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6 | CN1 Connector
6
CN1 Connector
Fig. 9 Connector CN1
Pin
Description
L
Blower low speed
M
Blower medium speed
H
Blower high speed
B
+ 12 VDC
C
Ventilation ON A/C (+)
To connect the wiring to the CN1 connector, use the following
specified counter parts:
Fig. 10 Connector-CN1, counter part 1
Koch sales, part number 754C3.
Fig. 11 Connector-CN1, counter part 2
2
Tyco electronics 1 mm
– 2.5 mm
7
CN2 Connector
Fig. 12 Connector CN2
Pin
Description
1
+12 VDC
2
Coolant valve
3
Coolant valve
4
N.C.
5
Coolant pump (+)
6
Clutch / Condenser (+)
7
N.C.
8
GND
9
Ignition (+)
10
Coolant valve feedback
11
Coolant valve (GND)
12
Backlight control
13
N.C.
14
N.C.
15
Ventilation ON A/C (+)
6 / 33
2
, part number 735222-2.
To connect the wiring to the CN2 connector, use the following
specified counter parts:
Fig. 13 Connector CN2, counter part 1
Tyco electronics, part number 1-480710-0.
Fig. 14 Connector CN2, counter part 2
2
Tyco electronics 0.3 mm
– 0.8 mm
8
Technical specifications
Parameter
Product name
Power supply
Current consumption
Maximum output
Blower
current
Clutch
Coolant pump
Operation at ambient temperatures
IP rating
NOTE
All parameters listed are subject to change without no-
tice, and the specifications shown on the unit's type
plates shall prevail. All values are approximate and sub-
ject to change.
Features
l Three-speed blower choice.
l Temperature control adjustable with a dial.
l Outputs for clutch, coolant valve and coolant pump.
l Inputs for backlight control, ventilation ON A/C and igni-
tion.
Operation
l Ignition input:
This input enables the control (operation) of the product.
l Independent input for backlight.
l 0 VDC or Open:
Inputs and outputs disabled.
l +12 VDC:
Inputs and outputs enabled for operation (active control).
l The panel features a hysteresis of 15s after "Power Up" to
allow operation of the outputs.
Temperature control
l The temperature can be adjusted using the temperature
control dial.
l When the temperature control dial is turned fully anti-
clockwise, the cooling valve is entirely closed. When the
temperature control dial is turned fully clockwise, the heat-
ing valve is opened entirely.
Blower speed
l The Blower speed can be adjusted using the blower control
dial.
2
, part number 350689-3.
Value
NEO 2 Control unit
12 V DC
0.15 A
25 A
5 A
5 A
-40 °C to +85 °C
-40 °F to +184 °F
IP 54 (front)
6248362A_OI_NEO 2 Control unit
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