Eev-Set - Mitsubishi Heavy Industries FDK15KXZE1 Technical Manual

11.3 EEV-SET

How to install Electronic Expansion Valve outside of the AC unit
The external expansion valve is installed outside the KX indoor unit series, and
control refrigerant flow to decrease refrigerant flow noise from the indoor unit.
This manual is for the installation of EEV-SET to install indoor - outdoor unit piping.
Installation for indoor/outdoor unit, refer to the installation manual attached to an indoor/outdoor unit.
① Check before installation
<Applicable AC unit> KX series indoor unit Type FDK22 - 90
1) Please check if following parts are all included in EEV6-71-E (Type 22-71) and EEV6-160-E (Type 90).
COIL ASSY,SOLENOID
2) Please check if condition for installation satisfi es the followings.
・ Check if EEV-SET piping can be connected liquid refrigerant piping in the ceiling.
・ Make the inspection port where EEV-SET can be inspected from.
・ Keep 5 m or less between indoor unit and EEV-SET
・ Keep 2.5 m height difference between indoor unit and EEV-SET.
Liquid pipinｇ
（Branch piping side）
Gas piping
1pc
Service hole
MAX： 5 m
VALVE ASSY, EXPANSION
EEV-SET
Ceiling
Indoor unit
122
– –
'17 • KX-T-264
1pc
MAX ： 2.5 m