IVT PKS 1000, Installer'S Manual, Page: 23 / 36

Wiring diagram
6 720 642 838 (2010/03)
23
8.2 Wiring diagram XB2
Fig. 23 Wiring diagram XB2
Solid line = Always connected
Dotted line = Option, alternative:
E31.B11
External input dew point monitor E31.RM1
E31.B21 External output cooling active/not active (connection
of any control distributor for underfloor heating)
E31.Q31 Mixing valve 230V
E11.Q12 Three-way valve heating/cooling
E31.G31 Circulation pump cooling internal
E31.G32 Circulation pump cooling external
E31.G33 Circulation pump ground water
E31.T31 Flow sensor
E31.TT.T35 Room sensor
E31.TT.P1 LED room sensor
F51 Fuse 6,3A
F52 Fuse 250mA
1 When circuit board XB2 is last in the CANbus-loop the
switch must be in the Term position.
2 Switch, must be in position 0.
3 Switch, must be in position 0.
4 Address selection, must be in position 0.
5 Program selection, must be in position 3.
7, 8, 9 ( Image 22, page 22)
Cables:
6 720 615 125-21.3I
9
8
7
Terminal L, N, PE Incoming supply Min. 1.5 mm
2
Terminal 51-58 Connections 230 V Min. 0.75 mm
2
Terminal 1-11 Connections sensors Min. 0.5 mm
2
Terminal 31-38 CAN bus ( Chapter 7.1)
Tab. 10