Daikin VAM-FA8VE Technical Data Manual page 148

10 Installation
1
10-7 Electrical wiring procedure
10-7-1 Opening the switch box
10
VAM150-1000FA
Electrical compartment
mounting base
(Electrical
compartment cover)
Before opening the cover, be sure to turn off the power switches of the main units and other devices connected with the main units.
!
• Remove the screw securing the cover and open the switch box.
10-7-2 How to install the optional adapter circuit board
1. Open the electrical compartment cover by following the procedure described in the "Opening the switch box" section.
6. Remove the securing screw, and install the adapter circuit board.
7. After the wires are connected, fasten the electrical compartment cover.
(For detail, refer to 6. Optional accessories.)
10-7-3 Wiring system of centralized transmission control wiring
Total length of wiring should not exceed 1000 m.
Series wiring
Cautions:
The bus type wiring and the star type wiring cannot be used at the same time.
Do not connect more than 3 wires to the same terminal.
If necessary, use a relay terminal (field supply).
In this technical manual, all the schematic drawings is shown by the series wiring, which do not require relay terminals.
146
• HRV • VAM-FA8VE
Grounding terminal
Terminal board
Securing screw
Bus type wiring
(HC0090)
(Can be connected up to 8 branches)
• HRV • Heat Reclaim Ventilation
VAM1500,2000FA
Printed circuit
Electric component
mounting base
slide
Printed circuit board
Terminal board
Transmission wiring
terminal board
Securing screw
(HC0088)
Electrical
compartment cover
• Secure the power cord control wires with the clamp, as shown
above.
Star type wiring
(HC0091)
Electric component
mounting base
board
Transmission wiring
terminal board
(HC0089)
(HC0092)
(Can be connected up to 8 branches)