506393−01
*P506393-01*
11/10
*2P1110*
2010
Litho U.S.A.
WARNING
Improper installation, adjustment, alteration, ser-
vice or maintenance can cause property damage,
personal injury or loss of life. Installation and ser-
vice must be performed by a qualified installer, ser-
vice agency or the gas supplier
CAUTION
Danger of sharp metallic edges. Can cause injury.
Take care when servicing unit to avoid accidental
contact with sharp edges.
INSTALLATION
INSTRUCTIONS
KHA180 (15-TON)
KHA240 (20-TON)
HEAT PUMP UNITS
506393−01
11/2010
Supersedes 10/2010
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
Table Of Contents
Dimensions Page 2. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Arrangement Page 3. . . . . . . . . . . . . . . . . . . . .
Shipping And Packing List Page 3. . . . . . . . . . . . . . .
General Page 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Requirements Page 3. . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Support Page 4. . . . . . . . . . . . . . . . . . . . . . . . . . .
Duct Connection Page 5. . . . . . . . . . . . . . . . . . . . . . .
Rigging Unit For Lifting Page 5. . . . . . . . . . . . . . . . . .
Condensate Drains Page 5. . . . . . . . . . . . . . . . . . . . .
Electrical Connections Page 6. . . . . . . . . . . . . . . . . .
Unit Power−Up Page 7. . . . . . . . . . . . . . . . . . . . . . . . .
Blower Operation and Adjustment Page 8. . . . . . . .
Cooling Start−Up Page 12. . . . . . . . . . . . . . . . . . . . . . .
Defrost Control Board Page 14. . . . . . . . . . . . . . . . . . .
Heating Start−Up Page 15. . . . . . . . . . . . . . . . . . . . . . .
Service Page 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .