Technibel TWN Series, Installation Instruction

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GB
10
Caution:
- If an air recirculation sensor is installed in the unit, the fan must operate on a permanent basis (valve is
mandatory).
• Air temperature sensor in box for RCC remote controls - code 70250054
- Type CTN 3 kΩ at 25°C.
- IP 30 - cl. II.
- Air temperature sensor:
The RCC type thermostats operate according to the ambient air temperature measured internally or according to
the temperature indicated by the external sensor (switching takes place automatically as soon as the external
sensor is connected).
Control connection as per the diagrams above.
• Air / water temperature sensor for K70P090Z and K70P091Z - code K70P093Z
- Type CTN 10 kΩ at 25°C.
- Range -25°C to 100°C.
• Humidity sensor for K70P091Z control only - code K70P094Z
- Resistance type.
- Range 20 to 90 % RH.
G - Special features of RCC remote controls - codes 70250051 and 70250052
• Change-over (heating / cooling switch) :
- Instead of the temperature sensor, a potential-free
external contact (not supplied) can be connected, the
closing of which causes the thermostat to switch to cooling
mode and the opening causes it to switch to heating
mode.
- The same contact can control up to ten controls by
connecting the sensor inputs (B2-M) of the various
thermostats in parallel.
- Caution :
- The 230 v power supply of the thermostats connected in this manner must come from the same source.
The polarities must be strictly respected.
- Maximum total connection length: 80m with 1.5 mm
2
.
- As the sensor inputs are connected to 230 v, use a contact and cable which satisfy the corresponding
insulation requirements.
- To avoid electromagnetic disturbance, do not route this connection next to power cables.
• Mode switch (Eco / Stand-by) :
- The same external contact (not supplied) can control up to
ten commands by connecting the corresponding inputs in
parallel. (D1 - GND).
- Caution :
- The 230 v power supply of the controls connected
in this manner must come from the same source.
- The polarities must be strictly respected.
- Maximum total connection length: 80 m with
1.5 mm 2 .
- To avoid electromagnetic disturbance, do not route this connection next to power cables.
3.2.4 - BUILT-IN CONTROLS
• 4 types:
- K 70 P 034 Z : speed selector, On - Off.
- K 70 P 035 Z : control on ventilation, heating only. For "2-pipe" units.
- K 70 P 036 Z : control on the ventilation, manual change-over (heating / cooling). For "2-pipe" units.
- K70P090Z or K70P091Z : electronic control on 1 valve, on 2 valves or on 1 valve cooling + electric heating. For
2-pipe, 2-pipe c 2 wires, "4-pipe" units (requires integration kit K70P092Z ).
• Refer to the corresponding manuals.
3.2.5 - OTHER ACCESSORIES
• Refer to the corresponding manuals.
RCC
M B2
RCC
M B2
RCC
M B2
RCC
M B2
10 commands maximum
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D1 GND D1 GND D1 GND D1 GND
10 commands maximum
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