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2
SAFETY INFORMATION ...............................3
USER INFORMATION ...................................3
About the Heat pump ................................3
Operating Instructions ...............................3
Cooling Operation ...................................3
Heating Operation ...................................3
Emergency Heat .....................................3
Defrost ....................................................3
System Shutdown ...................................4
Warranty Information .................................4
INSTALLER INFORMATION ..........................4
General Information ...................................4
Pre - Installation Check .............................4
Inspecting Equipment ................................4
HEAT PUMP INSTALLATION ........................5
Locating the Heat pump ...........................5
Unpacking the Unit ...................................5
Minimum Clearances ................................5
Service Access Clearance ........................5
Clearances to Combustibles .....................5
Duct Requirements ...................................5
CONDENSATE DRAINAGE ...........................5
INSTALLING RETURN and SUPPLY
FITTINGS ....................................................6
Supply Duct ..............................................6
Return Duct ..............................................6
LOCATING and INSTALLING the
RETURN AIR ASSEMBLY .............................6
LOCATING and INSTALLING the
SUPPLY DAMPERS .......................................7
DUCTING SYSTEM .......................................7
Connecting the Return and Supply Air
Flexible Ducts ............................................8
Blower Speed ...........................................8
ELECTRICAL CONNECTIONS .....................8
High Voltage ..............................................8
Low Voltage ...............................................8
Overcurrent Protection...............................9
Locating the Thermostat ............................9
2 - Speed Outdoor Fan Motor ....................9
Low Pressure Switch .................................9
High Pressure Switch ................................9
Defrost Cycle Control ................................9
Ambient Sensor Mounting .......................11
Electric Heat Package .............................11
SYSTEM OPERATION .................................12
Pre - Start Checklist .................................12
Start - Up Procedure ...............................12
Air Circulation .......................................12
System Heating ....................................12
System Cooling ....................................12
Short Cycle Protection..........................12
Emergency Heat ...................................12
Defrost Test Procedure ............................12
Anti Short Cycle Timer Test .....................13
Heating Mode .......................................13
Cooling Mode .......................................13
ADJUSTMENT of REFRIGERANT
CHARGE ..................................................13
Charging an R410A Unit in AC
Mode at Outdoor Temperature
above 65° F ...........................................1 3
Charging an R410A Unit in
Heating Mode ........................................1 3
REFRIGERANT CHARGING CHARTS
for COOLING MODE of OPERATION .........14
Figure 11 - 2 Ton Units ............................14
Figure 12 - 3 Ton Units ............................14
Figure 13 - 4 Ton Units ............................15
Figure 14 - 5 Ton Units ............................15
REFRIGERANT CHARGING TABLES
for HEATING MODE of OPERATION ..........16
Charging Tables - 2 & 3 Ton Units............16
Charging Tables - 4 & 5 Ton Units............17
WIRING DIAGRAMS ....................................18
Figure 15 - 2 & 3 Ton Units ...........................18
Figure 16 - 2 & 3 Ton Units ...........................19