Electric Wiring Work - Daikin BSVQ36MVJU Installation Manual

6-3 SELECTOIN OF PIPE CONNECTION SIZE
Table 3 <Indoor and BS Unit Connection Piping Sizes>
Target unit
Indoor unit's model No.
BS unit
Note: The piping size for the BS unit indicates the size of the connection side with the indoor unit.
Table 4 < Selection of Piping Size Based on Total Capacity of Indoor Unit >
Total capacity of indoor units
3
[×10 Btu/h]
Up to 24
24 or more and less than 60
See the section on "2-4 COMBINATION" at page 5 for details on indoor unit capacity.
6-4 PIPING CONNECTION

7. ELECTRIC WIRING WORK

7-1 GENERAL INSTRUCTIONS
• All field supplied parts and materials, electric works must conform to local codes.
• Use copper wire only.
• Follow the "WIRING DIAGRAM" attached to the unit body to wire the outdoor unit and indoor units.
• All wiring must be performed by an authorized electrician.
• This system consists of multiple BS units. Mark each BS unit as unit A, unit B . . . , and be sure the terminal
board wiring to the outdoor unit and indoor unit are properly matched. If wiring and piping between the out-
door unit, BS unit and an indoor unit are mismatched, the system may cause a malfunction.
• A circuit breaker capable of shutting down the power supply to the entire system must be installed.
• Always ground wires. (In accordance with national regulations of the pertinent country.)
09, 12, 18
24, 30, 36, 48
BSVQ36MVJU
BSVQ60MVJU
Suction gas pipe Discharge gas pipe
1/2
5/8
Piping size (outer diameter) (in.)
Gas pipe
1/2
5/8
5/8
Piping size (outer diameter) (in.)
Upstream
Liquid pipe
3/8 1/4
1/2 3/8
Liquid pipe
1/4
3/8
3/8
Downstream
Gas pipe
1/2
5/8
Liquid pipe
1/4
3/8
10