York B1CH180 - Manuals

York B1CH180 – Manual in PDF format online.

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Manual

Manual York B1CH180

Summary

Page 2 - FIGURES; No. Description Page; TABLE OF CONTENTS

General ................................................................................ 1 Inspection............................................................................. 1 Reference............................................................................. 1 Approvals .......................

Page 3 - INSTALLATION

LIMITATIONS These units must be installed in accordance with the followingnational and local safety codes: In U.S.A.: 1. National Electrical Code ANSI/NFPA No. 70.2. Local electric utility requirements. In Canada: 1. Current Canadian Electrical Code CSA C22.1.2. Local electrical codes.Refer to the U...

Page 4 - Unitary Products Group

FIXED OUTDOOR AIR INTAKE DAMPER This damper is shipped inside the return air compar tment. It iscompletely assembled and ready for installation. A damperbaffle inside the hood is adjustable to provide variableamounts of outdoor air intake on units that are not providedwith an economizer or a motoriz...

Page 5 - Wire Size; TABLE 2 - CONTROL WIRE SIZES

The internal wiring harness furnished with this unit is an integralpar t of a ETL and CGA design cer tified unit. Field alteration tocomply with electrical codes should not be required. A fused disconnect switch should be field provided for the unit.The switch must be separate from all other circuit...

Page 6 - OPTIONAL ELECTRIC HEATERS; CAUTION: Extreme care must be exercised in turning both; NOMINAL; TABLE 3 - ELECTRIC HEAT APPLICATION DATA

Refer to the Typical Field Wiring Figure and to the appropriateunit wiring diagram for control circuit and power wiringinformation. OPTIONAL ELECTRIC HEATERS The factory installed heaters are wired for single point powersupply. Power supply need only be brought into the single pointterminal block an...

Page 8 - TABLE 4 - PHYSICAL DATA

TABLE 4 - PHYSICAL DATA MODELS UNIT SIZE 15 TON 20 TON SUPPLY AIR BLOWER CENTRIFUGAL BLOWER (Dia. x Wd. in.) 15 x 15 18 x 15 FAN MOTOR HP 5 7.5 INDOOR COIL ROWS DEEP 4 4 FINS PER INCH 13 13 FACE AREA (Sq. Ft.) 15.5 20.5 OUTDOOR FANS (Two Per Unit) PROPELLER DIA. (in.) (Each) 30 30 FAN MOTOR HP (Each...

Page 9 - UTILITIES ENTRY DATA

DUCT COVERS - Units are shipped with the bottomduct openings covered. An accessory flange kit is avail-able for connecting side ducts.For bottom duct applications:1. Remove the side panels from the supply and return air compartments to gain access to the bottom supply and return air duct covers.2. R...

Page 10 - POINT LOADS; POINT LOADS; UNIT; NOTE: These weights are with economizer and 36kW electric heat.; NOTE: These weights are with economizer and 36kW electric heat.

A B C D FRONT 4 POINT LOADS FIG. 8- FOUR AND SIX POINT LOADS A E D B F C FRONT 6 POINT LOADS UNIT 4 - POINT LOADS (LBS) TOTAL A B C D 180 2,190 513 535 583 559 240 2,390 514 538 684 654 NOTE: These weights are with economizer and 36kW electric heat. UNIT 6 - POINT LOADS (LBS) TOTAL A B C D E F 180 2...

Page 11 - 80 MBH - BOTTOM DUCT CONNECTIONS; 08 VOLT AND STANDARD DRIVE

TABLE 6 - SUPPLY AIR BLOWER PERFORMANCE (15 TON) 180 MBH - BOTTOM DUCT CONNECTIONS BLOWER SPEED, (RPM) MOTOR PULLEY (TURNS OPEN)* CFM 4500 5250 6000 6750 7200 ESP BHP KW ESP BHP KW ESP BHP KW ESP BHP KW ESP BHP KW 208 VOLT AND STANDARD DRIVE 850 6.0** 0.9 2.4 2.2 0.7 3.0 2.7 0.5 3.2 2.9 - - - - - - ...

Page 12 - 40 MBH - BOTTOM DUCT CONNECTIONS

TABLE 7 - SUPPLY AIR BLOWER PERFORMANCE (20 TON) BLOWER SPEED, (RPM) MOTOR PULLEY(TURNS OPEN)* CFM 6000 7000 8000 9000 9400 ESP BHP KW ESP BHP KW ESP BHP KW ESP BHP KW ESP BHP KW 208 VOLT AND STANDARD DRIVE 870 6.0** 0.4 2.1 1.8 0.1 2.3 2.0 - - - - - - - - - 900 5.0 0.8 3.2 2.7 0.5 3.5 2.9 0.2 3.8 3...

Page 13 - TABLE 10 - BLOWER MOTOR AND DRIVE DATA

TABLE 8 - STATIC RESISTANCES 1 TABLE 9 - POWER EXHAUST PERFORMANCE MOTOR SPEED STATIC RESISTANCE OF RETURN DUCTWORK, IWG 0.2 0.3 0.4 0.5 0.6 CFM KW CFM KW CFM KW CFM KW CFM KW HIGH* 5250 0.83 4500 0.85 4200 0.88 3750 0.93 3000 0.99 MEDIUM 4900 0.77 3900 0.79 3500 0.82 2900 0.85 - - LOW 4400 0.72 370...

Page 15 - NOTE: Prior to each cooling season, the crankcase heaters; COOLING SEQUENCE OF OPERATION; automatic reset device.; HEATING SEQUENCE OF OPERATION; FIRST STAGE HEAT; OPERATION

COOLING SYSTEM T h e u n i t h a s a n a i r - c o o l e d c o o l i n g s e c t i o n a n d i sfactory-charged with Refrigerant-22. The compressors are hermetically sealed, internally sprungand base-mounted with rubber-insulated hold-down bolts. Compressors have inherent (internal) protection. If t...

Page 16 - NOTE: The tubes must be inserted and held in a position; HEATER; TABLE 13 - HEAT ANTICIPATOR SETTING; COIL VS SUPPLY AIR CFM

HEAT ANTICIPATOR SETPOINTS It is impor tant that the anticipator setpoint be correct. Too highof a setting will result in longer heat cycles and a greatertemperature swing in the conditioned space. Reducing thevalue below the correct setpoint will give shor ter “ON” cyclesand may result in the lower...

Page 17 - DEFROST SEQUENCE OF OPERATION; turn it back to its original position.

DEFROST SEQUENCE OF OPERATION T hese heat pumps have a unique “ ambient modified”time-temperature defrost control that automatically adjusts tochanges in the outdoor temperature. The defrost control willshorten the defrost initiation time periods above 35 ° F and will extend the defrost initiation t...

Page 18 - NORMAL MAINTENANCE; CAUTION: Prior to any of the following maintenance proce-; SECURE OWNER’S APPROVAL; MAINTENANCE; T1 - 50 MINUTE SETTING

NORMAL MAINTENANCE CAUTION: Prior to any of the following maintenance proce- dures, shut off all electric power to the unit toprevent personal injury. FILTERS - Inspect once a month. Replace disposable or cleanpermanent type as necessary. DO NOT replace permanenttype with disposable. The dimensional...