Daikin VRV IV+ Service Manual page 11

REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
The HT (high temperature) Hydrobox is connected without branch selector unit:
only use the HP (high pressure) gas line and the liquid line.
Single Branch Selector (BS)
BS1Q10A
BS1Q16A
BS1Q25A
There are 2 types of branch selector (BS) units, each of them available in different
capacities:
▪ Single circuit branch selector units:
- BS1Q10A: indoor index below 100 (100 NOT included).
- BS1Q16A: indoor index from 100 and below 160 (160 NOT included).
- BS1Q25A: indoor index from 160 to 250 (250 included).
▪ Multi circuit branch selector units:
- BS4Q14A: maximum 4 circuits.
- BS6Q14A: maximum 6 circuits.
- BS8Q14A: maximum 8 circuits.
- BS10Q14A: maximum 10 circuits.
- BS12Q14A: maximum 12 circuits.
- BS16Q14A: maximum 16 circuits.
Each single circuit can have:
- Maximum 5 indoor units connected.
- Maximum index 140 (total index for all connected indoor units).
1 General operation
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Multi Branch Selector (BS)
BS4Q14A
BS6Q14A
BS8Q14A
BS10Q14A
BS12Q14A
BS16Q14A
Service manual
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