32
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 efficiency, 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
Test Method Standard No. 141 (Method 6061) 500--hr
salt spray test.
— Air--cooled condenser coils will be leak tested and
pressure tested.
— 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--cooled 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 Cabinet
— 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.
Compressor
— 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 Components
— 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
