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SUNLINE 2000
SINGLE PACKAGE AIR-TO-AIR
HEAT PUMPS
INSTALLATION INSTRUCTION Supersedes: Nothing 035-18895-000-A-0902
MODELS B2CH180
(WORLD 50 HZ)
GENERAL
YORK Model B*CH units are single package heat pumps
• 55.70-N7- General Installation
designed for outdoor installation on a rooftop or a slab. These
• 55.70-N2 -Pre-start & Post-start Check List
units can be equipped with factory installed electric heaters for
• 44-320-10 - Barometric Relief Damper Accessory
supplemental heating applications
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035-18895-000-A-0902 TABLE OF CONTENTS General................................................................................1 MAINTENANCE Normal Maintenance..................................................... 15 Inspection ............................................................................1 Reference............................................................................1 TABLES Nomenclature ......................................................................2 No. Description P
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035-18895-000-A-0902 INSTALLATION LIMITATIONS These units must be installed in accordance with applicable national and local or municipal safety codes. Refer to Table 1 for Unit Application Data and to Table 2 for Electric Heat Application Data. If components are to be added to a unit to meet local codes, they are to be installed at the dealer's and/or the customer's expense. TABLE 1 - UNIT APPLICATION DATA Voltage Variation (Min. / Max.) 400 / 415V 360 / 456V °C 14 / 22 Wet Bulb Temperature of
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035-18895-000-A-0902 FIXED OUTDOOR AIR INTAKE DAMPER CONDENSATE DRAIN This damper assembly is shipped inside the return air Plumbing must conform to local codes. Use a sealing compartment. It is completely assembled and ready for compound on male pipe threads. Install a condensate drain installation. A damper baffle inside the hood is adjustable to line from the 25mm (1" NPT) female connection on the unit to provide variable amounts of outdoor air intake on units that are spill into an open drai
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035-18895-000-A-0902 POWER WIRING
FIG. 5 - TYPICAL FIELD WIRING 2 insulated wires 1.0mm (#18 AWG) should be used to connect BE USED so that water or moisture cannot be thermostat to unit. Eight conductors are required. drawn into the unit during normal operation. The above waterproofing conditions will
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035-18895-000-A-0902 These heaters are located within the central compartment of CAUTION: Extreme care must be exercised in turning both the the unit with the heater elements extending into the supply air setpoint and minimum position adjusting screws to chamber. Refer to Figure 7 for access panel location. prevent twisting them off. Fuses are supplied, where required, by the factory. Some KW 1. The enthapy set point for the dampers may now be set by sizes require fuses and others do not. Refer
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035-18895-000-A-0902 FIG. 6 - ENTHALPY SETPOINT ADJUSTMENT TABLE 3 - PHYSICAL DATA UNIT SIZE WEIGHTS (kg. / lbs.) COMPONENT DESCRIPTION 180 BASIC 180 948 / 2091 UNIT DIA. x WD. (mm) 381 x 381 SUPPLY AIR CENTRIFUGAL BLOWER OPTIONS DIA. x WD. (in.) 15 x 15 BLOWER Economizer 73 / 160 FAN MOTOR kW / HP 3.0 / 4 Motorized Damper 68 / 150 ROWS DEEP 4 INDOOR 18 kW 11 / 25 FINS PER INCH 13 COIL 2 2 Electric 36kW 14 / 30 FACE AREA m / Ft. 1.45 / 15.5 Heater 54 kW 16 / 35 PROPELLER DIA. mm / in. 762 / 30 e
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035-18895-000-A-0902 1235 (48-5/8") (180) 3181 (125-1/4") (180) 616 (24-1/4”) (180 MBH RETURN AIR All dimensions are in millimeters and inches, unless otherwise specified. They are subject SUPPLY AIR to change without notice. Certified dimen- sions will be provided upon request. OUTDOOR AIR CLEARANCES (mm / in.) OUTDOOR AIR (Economizer) Front 914 / 36 610 / 24 (Less Economizer) Back 1245 / 49 (With Economizer) UTILITIES ENTRY DATA Left Side (Filter Access) 610 / 24 Right Side (Outdoor Coil) 914
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035-18895-000-A-0902 DUCT COVERS - Units are shipped with all air duct openings covered. For sideflow duct applications; 1.Remove and discard the side supply and return air duct covers. 2.Connect ductwork to duct flanges on the rear of the unit. For downflow duct applications; 1. Remove the side supply and return air duct covers to gain access to the bottom supply and return air duct covers. 2. Remove and discard the bottom duct covers. 3. Replace the side duct covers. 727 (28-5/8") (180) DETAIL
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035-18895-000-A-0902 TABLE 4 - SUPPLY AIR BLOWER PERFORMANCE 3 DOWNFLOW DUCT APPLICATIONS (m /s) - B*CH180 UNIT AIRFLOW MOTOR BLOWER 3 3 3 3 3 PULLEY 1.77 m /s 2.07 m /s 2.36 m /s 2.66 m /s 2.95 m /s SPEED, (TURNS ESP Output Input ESP Output Input ESP Output Input ESP Output Input ESP Output Input RPM OPEN)* (Pa) (kW) (kW) (Pa) (kW) (kW) (Pa) (kW) (kW) (Pa) (kW) (kW) (Pa) (kW) (kW) 845 6.0 273 1.56 1.8 223 1.79 2.2 198 2.09 2.5 174 2.38 2.9 149 2.68 3.2 885 5.0 322 1.64 1.9 273 1.94 2.3 223 2.2
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035-18895-000-A-0902 1 TABLE 5 - STATIC RESISTANCES EXTERNAL STATIC PRESSURE DROP - RESISTANCE, iwg/Pa 3 m /s (CFM) DESCRIPTION 180 UNIT 1.77 (3750) 2.12 (4500) 2.48 (5250) 2.83 (6000) WET COIL 0.1 / 25 0.1 / 25 0.1 / 25 0.1 / 25 18 kW 0.1 / 25 0.1 / 25 0.1 / 25 0.1 / 25 36 kW 0.1 / 25 0.1 / 25 0.2 / 50 0.2 / 50 ELECTRIC HEAT OPTIONS 54 kW 0.1 / 25 0.2 / 50 0.2 / 50 0.3 / 75 72 kW 0.1 / 25 0.2 / 50 0.3 / 75 0.4 / 99 ECONOMIZER OPTION 0.1 / 25 0.1 / 25 0.1 / 25 0.1 / 25 2 SIDEFLOW DUCT CONNECTION
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035-18895-000-A-0902 OPERATION discharge air sensor. If the outdoor air enthalpy is above the COOLING SYSTEM setpoint, “Y1” energizes compressor #1, outdoor fan motor #1, The cooling section is a complete factory package utilizing an and outdoor fan motor #2 (if the ambient temperature is above air-cooled condenser. The system is factory-charged with 16°C (60°F)). Refrigerant-22. When the thermostat calls for “second-stage” cooling, the low The compressors are hermetically sealed, internally spr
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035-18895-000-A-0902 HEAT ANTICIPATOR SETPOINT TABLE 10 - SUPPLY AIR BLOWER MOTOR PULLEY ADJUSTMENT It is important that the anticipator setpoint be correct. Too high a TURNS BLOWER DRIVE RANGE (RPM) setting results in longer heat cycles and a greater temperature OPEN* 180 UNIT swing in the conditioned space. Reducing the value below the 6 845 correct setpoint causes shorter “ON” cycles and may result in 5 885 the lowering of the temperature within the conditioned space. 4 925 Refer to Table 9 f
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035-18895-000-A-0902 LOCKOUT CONTROL DEFROST SEQUENCE OF OPERATION These heat pumps have a unique “ambient modified” time- Any one of four conditions put the system into a lock-out temperature defrost control that automatically adjusts to condition during the heating or cooling mode: changes in the outdoor temperature. The defrost control 1. The discharge line temperature reaches 124°C (255°F) shortens the defrost initiation time periods above 2°C (35°F) (102°C reset [215°F]) or, and extends the
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035-18895-000-A-0902 T2 - 80 MINUTE SETTING T3 - 110 MINUTE SETTING (Factory Set Point) T1 - 50 MINUTE SETTING SHORTING PEGS TO OVERRIDE TIMER FOR SERVICE MOVABLE JUMPER WIRE TO CHANGE DEFROST TIMER FIG. 11 - AMBIENT MODIFIED TIME/TEMPERATURE CONTROL SECURE OWNER'S APPROVAL: When the system is functioning properly, secure the owner's approval. Show him the location of all disconnect switches and the thermostat. Teach him how to start and stop the unit and how to adjust temperature settings withi
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5005 York Drive, Norman Oklahoma 73069 Subject to change without notice. Printed in U.S.A 035-18895-000-A-0902 Copyright by York International Corporation 2002. All Rights Reserved.
