Instruction/ maintenance manual of the product DM090 York
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INST ALLA TION MANUAL CAUTION: READ ALL SAFETY GUIDES BEFORE YOU BEGIN TO INST ALL YOUR UNIT . SA VE THIS MANUAL SINGLE P ACKAGE AIR CONDITIONERS AND SINGLE P ACKAGE ELECTRIC UNITS DM090, 120 and 150 .
035-17311-003-A-0704 2 Unitary Products Group T ABLE OF CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . 5 INSPECTION . . . . . . . . . .
035-17311-003-A-0704 Unitary Products Group 3 LIST OF FIGURES Fig. # Pg.# 1 UNIT SHIPPING BRA CKET . . . . . . . . . . . . . . . . . . . . 10 2 CONDENSER COVERING . . . . . . . . . . . . . . . . . . . . 10 3 COMPRESSOR SECTION . . . . . . . . . . . . .
035-17311-003-A-0704 4 Unitary Products Group LIST OF T ABLES Tbl.# Pg.# 1 UNIT VOLTAGE LIMIT ATIONS . . . . . . . . . . . . . . . . . 11 2 UNIT TEMPERATURE LIMIT ATIONS . . . . . . . . . . . . 11 3 UNIT WEIGHTS . . . . . . . . . . . . . . . . . . . .
035-17311-003-A-0704 Unitary Products Group 5 GENERAL YORK ® Predator ® units are single package air conditi oners designed for outdoor installation on a rooftop or slab and for non-residential use. These units can be equipped with factory or field installed electric heaters for heating applications.
035-17311-003-A-0704 6 Unitary Products Group NOMENCLA TURE 6½ - 12½ Ton Predator Model Number Nomenclature Product Category D = Air Cond., Single Package Product Identi fier M = R-22 Stan dard Effi.
035-17311-003-A-0704 Unitary Products Group 7 NOMENCLA TURE, ADD ITONAL OPTIONS: AA None AB Phase Monitor AC Coil Guard AD Dirty Filter Switch AE Phase Monitor & Coil Guard AF Phase Monitor & .
035-17311-003-A-0704 8 Unitary Products Group HN Honeywell Excel 10 Controller , DFS, APS & T echnico at Evap. & Cond Coils HP Honeywell Excel 10 Controller , DFS, APS, T e chnicoat Evap. & Cond Coils, & Phase Monitor HQ Honeywell Excel 10 Controller , DFS, APS, T e chnicoat Evap.
035-17311-003-A-0704 Unitary Products Group 9 TE T echnicoat Con denser Coil, Phase Monitor, & Coil Guard TF T echnicoat Condenser Coil, Phase Monitor , & Dirty Filter Switch TG T echnicoat Co.
035-17311-003-A-0704 10 Unitary Products Group INST ALLA TION INST ALLA TION SAFETY INFORMA TION Read these instructions before continui ng this appliance installation.
035-17311-003-A-0704 Unitary Products Group 11 LOCA T ION Use the following guideline s to select a suitable location for these units: 1. Unit is designed for outdoor installation only . 2. Condenser coils must have an unlimited supply of ai r . Where a choice of location is possible, posi tion the unit on either north or east side of building.
035-17311-003-A-0704 12 Unitary Products Group Units may be moved or lifted with a forklif t. Slotted openings in the base rails are provided for this purpose. LENG TH OF FORKS MUST BE A MINIMUM OF 60 INCHES. CLEARANCES All units require particular clearances for proper operation and service.
035-17311-003-A-0704 Unitary Products Group 13 NOTE: A one-inch clearance must be provided between any combustible material an d the supply ductwork for a distance of 3 feet from the uni t. Do not permit overhanging structures or shrubs to obstruct condenser air discharge outlet, combustion air inlet or vent outlets.
035-17311-003-A-0704 14 Unitary Products Group . FIGURE 9 - BOTTOM DUCT OPENINGS (FROM ABOVE) 14- 23/32 16-3/8 18-1/16 19-5/8 63-1/2 7-1/8 17-3/16 19-3/16 21-3/16 6-13/16 32-11/16 6-13/16 6-13/16 27-1.
035-17311-003-A-0704 Unitary Products Group 15 DUCTWORK Ductwork should be d esigned and sized a ccording to th e 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.
035-17311-003-A-0704 16 Unitary Products Group Note orientation. Panel is “insulation” side up. CONDENSA TE DRAIN The side condensate drain is reversible and maybe re-ori- ented to the rear of the cabi net to fa cilitate condensate pip- ing. A condensate drain connection is a vailable through th e base pan for piping inside the roof curb.
035-17311-003-A-0704 Unitary Products Group 17 THERMOST A T WIRING The thermostat should be loca ted on an inside wall approxi- mately 56 inches above the floor where i t will not be subject to drafts, sun exposure or heat from electrical fixtures or appliances.
035-17311-003-A-0704 18 Unitary Products Group FIGURE 17 - ELECTRONIC THERMOST A T FIELD WIRING W 2 R C R H Y 1 Y 2 W 1 G C X 1 X 3 X 4 A 1 A 2 T T W 2 Y 1 Y 2 W 1 G C O C C X R T H E R M O S T A T 1 .
035-17311-003-A-0704 Unitary Products Group 19 T ABLE 8: ELECTRICAL DA T A - DM090 (7-1/2 TON) WITHOUT POWER C ONVENIENCE OUTLET T ABLE 9: ELECTRICAL DA T A - DM090 (7-1/2 TON) WITH POWER CONVENIENCE OUTLET FIGURE 19 - FIELD WIRING DISCONNECT RL A LR A FL A 1.
035-17311-003-A-0704 20 Unitary Products Group T ABLE 10: ELECTRICAL DA T A - DM120 (10 TON) WITHOUT POWER CONVENIENCE OUTLET T ABLE 1 1: ELE CTRICAL DA T A - DM120 (10 TON) WITH POWER CONVENIENCE OUT.
035-17311-003-A-0704 Unitary Products Group 21 OPTIONS/ACCESSORIES ELECTRIC HEA T ACCESSORIES 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 ber .
035-17311-003-A-0704 22 Unitary Products Group ECONOMIZER The Economizer can be a factory installed option or a field installed accessory . If factory installed, refer to the instruc- tions included with the ou tdoor air hood to complete the assembly .
035-17311-003-A-0704 Unitary Products Group 23 FIGURE 20 - ENTHALPY SET POINT CHART 40 (4) 70 (21) 50 (10) 55 (13) 60 (16) 65 (18) 35 (2) 45 (7) 75 (24) 80 (27) 35 (2) 40 (4) 45 (7) 50 (10) 55 (13) 60.
035-17311-003-A-0704 24 Unitary Products Group PHASING Predator ® units are properly phased at the factory . Check for proper compress or rotation . If the blower or compressors rotate in the wrong dire ction at start-up, the electric al connec- tion to the unit is misphase d.
035-17311-003-A-0704 Unitary Products Group 25 T ABLE 17: 7-1/2 T O N ST ANDAR D MOTOR DOWN SHOT BLOWER PERFORMANCE * † ESP ‡ TURNS OPEN ** 0123 4 5 CFM W †† BHP CFM W †† BHP C FM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP 0.
035-17311-003-A-0704 26 Unitary Products Group T ABLE 19: 10 T ON ST ANDARD MOTOR DOWN S HOT BLOWER PERFORMAN CE * † ESP ‡ TURNS OPEN ** 012345 CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BH P 0.
035-17311-003-A-0704 Unitary Products Group 27 T ABLE 21: 12-1/2 T ON ST ANDARD MOTOR DOWN SHOT BLOW ER PERFORMANCE * † ESP ‡ TURNS OPEN ** 012345 CFM W †† BHP CFM W †† BH P CFM W †† BHP CFM W †† BHP CFM W †† BHP CF M W †† BHP 0.
035-17311-003-A-0704 28 Unitary Products Group T ABLE 23: 7-1/2 T O N ST ANDARD MOTOR SIDE SHOT BLOWER PERFORMANCE * † ESP ‡ TURNS OPEN ** 01234 5 CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP CFM W †† BHP 0.
035-17311-003-A-0704 Unitary Products Group 29 T ABLE 25: 10 T ON ST ANDARD MOTOR DOWN SHOT BLOW ER PERFORMANCE * † ESP ‡ TURNS OPEN ** 012345 CFM W †† BHP CFM W †† BH P CFM W †† BHP CFM W †† BHP CFM W †† BHP CF M W †† BHP 0.
035-17311-003-A-0704 30 Unitary Products Group NOTES FOR T ABLE 17 THROUGH T ABLE 28: • Blower pe rformance includes dry coil and two-inch filters. • Blower performan ce for gas heat includes the maximum number of heat tubes available for each tonnage.
035-17311-003-A-0704 Unitary Products Group 31 AIR BALANCE S tart the supply air blower motor . Adjust the resistances in both the suppl y and the return air duct systems to balance the a i r distribution throughout the condit ioned space.
035-17311-003-A-0704 32 Unitary Products Group SUPPL Y AIR DRIVE ADJUSTMENT At unit start-up, the measured CFM may be high er or lower than the required CFM.
035-17311-003-A-0704 Unitary Products Group 33 OPERA TION SEQUENCE OF OPERA TIONS OVERVIEW For the Predator ® series of unit s, the thermostat makes a cir- cuit between "R" and "Y1" for the first stage of cooling.
035-17311-003-A-0704 34 Unitary Products Group COOLING SEQUEN CE OF OPERA TION CONTINUOUS BLOWER By setting the room thermostat fan switch to "ON," the supply air blower will operate continuously .
035-17311-003-A-0704 Unitary Products Group 35 COOLING OPERA TION ERROR S Each cooling system is monitore d for operation outside of the intended parameters. Errors are handled as described below . All system errors override mi nimum run times for compres- sors.
035-17311-003-A-0704 36 Unitary Products Group a compressor too soon after its previous run. Additionally , a minimum run time is impo sed any time a compre ssor is ener- gized. The ASCD is initiated on unit start-up and on any compressor reset or lock-out.
035-17311-003-A-0704 Unitary Products Group 37 ST ART -UP (COOLING) PREST ART CHECK LIST After installation has been completed: 1. Check the electrical sup ply voltage being supplied. Be sure that it is the same as listed on the u nit nameplate. 2. Set the room thermostat to the off position.
035-17311-003-A-0704 38 Unitary Products Group T ABLE 35: 10 TON STANDARD EFFICIENCY SUP ERHEAT CHARGING Out door Te m p ( ° F ) Superheat at Compressor Suction (°F) Airflow = 4000 CFM Indoor WB T emp (°F) 55 57 59 61 63 65 67 69 71 73 7 5 65 19. 6 20.
035-17311-003-A-0704 Unitary Products Group 39 NORMAL MAINTENANCE GENERAL FIL T ERS Inspect once a mo nth. Replace dispos able or clean perma- nent type as necessary . DO NOT replace permanent type with disposable. MOTORS Indoor fa n and outdoor fan moto rs are permanently lubri cated and require no mai ntenance.
035-17311-003-A-0704 40 Unitary Products Group T ABLE 37: UNIT CONTROL BOARD FLASH CODES Flash Code Description On Steady Control F ailure - Repla ce Control Heart Beat No rmal Operation 1 Flash Not A.
035-17311-003-A-0704 Unitary Products Group 41 COOLING TROUBL ESHOOTING GUIDE On calls for cooling, if the compressors are operati ng but the supply air blower motor do es not energize after a short de lay (the room thermostat fan switch is in the “AUTO” position): 1.
035-17311-003-A-0704 42 Unitary Products Group locked out the compressor for repeat trips. The UCB should be flashing an ala rm code. If not, press and release the ALARMS button on the UCB. The UCB will flash the last five alarms on the LED. If the compressor is locked out, cancel any call for cooling.
035-17311-003-A-0704 Unitary Products Group 43 9. If 24 volts is present at the UCB Y2 terminal and none of the protection switches have opened, the UCB may have locked out the comp ressor fo r repeat trips. The UCB should be flashing a code. If not, press and release the ALARMS button on the UCB.
Subject to change without notice. Print ed in U.S.A. 035-17311-003-A-070 4 Copyright © 2004 by Unitary Products Gro up. All rights reserved. Supersedes: 035-17311- 002-A-0803 Unitary 5005 Norman Product s Y ork OK Group Drive 73069 terminal.
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If you have not bought York DM090 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data York DM090 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, York DM090 you will learn all the available features of the product, as well as information on its operation. The information that you get York DM090 will certainly help you make a decision on the purchase.
If you already are a holder of York DM090, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime York DM090.
However, one of the most important roles played by the user manual is to help in solving problems with York DM090. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device York DM090 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
