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Special requirements for R32 units
Installer and user reference guide
70
REMA5+REYA8~20A7Y1B
VRV 5 heat recovery
4P687640-1 – 2022.07
Flow chart (for EACH BS unit branch pipe port)
Procedure to check if
smallest room size meets
requirements
Continued on next column/page
Derive maximum indoor capacity
to connect to branch pipe port.
See step 2 in above text.
Determine smallest room area
served by same branch pipe port.
See step 1 in above text.
Change installation for this port:
1. Increase area of smallest room.
OR
2. Reduce connected indoor capacity
below limit
OR
3. Add additional countermeasures
as described in applicable legislation.
OR
4. Split indoor capacity over 2 separate
BS unit ports.
OR
5. Fine tune system with
VRV Xpress
.
Total indoor capacity index
<
Capacity index limit?
A
min
[m²]
Indoor capacity
class limit
YES
YES
NO
Any indoor units on
lowest underground floor?
NO
Start installation
