18-GL07D1-4 3
2GN SPLIT INSTALLER’S GUIDE
Table of Contents
Model Nomenclature ....................................................................................4
Physical Data ................................................................................................4
Dimensional Data ........................................................................................5
General Installation Information ...................................................................6
Physical Data - Air Handler ........................................................................10
Line Set Sizes .............................................................................................10
Open Loop Well Water Systems .................................................................11
Closed Loop Ground Source Systems .......................................................13
Hot Water Generator Connections .............................................................14
Electrical Data ............................................................................................16
Thermostat Wiring ......................................................................................16
Wiring Schematics ......................................................................................17
Microprocessor Control .............................................................................18
Operation Logic Data ..................................................................................21
Indoor Split Service Parts List ....................................................................21
DIP Switch Settings ....................................................................................22
Refrigeration ..............................................................................................23
Pressure \ Temperature Conversion ...........................................................26
Operating Parameters ................................................................................27
Pressure Drop ............................................................................................28
Unit Startup ................................................................................................29
Troubleshooting .........................................................................................31
Preventive Maintenance ............................................................................32
Replacement Procedures ...........................................................................32
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