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Summary of Contents for PAB075N2HB

Page 1: ... Requirements 3 3 Locating the Unit 4 4 Electrical Wiring 7 5 Air Distribution System 9 6 Economizer Accessory 10 7 Start up Procedures 11 8 Operation 13 9 Maintenance 14 10 Rigging Instructions 16 I DIRECT DRIVE BLOWER c I o I SINGLE PACKAGE AIRCONDITIONER ELECTRIC HEAT OPTIONAL Printed in U S A 513 01 1005 00 10 23 01 ...

Page 2: ...381 R 19 483 S 2 4 3 1 6 78 429 I I I LOW VOLTAGE 1 2 CONDU_T ELECTRIC HEAT POWER 1 1 1 2 2 CONDUIT UNIT ELECTRICAL POWER 3 4 1 1 1 4 CONDUIT UNIT BASE SHOWN SEPARATELY TO ILLUSTRATE BOTTOM DUCT OPENINGS Note Above dimensions are ininches DiM A B C D E F G H I J _ ROOF CURB ALL MODELS INCHES 67 34 64 34 23 23 2 2 42 3_4 39 34 23 2 12 4 MILLIMETERS 721 1645 584 584 64 1086 010 584 305 305 356 j pJ ...

Page 3: ... Requirements The signal word CAUTION is used throughout this manual in the following manner CAUTION Installation or repairs made by unqualified per sons can result in hazards to you and others Installation MUST conform with local building codes or in the absence of local codes with the National Electrical Code NFPA70 1990 or current edition or in Canada CSA C22 1 Canadian Elec trical Code Part 1 ...

Page 4: ... roof covering material 0 Clearances The location MUST allow for minimum clearances and should not be adjacent to a patio or other area where the unit s operating sound level might be objectionable Local codes MUST be observed Minimum clearances as specified belowand in FIGURE 1 MUST be maintained from adjacent structures to provide adequate air circulation and room for service personnel While min...

Page 5: ...ructure and local building codes or ordinances and reinforce roof structure if necessary See FIGURE 11 on the back cover of this manual for unit weights and corner weights Support for the unit MUST be level and strong enough to carry unit weight The support may consist of a platform or a combination of platform and roof beams or curb The platform may be constructed of pressure treated wood and may...

Page 6: ...es Manufacturer is NOT responsi ble for improper installation practices 3 Install unit on the appropriate roof curb Blockoff Plate FIGURE 3 Return Air Compartment Condensate Drain The condensate drain outlet is a 3 4 19 1mm threaded female PVC connection located at the bottom of the unit to the left of the electrical access panel see FIGURE 4 Con densate drain outlet MUST be held with wrench when ...

Page 7: ... unit cornerpost through the wire clip provided and up to the low voltage terminal board NOTE If an Electric Heat Accessory is installed see the Electric Heat Accessory Installation Manual for low voltage connections If an economizer is installed see the follow ing section Low Voltage Wiring With Economizer Option Low Voltage Wiring With Economizer Option Same as the above Low Voltage Wiring secti...

Page 8: ...ices which are field installed and located MUST NOT exceed the temperature limitations for type T wire and MUST be installed according to the manufacturer s instructions for the devices Final Electrical Check Make a final wiring check to be sure system is correctly wired Inspect field installed wiring and the routing to en sure that rubbing or chafing due to vibration will not occur 2 Remove the e...

Page 9: ...l lead to premature fail ure of components This will also adversely affect day to day unit performance Refer to unit rating plate for proper Electric Heat Accessory sizing and see the Temperature Rise Check section in the Electric Heat Accessory Installation Instructions Installation Instructions Ductwork Insulation It is recommended that ductwork installed outdoors have a minimum of 2 51mm of fib...

Page 10: ...ion 1 2 The outdoor air dampers will open to the minimum position for outdoor air On the thermostat s call for cooling the thermostat completes Circuit 1 between thermostat terminals R and G and Y1 for first stage cooling If the economizer s enthalpy sensor determines that the outdoor air conditions are below the setting for economizer operation the outdoor air dampers will modulate open and the r...

Page 11: ...Refer to FIGURE 7 on Page13 and the unit s wiring dia gram which is attached to the inside of the electrical ac cess panel and is also published in the Technical Support Manual Wire the speed tap as required Cooling and Heating If an Electric Heat Accessory is used see its Installation Manualfor proper heating speed tap settings If it has been determined that cooling and heating speeds are needed ...

Page 12: ...wer ON Nothing should start run ning Set thermostat fan switch to ON The circulating air blower should come ON Single Package Air Conditioners I Resset thermostat fan switch to AUTO The circulat ing air blower should go OFF Nothing should be run ning ...

Page 13: ...ne min ute then OFF During power application check the following a Contactor Contacts closing b Compressor ON 5 Turn electric power OFF check the following a Contactor contacts opening b Compressor OFF c Condenser fan motor OFF d Circulating blower OFF Heating If an Electric Heat Accessory is used see its Installation Manual for proper heater operation FIGURE 7 Blower Motor Speed Taps 3 Speed and ...

Page 14: ...start in cooling mode adjust the thermostat to the desired tempera ture and set the thermostat Heat Cool selector switch to COOL To restart in heating mode if Electric Heat Accessory is installed adjust the thermostat to the desired temperature and set the thermostat Heat Cool selector switch to HEAT 2 To shut the unit down completely turn electric power OFF Thermostat Fan Switch Operation With th...

Page 15: ...T be trimmed back so it is no closer than 30 inches 762mm to unit Condensate Drain Check for condensate drainage Clean as required Annual Maintenance and Inspection Electrical shock hazard Turn OFF electric power supply at disconnect switch or service panel before removing any ac cess or service panel from unit Failure to follow this warning can result in prop erty damage personal injury and or de...

Page 16: ...5 Reach behind blower housing and locate blower wheel set nut Loosen blower wheel set nut 6 Disconnect all wires from motor and remove the four pins securing the blower motor mounting cradle to blower housing 7 Pull motor towards you and remove 8 When finished reassemble in reverse order Blower Motor and Blower Housing Removal Using Method 2 1 Turn electric power OFF Single Package Air Conditioner...

Page 17: ...to prevent unit damage Be sure rigging and shackles are sufficient to handle weight listed below SARS DETAIL A CABINET C COOLING CAPACITY RANGE 3 6 3 TONS LENGTH IN MM 73 00 1854 WIDTH IN MM 48 00 1219 HEIGHT IN MM 36 50 927 MAX WEIGHT LB KG 670 303 CORNER WEIGHTS in LBS KG CORNER WEIGHTS MODEL NUMBER OPERATING WEIGHT A B C D 3 TON 560 254 117 53 128 58 164 74 151 68 31 2 TON 570 259 119 54 130 59...

Page 18: ... Warranty DOES NOT COVER any labor material refractory chambers oii nozzles refrigerant refrigerant inspection and refrigerant reclaiming freight and or handling charges associated with any repair or replacement and such charges will be your responsibility Toestablish the installation date for any purpose under this Limited Warranty you must retain the original records that can establish the insta...

Page 19: ...2 CAC4 KAC0 TCA0 TCA2 TCA4 HHP0 HHP2 HHP4 CliP0 CliP2 CliP4 TCH0 TCH2 TCH4 PGME PYMC PHAD PGAD PA95 PAPC PAK APK Tothe original purchaser a replacement for 10 years from original date of installation only if the unit is installed with factory matched coils except air conditioner condensing units with a nominal SEER of 10 may be matched with evaporator coils of the same nominal tonnage regardless o...

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