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GUIDE SPECIFICATIONS
GENERAL
System Description
Outdoor-- mounted, air -- cooled, split --system heat pump unit
suitable for ground or rooftop installation. Unit consists of a
hermetic compressor, an air -- cooled coil, propeller-- type
condenser fan, and a control box. Unit will discharge supply
air upward as shown on contract drawings. Unit will be used in
a refrigeration circuit to match up to a packaged fan coil or coil
unit.
Quality Assurance
— Unit will be rated in accordance with the latest edition
of ARI Standard 240.
— Unit will be certified for capacity and e fficiency, and
listed in the latest ARI directory.
— Unit construction will comply with latest edition of
ANSI/ ASHRAE and with NEC.
— Unit will be constructed in accordance with UL
standards and will carry the UL label of approval.
Unit will have C--UL approval.
— Unit cabinet will be capable of withstanding Federal
Te st Method Standard No. 141 (Method 6061) 500--hr
salt spray test.
— Air--cooled condenser coils will be leak tested and
pressure te sted.
— Unit constructed in ISO9001 approved facility.
Delivery, Storage, and Handling
— Unit will be shipped as single package only and is
stored and handled per unit manufacturer’s
recommendations.
Warranty (for inclusion by specifying engineer)
— U.S. and Canada only.
PRODUCTS
Equipment
— Factory assembled, single piece, air-- c ooled heat
pump unit. Contained within the unit enclosure is all
factory wiring, piping, controls, compressor,
refrigerant charge (R--22), and special features
required prior to field start--up.
Unit Cabine
t
— Unit cabinet will be constructed of galvanized steel,
bonderized, and coated with a powder coat paint.
Fans
— Condenser fan will be direct-- drive propeller type,
discharging air upward.
AIR--COOLED, SPLIT--SYSTEM HEAT PUMP
25HBR3
1--1/2 TO 5 NOMINAL TONS
— Condenser fan motors will be totally enclosed,
1--phase type with class B insulation and permanently
lubricated bearings.
— Shafts will be corrosion resistant.
— Fan blades will be statically and dynamically
balanced.
— Condenser fan openings will be equipped with steel
wire safety guards.
Compresso
r
— Compressor will be hermetically sealed.
— Compressor will be mounted on rubber vibration
isolators.
Condenser Coil
— Condenser coil will be air cooled.
— Coil will be constructed of aluminum fins
mechanically bonded to copper tubes which are then
cleaned, dehydrated, and sealed.
Refrigeration Component
s
— Refrigeration circuit components will include
liquid--line shutoff valve with sweat connections,
vapor--line shutoff valve with sweat connections,
system charge of refrigerant, compressor oil,
accumulator, loss of charge switch, and reversing
valve.
Operating Characteristics
— The capacity of the unit will meet or exceed _____
Btuh at a suction temperature of _____ _F. The power
consumption at full load will not exceed _____ kW.
— Combination of the unit and the evaporator or fan coil
unit will have a total net cooling capacity of _____
Btuh or greater at conditions of _____ CFM entering
air temperature at the evaporator at _____ _F wet bulb
and _____ _F dry bulb, and air entering the unit at
_____ _F.
— The system will have a SEER of _____ Btuh/watt or
greater at DOE conditions.
Electrical Requirements
— Nominal unit electrical characteristics will be _____ v,
single phase, 60 hz. The unit will be capable of
satisfactory operation within voltage limits of _____ v
to _____ v.
— Nominal unit electrical characteristics will be _____ v,
three phase, 60 hz. The unit will be capable of
satisfactory operation within voltage limits of _____ v
to _____ v.
— Unit electrical power will be single point connection.
— Control circuit will be 24v.
Special Features
— Refer to section of this literature identifying
accessories and descriptions for specific features and
available enhancements.
Copyright 2006 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Catalog No: 25HBR3 --- 3PD
Replaces:25HBR3---2PD
Printed in U.S.A. edition date: 03/06
25HBR3
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Electrical Requirements
