Carrier 48TF004-007 Sat, Cap, Sen, SW1, Comp, SW2, SW3, SW4, Econ, Eps, Tdr, Equip, Tran, Fpt

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LEGEND FOR FIG. 53 — TYPICAL WIRING SCHEMATIC AND COMPONENT ARRANGEMENT

IMPORTANT: Refer to unit wiring label for actual unit wiring information.

AHA

Adjustable Heat Anticipator

RS

Rollout Switch

C

Contactor, Compressor

SAT

Supply Air Thermostat

CAP

Capacitor

SEN

Sensor

CC

Cooling Compensator

SW1

Switch Fully Open

COMP

Compressor Motor

SW2

Switch Fully Closed

D

Diode

SW3

Switch Min. Vent Position

EC

Enthalpy Control

SW4

Switch Max. Vent Position

ECON

Economizer

TC

Thermostat-Cooling

EPS

Emergency Power Supply

TDR

Time-Delay Relay

 

 

(Nine Volt Battery)

TH

Thermostat-Heating

EQUIP

Equipment

TRAN

Transformer

ER

Economizer Relay

 

 

Field Splice

FPT

Freeze Up Protection Thermostat

 

 

 

FU

Fuse

 

 

Marked Wire

GND

Ground

 

 

Terminal (Marked)

HPS

High-Pressure Switch

 

 

HS

Hall-Effect Sensor

 

 

Terminal (Unmarked)

I

Ignitor

 

 

 

 

 

IDM

Induced-Draft Motor

 

 

Terminal Block

IFC

Indoor Fan Contactor

 

 

 

IFM

Indoor (Evaporator) Fan Motor

 

 

Splice

IGC

Integrated Gas Unit Controller

 

 

Splice (Marked)

LPS

Low-Pressure/Loss-of-Charge Switch

 

 

LS

Limit Switch

 

 

Factory Wiring

MGV

Main Gas Valve

 

 

 

 

 

MTR

Motor

 

 

Field Control Wiring

OAT

Outdoor-Air Thermostat

 

 

Field Power Wiring

OFM

Outdoor (Condenser) Fan Motor

 

 

OLR

Overload Relay

 

 

Accessory or Optional Wiring

PL

Plug Assembly

 

 

 

 

To indicate common potential only;

QT

Quadruple Terminal

 

 

 

 

not to represent wiring.

R

Relay

 

 

 

 

 

NOTES:

1.If any of the original wire furnished must be replaced, it must be replaced with type 90 C wire or its equivalent.

2.Three-phase motors are protected under primary single-phasing conditions.

3.Thermostat: HH07AT170, 172, 174 and P272-2783 Subbase: HH93AZ176, 178 and P272-1882, 1883.

4.Set heat anticipator at .14 amp. For units with 2 stages of heating, set stage two anticipator at

.14 amp.

5.Use copper conductors only.

6.TRAN is wired for 230-v unit. If unit is to be run with 208-v power supply, disconnect BLK wire from 230-v tap (ORN) and connect to 208-v tap (RED). Insulate end of 230-v tap.

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Contents Installation, Start-Up, Service Instructions Rig and Place Unit Inspect unit for Field Fabricate Ductwork Secure allRoof Curb Dimensions Install Gas Piping Unit is equipped for Install Flue Hood Flue hood is shippedUnit Size 48TF Physical Data 48TF004-007Furnace Section Base Unit Dimensions Steel Pipe Nominal Diameter Make Electrical ConnectionsFeet Or largerAHA Terminal BlockSupply Size Electrical DataType FLA RLA LRAPosition Setting Make Outdoor-Air Adjustments and Install Outdoor-Air HoodTypical Access Panel Locations Horizontal Discharge Block-Off Plate Wiring Connections for Outdoor-Air Thermostat Completed Hood Assembly EconoMi$er Wiring Wiring Diagram for Power Exhaust System Settings Default Potentiometer Settin gsPotentiometer Default Setting CO2 SP PPM Chan geover Set PointsDirect Drive Motor Mounting Adjust Evaporator-Fan Speed AdAccessory/FIOP Static Pressure* in. wg 48TF004-007 Fan Rpm at Motor Pulley SettingsMotor Data 48TF004 3 Tons Alternate Motor Belt Drive 48TF004 3 Tons Standard Motor Direct Drive48TF005 4 Tons Standard Motor Direct Drive 48TF004 3 Tons HIGH-STATIC Motor Belt Drive48TF005 4 Tons Alternate Motor Belt Drive 48TF006 5 Tons Alternate Motor Belt Drive 48TF006 5 Tons Standard Motor Direct Drive48TF006 5 Tons HIGH-STATIC Motor Belt Drive 48TF007 6 Tons Standard Motor Belt Drive 48TF007 6 Tons HIGH-STATIC Motor Belt Drive 149 109189 2291064 10281005 93848TF005 4 Tons Alternate Motor Belt Drive 48TF005 4 Tons HIGH-STATIC Motor Belt Drive 1700 811 494 865 567 1600 770 420 826 4831800 852 578 1900 894 5671600 826 483 931 641 1020 788 1101 956 1178 12211252 1700 865 567 966 725 1051 883 1133 1061 1205928 700 982 779 885 623 942 700971 787 1022 867 1015 891 1063 9982000 1022 867 1121 1014 1188 1097 1254 1216 1900 982 779 1084 932 1160 1006 1223 11142100 1063 998 1140 1064 1196 1272 1292 2200 1104 1081 1159 1106 1229 1258Altitude Compensation HeatingBtuh Nominal Nominal InputPage Service Lubrication Economizer Adjustment Refer to Optional EconoTON Unit Charging Chart TON Unit 60 Hz Charging Chart Cooling Charging Chart, 48TF006LED Indication Error Code Description LED Error Code DescriptionOFF FlashesBurner Tray Details Heating Service Analysis LED Error Code Service AnalysisProblem Cause Remedy LED OFFCooling Service Analysis IFC Durablade Economizer TroubleshootingEconoMi$er Troubleshooting Typical Wiring Diagram and Component Arrangement CAP SATSEN SW1Copyright 2000 Carrier Corporation Page Preliminary Information Remove and Use in Job File

48TF004-007 specifications

The Carrier 48TF004-007 is part of the brand's renowned rooftop unit series, designed to deliver efficient, reliable performance for commercial applications. Ideal for spaces such as offices, retail stores, and small manufacturing facilities, these units encapsulate advanced technology to enhance indoor air quality and optimize climate control.

One of the standout features of the Carrier 48TF004-007 units is their variable speed compressor technology. This innovation not only allows for precise temperature control but also reduces energy consumption by modulating the compressor's speed according to the cooling or heating demand. By operating at lower speeds during less demanding conditions, these units significantly decrease energy usage compared to traditional single-speed compressors, contributing to lower utility bills and a reduced carbon footprint.

Energy efficiency is further enhanced with the inclusion of high-performance scroll compressors, which are known for their reliable operation and quiet performance. Coupled with an Energy Efficiency Ratio (EER) that meets or exceeds industry standards, these systems are designed to offer economical operation without sacrificing comfort.

Incorporating smart controls and connectivity features, the Carrier 48TF004-007 units allow for easy integration into building management systems (BMS). This enhances the ability to monitor and manage energy usage in real time, further promoting efficiency. The units are also compatible with various thermostat options, allowing for user-friendly operation and customization of settings.

Another significant characteristic of the Carrier 48TF004-007 is its durable construction. Built with galvanized steel and powder-coated finishes, these units are designed to withstand the rigors of outdoor installation, ensuring long-lasting performance even in harsh weather conditions. Additionally, the units come equipped with advanced filtration systems that help improve indoor air quality by effectively removing dust, allergens, and other particulate matter from the air.

Maintenance is simplified with the Carrier 48TF004-007, providing easy access to vital components, which supports reduced downtime and service costs. The units also feature low operating sound levels, making them suitable for noise-sensitive applications.

In conclusion, the Carrier 48TF004-007 rooftop units stand out for their energy efficiency, advanced technology, durability, and ease of maintenance, making them an excellent choice for any commercial space looking to enhance comfort while effectively managing operational costs.