Lennox LGA300H4B Manuals

Manuals and User Guides for Lennox LGA300H4B. We have 1 Lennox LGA300H4B manual available for free PDF download: Unit Information

Lennox LGA300H4B Unit Information

Lennox LGA300H4B Unit Information (76 pages)

Brand: Lennox | Category: Air Conditioner | Size: 2 MB

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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