Now that you have made an investment in modern, efcient McQuay
®
equipment, its care and operation should
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.
Table of Contents
Safety Information .......................................................3
Inspection .....................................................................3
Nomenclature ...............................................................4
Introduction ..................................................................5
Dimensional Data .......................................................6
W
all Opening Requirements ..................................7
W
all Construction Types .......................................7
Installation of Subbase ......................................8 & 9
Electric Subbase ....................................................8
Hydronic Subbase .................................................9
Optional Condensate Drain Kit ....................................9
Installation of Condensate Drain Kit .....................10
Installation of Wall Sleeve .......................................11
Considerations .....................................................11
W
all Sleeve Extension for Thick Wall
Construction Types ..............................................
11
Installation of
Wall Sleeve Extension ..................11
Installation of Louver Frame for
Thin
Wall Construction Types .....................................
11
Installation of Recessed Louver Wall Sleeve .........12
Installation Requirements for Recessed
Louver
Wall Sleeve ............................................
12
Anchoring the
Wall Sleeve ..................................13
Attaching Cabinet
Wall Sleeve to Subbase .........13
Installation of Basic Wall Sleeve .............................13
Frame & Brick Wall Construction Type ..............13
Panel
Wall Construction Type ....................14 & 15
Attaching Cabinet
Wall Sleeve to Subbase .........15
Thick
Wall Construction Type .............................16
Attaching Cabinet
Wall Sleeve to Subbase .........17
Outdoor Louvers ..............................................17 &18
T
ypical Louver Design ........................................18
Installation of Louver ..............................................18
Installation of Chassis .........................................18-19
Contr
ols ..............................................................20-31
Standard Digital
Touchpad Control Operation ....21
Standard Digital
Touchpad Control
Modes of Operation ........................................
22-26
Start-up Report-Audit ..........................................27
Premium (Programmable) Digital
T
ouchpad Control Operating Instructions ......28-31
D
igital Touchpad with Automatic Changeover from
Cooling to Heating & Heating to Cooling ...........29
W
ireless Remote Control (Option) ......................33
Remote
Wall Mounted Thermostats ...............32-34
Wiring Diagrams .................................................34-38
Remote Thermostat With Secondary Units
W
iring Connections .............................................34
Premium (Programmable)
Digital Control .....................................................
35
Standard (Non-programmable)
Digital Control
Wiring Diagram ..........................
36
Premium (Programmable)
Digital Control Board with Standby Power ........
37
Digital Control Board without Standby Power ...38
Scheduled Maintenance .............................................39
Recommended Spare Parts ........................................40
Refrigeration Cycle ...................................................40
Faults and Protection Codes for
PTAC/PTHP Control Board .......................................41
Solid State Digital Controls–LUI Display Codes ......41
Troubleshooting Chart ..........................................42-43
Approximate Shipping Weights .................................44