Ductless Multi-Split Heat Pump
Service Manual
Design may vary by model number.
• Please read this manual before using the heat pump.
• Keep this user manual for future reference.
Table of Contents
Introduction ............................................................................................................... A-1
Outdoor Technical Overview ...................................................................................... B-1
Wall Mount Technical Overview ..................................................................................C-1
Compact Cassette Technical Overview ......................................................................D-1
Large Cassette Technical Overview ............................................................................ E-1
Slim Duct Technical Overview .................................................................................... F-1
Mid-Static Ducted Technical Overview .......................................................................G-1
Medium Static Ducted (Pro Series) Technical Overview ..............................................H-1
Console Technical Overview ........................................................................................ I-1
Troubleshooting & Reference ..................................................................................... J-1
Outdoor
2U18MS2VHB
3U24MS2VHB
4U36MS2VHB
Indoor
Wall Mount - Highwall
AW07EH2VHA
AW09EH2VHA
AW12EH2VHA
AW18EH2VHA
AW07LC2VHB
AW09LC2VHB
AW12LC2VHB
AW18LC2VHB
AW24LP2VHA
2’x2’ Compact Cassette
AB09SC2VHA
AB12SC2VHA
AB18SC2VHA
3’x3’ Large Cassette
AL24LP2VHA
Slim Duct
AD07SL2VHB
AD09SL2VHB
AD12SL2VHB
AD18SL2VHB
Mid-Static Ducted
USYM09UCDSA
USYM12UCDSA
USYM18UCDSA
USYM24UCDSA
Medium Static Ducted
AM24LP2VHA
Console
USYF09UCDWA
USYF12UCDWA
USYF18UCDWA
• Before troubleshooting or servicing equipment, review equipment installation guides
and conrm ALL installation requirements & specications have been met. Including,
but not limited to: wiring, clearance, ducting (where applicable), power, and line set
requirements. Correct any installation issues before continuing.
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