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Carrier 48HC 04-28 User Manual

Carrier 48HC 04-28
144 pages
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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. 0453480236-01 Printed in U.S.A. Form 48/50HC-05T Pg 1 7-19 Replaces: 48/50HC-04T
Controls, Start-Up, Operation and
Troubleshooting
TABLE OF CONTENTS
PAGE
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 3
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
BASIC CONTROL USAGE . . . . . . . . . . . . . . . . . . . . . 4
ComfortLink Control . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Scrolling Marquee . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Accessory Navigator™ Display . . . . . . . . . . . . . . . . . 4
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
System Pilot™ and Touch Pilot™ Devices . . . . . . . . 6
CCN Tables and Display . . . . . . . . . . . . . . . . . . . . . . . 6
Force Hierarchy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Generic Status Display Table . . . . . . . . . . . . . . . . . . . 6
Conventions Used in This Manual . . . . . . . . . . . . . . . 7
START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Unit Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Compressor Mounting . . . . . . . . . . . . . . . . . . . . . . . . 7
Refrigerant Service Ports . . . . . . . . . . . . . . . . . . . . . . 7
Crankcase Heater(s) . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Compressor Rotation . . . . . . . . . . . . . . . . . . . . . . . . . 7
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Internal Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Evaporator Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
48/50HC 04-06 UNITS WITH DIRECT DRIVE FANS
BELT DRIVE UNITS
BELT DRIVE UNITS WITH A VFD
Condenser Fans and Motors . . . . . . . . . . . . . . . . . . . 8
Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Outdoor-Air Inlet Screens . . . . . . . . . . . . . . . . . . . . . 8
Accessory Installation . . . . . . . . . . . . . . . . . . . . . . . . 8
Orifice Change (48HC) . . . . . . . . . . . . . . . . . . . . . . . . 8
Gas Heat (48HC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Units with EnergyX® System . . . . . . . . . . . . . . . . . . 10
BASE UNIT EVAPORATOR FAN
START-UP CHECK LIST
•ERV TEST MODE
ERV CONFIGURATION
ERV WITH ECONOMIZER ADDITIONAL
CONFIGURATIONS
ADJUSTING ERV OPTIONS
CONTROLS QUICK SET-UP . . . . . . . . . . . . . . . . . . . 11
Control Set Point and Configuration Log . . . . . . . . 11
Thermostat Control . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Space Temperature Sensor Control - Direct
Wired (T-55 or T-56 or T-59) . . . . . . . . . . . . . . . . . 11
T-58 Communicating Room Sensor . . . . . . . . . . . . 12
CCN Linkage Control . . . . . . . . . . . . . . . . . . . . . . . . 12
System Pilot™ - Communication Space Sensor . . 12
Thermidistat Control . . . . . . . . . . . . . . . . . . . . . . . . . 12
Space Humidistat Control . . . . . . . . . . . . . . . . . . . . .12
Relative Humidity Sensor Control . . . . . . . . . . . . . .12
CCN Communication . . . . . . . . . . . . . . . . . . . . . . . . .12
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
ECONOMIZER
POWER EXHAUST
ELECTRIC HEAT
FIRE SHUTDOWN
OUTDOOR ENTHALPY
•IAQ SWITCH
IAQ SENSOR
OAQ SENSOR
FAN STATUS
FILTER STATUS
Programming Operating Schedules . . . . . . . . . . . . .13
SERVICE TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Independent Outputs . . . . . . . . . . . . . . . . . . . . . . . . .15
Fan Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Cooling Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Humidi-MiZer® Test . . . . . . . . . . . . . . . . . . . . . . . . . .15
Heating Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
THIRD PARTY CONTROL . . . . . . . . . . . . . . . . . . . . .16
Cooling/Heating Control . . . . . . . . . . . . . . . . . . . . . .16
Dehumidification Control . . . . . . . . . . . . . . . . . . . . .16
Remote Occupancy . . . . . . . . . . . . . . . . . . . . . . . . . .16
Fire Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Alarm Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Economizer Damper Control . . . . . . . . . . . . . . . . . .16
CONTROLS OPERATION . . . . . . . . . . . . . . . . . . . . .16
Display Configuration . . . . . . . . . . . . . . . . . . . . . . . .16
Unit Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . .16
THERMOSTAT CONTROL TYPE (T.CTL)
Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
General Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Temperature Setpoint Determination . . . . . . . . . . . .18
Occupancy Determination . . . . . . . . . . . . . . . . . . . .18
LEVEL 1 PRIORITY
LEVEL 2 PRIORITY
LEVEL 3 PRIORITY
INDOOR FAN OPERATION
CONSTANT VOLUME (CV) UNITS (FTYP = 1-SPEED)
Cooling Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .20
COOLING MODE CONTROL
STAGING CONTROL
COMPRESSOR CONTROL
OUTDOOR FAN CONTROL
Heating Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .21
HEATING MODE CONTROL
SUPPLY-AIR TEMPERATURE SENSOR (SAT)
STAGING CONTROL
HEAT RELAY CONTROL
Economizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
48/50HC 04-28
Single Package Rooftop Units
with ComfortLink Controls Version 3.X and Puron
(R-410A) Refrigerant

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Carrier 48HC 04-28 Specifications

General IconGeneral
BrandCarrier
Model48HC 04-28
CategoryAir Conditioner
LanguageEnglish

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