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LGC Series
Lennox LGC Series User Manual
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Page 29
COMBUSTION AIR
BLOWER
EV
APORA
TOR
COIL
CONDENSER F
ANS
COMPRESSORS
BURNERS
HEA
T
EXCHANGER TUBES
BLOWERS
FIL
TERS
(12 20 X 20 X 2 in.
[508 X 508X 51mm])
ECONOMIZER
DAMPERS (OPTIONAL)
CONTROL BOX
LGA/LGC P
ARTS ARRANGEMENT
FIGURE 1
ELECTRIC HEA
T
(Optional)
EV
APORA
TOR
COIL
CONDENSER F
ANS
COMPRESSORS
BLOWERS
ECONOMIZER
DAMPERS (OPTIONAL)
CONTROL BOX
FIGURE 2
LCA/LCC P
ARTS ARRANGEMENT
FIL
TERS
(12 20 X 20 X 2 in.
[508 X 508X 51mm])
28
30
Table of Contents
Introduction
1
Table of Contents
2
Specifications
3
Electrical Data
7
High Altitude
7
Electrical Data / Electric Heat Data
7
Options/Accessories
20
Electric Heat Accessories
23
Blower / Acc. Air Resistance Data
24
Parts Arrangement
29
I−Unit Components
31
Control Box Components
31
Cooling Components
39
Blower Compartment
40
Gas Heat Components
44
Electric Heat Components
49
II−Placement and Installation
52
Start up
52
Preliminary Checks
52
Cooling Start up
52
Charging
53
Heating Start up
55
Safety or Emergency Shutdown
56
System Service Checks
57
Heating System Service Checks
57
Cooling System Service Checks
59
Maintenance
59
Filters
59
Lubrication
59
Supply Air Blower Wheel
59
Evaporator and Condenser Coil
59
Electrical
60
VI−Accessories
60
LARMF Roof Mounting Frames
60
Transitions
61
Supply and Return Diffusers
61
LAOAD(M) Outdoor Air Dampers
61
LAREMD Economizers
61
LAGED(H) Gravity Exhaust Dampers
62
LAPEF Power Exhaust Fans
62
Optional Cold Weather Kit
62
Control Systems
63
Smoke Detectors
63
Blower Proving Switch
63
Dirty Filter Switch
63
Indoor Air Quality Sensor
63
LP / Propane Kit
63
Supply Air VFD
63
Wiring Diagrams / Operation Sequence
64
Unit Diagrams
65
Gas Heat
69
Electric Heat
72
Thermostat
72
Economizer
75
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Lennox LGC Series Specifications
General
Brand
Lennox
Model
LGC Series
Category
Air Conditioner
Language
English
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