York BP 090 manuale d’uso

INST ALLA TION MANUAL - 50 Hz CAUTION: READ ALL SAFETY GUIDES BEFORE YOU BEGIN TO INST ALL YOUR UNIT . SA VE THIS MANUAL SINGLE P ACKAGE HEA T PUMP HIGH EFFICIENCY BP090 and 120 (7-1/2 and 10 TON) 66307-YIM-B-0606 CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 SAFETY CONSIDERATIONS . . . . . . . . . .[...]

66307-YIM-B-0606 2 Unitary Products Group T ABLE OF CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . 5 INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 REFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . [...]

66307-YIM-B-0606 Unitary Products Group 3 LIST OF FIGURES Fig. # Pg. # 1 UNIT SHIPPING BRA CKET . . . . . . . . . . . . . . . . . . . . . 8 2 CONDENSER COIL COVERING . . . . . . . . . . . . . . . . . 8 3 COMPRESSOR SECTION . . . . . . . . . . . . . . . . . . . . . . 8 4 PREDATOR® COMPONENT LO CATION . . . . . . . . . . 9 5 UNIT 4 POINT LOAD . . . [...]

66307-YIM-B-0606 4 Unitary Products Group LIST OF T ABLES Tbl. # Pg. # 1 UNIT TEMPERATURE LIMIT ATIONS . . . . . . . . . . . . . 9 2 UNIT VOLTAGE LIMITATIO NS . . . . . . . . . . . . . . . . . . 9 3 UNIT WEIGHTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4 4 POINT LOAD WEI GHT . . . . . . . . . . . . . . . . . . . . . . 10 5 6 POI[...]

66307-YIM-B-0606 Unitary Products Group 5 GENERAL YORK ® Predator ® Heat Pump units are single package, reverse cycle air conditioners designed fo r outdoor installa- tion on a rooftop or slab and for non-residential use. These units can be equipped with factory or field installed electric heaters for heatin g applications. These units are comple[...]

66307-YIM-B-0606 6 Unitary Products Group REFERENCE Additional information is available i n the following re ference forms: • T echnical Guide - 259336 • General Installation - 66307 • Pre-start & Post-s t art Check List • Economizer Accessory - Downflow Factory Installed Downflow Field Installed Horizontal Field Installed • Motorized[...]

66307-YIM-B-0606 Unitary Products Group 7 NOMENCLA TURE B P 090 C00 A 7 A AA 3 0 1 2 4 A Product Category B = HP, Single Pkg., R-22 A = Std. Motor Airflow B = Std. Motor/Econo./Barometric Relief (Downflow Only) C = Std. Motor/Econo./Power Exhaust (Downflow Only) D = Std. Motor/Motorized Damp er (Downflow Only) E = Std. Motor/Horizontal Economizer ([...]

66307-YIM-B-0606 8 Unitary Products Group INST ALLA TION INST ALLA TION SAFETY INFORMA TION Read these instructions before conti nuing this appliance installation. This is an o utdoor combination heating and cool- ing unit. The installer must assu re that these instructions are made available to the consu mer and with instructions to retain them fo[...]

66307-YIM-B-0606 Unitary Products Group 9 LOCA TION Use the following guide lines to select a suitable locatio n for these units: 1. Unit is designed for outdoor installation only . 2. Condenser coils must have an unlimi ted supply of air . Where a choice of location is possible, position the unit on either north or east side of bu ilding. 3. Suita[...]

66307-YIM-B-0606 10 Unitary Products Group RIGGING AND HANDLING Exercise care when movi ng the unit. Do not remove any packaging until the unit is near the place of installation. Rig the unit by attaching chain or cable slings to the lifting holes provided in the base rails. S preader bars, whose length exceeds the largest dimension across the unit[...]

66307-YIM-B-0606 Unitary Products Group 11 CLEARANCES All units require particular cl earances for proper operation and service. Refer to T able 6 for clearances required for con- struction, servicing, a nd proper unit operation . NOTE: A one-inch clearance must b e provided between any combustible material an d the supply ductwork for a dist an ce[...]

66307-YIM-B-0606 12 Unitary Products Group . FIGURE 9 - BOTTOM DUCT OPENINGS (FROM A BOVE)[...]

66307-YIM-B-0606 Unitary Products Group 13 DUCTWORK Ductwork should be d esigned and sized ac cording to the methods in Manual D of the Air Cond itioning Contractors of America (ACCA) or as reco mmende d by any other recog- nized authority such as ASHRAE or SMACNA. A closed return duct system should be used. Thi s will not preclude use of economize[...]

66307-YIM-B-0606 14 Unitary Products Group Note orientation. Panel i s “insulation” side up. FIGURE 1 1 - PREDA TOR ® ROOF CURB DIMENSIONS 5 0 - 1 / 2 ( 1 2 8 5 ) 3 0 ( 7 6 0 ) 2 0 ( 5 1 0 ) 8 0 - 5 / 8 ( 2 0 5 0 ) 6 ( 1 5 0 ) 2 T Y P . ( 5 0 ) I N S U L A T E D D E C K U N D E R C O M P R E S S O R S E C T I O N I N S U L A T E D D E C K U N [...]

66307-YIM-B-0606 Unitary Products Group 15 CONDENSA TE DRA IN The side condensate drain is reversible and maybe re -ori- ented to the rear of the cab i net to facilitate condensate pip- ing. A condensate drain connection is available through the base pan for piping inside the roof curb. Trap the connection per Figure 16. The tra p and drain lines s[...]

66307-YIM-B-0606 16 Unitary Products Group comply with electrical codes should not be required. If an y of the wire su ppl ie d wi th th e un it must be repla ce d, r eplac em en t wire must be of the type show n on the wiring diagram and the same minimum gauge as the replaced wire. A disconnect must be utilized for these units. When in stalling a [...]

66307-YIM-B-0606 Unitary Products Group 17 FIGURE 18 - FIELD WIRING 24 VOL T THERMOST A T O C C W 1 W 2 Y 1 G Y 2 X R S D C R E M O T E M I N P O S W 1 W 2 Y 1 G Y 2 C U N I T C O N T R O L B O A R D T - S T A T R H R C The thermostat must provide a “G” signal when there is a call for “W1.”The unit control board will energi ze the indoor b [...]

66307-YIM-B-0606 18 Unitary Products Group T ABLE 8: ELECTRICAL DATA - 7-1/2 TON HP Vo l t a g e Compressors OD Fan Motors Supply Air BLower Motor FLA Pwr Exh Motor Electric Heater Model No. Actual Kw Heater Amps Minimum Circuit Ampacity (Amp s) MCA with Power Exhaust (Amps) Max Fuse Size * (Amps) Max Fuse Size w/Pwr . Exh.* (Amps) RLA ea LRA ea FL[...]

66307-YIM-B-0606 Unitary Products Group 19 FACTORY INST ALLED OPTIONS/ FIELD INST ALLED ACCESSORIES ELECTRIC HEA T ACCESSORY Electric heaters are available as field installed accessories. Refer to electric heat instructi ons for installation. These heat- ers mount in the heat compartm ent with the heating elements extending into the supply air cham[...]

66307-YIM-B-0606 20 Unitary Products Group MOTORIZED OUTDOOR DAMPER The Motorized Outdoor Damper can be a factory installed option or a field installed accessory . If facto ry installed, refer to the instructio ns included with the outdoor air hood to com- plete the assembly . Field installed Motorized Outdoor Damper accessories include comp lete i[...]

66307-YIM-B-0606 Unitary Products Group 21 • For a dual enthalpy o peration, carefully tu rn the set point adjusting screw fully clockwise past the "D" setting. POWER EXHAUST DAMPER SET POINT (WITH OR WITH- OUT POWER EXHAUST) • With no power exha ust opti on, adjust the Exhaust Air Adjustment Screw fully clockwise. This will all ow 2n[...]

66307-YIM-B-0606 22 Unitary Products Group PHASING Predator ® units are properly phased at the factory . Check for proper compressor rotation. If the blower or compressors rotate in the wrong direction at start-up, the electrical connec- tion to the unit is misphased. Change the phasing of the field line connection at the field supplied d isconnec[...]

66307-YIM-B-0606 Unitary Products Group 23 FIGURE 22 - BELT ADJUSTMENT A A A B SPAN LENGTH DEFL. FORCE C* * NEVER LOOSEN Procedure for adjusting belt tension: 1. Loosen six nuts (top and bottom) A. 2. Adjust by turning (B). 3. Never loosen nuts (C). 4. Use belt tension checker to apply a perp endicular force to one belt at the midpoint of the sp a [...]

66307-YIM-B-0606 24 Unitary Products Group T ABLE 13: BLOWER PERFOR MA NCE 7-1/2 TON ST AN DARD MOTOR - SIDE DUCT (IMPERIAL) ESP (iwg) T urns Open 012345 CFM W atts BHP CFM W atts BHP CFM Watts BHP CFM W atts BHP C FM W atts BHP CFM Watt s BHP 0.2 - - - - - - - - - - - - 3698 1382 1.48 3527 1249 1.34 0.4 - - - - - - - - - 3591 142 4 1.53 3288 1242 [...]

66307-YIM-B-0606 Unitary Products Group 25 T ABLE 16: BLOWER PERFORMANCE 7-1/2 TON OPTIONAL MOTOR - SIDE DUCT (METRIC) ESP (Pa) T urns Open 012345 m 3 /s In (kW) Out (kW) m 3 /s In (kW) Out (kW) m 3 /s In (kW) Out (kW) m 3 /s In (kW) Out (kW) m 3 /s In (kW) Out (kW) m 3 /s In (kW) Out (kW) 100 -- --- --- --- - 1 . 9 1 1 . 8 3 1 . 4 6 1 . 7 5 1 . 5 [...]

66307-YIM-B-0606 26 Unitary Products Group T ABLE 19: BLOWER PERFOR MA NCE 10 TON OP TIONAL MOTOR - SIDE DUCT (IMPERIAL) ESP (iwg) T urns Open 012345 CFM W atts BHP CFM W atts BHP CFM Watts BHP CFM W atts BHP C FM W atts BHP CFM Watt s BHP 0.4 -- - -- - - - - -- - -- - 4 9 6 0 2 4 9 5 2 . 6 8 0.6 - - - - - - - - - - - - 5091 2745 2.94 4646 2314 2.4[...]

66307-YIM-B-0606 Unitary Products Group 27 T ABLE 21: BLOWER PERFORMANCE 7-1/2 T O N STANDARD MOTOR - DOWNSHOT (IMPERIAL) ESP (iwg) T u rns Open 012345 CFM W atts BHP CFM W atts BHP CFM Watts BHP CFM Watts BHP CFM Watts BHP CFM Watts B HP 0.2 - - - 3838 1772 1. 90 3530 1491 1. 60 3487 1385 1.49 3260 1234 1.32 3091 1 1 19 1.2 0 0.4 3299 1485 1.592 3[...]

66307-YIM-B-0606 28 Unitary Products Group T ABLE 24: BL OW ER PE RFOR MANCE 7-1/2 TO N OPTIONAL MOTOR - DOWNSHOT (METRIC) ESP (Pa) T u rns Open 012345 m 3 /s In (kW) Out (kW) m 3 /s In (kW) Out (kW) m 3 /s In (kW) Out (kW) m 3 /s In (kW) Out (kW) m 3 /s In (kW) Out (kW) m 3 /s In (kW) Out (kW) 50 - - - - - - - - - - - - 1.83 1.75 1.40 1.70 1.52 1.[...]

66307-YIM-B-0606 Unitary Products Group 29 T ABLE 27: BLOWER PERFORM ANCE 10 T ON OP TIONAL MOTOR - DOWNSHOT (IMPER IAL) ESP (iwg) T u rns Open 012345 CFM Watts BHP CFM Watts BHP CFM Watts BHP CFM Watts BHP CFM Watts BHP CFM Watts BHP 0.2 -- - -- - -- - - - - 4966 2666 2.86 4605 2290 2.46 0.4 -- - -- - -- - 4919 2473 2.65 4721 2515 2.70 4344 2145 2[...]

66307-YIM-B-0606 30 Unitary Products Group AIR BALANCE S tart the supply air blower motor . Adjust the resistances in both the supply and the return air duct systems to balance the ai r distribution throughout the cond it ioned space. The job specifications may requ ire that this balancing be done by some one other than the equipment installer . CH[...]

66307-YIM-B-0606 Unitary Products Group 31 SUPPL Y AIR DRIVE ADJUSTMENT At unit start-up, the measured CFM may be higher or lower than the required CFM. T o achieve the required CFM, th e speed of the drive may have adjusted b y changing the datum diameter (DD) of the va riable pitch mo tor sheave as described below: Required CFM Measured CFM Use t[...]

66307-YIM-B-0606 32 Unitary Products Group T ABLE 30: ADDITIONAL STATIC RESIST ANCE - IMPERIAL CFM Cooling Only * Ec onomizer † ‡ Electric Heat KW † 9 1 82 43 65 4 2300 0.08 0.02 0.07 0.08 0.09 0.10 0.13 2500 0.09 0.02 0.08 0.09 0.10 0.1 1 0.14 2700 0.1 1 0.03 0.09 0.10 0.12 0.13 0.16 2900 0.12 0.03 0.10 0.1 1 0.13 0.14 0.18 3100 0.14 0.03 0.[...]

66307-YIM-B-0606 Unitary Products Group 33 OPERA TION SEQUENCE OF OPERA TIONS OVERVIEW For the Predator ® series of units, the thermostat makes a cir- cuit between "R" and "Y1" for the first stage of cooling. The call is passed to the Unit Control Board (UCB) , which then determines wh ether the req uested operation is avai lab[...]

66307-YIM-B-0606 34 Unitary Products Group "Y1" energizes the economize r . The dampers will modulate to maint ain a const ant supply air temperatur e as monitored by the discharge air sensor . If the outdoor air enthalpy is above the set point, "Y1" energizes compre ssor #1. When the thermostat calls for "second-stage"[...]

66307-YIM-B-0606 Unitary Products Group 35 and the thermostat is calling fo r coolin g, the U CB will operate in the low ambient mode. Low ambient mode operates the co mpressors in this manner: 10 minutes on, 5 minutes off. The indoor blo wer is operated throughout the cycle. The 5-minute off period is necessary to defrost the indoor coil. Low ambi[...]

66307-YIM-B-0606 36 Unitary Products Group at the position of the defrost thermostats . This action is repeated unti l, at the completion of a run time cycle , one of the defrost thermo stat s is found to be clo sed and the DC enters defrost mode. When the DC enters the defros t mode, it’s on-board defrost relay is powered. This energiz es bo th [...]

66307-YIM-B-0606 Unitary Products Group 37 • If blower ro tation is in the wrong direction. Refer to Phasing Section in general info rmation section. • Check bl ower drive belt tension. 6. Check the unit supply air (CFM). 7. Measure evaporator fan moto r's amp draw . 8. Set the room thermostat fan switch to off. 9. T urn uni t electrical p[...]

66307-YIM-B-0606 38 Unitary Products Group T ABLE 35: SUPERHEA T CHARGING SUCTION PRESSURE PSIG (Service Port) SUCTION TUBE TEMPERA TURE 0 * 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 61.5 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 64.2 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71 67.1 39 41 43 45 47 49 51 53 55 57 59 61 63 [...]

66307-YIM-B-0606 Unitary Products Group 39 TROUBLESHOOTING PREDA TOR ® FLASH CODES Various flash codes are utilized by the unit co ntrol board (UCB) to aid in troubleshooting. Flash codes are distinguished by the short on a nd off cycle used (approximately 200ms on and 200ms off). To show normal operation, the control bo ard flashes a 1 secon d on[...]

66307-YIM-B-0606 40 Unitary Products Group FIGURE 24 : UNIT CONTRO L BOARD T ABLE 38: UNIT CON TROL BOARD FLASH CODES FLASH CODE DESCRIPTION GREEN LED 16 RED LED 8 RED LED 4 RED LED 2 RED LED 1 On S teady This is a Control Failure - - - - - 1 Flash Not Applicable - - - - - 2 Flashes Control wait ing ASCD * Flashing Off Off On Off 3 Flashes HPS1 Com[...]

66307-YIM-B-0606 Unitary Products Group 41 COOLING TROUBL ESHO OTIN G GUI DE On calls for cooling, if the compressors are operati ng but the supply air blower motor do es not energize after a sho rt delay (the room thermostat fan switch is in the “AUTO” position): 1. T urn the thermostat fan switch to the ON position. If the supply air blower m[...]

66307-YIM-B-0606 42 Unitary Products Group locked out the compressor for repeat trips. The UCB should be flashing an alarm code . If not, press and release the ALARMS button on the UCB. The UCB will flash the last five alarms on th e LED. If the compre ssor is locked out, cancel any call for cooling. Thi s will reset any compressor lock outs. NOTE:[...]

66307-YIM-B-0606 Unitary Products Group 43 low-pressure switch, or freeze stat. Check for 24 volts at the HPS2, LPS2, and FS2 terminals of th e UCB. If a switch has opened, there shou ld be a voltage potential between the UCB termin als, e.g. if LPS2 has opened, there will be 24 volts of potential between the LPS2 te r- minals. 9. If 24 volts is pr[...]

Subject to change without notice. Print ed in U.S.A. 66307-YIM-B-0606 Copyright © 2006 by Unitary Products Gro up. All rights reserved. Supersedes: 66307-YI M-A- 0704/035-17277-004-A -0704 Unitary 5005 Norman Product s Y ork OK Group Drive 73069 present, trace the wiring from Y1 “OUT” for in correct wir- ing. If 24 volts is not present at the [...]