Carel and Modbus
1.7. BMS communication
Ethernet pCO Web
Confi guration
by the integrator.
1.4. Sensors
Sensors included with the control:
Note: If the unit is integrated in a pLAN network, it can read the
value of outdoor temperature measured by the master unit probe.
Note: If the unit is integrated in a pLAN network, it can read the
value of ambient temperature measured by the master unit probe.
Optional sensors connected on the control board:
Note: If the unit is integrated in a pLAN network, it can read the
value of outdoor humidity measured by the master unit probe.
Note: If the unit is integrated in a pLAN network, it can read the
value of
measured by the master unit probe.
1.5. pCOe expansion cards (optional)
Card with address 8:
Card with address 9:
4-way valve
(heat pump)
Outdoor fan
Compressor
High press.
pressostat
S3
Supply air probe
Outdoor temperature probe
S2
S7 (*)
High pressure
transducer
S1
Return air probe
S4
Mixing
probe
Discharge T
klixon switch
Fresh air
Air extraction
S5a
Ambient air probe
S10
Air quality probe
(opt.)
Outdoor coil
Indoor coil
Indoor fan
Electronic
expansion
valve
S6 (*)
Low pressure
transducer
S8 (*)
Suction
temperature
probe
Unit with 1 circuit
1 - GENERAL DESCRIPTION
Optional sensors connected, in series, on the Field-bus:
Note: If the unit is integrated in a pLAN network, it can read
the value of ambient temperature measured by the master
unit probe(s).
Note: If the unit is integrated in a pLAN network, it can read the
value of ambient T + RH measured by the master unit probe(s).
1.6. SMALL boards (optional)
Board with address 4:
Board with address 11: