Lennox KHA SERIES - Electric Heat Wiring Diagrams; P Voltage Electric Heat Wiring Diagram

Lennox KHA SERIES

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Page 46

T1EH−7.5, 10, 15, 22.5 kW P VOLTAGE

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Table of Contents

Table of Contents1
KHA Series1
Options/Accessories2
Specifications - Direct Drive Blower5
Specifications - Belt Drive Blower6
Blower Data - Direct Drive - KHA024-0307
Blower Data - Direct Drive - KHA036-0488
Blower Data - Belt Drive - KHA0369
Blower Data - Belt Drive - KHA04810
Blower Data - Belt Drive - KHA06011
Blower Data - Belt Drive - Downflow - KHA07212
Blower Data - Belt Drive - Horizontal - KHA07213
Specifications13
- Blower Data14
- Electrical Data15
- Electric Heat Data15
- Electrical Accessories15
- Electrical Data KHA036S16
- Electrical Data KHA048S17
- Electrical/Electric Heat Data KHA060S18
- Electrical/Electric Heat Data KHA0S7219
Electric Heat Capacities20
- KHA Parts Arrangement21
- KHA Control Box21
I Unit Components22
- KHA Plumbing and S49 Freezestat Location24
- Cooling Components25
- Determining Unit CFM − Direct Drive Blowers26
- Blower Operation26
- Blower Compartment26
- Operation/Adjustment26
- Determining Unit CFM − Belt Drive Blowers27
- Blower Belt Adjustment27
- Direct Drive High Static Applications27
- Minimum and Maximum Pulley Adjustment27
- Check Belt Tension28
- Field−Furnished Blower Drives28
- Blower Assembly28
- Pulley Alignment28
- Optional Electric Heat Components29
- Electric Heat Vestibule30
- Heating Start up31
- Start up Operation31
- Preliminary and Seasonal Checks31
Placement and Installation31
KHA024S/KHA030S/KHA048S/KHA060S Normal Operating Pressures32
System Service Checks32
- Unit Filters33
- Approach Temperature33
Maintenance33
- Remove Filter34
- Clean Outdoor Coil34
Accessories35
- Optional Sensors36
- Outdoor Air Damper36
- Economizer Controls36
- DCV Set and Max Settings37
- A6 Enthalpy Controller37
- Damper Minimum Position37
- Free Cooling Setpoint37
- Economizer Operation38
- Outdoor Air Not Suitable38
- Outdoor Air Suitable38
- Calculate Minimum Fresh Air Percentage Mixed and Return Air Temperature38
- Ecoomizer Operation39
- Power Exhaust Fan39
- Wiring Diagrams/Sequence of Operation40
- KHA024, 036, 048, 060 P Voltage40
- KHA036, 048, 060 y Voltage41
- KHA036, 048, 060 G, J Voltage42
- Sequence of Operation KHA024/06043
- Electronic or Electromechanical Thermostat44
- Economizer45
- Sequence of Operation45
- T1EH−7.5, 10, 15, 22.5 Kw P Voltage46
- T1EHA−7.5, 15, 22.5Kw y Voltage KHA Series Units47
- T1EHA−7.5, 15, 22.5Kw G, J Voltage KHA Series Units48
- Sequence of Operation −T1EH 7.5, 10, 15, 22.5Kw − P Voltage49
- Sequence of Operation −T1EH 7.5, 15, 22.5Kw − Y, G, J Voltage49

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