Daikin AWST18SU14 AA Series Installation Instructions Manual Download | Manualshive

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Summary of Contents for AWST18SU14 AA Series

Page 1: ... PERSONAL INJURY OR DEATH WARNING WARNING TO PREVENT THE RISK OF PROPERTY DAMAGE PERSONAL INJURY OR DEATH DO NOT STORE COMBUSTIBLE MATERI ALS OR USE GASOLINE OR OTHER FLAMABLE LIQUIDS OR VAPORS IN THE VICINITY OF THIS APPLIANCE CAUTION HAVE YOUR CONTRACTOR IDENTIFY ALL THE VARIOUS CUT OFF SWITCHESAND DEVICES THAT SERVICE THIS UNIT KNOW WHERE THE SWITCH IS THAT WILL CUT OFF ENERGY TO THE HEATING SY...

Page 2: ...red directly from the supplier United Air Filter Charlotte NC Phone 704 334 5311 AWST 18 24 Part BT1369604 14 x 18 x 1 AWST 30 36 Part BT1369608 18 x 20 x 1 For large chassis AWST30 36 fresh air filters must be provided by contractor 5 Pre Installation Instructions 5 1 Preparation Keep this document with the unit Carefully read all instruc tions for the installation prior to installing product Mak...

Page 3: ...t may be necessary to insulate the condensate drain line located inside the building Use Armaflex or similar material NOTE If you intend to install this unit with a WAD door it must be mounted 1 4 behind front edge of stud Electrical Supply Wire and MOP INSPECTION OF THE BUILDING ELECTRICAL SERVICE This unit is designed for single phase electrical supply DO NOT OPERATE ON A THREE PHASE POWER SUPPL...

Page 4: ...ess than 1 4 at 0 5 inch H2O 6 4 Fresh Air Openings All AWST models include 4 fresh air knockouts on both sides of the cabinet To utilize simply remove the appropriate knockout and connect fresh air inlet venting directly to cabinet Ensure the unit mounting system does not block the fresh air inlet holes NOTE The installing contractor must take into account any lost capacity due to the the fresh a...

Page 5: ...f subcooling and superheat are low adjust TXV to 7 to 9 F superheat then check subcooling NOTE To adjust superheat turn the valve stem clockwise to increase and counterclockwise to decrease b If subcooling is low and superheat is high add charge to raise subcooling to 7 to 9 F then check superheat c If subcooling and superheat are high adjust TXV valve to 7 to 9 F superheat then check subcooling W...

Page 6: ...OM PRIMARY AND SECONDARY DRAINS CAN BE ACCESSED THROUGH THE BOTTOM OF THE UNIT 3 4 NPT FEMALE CONNECTION NOTE HAND TIGHTEN ONLY SUCTION LINE SMALL CHASSIS REMOVABLE SERVICE DOOR LIQUID LINE R G W C Thermostat Air Handler Condensing Unit 18 Gauge 24 VAC 18 Gauge 24 VAC Y R G W C Y Y Note Connect T2 T3 or T4 to the Y terminal to the outdoor unit See Table below for correct CFM selection Note Tape th...

Page 7: ...6 823 800 777 756 T1 683 604 525 460 369 T2 900 856 803 734 681 T3 1079 1025 989 949 889 T4 944 897 848 783 733 T5 1168 1127 1083 1050 1005 T1 1114 1072 1031 982 924 T2 1114 1072 1031 982 924 T3 1225 1191 1152 1112 1071 T4 1287 1255 1219 1183 1146 T5 1360 1329 1299 1264 1230 CFM delivered against External Static Pressure AWST36LU14 AA Model Speed AWST18SU14 AA AWST24SU14 AA AWST30LU14 AA BLOWER CH...

Page 8: ...S UNIT MULTIPLE POWER SOURCES MAY BE PRESENT FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH Wiring is subject to change Always refer to the wiring diagram on the unit for the most up to date wiring WIRING DIAGRAM AWUF19 16 5 WIRING DIAGRAM AWST18SU14 ...

Page 9: ...UE BR BROWN GR GREEN PU PURPLE RD RED WH WHITE YL YELLOW PK PINK 5 WIRING CODE FACTORY WIRING HIGH VOLTAGE LOW VOLTAGE FIELD WIRING HIGH VOLTAGE 6 COMPONENT CODE C CONTACTOR DISC DISCONNECT SWITCH EM EVAPORATER MOTOR F FUSE HTR HEATER ELEMENT R RELAY SEQ SEQUENCER TL THERMAL LIMIT TR TRANSFORMER 7 FOR UNITS USING 3KW AND 5KW HEAT ERS WHITE WIRE W ILL BE CONNECTED TO TERMINAL 4 BTUh PURPL E 18000 P...

Page 10: ...L 2 FOR 208 VOLTS 2 CONFIRM SPEED TAP SELECT ED IS APPROPRIATE FOR APPLICATION I F SPEED TAPS NEEDS TO BE CHA NGED CONNECT APPROPRIATE WIRE FROM MOTOR TO Y FROM THERMOSTAT CONDENSER SEE TABLE 1 3 ASTERISK INDICATES THAT HEATING ELEMENT THERMAL LIMIT RELAY AND INTERCONNECTING WIRES AND JUMPERS OF HEATER 2 A RE DELETED WITH SINGLE ELEMENT UNITS 4 COLOR CODES BK BLACK BL BLUE BR BROWN GR GREEN PU PUR...

Page 11: ...ust again as required If adjusting the valve has no effect on the SH the valve may be stuck because of dirt or debris or it may have lost the Power Element charge i i After properly reclaiming the refrigerant remove the TXV and check for dirt and debris Clean if possible or replace the TXV and filter drier If the system appears to be flooding compressor frosting or moisture is condensing at the su...

Page 12: ...the unit without first discussing your plans with your dealer or other qualified servicer Restricted airflow could lead to poor operation and or severe equipment damage Likewise it is important to keep the outdoor coil clean Dirt leaves or debris could also restrict the airflow If cleaning of the outdoor coil becomes necessary hire a qualified servicer Inexperienced people could easily puncture th...

Page 13: ...15 START UP CHECKLIST 13 ...

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Page 16: ...s and Training Financing Options is a registered trademark of Maytag Corporation or its related companies and is used under license All rights reserved PRODUCT REGISTRATION Thank you for your recent purchase Though not required to get the protection of the standard warranty registering your product is a relatively short process and entitles you to additional warranty protection except that failure...

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