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Table of Contents
Safety Information .......................................................3
Inspection .....................................................................3
Nomenclature ...............................................................4
Dimensional Data .......................................................5
Wall Opening Requirements ..................................6
Installation Considerations ....................................7
Preparing the Unit for Installation ...........................8
Installation of: ...........................................................8
Louver Frame ........................................................8
Cabinet/Wall Sleeve Extension .............................8
Optional Condensate Drain Kit .............................9
Room Cabinet/Wall Sleeve .............................10-11
Heating/Cooling Chassis .....................................12
Heat Fan Lock Out Control .................................12
Equipment Start-up ..............................................13
Start-up Report-Audit .........................................14
Controls ..............................................................15-26
Standard Digital Touchpad Control ................15-17
Modes of Operation ........................................17-21
Touchpad Control Operating Instructions ......22-24
Remote Wall Mounted Thermostats ...............25-27
Now that you have made an investment in modern, efficient McQuay
be a high priority. For training information on all McQuay HVAC products, please visit us at www.mcquay.com and
click on Training or phone 540-248-0711 and ask for the Training Department.
IM 950-1 / Page 2 of 38
Wiring Diagrams .................................................27-31
Remote Thermostat With Secondary Units .........27
Digital Control Board ..........................................28
Digital Control Board ..........................................29
Digital Control Board With Standby Power ........30
Scheduled Maintenance ........................................32-33
Faults and Protection Codes for
PTAC/PTHP Control Board .......................................34
Solid State Digital Controls-LUI Interface
Display Codes ............................................................34
Troubleshooting Chart ..........................................35-36
Approximate Shipping Weights .................................37
equipment, its care and operation should
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