Lennox ML193UHE Series Installation and operation manual

Page 1
UNIT INFORMATIONUNIT INFORMATION
Service Literature
©2016 Lennox Industries, Inc.
WARNING
Improper installation, adjustment, alteration, service
or maintenance can cause property damage,
personal injury or loss of life. Installation and service
must be performed by a licensed professional HVAC
instale (or equivalent), service agency or the gas
supplier.
CAUTION
As with any mechanical equipment, contact with
sharp sheet metal edges can result in personal
injury. Take care while handling this equipment and
wear gloves and protective clothing.
    󰀩  -
    ™ 
      
       





-

        󰀨 






          
-
-


WARNING
Electric shock hazard. Can cause injury
or death. Before attempting to perform
any service or maintenance, turn the
electrical power to unit OFF at disconnect
switch(es). Unit may have multiple power
supplies.
Table of Contents










ML193UHE


ML193UHE SERIES UNITS

Page 2
SPECIFICATIONS
Gas
Heating
Performance
Model No. ML193UH030XE36B ML193UH045XE36B ML193UH070XE36B ML193UH090XE36C
    
1 93% 93% 93% 93%
    
    
    


   
    
Connections
in.
    
    
    
    
    
Indoor
Blower
    
    
    
    
    
Electrical
Data
 
    
    
Shipping Data     

1󰀩
SPECIFICATIONS
Gas
Heating
Performance
Model No. ML193UH090XE48C ML193UH110XE48C ML193UH110XE60C
   
1 93% 93% 93%
   
   
   


  
   
Connections
in.
   
   
   
   
   
Indoor
Blower
   
   
   1
   
   
Electrical
Data
 
   
   
Shipping Data    

1󰀩

Page 3
OPTIONAL ACCESSORIES
“B” Width Models “C” Width Models
CABINET ACCESSORIES
Horizontal Suspension Kit - Horizontal only 51W10 51W10
Return Air Base - Upow only 50W98 50W99
High Performance Economizer (Commercial Only) 10U53 10U53
CONDENSATE DRAIN KITS
Condensate Drain Heat Cable  26K68 26K68
 26K69 26K69
Crawl Space Vent Drain Kit  51W18 51W18
 15Z70 15Z70
CONTROLS
Blower Relay Kit (for two-stage outdoor units) 85W66 85W66
iComfort®M30 Smart Wi-Fi Thermostat 15Z69 15Z69
Remote Outdoor Temperature Sensor X2658 X2658
Furnace Twinning Panel Y3653 Y3653
Furnace Twinning Kit 16W72 16W72
FILTER KITS
1Air Filter and
Rack Kit
  87L96 87L97
  44J22 44J22
 66K63 66K63
  
NIGHT SERVICE KIT
Night Service Kit 84W48 84W48
TERMINATION KITS

Direct Vent   71M80 69M29
 - - - 60L46
 44W92 44W92
 - - - 44W93
  51W11 51W11
 51W12 51W12
  22G44 - - -
 44J40 44J40
  30G28 - - -
 81J20 81J20


 15F75 15F75
 44J41 44J41
VENTING
Flue Coupling  17H92 17H92
1
44W9244W9330G2851W1281J2015Z70


ML193UH045XE36B PERFORMANCE (Less Filter)
External
Static
Pressure
in. w.g.
Air Volume / Watts at Various Blower Speeds
High

Medium-High

Medium

Medium-Low

Low

cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
      191    
      199    
        119  
    291      
          91
      233    
          
    331      
          
ML193UH070XE36B PERFORMANCE (Less Filter)
External
Static
Pressure
in. w.g.
Air Volume / Watts at Various Blower Speeds
High

Medium-High

Medium

Medium-Low

Low

cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
          
      192    
      199    
        123  
      219  133  93
        139  
  393        
          
          
ML193UH030XE36B PERFORMANCE (Less Filter)
External
Static
Pressure
in. w.g.
Air Volume / Watts at Various Blower Speeds
High

Medium-High

Medium

Medium-Low

Low

cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
    191      
    199  132    
          
          
        91  
    231      
          
          
          
ML193UH090XE36C PERFORMANCE (Less Filter)
External
Static
Pressure
in. w.g.
Air Volume / Watts at Various Blower Speeds
High

Medium-High

Medium

Medium-Low

Low

cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
          
    239      
          
        112  
          
          91
      211  133  
    299  221    
      229    
BLOWER DATA


ML193UH110XE60C PERFORMANCE (Less Filter)
External
Static
Pressure
in. w.g.
Air Volume / Watts at Di󰀨erent Blower Speeds
Bottom Return Air, Side Return Air with Return Air from
Both Sides or Return Air from Bottom and One Side.
Single Side Return Airbold



High

Medium-
High

Medium

Medium-
Low

Low

High

Medium-
High

Medium

Medium-
Low

Low

cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
           2175 607 1930 412      199
           2135 614 1885 421      
           2085 628 1830 437    293  
          229 2035 647        
           1995 657      319  
      399     1985 674    391  329  
           1925 687        
           1900 698        
           1850 711        
ML193UH090XE48C PERFORMANCE (Less Filter)
External
Static
Pressure
in. w.g.
Air Volume / Watts at Various Blower Speeds
High

Medium-High

Medium

Medium-Low

Low

cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
          129
          
  392    219    
        192  
          
          
        221  
        229  
    332      
ML193UH110XE48C PERFORMANCE (Less Filter)
External
Static
Pressure
in. w.g.
Air Volume / Watts at Various Blower Speeds
High

Medium-High

Medium

Medium-Low

Low

cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
          
          
  391        
          
      239    
        212  
        223  
          
          192
BLOWER DATA


PARTS IDENTIFICATION
TOP CAP
BURNER BOX
ASSEMBLY
DuralokPlusTM
HEAT EXCHANGER
ASSEMBLY
CONTROL BOX
former, circuit breaker and interlock switch)
COMBUSTION AIR
INDUCER
BURNER
ACCESS
PANEL
COMBUSTION
AIR PRESSURE
SWITCH
PRIMARY LIMIT
GAS VALVE
BLOWER
ASSEMBLY
FLEXIBLE NO-HUB
EXHAUST COLLAR
COLD END
HEADER BOX
BAG ASSEMBLIES
(shipping location)
BLOWER ACCESS
PANEL
FIGURE 1


I-UNIT COMPONENTS
ELECTROSTATIC DISCHARGE (ESD)
Precautions and Procedures
CAUTION
󰀨

     
       

       
        
   


A-Control Box Components (FIGURE 2)



Control Box
Integrated Control
Door Interlock
Switch
Transformer
Circuit Breaker
FIGURE 2
1. Transformer (T1)
        



2. Door Interlock Switch (S51)

-


3. Circuit Breaker (CB8)

      -

-


4. Integrated Ignition Control (A92)
103217-03 & 107163-01
WARNING
Shock hazard.
Disconnect power before servicing. Control is not
eld repairable. If control is inoperable, simply
replace entire control.
Can cause injury or death. Unsafe operation will
result if repair is attempted.
        

        



      
-



TABLE 1
4-Pin Terminal Designation
 
1
2
3
 
TABLE 2
12-Pin Terminal Designations
 
1
2

3
 
 
 
 
 
9
 
11 
12 


TABLE 3
1/4” Quick Connect Terminals
 
 
 
 
 
 
 
3/16” Quick Connect Terminals
 
 
 



 
 
TABLE 4
Ignition Control 103217-03

2

󰀨 
1
 
1
2
3
 


 

than 3 minutes
 
9
 
11 
12 
13 

 󰀨
 
󰀨󰀨

󰀨
󰀨



Page 9
BLOWER OFF DELAY
RED LED
RECALL BUTTON
IGNITION CONTROL 103217-03
FIGURE 3
Electronic Ignition
-


       

󰀨
       -
-
      -

       
          
-



        
          

-

Fan Time Control - Ignition Control 103217-03
Heating Fan On Time

Heating Fan O Time
󰀨
        
󰀨
   󰀨      

        

󰀨-
-
-


Cooling Fan On Time

Cooling Fan O Time
       󰀨   


HEAT FAN‐OFF TIME IN SECONDS
To adjust fan-off timing, reposition jumper across pins to
achieve desired setting.
NO JUMPER
60 90
120
180
60 90
120
180
60 90
120
180
60 90
120
180
60 Second
off Time
90 Second
off Time
120 Second
off Time
180 Second
off Time
FIGURE 4


TABLE 5
Ignition Control 107163-01
RED LED Flash Code Diagnostic Codes / Status of Furnace
󰀨 
On 
3
1

2
2
2
2
2
2
minutes
2
2
2
2
2
2

 󰀨
 󰀨
󰀨
 󰀨

󰀨
󰀨

IGNITION CONTROL 107163-01
Push Button
Error Recall
Diagnostic LED Heating Blower Off
Delay Selector Switch
FANHEATCOOL24VCOM
PARKS
HUM24
FIGURE 5
Ignition Control 107163-01


󰀨-


󰀨-
󰀨

Blower Delay Select
 
  
  
  
  
