York B1HP024 THRU 048 - Manual (Page 4)

036-21528-001-A-0303
4 Unitary Products Group
RECTANGLE TO ROUND ADAPTERS
Kit includes one supply and one return air rectangle to
round duct adapter. Adapters are preformed and
designed to fit over current duct openings on the base
unit. Transition is from 15" square to 14" round.
ROOF CURBS
NRCA approved curbs provide proper fit to base unit
for rooftop installations. Curbs are designed to be
assembled through hinge pins in each corner. Kit also
provides seal strip to assure a water tight seal. Eight
and 14 inch high roof curbs are available.
MANUAL OUTDOOR DAMPER
Provides 0% thru 50% outdoor air capability (field
adjustable). Designed for duct mounted side return and
unit mounted down shot applications. Includes hood
and screen assembly.
WALL THERMOSTAT
The units are designed to operate with 24-volt elec-
tronic and electro-mechanical thermostats. All units
can operate with single stage heat / single stage cool
thermostats - with or without the economizer.
LOW AMBIENT KIT
Kit provides necessary hardware to convert unit to
operate in cooling cycle down to 0∞ F. Standard unit
operation 45∞ F.
TRANSFORMER KIT (SINGLE PHASE ONLY)
Kit provides necessary hardware to provide single
phase models from factory furnished 40 VA trans-
former capability to 75 VA transformer capability.
ELECTRIC HEATERS
Each heater package provides easy installation of elec-
tric heat strips. Slide in design with plug in harness and
agency approved. Heaters are available from 5.0 KW
sizes and are designed for single point and dual con-
nection.
TABLE OF CONTENTS
Description ............................................................................1
Standard Features / Benefits ................................................1
Field-installed Accessories ...................................................3
Unit Cut Away .......................................................................5
Ratings .................................................................................5
Physical Data ........................................................................5
Cooling Capacities - 2 Ton (BHP024) ..................................6
Cooling Capacities - 2-1/2 Ton (BHP030) ............................7
Cooling Capacities - 3 Ton (BHP036) ..................................8
Cooling Capacities - 3-1/2 Ton (BHP042) ............................9
Cooling Capacities - 4 Ton (BHP048) ................................10
Heating Capacities - 2 Ton (BHP024) ................................11
Heating Capacities - 2-1/2 Ton (BHP030) .........................11
Heating Capacities - 3 Ton (BHP036) ................................12
Heating Capacities - 3-1/2 Ton (BHP042) ..........................12
Heating Capacities - 4 Ton (BHP048) ................................13
Side & Bot. Sup. Air Blower Perf. (208/230/460 Volts) ...... 14
Additional Static Resistance .............................................. 14
Field Wiring Diagram ......................................................... 15
Electrical Data (Basic Unit) ................................................ 16
Electrical Data (13 Seer Heat Pump / Electric Heat) ......... 17
Application Data ................................................................. 18
Center of Gravity and Weights ........................................... 18
Unit Clearances ................................................................. 18
Unit Dimensions ................................................................. 19
Typical Applications ........................................................... 20
Roof Curb Dimensions ....................................................... 21
Typical Wiring Diagram (208/230-1-60 Power Supply) ...... 22
Typical Wiring Diagram (230-3-60 Power Supply) ............. 23
Typical Wiring Diagram (460-3-60 Power Supply) ............. 24
Mechanical Specifications .................................................. 25