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INSTALLATION,
OPERATION
&
MAINTENANCE
MANUAL
SINGLE PACKAGED ROOF TOP AIR CONDITIONERS
'PT' SERIES
MODELS: PT036 - PT360
Part Number: 800-213-03
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INDEX Contents Page General Model decoding ...................................................................................................................................................... 2 General statement .................................................................................................................................................. 3 Warranty ................................................................................................................................
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2 MODEL DECODING MODELS: PT036 - PT060 (DIRECT DRIVE MOTOR) 1& 2 3, 4 & 5 6 7 8 9 10 11 12 13 14 15 NOMINAL BASIC ELECTRICAL REFRIGERA- BLOWER DRIVE HEATER EVAPORATOR CONDENSER PDS OTHER UNIT COOLING SUPPLY TION CIRCUIT MOTOR OPTIONS OPTIONS COIL COIL OPTION OPTIONS ACCESSORIES CAPACITY (kW/STAGE) ( V-Ph-Hz ) (MBH) N : STANDARD UNIT S : SINGLE N : STANDARD UNIT PT 036 L : 380/415-3-50 W : 0.75 HP ODP N : DIRECT J : IGT + ENHANCED J : IGT + ENHANCED N : NO PDS N : NO HEATER (4 WIRE) DRIVE AL
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GENERAL GENERAL STATEMENT This unit is from the PT series that was designed & built for the optimum performance. However, it is required that you become well acquainted with good practices for the proper installation/operation/and maintenance procedures in order to ensure a safe trouble free operation, year after year. Please read through the whole manual contents before you attempt to install/operate/ and maintain the unit. Most of the procedures described in this manual require certain skills
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INSTALLATION INSTRUCTIONS GENERAL These units are shipped completely assembled, charged, and wired. They do not require any field installation of refrigerant tubing. Units require external power, thermostat wiring, condensate drain piping and ducting as applicable. Size of unit for an installation should be based on a heat gain calculation made according to applicable standards. Units must also be installed in accordance with regulations of the "National Fire Protection Association" and local el
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SERVICE CLEARANCE MODELS: PT036 - PT120 MODELS: PT180 - PT360 D D E C C A A B B NOTE: Only two condenser fans for models PT180 - PT240. NOTE: All dimensions are in cm. MODEL DIMENSIONS MODEL DIMENSIONS NUMBER A B C D NUMBER A B C D E PT036 85 105 85 150 PT180 120 120 115 250 90 PT048 85 105 85 150 PT215 120 120 115 250 90 PT060 85 105 85 150 PT240 120 120 115 250 90 PT075 90 105 90 200 PT300 120 120 115 250 90 PT090 90 105 90 200 PT360 120
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CONDENSATE DRAIN CONNECTION • Use standard PVC pipe with NPT connection for the condensate drain. Provide a 'P' trap immediately at the condensate drain connection. • Piping has to be sloped away from the unit. • Remember to remove the drain hole plug before operating the unit. Avoid bends & elbows. DUCT CONNECTION The units can be connected to the ducting in horizontal configuration. Connect ducting using flexible duct connection. The duct should be properly designed and the drive package shoul
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UNIT DIMENSIONS PT036 - PT075 POWER SUPPLY INLET AIR IN CONDENSER COIL CONDENSATE DRAIN OUTLET [BOTH ENDS] TOP VIEW MOUNTING HOLES Ø 13 [0.5] [ 4 EACH] SUPPLY AIR ACCESS PANEL SUPPLY AIR OPENING FOR BLOWER AND MOTOR FILTER ACCESS PANEL [BOTH ENDS] CONDENSER COIL RETURN AIR FRESH AIR COMPRESSOR/CONTROLS RETURN AIR OPENING OPENING ACCESS PANEL DRAIN OUTLET [BOTH ENDS] 51 [2.00] 15 [0.59] SIDE VIEW FRONT VIEW SIDE VIEW DIMENSIONS MODEL ABCD E F G H J K L M PT036 - PT060 1460(57.48) 1025(40.35)
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UNIT DIMENSIONS PT090 - PT120 TOP VIEW SIDE VIEW FRONT VIEW SIDE VIEW NOTE: 1. All dimensions are in mm (dimensions in brackets are in inches). 2. Service clearance should be 1200mm (4 feet) on all sides. 8
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UNIT DIMENSIONS PT180 TOP VIEW SIDE VIEW FRONT VIEW SIDE VIEW NOTE: 1. All dimensions are in mm (dimensions in brackets are in inches). 2. Service clearance should be 1200mm (4 feet) on all sides. 9
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UNIT DIMENSIONS PT215 - PT240 TOP VIEW SIDE VIEW SIDE VIEW FRONT VIEW NOTE: 1. All dimensions are in mm (dimensions in brackets are in inches). 2. Service clearance should be 1200mm (4 feet) on all sides. 10
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UNIT DIMENSIONS PT300 - PT360 TOP VIEW FRONT VIEW SIDE VIEW SIDE VIEW NOTE: 1. All dimensions are in mm (dimensions in brackets are in inches). 2. Service clearance should be 1200mm (4 feet) on all sides. 11
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CABLE SIZE • All wiring should be in accordance with local standards. • Before making any connection, check the electric power supply, it must have the same characteristics as what is displayed in the nameplate. • For selecting cable size, refer to wire ampacity table at different MCA (Minimum Circuit Amps) provided in unit electrical data, which is listed as a guideline (see table below). 0 • Wiring connection to the unit must have suitable insulation of a minimum temperature of 60 C. CONDUCTOR
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ELECTRICAL DATA MODELS: PT036 - PT060 VOLTAGE FM COMPRES- BLOWER ELECTRIC POWER LEGEND: MODEL RANGE SOR MOTOR HEATER SUPPLY MCA MOCP NUMBER (V-Ph-Hz) FLA - Full Load Amps MIN. MAX. FLA RLA LRA HP FLA kW FLA – – 15.2 20 HP - Horse Power 5/6 7.6/9.1 16.4/18.3 20/20 PT036 380/415-3-50 342 457 2.3 5.9 42 0.75 5.5 BM - Blower Motor 7.5/10* 11.4/15.2 21.1/25.9 25/30 (4 WIRE) 12* 18.2 29.6 30 LRA - Locked Rotor Amps – – 20.8 30 RLA - Rated Load Amps 5/6 7.6/9.1 20.8/20.8 30/30 380/415-3-50 342 457 2.3
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ELECTRICAL DATA MODELS: PT180 & PT215 MODEL NUMBER DESCRIPTION PT180 PT215 COMPR- COMPR- VOLTAGE ELECTRIC ELECTRIC FM ESSOR ESSOR POWER BM BM RANGE HEATER HEATER (each) MCA MOCP MCA MOCP (each) (each) SUPPLY (V-Ph-Hz) Min. Max. FLA RLA LRA HP FLA Nom. kW FLA RLA LRA HP FLA Nom. kW FLA – – 51 60 – – 56.2 70 7.5/10 11.4/15.2 51/51 60/60 7.5/10 11.4/15.2 56.2/56.2 70/70 5 9.2 5 9.2 10*/12* 15.2/18.2 51/51 60/60 10*/12* 15.2/18.2 56.2/56.2 70/70 15*/20* 22.8/30.4 51/51 60/60 15*/20* 22.
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TM Performex-1 CONTROLLER : OPERATION & FUNCTIONS TM The COOLINE Packaged units are provided with technologically advanced new Performex Controller Microprocessor Based Electronic Control Board, incorporating the following benefits and features: - COMPLETE UNIT CONTROL: Provides complete unit control for heating and cooling application whether single stage or two stage utilizing the input from sensor that measure temperatures during unit operation. - COMPRESSOR LOCKOUT: If any of the unit’s sa
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7. LEAD/LAG OPERATION: Whenever a compressor needs to be on, the controller will turn on the compressor with the shorter accumulated run time provided its 3 minutes minimum off time has lapsed. Otherwise the other compressor will on first. Similarly, the compressor with the longer accumulated run time will be the first one to be cut off. This is to load the compressors evenly over long run period. Balance loading is enabled when compressor #1 lead option is disabled. 8. AUTO MODE: In Auto mode,
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MAINTENANCE INSTRUCTIONS AIRFLOW ADJUSTMENT (Applicable for PT075 - PT360 only) The airflow could be adjusted by adjusting pulleys of blower motor or belt tension with proper mounting and alignment of the pulleys: • Refer to fan performance tables in the catalog for selecting applicable airflow, RPM and brake horse power at specified static pressure. • Select the appropriate drive as per motor and blower characteristic in the catalog. • The set screw shall be loosened to make the pulley moving.
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BELT TENSION TESTING PROCEDURE BELT SPAN DEFLECTION = 64 FORCE SCALE SMALL "0" RING BELT SPAN SPAN SCALE LARGE "0" RING BELT TENSION CHECKER MEASURE THE BELT DEFLECTION FORCE BELTS DEFLECTION FORCE - LBS. BELT TYPE BELT CROSS SECTION SMALL PULLEY PITCH DIA. (P.D.) RANGE MINIMUM MAXIMUM 1.25 – 1.75 1/2 5/8 2 – 2.25 5/8 7/8 – 3 L 2.5 – 3 3/4 1-1/8 2.1 – 2.8 1-1/8 1-5/8 3 – 3.5 1-1/2 2-1/8 A 4 L 3.7 – 5 1-7/8 2-5/8 3 – 4.2 2 2-7/8 B 5 L 4.5 – 5.2 2-3/8 3-3/8 TYPICAL HIGH AND LOW VOLTAGE FIELD WIRIN
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PREVENTIVE MAINTENANCE SCHEDULE CAUTION: Disconnect power supply and allow all rotating parts to stop before servicing the unit. FREQUENCY OF MAINTENANCE, MONTHS (FIRST 4 YEARS) I T E M 6 12 Clean air filter (Aluminum)* X Pressure wash condenser & cooling coil as required X Check blower belt, tension, wear tear/replace if required X Check alignment of pulleys X Clean drain pan, drain pipe X Clean blower wheel X X Check for loose bolts/screws & tighten as necessary Check all electrical controls,
