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Manual 2100-376L
Page
2 of 81
CONTENTS
Getting Other Information and Publications .............. 4
WG Series Model Nomenclature ............................... 5
Ventilation Options .................................................... 5
Air Conditioning Module Options ............................... 6
1. Important ............................................................ 6
2. Application .......................................................... 6
3. Duct Work .................................................. 6 & 10
4. High Altitude Applications ................................. 10
5. Transportation Damage .................................... 10
6. Installation ........................................................ 10
7. Wall Mounting .................................................. 11
8. Mounting the Unit ............................................. 11
9. Clearances ....................................................... 17
10. Vent Terminal and Combustion Inlet Hood ....... 18
11. Optional Vertical Venting .................................. 18
12. Vent Resizing Instructions ................................ 19
13. Fresh Air Intake ................................................ 19
14. Condensate Drain ............................................ 19
15. Wiring – Main Power ........................................ 20
16. Wiring – Low Voltage Wiring ............................ 21
17. Thermostats ...................................................... 21
18. Gas Supply & Piping ........................................ 25
19. Manifold Pressure Adjustment .......................... 26
20. Checking Gas Input Rate ......................... 26 & 27
21. Standard Orifice Sizing & High
Altitude Derate .................................................. 28
22. Conversion of Gas Input BTUH From High
to Low Rating ................................................... 31
23. Measuring Air Temperature Rise ...................... 31
24. Filters ................................................................ 32
25. Compressor Control Module ..................... 32 & 33
26. Lighting & Shutdown Instructions ..................... 34
27. Service Agency Procedures ............................. 35
28. Maintaining Unit in Good Working Order .. 35 & 36
29. Replacement Parts ............................................ 36
30. Sequence of Operation – Heating .................... 37
31. Sequence of Operation – Cooling .................... 37
32. Indoor Blower Operation .................................. 39
33. WG Dehumidification Unit Relay Logic ............ 47
34. Pressure Service Ports ..................................... 48
35. Dehumidification Circuit .................................... 49
36. Refrigerant Charge ........................................... 50
37. Fan Blade Setting Dimensions ......................... 51
38. Low NOx Burner Assembly "N" Suffix
Models Only – U.S. Installations Only .............. 51
Application Data .............................................. 52 – 54
Index – Wiring Diagrams ......................................... 55
Wiring Diagrams ............................................. 56 – 81
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