Table Of Contents - Lennox LCH036 Installation Instructions Manual

Litho U.S.A.
2015
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 licensed professional
HVAC installer or equivalent, service agency, or the
gas supplier
CAUTION
Danger of sharp metallic edges. Can cause injury.
Take care and wear protective clothing when
servicing unit to avoid accidental contact with
sharp edges.

Table Of Contents

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Arrangements . . . . . . . . . . . . . . . . . . . . . . . . .
Shipping and Packing List . . . . . . . . . . . . . . . . . . . .
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Duct Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Rigging Unit For Lifting . . . . . . . . . . . . . . . . . . . . . . .
Condensate Drains . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Piping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure Test Gas Piping . . . . . . . . . . . . . . . . . . . . .
High Altitude Derate . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Connections . . . . . . . . . . . . . . . . . . . . . . .
Blower Operation and Adjustments
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE
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INSTALLATION
INSTRUCTIONS
LGH092H, LCH092H
LGH094U, LCH094U
LGH102H, LCH102H
LGH120H, LCH120H
LGH122U, LCH122U
LGH150S, LCH150S
LGH152U, LCH152U
PACKAGED UNITS
507245-02
9/2015
Supersedes 507245-01
Cooling Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Heat Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heating Operation and Adjustments
Electric Heat Start-Up . . . . . . . . . . . . . . . . . . . . . . . .
Supply Air Inverter Start-Up
Supply Air Inverter and Direct Drive Operation
Direct Drive Start-Up . . . . . . . . . . . . . . . . . . . . . . . . .
Hot Gas Reheat Operation and Start-Up
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Controller Parameter Settings
LGH SHOWN
(7.5 Ton)
(7.5 Ton)
(8.5 Ton)
(10 Ton)
(10 Ton)
(12.5 Ton)
(12.5 Ton)
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Page 38
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Page 41
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