ESIE15-11A | Part 1. Introduction 2. System description
Page 8 23/09/16
VRV4 indoor units
2. BS “branch selector” units exists in:
- “Single circuit” BS units: 3 capacities available depending on total capacity indoor units:
• BS1Q10A: indoor index below 100 (100 not included).
• BS1Q16A: indoor index from 100 and below 160.
• BS1Q25A: indoor index from 160 till 250 (250 included).
- “Multi circuit” BS units:
• The maximum number of circuits depend on the model:
- 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 circuit can have:
- Maximum five indoor units.
- Maximum index 140.
3. Indoor units:
- The current available type VRV DX units can be used. Minimum 50% of outdoor index must be connected through BS
unit(s).
- The LT (low temperature) hydro unit can be added (BS unit required).
- The HT hydro unit can be added (without BS unit).
BS1Q10, 16, 25A
BS10Q14A
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