York B1HP024 THRU 048 Rectangle To Round Adapters, Wall Thermostat, Roof Curbs, Low Ambient Kit

036-21528-001-A-0303

RECTANGLE TO ROUND ADAPTERS WALL THERMOSTAT

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.

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	Side & Bot. Sup. Air Blower Perf. (208/230/460 Volts)	14
Standard Features / Benefits	1	Additional Static Resistance	14
Field-installed Accessories	3	Field Wiring Diagram	15
Unit Cut Away	5	Electrical Data (Basic Unit)	16
Ratings	5	Electrical Data (13 Seer Heat Pump / Electric Heat)	17
Physical Data	5	Application Data	18
Cooling Capacities - 2 Ton (BHP024)	6	Center of Gravity and Weights	18
Cooling Capacities - 2-1/2 Ton (BHP030)	7	Unit Clearances	18
Cooling Capacities - 3 Ton (BHP036)	8	Unit Dimensions	19
Cooling Capacities - 3-1/2 Ton (BHP042)	9	Typical Applications	20
Cooling Capacities - 4 Ton (BHP048)	10	Roof Curb Dimensions	21
Heating Capacities - 2 Ton (BHP024)	11	Typical Wiring Diagram (208/230-1-60 Power Supply)	22
Heating Capacities - 2-1/2 Ton (BHP030)	11	Typical Wiring Diagram (230-3-60 Power Supply)	23
Heating Capacities - 3 Ton (BHP036)	12	Typical Wiring Diagram (460-3-60 Power Supply)	24
Heating Capacities - 3-1/2 Ton (BHP042)	12	Mechanical Specifications	25
Heating Capacities - 4 Ton (BHP048)	13

4 Unitary Products Group