52
Français
English
DeutschItaliano
5.6 Control board
CPU board description
Location of connector and terminal blocks
TERMINAL BLOCK J12
Supply from PSU board
to control board
(neutral and phase)
54 321
54321
TERMINAL BLOCK J2
1-2 Control terminal
(12 V)
3 Heating/Cooling - Unoccupied control
4 On/Off - bypass input
5 Common
Provide a good-quality contact certi-
fied for an input current of
10 mA at 24 V
(Nos. 5, 4 and 3)
TERMINAL BLOCK J1
1
auxiliary output 1
2
auxiliary output 2
3
auxiliary output 3
4-5
230 V phase inputs
Flashing green LED
- Terminal/control board
communication
Flashing red LED
- Temporary fault
Steady red LED
- Permanent fault
¤ green LED
¤ red LED
S1
10 k
Ω
sensor positioon
50 k
Ω
sensor position
1
2
1
2
3
4
The potential-free contacts operate correctly if:
Outputs (
(
): at 5 V-10 mA min. and 230 V-5 A AC1 max.
EARTH
NPh
3-4 Alarm signal
output
1-2 Heat trace cable
output
4
3
2
1
4
3
2
1
3
2
1
4
reversing valve
control
3
compressor
control
2
circulator
control
1
neutral, circulator
control
3
Condensate drain
pan heater cable
control
2
not connected
1
fan speed control
TERMINAL BLOCK J11
1 to 4 Daughter board
TERMINAL BLOCK J10
1-2 Coil freon sensor
TERMINAL BLOCK J9
1-2 Outdoor air sensor
TERMINAL BLOCK J8
1-2 Water outlet sensor (
water supply)
TERMINAL BLOCK J7
1-2 Water inlet sensor
(water return)
TERMINAL BLOCK J6
1-2 Plate exchanger freon sensor
TERMINAL BLOCK J16
Program loading
TERMINAL BLOCK J4
1-2 Flow rate controller
TERMINAL BLOCK J3
1-2
3-4 HP PSU board link
TERMINAL
BLOCK
J15
TERMINAL
BLOCK
J14
TERMINAL
BLOCK
J13
To Next Page
Loading...
Need help?
General
