York 2000 - Manuals - manualsarea.com

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

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

Page 3 - INSTALLATION

These units must be installed in accordance with the currentedition of the following national and local safety codes: In U.S.A.: 1. National Electrical Code ANSI/NFPA No. 70. 2. Local electric utility requirements. In Canada: 1. Canadian Electrical Code C22.1 2. Canadian Installation Codes CAN/CGA-B...

Page 4 - Unitary Products Group

casing. Outdoor ductwork must be insulated and water- proofed. Refer to Figure 6 for information concerning side and bottomsupply and return air duct openings. FILTERS 1" filters are supplied with each unit. 2" replacement filters maybe used with no modification to the filter racks. Filters ...

Page 6 - OPTIONAL ECONOMIZER RAIN HOOD; NOTE: Sensor must be positioned so that the sensing ports

OPTIONAL ECONOMIZER RAIN HOOD The following procedure should be used when assembling aneconomizer rain hood onto a unit. Refer to Figure 4. The outdoorand return air dampers, damper actuator, the linkage and allthe controls are factory mounted as part of the economizeroption. All of the hood compone...

Page 7 - TABLE 3 - PHYSICAL DATA

FIG. 5 - ENTHALPY SET POINT ADJUSTMENT WEIGHTS (LBS) Basic Unit 3 Ton 555 4 Ton 595 5 Ton 620 OPTIONS / ACCESSORIES Electric Heat(Nominal KW) 5 - 7 KW 18 10 - 15 KW 23 20 - 30 KW 28 Economizer 50 Belt-Drive Blower 5 Motorized OutdoorAir Damper 26 Barometric Relief/FixedOutdoor Air Intake Damper 10 R...

Page 11 - TABLE 10 - ELECTRICAL DATA

MODEL BLOWER RANGE (RPM) MOTOR* ADJUSTABLE MOTOR PULLEY FIXED BLOWER PULLEY BELT HP RPM FRAME SIZE SERVICE FACTOR PITCH DIA. (in.) BORE (in.) PITCH DIA. (in.) BORE (in.) PITCH LENGTH (in.) DESIG- NATION BCH 036 790 - 1120 1-1/2 1725 56 1.15 2.4 - 3.4 7/8 5.7 1 37.3 A36 BCH 048 790 - 1120 1-1/2 1725 ...

Page 12 - NOTE: Prior to each cooling season, the crankcase heater; COOLING SEQUENCE OF OPERATION; CONTROL; OPERATION

COOLING SYSTEM The unit has an air-cooled condenser and is factory-chargedwith Refrigerant-22. The compressor is hermetically sealed, internally sprung,m ounted on spr ing isolators and inherently (inter nally)protected. If there is an abnormal temperature rise in thecompr essor, the pr otector w il...

Page 13 - LOCKOUT CONTROL; NOTE: Models with an anti-recycle accessory will have a; CHECKING SUPPLY AIR CFM; NOTE: The tubes must be inserted and held in a position; TURNS

LOCKOUT CONTROL Any one of four conditions will put the system into a lock-outcondition during the heating or cooling mode: 1. The discharge line temperature reaches 255 ° F (215 ° F reset) or, 2. The discharge pressure reaches 398 PSIG (310 PSIG reset) or, 3. The suction line freezestat equals 26 °...

Page 14 - NORMAL MAINTENANCE; CAUTION: Prior to any of the following maintenance proce-; MAINTENANCE; FIG. 10 - PRESSURE DROP ACROSS A DRY INDOOR; COIL VS. SUPPLY AIR CFM

WARNING: Failure to properly adjust the total system air quan- tity can result in poor system performance. After readings have been obtained, remove the tubes and sealthe drilled holes in the side panels. 5/16" dot plugs (P/N029-13880) are available through nor mal par ts orderingprocedures. NOT...