3D088012A
REYQ-T
VRV4
Heat recovery Piping restrictions
Total Allowed capacity
Capacity [%] Maximum indoor unit
quantity
VRV indoor unit · VRV· indoor unit without
· BS· unit
Hydrobox unit AHU
(*1)
Cooling only
(*4)
· VRV· indoor units only 50~130 64 50~130 % 0~50 % Not allowed Not allowed
· VRV· indoor unit + Hydrobox
50~200 (*2) 32 50~110 % 0~50 % 0~100 % Not allowed
· VRV · indoor unit + · AHU’s ·
50~110 64 50~110 % 0~50 % Not allowed 0~110 %
NOTES
1. Excluding · BS · units and including · EXV· kits.
2. The total capacity of · DX · indoor units and LT Hydrobox units is · 130· %.
3. Other combinations than mentioned in this combination table are prohibited.
4. Cooling-only · VRV· indoor units cannot be combined with HT Hydrobox units.
BS1Q10 BS1Q16 BS1Q25 Multi
· BS branch
Multi · BS· when 2 branches
are combined (*5) (*6)
(*6) (*6) (*6) (*6) (*5) (*6)
· VRV· indoor units
AHU
Maximum· 6· units
Maximum · 100 · class
Maximum· 8· units
Maximum · 160 · class
Maximum· 8· units
Maximum · 250 · class
Maximum· 5· units
Maximum · 140 · class
Maximum· 5· units
Maximum · 250 · class
LT Hydrobox unit Maximum · 100 · class
= 1x HXY080
Maximum · 160 · class
= Maximum · 2 x HXY080·
Or maximum · 1 x HXY125·
Maximum · 250 · class
= Maximum · 3 x HXY080 ·
Or maxium · 2 x HXY125 ·
Or · HXY125 ·
Maximum · 140 · class
= Maximum · 1 x HXY080·
Or maximum · 1 x HXY125·
Maximum · 250 · class
= Maximum · 3 x HXY080·
Or maximum · 2 x HXY125·
Or · HXY080 + HXY 125 ·
NOTES
5. When combining · 2· branches, the maximum piping length between the· BS· unit and the indoor unit is 20m. If the length of this piping is 20m increase the size of the liquid pipe.
6. When using Hydrobox units, do not combine them with other types of units.
Amount of units connectiable to a· BS· unit
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