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Predator PREDATOR MAGNUM DJ150, Installation Manual

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INSTALLATION 
MANUAL

CAUTION:

READ ALL SAFETY GUIDES BEFORE YOU 
BEGIN TO INSTALL YOUR UNIT.

SAVE THIS MANUAL

MAGNUM

SINGLE PACKAGE AIR CONDITIONERS AND

SINGLE PACKAGE GAS/ELECTRIC UNITS

 DJ150

12-1/2 TON

(10.8 EER)

035-19046-002-B-0104

®

 

CONTENTS

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . .4

INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

REFERENCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

RENEWAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . .5

APPROVALS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

NOMENCLATURE  . . . . . . . . . . . . . . . . . . . . . . . . . .6

INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

START-UP (COOLING). . . . . . . . . . . . . . . . . . . . . .39

START-UP (GAS HEAT). . . . . . . . . . . . . . . . . . . . .39

TROUBLESHOOTING  . . . . . . . . . . . . . . . . . . . . . .43

See following pages for a complete Table of Contents.

NOTES, CAUTIONS AND WARNINGS

The installer should pay particular attention to the words:
NOTE,  CAUTION, and WARNING. Notes are intended to
clarify or make the installation easier. Cautions are given
to prevent equipment damage. Warnings are given to alert
installer that personal injury and/or equipment damage
may result if installation procedure is not handled properly.

Tested in accordance with:

Summary of Contents for PREDATOR MAGNUM DJ150

Page 1: ...RE 6 INSTALLATION 8 OPERATION 33 START UP COOLING 39 START UP GAS HEAT 39 TROUBLESHOOTING 43 See following pages for a complete Table of Contents NOTES CAUTIONS AND WARNINGS The installer should pay p...

Page 2: ...ECONOMIZER WITH DUAL ENTHALPY SENSORS 34 ECONOMIZER SINGLE OR DUAL WITH POWER EXHAUST 34 MOTORIZED OUTDOOR AIR DAMPERS 34 COOLING OPERATION ERRORS 34 HIGH PRESSURE LIMIT SWITCH 34 LOW PRESSURE LIMIT...

Page 3: ...44 29 POWER ON FLOW CHART 44 30 TRIP FAILURE FLOW CHART 45 LIST OF TABLES Tbl Pg 1 UNIT VOLTAGE LIMITATIONS 11 2 UNIT TEMPERATURE LIMITATIONS 11 3 UNIT WEIGHTS 12 4 4 POINT LOAD WEIGHT 12 5 6 POINT LO...

Page 4: ...transit If damage is evident the extent of the damage should be noted on the carrier s freight bill A separate request for inspection by the carrier s agent should be made in writing Should overheatin...

Page 5: ...NANCE and SERVICE INFORMATION MANUAL Part Number 035 19047 001 APPROVALS Design certified by CSA as follows 1 For use as a cooling only unit cooling unit with supple mental electric heat or a forced a...

Page 6: ...5 Y Options 4 5 Z Options 3 4 5 Options 1 Disconnect 2 Non Pwr d Conv Outlet 3 Smoke Detector S A 4 Smoke Detector R A 5 Pwr d Conv Outlet A Standard Motor B Standard Motor Economizer Barometric Reli...

Page 7: ...PS Technicoat Evap Coil Coil Guard HN Honeywell Excel 10 Controller DFS APS Technicoat Evap Cond Coils HQ Honeywell Excel 10 Controller DFS APS Technicoat Evap Cond Coils Coil Guard JA Johnson UNT Con...

Page 8: ...ions 5 This equipment is not to be used for temporary heating of buildings or structures under construction PRECEDING INSTALLATION 1 Remove the two screws holding the brackets in the front rear and co...

Page 9: ...codes they are to be installed at the dealer s and or customer s expense Size of unit for proposed installation should be based on heat loss heat gain calculation made according to the methods of Air...

Page 10: ...o the DM DH DJ DR Series footprint are available field installed accessory Tool less door latch Side entry power and control wiring knockouts Compressor 1 access high efficiency compressor w crankcase...

Page 11: ...provided for this purpose LENGTH OF FORKS MUST BE A MINIMUM OF 60 INCHES TABLE 1 UNIT VOLTAGE LIMITATIONS Power Rating Utilization range A in accordance with ARI Standard 110 Minimum Maximum 208 230 3...

Page 12: ...at option A B C D E F DJ150 184 201 220 289 264 242 FIGURE 5 UNIT 6 POINT LOAD FIGURE 6 UNIT CENTER OF GRAVITY A B F E C D LEFT FRONT 47 25 LEFT FRONT Do not permit overhanging structures or shrubs to...

Page 13: ...ee Detail A 119 7 16 Power Entry 2 1 2 Con venience Outlet For Baserail Dimensions See Detail B 6 3 16 30 11 32 Control Entry 7 8 Con venience Outlet Power Entry 7 8 TABLE 6 UNIT CLEARANCES Top Units...

Page 14: ...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 2 18 21 24 Return Air Supply Air Bottom Condensate Entry FRONT Bottom Power Control...

Page 15: ...UCT COVERS Units are shipped with the side duct openings covered and a covering over the bottom of the unit For bottom duct applica tion no duct cover changes are necessary For side duct application r...

Page 16: ...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 D E R C O N D E N S E R S E C T I O N F R O N T R I G H T S U P P L Y R E T U R N 7 6 5 8 9 4 5 0 1 2 3 0 1 2 6 4 1 4 5 9 1 4 1 0 2 3 4 2...

Page 17: ...tat should be located on an inside wall approxi mately 56 inch above the floor where it will not be subject to drafts sun exposure or heat from electrical fixtures or appli ances Follow the manufactur...

Page 18: ...and power wiring information POWER WIRING DETAIL Units are factory wired for the voltage shown on the unit nameplate Refer to Electrical Data Tables 8 and 9 to size power wiring fuses and disconnect...

Page 19: ...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 FIGURE 18 FIELD WIRING DISCONNECT COOLING UNIT WITH WITHOUT ELECTRIC HEAT...

Page 20: ...046 002 B 0104 20 Unitary Products Group FIGURE 19 FIELD WIRING DISCONNECT COOLING UNIT WITH GAS HEAT L1 T1 L2 T2 T3 L3 FACTORY OR FIELD SUPPLIED DISCONNECT THREE PHASE POWER SUPPLY GROUND LUG CONTACT...

Page 21: ...in Circuit Ampacity Amps FLA 208 20 0 146 0 1 5 230 460 575 Voltage Compressors OD Fan Motors Supply Blower Motor FLA TABLE 9 ELECTRICAL DATA DJ150 12 1 2 TON WITH POWERED CONVENIENCE OUTLET RLA LRA F...

Page 22: ...TABLE 10 PHYSICAL DATA Component Model DJ150 Evaporator Blower Blower Centrifugal Dia X Wd in 15 x 15 Motor Standard HP 3 Motor Optional HP 5 Evaporator Coil Rows 4 Fins per Inch 15 Height in 40 Face...

Page 23: ...as piping All units require a one inch pipe connection at the entrance fitting NOTE Maximum capacity of pipe in cubic feet of gas per hour based upon a pressure drop of 0 3 inch W C and 0 6 specific g...

Page 24: ...onverted in the field for use with LP gas with accessory kit model number 1NP0441 All LP gas equipment must conform to the safety standards of the National Fire Protection Association For satisfactory...

Page 25: ...tdoor Damp ers accessories include complete instructions for installation ECONOMIZER The Economizer can be a factory installed option or a field installed accessory If factory installed refer to the i...

Page 26: ...ent Screw fully clockwise This will allow 2nd stage cooling to operate With power exhaust option each building pressurization requirement will be different The point at which the power exhaust comes o...

Page 27: ...C C B B A A CONTROL CURVE CONTROL POINT APPROX 0 F 0 C AT 50 RH A D C B 63 17 73 23 70 21 67 19 FIGURE 23 HONEYWELL ECONOMIZER CONTROL W7212 N1 N P1 P EXH Set EXH Min Pos IAQ Max IAQ IAQ Min Free Coo...

Page 28: ...Fig ure 24 Scroll compressors require proper rotation to oper ate correctly Units are properly phased at the fac tory Do not change the internal wiring to make the blower condenser fans or compressor...

Page 29: ...MANCE ESP TURNS OPEN 0 1 2 3 4 5 CFM W BHP CFM W BHP CFM W BHP CFM W BHP CFM W BHP CFM W BHP 0 4 5994 5400 5 79 5565 4369 4 69 5488 4169 4 47 5264 3599 3 86 4990 3085 3 31 4738 2812 3 02 0 6 5824 5216...

Page 30: ...iable pitch motor sheave where 0 Turns Open is fully closed W Watts TABLE 18 DJ150 12 1 2 TON OPTIONAL MOTOR SIDE SHOT BLOWER PERFORMANCE ESP TURNS OPEN 0 1 2 3 4 5 CFM W BHP CFM W BHP CFM W BHP CFM W...

Page 31: ...THOD TWO 1 Drill two 5 16 inch holes one in the return air duct as close to the inlet of the unit as possible and another in the supply air duct as close to the outlet of the unit as possible 2 Insert...

Page 32: ...est to 4 21 in Close the sheave to 1 turn open New BHP 3 Speed increase BHP at 3 800 CFM 3 Speed increase Original BHP New BHP New motor Amps 3 Speed increase Amps at 3 800 CFM 3 Speed increase Origin...

Page 33: ...associated with the operation When energized the indoor blower has a minimum run time of 30 seconds Additionally the indoor blower has a delay of 10 seconds between operations TABLE 20 ADDITIONAL STAT...

Page 34: ...r fan motor 2 if the ambient tem perature is above 60 F When the thermostat calls for second stage cooling the low voltage control circuit from R to Y2 is completed The UCB energizes the first availab...

Page 35: ...ambient mode Low ambient mode operates the compressors in this manner 10 minutes on 5 minutes off The indoor blower is operated throughout the cycle The 5 minute off period is necessary to defrost the...

Page 36: ...t switch of electric heat units The control circuit includes the following safety controls LIMIT SWITCH LS This control is located inside the heater compartment and is set to open at the temperature i...

Page 37: ...closed RETRY OPERATION When a flame is lost or is not detected during an attempt to achieve ignition a retry operation occurs A 30 second purge is performed between ignition attempts If the unit fails...

Page 38: ...equate supply air flow occurs thus shutting down the heater and energizing the blower AUXILIARY LIMIT SWITCH ALS This control is located inside the supply air compartment and is set to open at the tem...

Page 39: ...o operation 2 Set the room thermostat setting to lower than the room temperature 3 First stage compressors will energize after the built in time delay five minutes 4 The second stage of the thermostat...

Page 40: ...6 If necessary using a screwdriver turn the second stage adjustment screw adjacent to the HI marking on the valve clockwise to increase manifold pressure or coun terclockwise to decrease manifold pre...

Page 41: ...ertain the unit is running on first stage 4 Measure the time needed for one revolution of the hand on the smallest dial on the meter A typical gas meter has a 1 2 or a 1 cubic foot test dial 5 Using t...

Page 42: ...ncrease the blower CFM to decrease the temperature rise decrease the blower CFM to increase the rise See SUPPLY AIR DRIVE ADJUSTMENT NOTE Each gas heat exchanger size has a minimum allowable CFM Below...

Page 43: ...e proce dures so as to prevent personal injury Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dan gerous operation which could cause injury to pers...

Page 44: ...ing Yes Yes Loss of Call for Heating Loss of Call for Cooling Heat Off Cool Off Yes Yes No Call for ID Blower Fan off 10 secs Energize ID Blower Motor Yes Yes No Programming Program Unit Control Board...

Page 45: ...l a g a l a r m C a l l f o r H e a t w o u t G V v o l t a g e N o v o l t a g e 5 m i n F l a g A l a r m F O S i n p u t r e g a i n e d I n c r e a s e i n c i d e n t v a l u e b y 1 N o F O S i...

Page 46: ...f the thermostat and UCB are properly wired replace the UCB On calls for cooling the supply air blower motor is operating but compressor 1 is not the room thermostat fan switch is in the AUTO position...

Page 47: ...st the integrity of the UCB Disconnect the C1 terminal wire and jumper it to the Y1 terminal DO NOT jump the Y1 to C1 termi nals If the compressor engages the UCB has faulted 16 If none of the above c...

Page 48: ...does not operate replace the compressor 6 If 24 volts is not present at M1 check for 24 volts at the UCB terminal C1 If 24 volts is present check for loose wiring between C1 and the compressor contact...

Page 49: ...M3 is not pulled in replace the contactor 5 Failing the above if there is line voltage supplied at M3 M3 is pulled in and the supply air blower motor still does not operate replace the motor 6 If 24 v...

Page 50: ...company If the problem persists the draft motor may need replacement 4 If the furnace is hot it may be out on a high temperature limit open wait for limit reset 5 If all are intact replace the ICB Th...

Page 51: ...035 19046 002 B 0104 Unitary Products Group 51...

Page 52: ...o change without notice Printed in U S A 035 19046 002 B 0104 Copyright 2004 by Unitary Products Group All rights reserved Supersedes 035 19046 002 A 0803 Unitary 5005 Norman Products York OK Group Dr...

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