Lennox SW 036, Installation Instructions Manual

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12/11
*2P1211*
506671-01
*P506671-01*

2011
Litho U.S.A.
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
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 or
service agency.
INSTALLATION
INSTRUCTIONS
SW 036
( 3 TON)
SW 060
( 5 TON)
SW 120
(10 TON)
SW 240
(20 TON)
506671-01
12/2011
Supersedes 1/2011
WATER SOURCE HEAT PUMP UNITS
Table Of Contents
Parts Arrangement Page 2 . . . . . . . . . . . . . . . . . . . . .
Dimensions Page 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Shipping And Packing List Page 6 . . . . . . . . . . . . . . .
General Page 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Page 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Support Page 7 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Duct Connection Page 7 . . . . . . . . . . . . . . . . . . . . . . .
Rigging Unit For Lifting Page 7 . . . . . . . . . . . . . . . . . .
Condensate Drains Page 8 . . . . . . . . . . . . . . . . . . . . .
Water Supply Connections Page 8 . . . . . . . . . . . . . . .
Water Bypass Loop Page 11 . . . . . . . . . . . . . . . . . . . . .
Bleed Air From Water Lines Page 11 . . . . . . . . . . . . . .
Factory-Installed Options Page 12 . . . . . . . . . . . . . . . .
Electrical Connections Page 14 . . . . . . . . . . . . . . . . . .
Blower Operation and Adjustment Page 16 . . . . . . . .
Cooling Start-Up Page 24 . . . . . . . . . . . . . . . . . . . . . . .
Water Circuit Operation Page 28 . . . . . . . . . . . . . . . . .
Freeze Protection Page 28 . . . . . . . . . . . . . . . . . . . . . .
Water Quality Guidelines Page 30 . . . . . . . . . . . . . . . .
Service Page 30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SW 036 & 060 Parts Arrangement
INDOOR
COIL
WATER TO
REFRIGERANT
COIL
COMPRESSOR
BLOWER
FILTERS
(FOUR - 16 X 20 X 2”)
WATER INLET
CONNECTION
REVERSING
VALVE
IMC UNIT
CONTROLLER
BOTTOM
POWER ENTRY
WATER OUTLET
CONNECTION
BOTTOM
WATER ENTRY
WATER FLOW
CONTROL VALVE
(SEE FIGURE 6)
CHARGE
COMPENSATOR
BLOWER
MOTOR