Carrier 48HJ020-028- User Manual
Carrier 48HJ020-028– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – 8 Series — gas heat models; Table of contents
- Page 3 – Proven compressor reliability
- Page 6 – Model number nomenclature; Quality Assurance
- Page 7 – ARI* capacity ratings
Copyright 2004 Carrier Corporation
Form 48H,T-6PD
Standard-Efficiency (TM) units
meet minimum ASHRAE 90.1 ener-
gy efficiency requirements. High-
Efficiency (HJ) units well exceed
ASHRAE 90.1 energy efficiency
requirements. Gas heating with
electric cooling rooftop units offer:
• Pre-painted galvanized steel cabinet
for long life and quality appearance
• Commercial strength base rails with
built-in rigging capability
• Convertible design for vertical or hori-
zontal supply/return (004-014 only)
• Non-corrosive, sloped condensate
drain pan, meets ASHRAE 62 (IAQ)
• Two-inch return-air filters
• A wide assortment of factory-installed
options available, including high-static
drives that provide additional
performance range
• Optional factory-installed COBRA™
energy recovery unit (option on
48HJ004-014 units only)
• Factory-installed PremierLink™
digital communicating controls
• Factory-installed optional gear driven
EconoMi$er IV (ver tical return for
sizes 004-012 only) for use with
standard rooftop unit controls
(includes CO
2
sensor control
capability)
• Factory-installed optional gear driven
EconoMi$er2 (vertical return only) for
use with PremierLink DDC controls
(includes 4 to 20 mA actuator for
demand control ventilation)
• Humidi-MiZer™ adaptive dehumidi-
fication system (48HJ004-014)
• MoistureMi$er™ dehumidification
package
Heat Options
• Exclusive integrated gas control
board with diagnostics
• Alumagard™ heat exchanger coating
• Induced-draft fan for gas combustion
• Tubular, dimpled heat exchangers
• Natural gas
• LP conversion kits
• Low NO
X
(size 004-006 only)
• Optional stainless steel heat
exchangers.
WEATHERMAKER® 48TM004-028
WEATHERMASTER® 48HJ004-028
Single-Package Rooftop Units
Gas Heating/Electric Cooling
3 to 25 Nominal Tons
Product
Data
48HJ004-014
48TM004-014
48HJ015,017
48TM016-025
48TM028
905
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Summary
2 Features/Benefits Every compact one-pieceunit arrives fully assembled,charged, tested, and ready torun. 48 Series — gas heat models All ignition components are contained in the compact IGC (integrated gas controller) which is easily accessible for servicing. The IGC control board, de-signed and ma...
3 system. The inducer fan draws hot combustion gas through the heatexchanger at the optimum rate for the most effective heat transfer. The heat exchanger operates under negative pressure, preventing flue gas leakage into the indoor supply air. During the Heating mode, the evaporator-fan relay automa...
6 48TM004-014 Model number nomenclature Coil Protection Options (fin/tube) – – Al/Cu Cond & Evap (Standard Unit) B – Cu/Cu Cond & Evap C – Cu/Cu Cond & Al/Cu Evap F – E-Coat Al/Cu Cond & Al/Cu Evap G – E-Coat Cu/Cu Cond & Al/Cu Evap V – Al/Cu Pre-Coat Cond Fin & Al/Cu Evap Ca...
