Wiring Diagram - AERMEC KTU Manual De Instalación, Uso Y Mantenimiento

12.

WIRING DIAGRAM

VXT area control kit layout number 425040150_0
Primary
POWER
ANAL. OUT
SUPPLY
Secondary
A9 Wiring for connection between electric control board and area 1-2 control kit
A10 Electric control board H connector of the VXT unit
A11 Electric control board
BT3 Area 2 floor control probe (for area 2 control only)
BT9 Area 1 humidity temperature probe
BT10 Area 2 humidity temperature probe (for area 2 control only)
FU9 24v – 1.25° Auxiliary circuit fuse
SA4 Area 2 called input
SA5 Voltage free contact for area 1 pump/valve control (max 230Vac 2° AC3)
SA6 Voltage free contact for area 2 pump/valve control (max 230Vac 2° AC3)
SA7 Voltage free contact for dehumidifier 1 control (max 230Vac 2° AC3)
SA8 Voltage free contact for dehumidifier 2 control (max 230Vac 2° AC3)
TC3 230-24Vac 20VA TC3 Transformer
YV5 Area 2 mixer valve (24Vac 0-10 Vdc)
Configuration of the dip-switches of the a11 pCOE electronic controller
DIGITALS IN DIGITALS OUTPUT ANALOGUES IN
Connect the probe Bt3 into clamps 14 – 15 positioned
outside the electric control board of the VXT unit
Use a cable with minimum section of 0.5 mm for the
connection up to 50 mt. and then pass to a section of 1
mm up to 100 Mt.
To make the Tlan connection between the area 1-2 kit
and the electric control board of the VXT Unit, use the
following wiring supplied inside the machine.
If several kits are present, the Tlan connections must
all be made in parallel in the clamps 12-13 of wiring A9.
Use a cable with minimum section of 1 mm
BLUE
BLUE
BLUE
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