Daikin REYQ-T7Y1B Technical Data Manual page 48

12 Installation
12 - 3 Refrigerant Pipe Selection
REYQ-T
VRV4
Heat recovery Piping restrictions
12
· VRV· indoor units only
· VRV· indoor unit + Hydrobox
· VRV · indoor unit + · AHU's ·
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.
Amount of units connectiable to a· BS· unit
· VRV· indoor units Maximum· 6· units
AHU Maximum · 100 · class
LT Hydrobox unit Maximum · 100 · class
= 1x HXY080
NOTES
5. When combining · 2· branches, the maximum piping length between the· BS· unit and the indoor unit is
6. When using Hydrobox units, do not combine them with other types of units.
46
• Outdoor Unit • REYQ-T
Total
Capacity [%] Maximum indoor unit
quantity
(*1)
50~130 64
50~200 (*2) 32
50~110 64
BS1Q10 BS1Q16
(*6) (*6)
Maximum· 8· units
Maximum · 160 · class
Maximum · 160 · class
= Maximum · 2 x HXY080·
Or maximum · 1 x HXY125·
• VRV Systems • REYQ-T
VRV indoor unit · VRV· indoor unit without
· BS· unit
Cooling only
(*4)
50~130 % 0~50 %
50~110 % 0~50 %
50~110 % 0~50 %
BS1Q25 Multi · BS branch
(*6) (*6)
Maximum· 8· units Maximum· 5· units
Maximum · 250 · class Maximum · 140 · class
Maximum · 250 · class
Maximum · 140 · class
= Maximum · 3 x HXY080 ·
= Maximum · 1 x HXY080·
Or maxium · 2 x HXY125 ·
Or maximum · 1 x HXY125·
Or · HXY125 ·
20m. If the length of this piping is 20m increase the size of the liquid pipe.
Allowed capacity
Hydrobox unit
Not allowed Not allowed
0~100 % Not allowed
Not allowed
Multi · BS· when 2 branches
are combined (*5) (*6)
(*5) (*6)
Maximum· 5· units
Maximum · 250 · class
Maximum · 250 · class
= Maximum · 3 x HXY080·
Or maximum · 2 x HXY125·
Or · HXY080 + HXY 125 ·
AHU
0~110 %
3D088012A