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ML296UHV(X) Series
Lennox ML296UHV(X) Series Manuals
Manuals and User Guides for Lennox ML296UHV(X) Series. We have
2
Lennox ML296UHV(X) Series manuals available for free PDF download: Manual, Unit Information
Lennox ML296UHV(X) Series Manual (52 pages)
Brand:
Lennox
| Category:
Furnace
| Size: 2.72 MB
Table of Contents
Table of Contents
1
Specifications
2
Blower Data
3
Ml296Uhv Parts Identification
8
Control Transformer
9
Door Interlock Switch
9
Integrated Control
9
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 (51 pages)
Brand:
Lennox
| Category:
Furnace
| Size: 7.32 MB
Table of Contents
Table of Contents
1
Specifications
2
Blower Data
4
I Unit Components
9
Installation
21
Start up
43
Heating System Service Checks
44
Typical Operating Characteristics
47
Maintenance
47
Wiring and Sequence of Operation
50
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