User Manuals: Lennox ML296UHV(X) Series Gas Furnace

User Manuals: Lennox ML296UHV(X) Series Gas Furnace

Manuals and User Guides for Lennox ML296UHV(X) Series Gas Furnace. We have 2 Lennox ML296UHV(X) Series Gas Furnace manuals available for free PDF download: Manual, Unit Information

Lennox ML296UHV(X) Series Manual

Lennox ML296UHV(X) Series Manual (52 pages)

Brand: Lennox | Category: Furnace | Size: 2 MB

Table of Contents

Table of Contents
1
Specifications
2
Blower Data
3
I Unit Components
9
- Control 5 Pin Terminal Designation
  10
- High Heat State Green LED
  10
- Airflow Adjustments
  10
- Diagnostic Codes Red LED
  10
- Blower Motor
  12
- Internal Operation
  12
- Blower Motor Components
  12
- Emerson Motor Only
  13
- Initial Power up
  13
- Motor Start‐Up
  13
- External Operation (Speed Tap Priority)
  13
- Power Choke
  14
- Precautions
  14
- Emerson Motor Harness Connectors
  14
- Harness Connectors
  14
- Motor Speed Control with D.C. Pulse‐Width Modulation
  15
- Heating Components
  16
- Ignitor
  16
- Flame Sensor
  16
- Gas Valve
  16
- Ml296Uhv Heating Components
  17
- ML296UHV Ignitor Check
  18
- Combustion Air Inducer (B6) and Cold End Header Box
  19
- Combustion Air Inducer Pressure Switch (S18)
  19
- Pressure Switch Check
  20
- Placement and Installation
  21
- Piping and Fittings Specifications
  21
- Joint Cementing Procedure
  22
- Outdoor Termination Usage
  22
- Venting Practices
  23
- Removal of the Furnace from Common Vent
  23
- Horizontal Installation Offset Requirements
  24
- Exhaust Piping
  24
- Vent Piping Guidelines
  24
- Minimum Vent Pipe Lengths
  25
- Piping Size Process
  25
- Maximum Allowable Intake or Exhaust Vent Length in Feet
  26
- Typical Air Intake Pipe Connections
  30
- Intake Piping
  30
- General Guidelines for Vent Terminations
  31
- Vent Termination Clearances
  33
- Crawl Space and Extended Horizontal Venting
  38
- Condensate Piping
  39
- Condensate Trap Locations
  40
- ML296UHV with Evaporator
  40
- Condensate Trap with Optional Overflow Switch
  41
- ML296UHV with Evaporator Coil Using a Common Drain
  41
- Start‐Up
  43
- Preliminary and Seasonal Checks
  43
- Heating Start‐Up
  43
- Priming Condensate Trap
  43
III Start up
43
- Testing Gas Supply Pressure
  44
- CSA Certification
  44
- Heating System Service Checks
  44
- Testing Gas Piping
  44
- Gas Meter Clocking Chart
  45
- Proper Combustion
  45
- Manifold Pressure Settings
  45
- Proper Ground and Voltage
  46
- Blower Operation and Adjustment
  47
- External Static Pressure
  47
Typical Operating Characteristics
47
Maintenance
47
- Winterizing and Condensate Trap Care
  48
- Filters
  48
- Electrical
  48
- Exhaust and Air Intake Pipes
  48
- Cleaning the Burner Assembly
  49
VII- Wiring and Sequence of Operation
50
- Fan on
  51
- Cooling
  51
- Single Stage Cooling
  51
- Two-Stage Cooling
  51

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Lennox ML296UHV(X) Series Unit Information

Lennox ML296UHV(X) Series Unit Information (51 pages)

Brand: Lennox | Category: Furnace | Size: 7 MB

Table of Contents

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