Carrier AutoZone 50HTQ Operating and installation instructions

50HTQ – AutoZoneRModel
Single Package Rooftop,
High---Efficiency Heat Pump Units
With Field---Installed Electric Heat
Size 07 with Puronr(R---410A) Refrigerant
Submittal Data
—PERFORMANCE DATA
—CERTIFIED DIMENSION PRINTS
—CERTIFIED ROOF CURB
DIMENSION PRINTS
—SERVICE OPTION DIMENSION
PRINTS
Copyright 2010 Carrier Corp. S7310 W. Morris St. SIndianapolis, IN 46231 Printed in U.S.A. Edition Date: 07/10
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Catalog No:50HTQ---01SB
Replaces: NEW

2
Job Data: Location:
Buyer: Buyer P.O.#: Carrier:
Unit Number: Model Number:
Unit Designation:
Performance Data Certified By:
®
Certified to ISO
Use of the AHRI Certified
TM Mark indicates a
manufacturer’s
participation in the
program For verification
of certification for individual
products, go to
www.ahridirectory.org.
9001:2008
DESCRIPTION
50HTQ units are one--piece, high--efficiency heat pump
units, with a low profile, prewired, tested and charged at the
factory. These units have field convertible supply and return
openings and are intended for installation on a roof curb
accessory (ordered separately), or for slab mounting (for
horizontal duct connections). Units are designed to accept
field--installed electric heaters. Units may be ordered with
various factory--installed options. Field--installed accessories
are also available.
STANDARD FEATURES
Base Unit
SPuron (R--410A) HFC refrigerant
SAHRI certified
SEER efficiency level: 11.1
SRated in accordance with AHRI Standards 340/360
SDesigned in accordance with Underwriters’
Laboratories Std 1995 and listed by UL and UL, Canada
SNon--corrosive composite sloping design; side or center
drain condensate pan. Meets ASHRAE Standard 62
SCooling operating range from 25_Fupto115_F
(--4_Cupto46_C). Field installed accessory extends
the minimum down to --20_F(--29_C).
SConvertible from vertical to horizontal airflow for slab
mounting
SReturn air filters are two--inch metal frames with
pleated media
SSingle point electric connections on field--installed
electric heat units
S24--volt control circuit protected with resettable circuit
breaker and 75--VA transformer
SBelt drive, constant torque, permanently lubricated
evaporator--fan motor on all size units.
STotally enclosed condenser motors with permanently
lubricated bearings
SCentralized Terminal Board for component and unit
wiring connections.
SLoss of Charge, High--Pressure, and Freeze Protection
switches
SFull perimeter base rail with built--in rigging adapters
andforktruckslots.
SSurveyor controller and associated sensors
SPower and control wiring through the base Meyer hubs
and compressor relay
Cabinet
SAccess panels with easy grip handles and replaceable
NO--STRIP screw collar
SPre--painted exterior panels and primer--coated interior
panels tested to 500 hours salt spray protection
SFully insulated cabinet
STool--less filter access door
SHinged panel access for the control panel and
evaporator blower motor.
Refrigerant System
SAcutroltrefrigerant metering system
SLiquid line filter drier
SScroll compressors with internal line--break overload
protection
SIndoor and outdoor coils constructed of aluminum fins
mechanically bonded to seamless copper tubes.
SRemovable gauge line plugs for reading refrigerant
pressure with unit panels in place
SFour--way reversing valve operation
SSuction Line Accumulator standard -- prevents
excessive liquid flood back of refrigerant to the
compressor even during the start of the defrost cycle.
Standard Warranty
S5--year electric heater (field--installed)
S5--year compressor
S1--year parts
50HTQ

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PERFORMANCE DATA
Unit Operating Weight lb
Cooling
Net Total Capacity Btuh
Net Sensible Capacity Btuh
Compressor Power Input kW
at Outdoor Air Temperature _F
Indoor Entering Air db: _Fwb _F
CFM External Static Pressure in wg
SEER/EER
Curb Weight lb
Heating
Power Input to Unit kw
Integrated Capacity Btuh
Indoor Operating Air Temperature _Fdb
Outdoor Air Temperature _F (Winter Design)
Rating at 70% R.H. Outdoors kW Heater Selected
Heat/Cool Ratio
Electrical Capacity Required Btuh
COP/HSPF High Low
ELECTRICAL DATA
Power Supply to Unit Volts Phase Hz
Minimum Circuit Amps Maximum Overcurrent Protection (Fuse Only)
SUBMITTAL DATA
Job Name
Architect
Engineer
Contractor
Unit Designation
50HTQ

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OPTIONS AND ACCESSORIES
FACTORY--INSTALLED OPTIONS (FIOPs)
jEconoMi$ertIV with controls and barometric relief
(vertical only)
jEconoMi$er2 with 4--20 mA actuator and barometric
relief only (for PremierLinktor 3rd party EMS system
control)
jNon--fused disconnect switch (80 A Max)
jHigh static indoor fan motor and drive
jReturn Air smoke detector
jSmoke detectors — return and supply air
jPre--coated Al/Cu condenser coil
jE--coated Al/Cu condenser coil
jE--coated Al/Cu condenser and evaporator coil
jCu/Cu condenser coil
jCu/Cu condenser coil and evaporator coil
jCondenser hail guard — louvered style
OPTIONAL WARRANTIES
jComplete Unit Parts only up to 5 years
jComplete Unit Parts and Labor up to 5 years
Many other optional warranties are available.
See the Commercial Start--Up and Optional Extended
Warranty Price price pages for further information.
FIELD INSTALLED ACCESSORIES
jEconoMi$er IV with controls and barometric relief
— vertical or horizontal
jEconoMi$er2 with 4--20 mA actuator, barometric
relief, and no microprocessor — vertical or horizontal
jPower Exhaust — vertical or horizontal
jPremierLink CCN controller
jElectric heat
jSingle point kit
jManual outdoor air damper 25%
jManual outdoor air damper 50%
jRoofcurb — 14 inch (356mm) tall
jRoofcurb — 24 inch (610mm) tall
jThru--the--bottom utility connection kit
jThru--the--curb utility connection kit
jTime Guard II compressor anti--cycle control
jOutdoor coil hail guard — louvered style
jLow ambient head pressure controller, down to --20_F
(--29_C)
jProgrammable setback thermostat
jElectrical/Mechanical thermostat and subbase
jIndoor Fan/Filter status indicator
jPhase Monitor
jHead Pressure control
Economizer Sensors
jSingle Dry bulb control
jDifferential Dry bulb control
jSingle enthalpy control
jDifferential enthalpy control
jCO2-- wall mounted
jCO2-- duct mounted
50HTQ

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CERTIFIED DIMENSION 50HTQ*07
C10711
50HTQ

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CERTIFIED DIMENSION 50HTQ*07
C10712
50HTQ

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ROOF CURB DETAILS
50HTQ-07
ROOFCURB
ACCESSORY
CRRFCURB001A02
CRRFCURB002A02
1’ - 2”
[356]
2’ - 0”
[610]
UNIT SIZE
C10713
50HTQ

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50HTQ