cooling

Table of Contents

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Carrier WeatherMaker 48TCD/E09 Series Specifications

General IconGeneral
Model48TCD/E09 Series
SeriesWeatherMaker
RefrigerantR-410A
Voltage208/230V
Phase1
TypeAir Conditioner
Cooling Capacity2.5 to 5 Tons
Heating CapacityNo heating capacity (Cooling only models)
Compressor TypeScroll Compressor
DimensionsVaries depending on the specific model. Refer to the product data sheet for specific dimensions.
WeightVaries depending on the specific model. Refer to the product data sheet for specific weight.
Sound Pressure Level (Outdoor)Varies depending on the specific model. Refer to the product data sheet for specific sound levels.
Unit Dimensions (Outdoor)Varies depending on the specific model. Refer to the product data sheet for specific dimensions.
Unit Weight (Outdoor)Varies depending on the specific model. Refer to the product data sheet for specific weight.

Summary

SAFETY CONSIDERATIONS

INSTALLATION

Step 1 - Plan for Unit Location

Planning the unit's location and required clearances.

Step 2 - Plan for Sequence of Unit Installation

Determining the installation sequence based on unit mounting.

Step 6 - Rig and Place Unit

Procedures for lifting and positioning the unit.

Step 10 - Install Gas Piping

Connecting the unit to the gas supply.

Step 11 - Install External Condensate Trap and Line

Installing the external condensate trap and drain line.

Step 12 - Make Electrical Connections

Connecting the unit's electrical power supply.

FIELD POWER SUPPLY (SIZES 07-14)

Instructions for connecting field power supply for specific unit sizes.

Step 13 - Adjust Factory-Installed Options

Configuring factory-installed options on the unit.

UNITS WITH FACTORY-INSTALLED NON-FUSED DISCONNECT

UNITS WITHOUT FACTORY-INSTALLED NON-FUSED DISCONNECT

CONVENIENCE OUTLETS

FACTORY-OPTION THRU-BASE CONNECTIONS (ELECTRICAL CONNECTIONS) (SIZE 07-14)

Details on factory-installed thru-base electrical connection kits for specific unit sizes.

Field Control Wiring

HUMIDI-MIZER® CONTROL CONNECTIONS

EconoMi$er® X (Factory-Installed Option)

INTERFACE OVERVIEW

TROUBLESHOOTING

Alarms

How alarm messages are displayed and accessed on the economizer module.

Clearing Alarms

Procedure for clearing active alarms after resolving the issue.

PremierLink™ Control

RTU Open Control System

SMOKE DETECTORS

COMPLETING INSTALLATION OF RETURN-AIR SMOKE SENSOR

Steps to complete the installation of the return-air smoke detector.

Pre-Start and Start-Up

Troubleshooting the Ultra Tech™ Compressor

Guidance on troubleshooting issues with the Ultra Tech compressor.

START-UP CHECKLIST

II. PRE-START-UP VERIFICATIONS

Verifications to perform before the unit is powered on.

III. START-UP PROCEDURES

Steps for powering up and performing initial checks on the unit.

ELECTRICAL START-UP CHECKS

Checks related to supply voltage and compressor/fan amps.

PRESSURES

REFRIGERANT SUCTION PRESSURE

Recording suction pressure for refrigerant circuits A and B.

REFRIGERANT DISCHARGE PRESSURE

Recording discharge pressure for refrigerant circuits A and B.

HUMIDI-MIZER® START-UP

HUMIDI-MIZER START-UP STEPS

Key steps for initiating Humidi-Mizer system operation.

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