Carrier 48HJF005 User Manual

Copyright 1999 Carrier Corporation Form 48HJ-11PD
Carrier has designed the Weather-
master series based on customer
needs and requests to be the most
efficient and reliable rooftop unit ever
made.
Features/Benefits
• Most efficient rooftop line for
cooling using scroll compressor
technology
• Most efficient rooftop line for
heating using dimpled heat
exchangers on all units
• High reliability — non-corrosive
condensate pans, prepainted
cabinets and primed interior
panels, and all units are fully
protected by internal safeties
• Quietest operation — all
compressors mounted on
independent vibration isolators.
Standard, belt-driven evaporator
fan motors on all units
• Ease of maintenance achieved by
self diagnostics on the Integrated
Gas Controller (IGC), optional
direct digital controls, standard
size filters, tool-less filter access,
simple compressor access,
permanently lubricated fan
motors, optional disconnect
switch, optional 115-v
convenience outlet, and optional
hinged access panels
• Exclusive MoistureMiser
dehumidification package — a
result of recent advances by
Carrier in controlling comfort
levels. This factory-installed
option significantly improves the
dehumidification capability of the
rooftop unit and helps control
humidity levels in the building.
48HJD/HJE/HJF
Single-Package Rooftop Units
High-Efficiency Electric Cooling/
Gas Heating
3 to 12
1
/
2
Nominal Tons
Product
Data
48HJ004-007
48HJ008-014

Carrier 48HJF005 Specifications

General

Model	48HJF005
Type	Heat Pump
Voltage	208/230
Phase	1
Compressor Type	Scroll
Refrigerant	R-410A

Summary

Features/Benefits

Easy maintenance and installation

Details ease of installation, conversion, and access to components.

Quiet, efficient operation and dependable performance

Highlights features contributing to quiet operation and reliability.

Serviceability

Model number nomenclature

ARI* capacities

HEATING CAPACITIES AND EFFICIENCIES

Presents heating input, output, AFUE, and efficiency ratings for various models.

Physical data

Options and accessories

LOW AMBIENT CONTROLS

Unit Controls and Components

Economizer System Options

Selection procedure

Selection procedure (cont)

Guides users through calculating loads and selecting appropriate units.

Electrical data

Electrical data (cont)

Lists electrical specifications including voltage, amps, and circuit protection.

Performance data

Cooling Capacities

Presents total and sensible cooling capacities under various conditions.

Fan Performance

Provides fan speed and power data based on airflow and static pressure.

Motor Data

Controls

Unit Operating Sequences

Explains the operational logic for cooling and heating modes.

System Types

Guide specifications

Part 1 - General

Part 2 - Products

Heating Section