York B1HP024 THRU 048 用户手册

036-21528-001-A-0303

4

Unitary Products Group

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.

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.

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.

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.

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