Toshiba ESTIA HWS-455XWHM3-E - Group Control

–31–
Hydro Unit
Installation Manual
8 Group Control
To operate a group control of multiple hydro units
• Hydro units are available to connect maximum 8 units.
• The wiring of remote controller on the hydro unit No.2 to No.8 should be cut as shown Fig. 8-01.
• Set the address No. of the Rotary switch “SW01” on the hydro unit PC board as 2 to 8 for the hydro unit No.2 to
No.8. The factory default is “1”. The master hydro unit with the Header remote controller should be set as “1”.
All the units operate according to the header remote controller. Please make all the DIP switches in regard to the
operation mode to the same setup.
• Remote controllers are available to connect maximum 2 units as header and second controller.
O: connected, ×: cut
hydro unit No.1 No.2~8
wiring of remote
controller
O
×
AB AB AB AB
AB
Remote controller inter-unit wires for group
control (Locally procured)
Remote
controller
Remote controller
(Second)
(Sold
separately)
Terminal block (TB07) for the
remote control wiring
Earth
hydro unit No.1
EarthEarth Earth
hydro unit No.2 hydro unit No.3 hydro unit No.8
(Header)
Remote
controller
Remote
controller
Remote
controller
when cut
To hydro unit
P.C. Board
CUT
To hydro unit
P.C. Board
To other hydro unit
(Locally procured)
▼ Fig. 8-01
31-EN