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General operation
Service manual
13
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
VRV systems have combination limits for different types of indoor units and also limits for piping length and
connection ratio for each indoor unit combination pattern. Refer to the Engineering Databook.
The list below is only for reference of compatible units. Always refer to Engineering Databook for compatibility.
Round flow
cassette FXFQ
Ceiling suspended
FXHQ
Fully flat cassette
FXZQ
4 Way ceiling
suspended – FXUQ
2 Way cassette
FXCQ
Concealed floor
standing - FXNQ
Corner cassette
FXKQ
Floor standing
FXLQ
Concealed ceiling
FXDQ
AHU kit EKEXV +
EKEQM - EKEQF
Concealed ceiling
with medium ESP -
FXSQ
Low temperature
Hydrobox - HXY
Concealed ceiling
with high ESP -
FXMQ
High temperature
Hydrobox - HXHD
Wall mounted
FXAQ
Air curtain CYVS,
CYVM, CYVL
Summary of Contents for VRV IV+
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