Lennox CLIMATIC series User Manual page 30

COMPONENTS
Analog input
The 4 analog inputs can be used as NTC probe (-50T90 °C; R/T 10 KΩ at 25 °C) or 4/20mA (Impedance = 100Ω) current signal.
They are confi gurable by pair B1-B2 and B3-B4. The confi guration of the type of the input is automatically set by the CLIMATIC.
• 0 input on the BM
• 4 inputs on the BE dry contact board option (DCBO):
BE-J9-B1 not available if air quality sensor (CO2S). If Humidity sensor (ADCP), Ntc BMS isn't available.
BE-J9-B2 not available if humidity sensor (ADCP). If Air quality sensor (CO2S), Ntc BMS isn't available.
BE-J10-B3 not available if circuit leak détection (RLKD)
BE-J10-B4 if circuit leak détection (RLKD) only Ntc BMS is available.
Ntc Room control, room temperature by NTC probe
Ntc BMS BMS, temperature (NTC) reading for BMS
HR. BMS BMS, relative humidity (4-20mA) reading for BMS
Sp Temp. shift of the setpoint (4mA=-5K, 20mA=+5K)
Sp F.Air fresh air set point, value (4mA=0%, 20mA=100%)
Sp Speed speed blower set point, value (4mA=low level, 20mA=nominal level)
T. Out. control, outside temperature by 4-20mA sensor
T. Room control, room temperature by 4-20mA sensor
HR. Out. control, outside relative humidity by 4-20mA sensor
HR. Room. control, room relative humidity by 4-20mA sensor
Digital input
The 6 digital inputs must be used with dry contacts according to the following example. The digital input can be confi gurated to be
used as one of these items:
• 2 inputs on the BM
BM-J4-ID4, not available if electrical heaters on fresh air (ELPS)(ELPH).
BM-J4-ID7, not available if static recovery module (HRMO).
• 4 inputs on the BE Dry Contact Board option (DCBO)
BE-J4-ID1, always available.
BE-J4-ID2, always available.
BE-J4-ID3, always available.
BE-J4-ID4, not available if humidifi er.
Note: These points are available by Dry Contact or by BMS request.
• 28 •
Active
4/20 mA
signal
NTC probe
Passive
4/20 mA
signal
CLIMATIC RT_UNITARY-IOM-1508-E