STI 18729 - Manual (Page 2)

© 2010 Pentair Technical Products 89059119 - 2 -
NOTE: Some of the information in this manual may not apply if a special unit was ordered. If
additional drawings for a special unit are necessary, they have been inserted. Contact McLean
Cooling Technology if further information is required.
TABLE OF CONTENTS
RECEIVING THE AIR CONDITIONER .............................................................................................................................................................. 3
HANDLING AND TESTING THE AIR CONDITIONER ................................................................................................................................. 3
INSTALLATION INSTRUCTIONS ..................................................................................................................................................................... 4
Design Data ................................................................................................................................................................................................. 4
Dimensional Drawing .............................................................................................................................................................................. 4
Mounting Cutout Dimensions .............................................................................................................................................................. 5
Components List ........................................................................................................................................................................................ 5
Wire Diagrams ............................................................................................................................................................................................ 6
Without Heat ....................................................................................................................................................................................... 6
With Heat .............................................................................................................................................................................................. 7
Schematics ................................................................................................................................................................................................... 8
TEMPERATURE CONTROL ............................................................................................................................................................................... 9
Units With heat ........................................................................................................................................................................................... 9
PRINCIPLES OF OPERATION ........................................................................................................................................................................... 9
MAINTENANCE .................................................................................................................................................................................................10
Compressor ...............................................................................................................................................................................................10
Inlet Air Filter .............................................................................................................................................................................................10
How To Remove, Clean or Install a New Inlet Air Filter ..............................................................................................................10
Condenser and Evaporator Air Movers ............................................................................................................................................11
Refrigerant Loss........................................................................................................................................................................................11
TROUBLE SHOOTING ......................................................................................................................................................................................12
Basic Air Conditioning Trouble Shooting Check List ..................................................................................................................12
Symptoms and Possible Causes: ........................................................................................................................................................13
WARRANTY ........................................................................................................................................................................................................14
RETURN AND REPAIR POLICY ......................................................................................................................................................................14
LIMITATION OF LIABILITY ..............................................................................................................................................................................15