Table Of Contents - Lennox CHA16 Service Manual

Table of Contents

Table Of Contents1
Specifications2
Optional Accessories3
Electrical Data7
Cha16-823 Blower Performance8
Cha16-953 Blower Performance8
Cha16-1353 Blower Performance8
Cha16-1603 Blower Performance9
Blower Data10
Accessory Air Resistance11
Ped16-185 & Ped16-300 Power Exhaust Fans Performance12
Ceiling Diffuser Air Throw Data12
823/953 Parts Arrangement12
1353/1603 Parts Arrangement13
2553/2753/3003 Parts Arrangement14
Cha16-823, -953 Control Box Components14
Cha16-1353, -1603 Control Box Components15
Cha16-1853 Unit Control Box15
Application16
Unit Components16
Lifting Brackets16
Control Box Components16
Blower Motor Overload Relay S4218
Compressor Delay Dl1518
Pilot Relay Board A1118
Indoor Blower Contactor K318
Cooling Components19
Low Ambient Lockout Switch19
Compressor Motor Protector A9, A1019
Cha16-823, -953 Plumbing Components20
Cha16-1353,-1603 Plumbing Components20
Cha16-1853 Plumbing Components Condensing Section - Vapor Lines21
Cha15-1853 Plumbing Components Condensing Section - Liquid Lines21
Cha16-823,-953,-1353,-1603 Evaporator Plumbing22
Cha16-1853 Plumbing Components Evaporator Section23
Cha16-2553,-2753,-3003 Plumbing Components Evaporator Sections23
Compressors B1, B2 And B1324
Crankcase Heaters Hr1, Hr2 And Hr524
High Pressure Limit S4, S7 And S2824
Loss Of Charge Switch S24, S25 And S3424
Thermometer Well25
Freezestats S49, S50 And S5325
Condenser Fans B4 And B525
Blower Compartment/Power Make-Up Components25
Low Voltage Terminal Strip Tb126
Line Voltage Make-Up Strip Tb226
Typical Blower Compartment And Power Entry26
Electrical Connections27
Placement And Installation27
Startup-Operation27
Cooling System Service Checks27
Indoor Blower Operation/Adjustment28
Blower Operation28
Determining Unit Cfm28
Maintenance29
Blower Belt Adjustment29
Filters29
Evaporator Indoor Coil29
Optional Ech16 Electric Heat30
Matchups And Ratings34
Electric Heat Components34
Contactor K1534
Contactor K1634
Time Delay Dl535
Time Delay Dl1835
High Temperature Limit S1535
High Temperature Limit S6335
Terminal Strip Tb336
Transformer T236
Heating Elements36
Accessories40
Rmf16 Mounting Frame40
Oad16 Outdoor Air Damper40
Economizer40
Remd16M Downflow Economizer41
Emdh16M Horizontal Economizer42
Economizer Accessories42
Ged16 Gravity Exhaust Dampers42
Ped16 Power Exhaust Damper42
Warm Up Kit43
Differential Enthalpy43
Minimum Positioner44
Enthalpy Sensor44
Mixed Air Sensor44
Wiring, Installation, Maintenance45
Modulating Damper Motor Check45
Transitions46
Supply And Return Diffusers46
Firestats46
Cycle Control Kit46
Cycle Control Kit Wiring Diagram47
Low Ambient Kit48
Status Panels Sp11 And Ssp1148
Low Ambient Kit Typical Installation48
Sp11 Application49
Ssp11 Application49
Indications And Functions49
Commercial Controls Hardware49
Optional Commercial Controls Systems51
Typical Filter Access Section 15 Ton And Larger Units51
Warm Up Kit Relay Kit Installation 12.5 Ton And Smaller Units52
Warm Up Kit Relay Kit Installation 15 Ton And Larger Units52
Clocks/Timers54
C1 Diagram With B9 And A16 Diagrams56
C1 Diagram With D5 Diagram58
B41 Diagram With C1 Diagram62
B9 Diagram With C1 Diagram64
A2 Diagram With B2 Diagram70
A5 Diagram With B2 Diagram73
A6 Diagram With B2 Diagram74
A7Diagram With B2 Diagram75
A8 Diagram With B2 Diagram76
A15 Diagram With B9 Diagram77
A16 Diagram With B9 Diagram78
A17 Diagram With B9 Diagram79
A18 Diagram With B9 Diagram80
A19 Diagram With B9 Diagram81
A20 Diagram With B9 Diagram82
A21 Diagram With B9 Diagram83
A22 Diagram With B9 Diagram84
A23 Diagram With B9 Diagram85
A24 Diagram With B9 Diagram86