Customized Input/Output - Lennox CLIMATIC 50 User Manual

CUSTOMIZED INPUT/OUTPUT

Function
The Climactic™50 main board (BM.50) and the optional expansion board (BE.50) offers possibilities to
customize some input / output for remote control of the unit. So it is possible to customize:

5 digital outputs NC or NO set up with parameters (3841), (3842), (3843) and (3845),

6 digitals inputs set up by parameters (3851), (3852), (3853) and (3854),

4 analogical inputs (4-20mA or Lennox NTC temperature probe), set up with parameters (3861), (3862),
(3863) and (3864).
Description
The wiring connection between the BM.50 and the BE.50 is described on the following figure:
6
Power
7
Supply
BE.50
The various possibilities of customized inputs / outputs functions can be configured as follow:
 Please, respect the wiring connections warning before connect the free input/output.
DIGITAL OUTPUTS NC or NO – DRY CONTACTS
Electrical characteristics: Maximum commutable power: 2000VA, 250Vac.
The corresponding between the connectors and the settings is:
(3831)  Setting for the digital output on the connector BE50-J5-NO1,
(3832)  Setting for the digital output on the connector BE50-J6-NO2,
(3833)  Setting for the digital output on the connector BE50-J7-NO3,
(3834)  Setting for the digital output on the connector BE50-J8-NO4.
The following items can be used for each output:
[Not Used.]
[C.1 Alarm]
[C.2 Alarm]
[Fans Al.]
[Pump Al.]
[Flow Al.]
[Heat. Mode]
[C.1 100%]
[C.2 100%]
[U. 100%]
[U. On]
[Z:A]
[Z:B]
[Z:C]
[Uno]
[Bms]
[Free]
[Elec.H.]
CLIMATIC™50 – Chiller / Heat Pump – Customer version
CL50-CHILLER-IOM_CUST-0808-E
BM.50
(cf. "WIRING CONNECTIONS" section).
Contact not used,
Alarm on circuit N°1,
Alarm on circuit N°2,
Alarm on the condensing fan,
Alarm on the pump,
Alarm on the flow rate,
Unit operating in heating mode (Reversible unit only),
Circuit N°1 running at full load (compressors),
Circuit N°2 running at full load (compressors),
Unit running at full load (Circuits N°1&2),
Unit ready to start,
Unit operating Zone A,
Unit operating Zone B,
Unit operating Zone C,
Unit operating Zone Unoccupied,
Unit operating Zone BMS,
Free for BMS acting,
Electrical heaters (up to 4) (Reversible unit only).
tLAN(+)
tLAN(-)
BE.50
Free Dry Contact
Example
BE50-J5.NO1
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