OPERATING AND MAINTENANCE MANUAL
Chapter 7 - Electronic controller
iC 215 ÷ iC 780
32
The data in this manual are not binding and they can be modified by the manufacturer without notice.
Reproduction of this manual is strictly prohibited
ENGLISH
EN
7 . 2 . 1
F u n c t i o n o f c o m b i n e d b u t t o n s
7 . 3
R e m o t e t e r m i n a l
Up to two remote terminals can be connected to the instrument.
The terminal generally shows the same parameters as the local display. The display can be customized with the dedicated
parameters (see “7.22 Parameters description-settings”)
In the absence of communication between the control unit and the remote terminal the upper display shows the message
“
OP-
” (no link).
7 . 4
P r o b e s k e y
This chapter refers to the BEWIT, BEWOT,BWOT, BHP1, BAT1 and BTWOT probes; for the positioning of these probes
consult the refrigerant circuit diagram and the electrical diagram.
Descriptions of the probes utilised are given below
Models iC 215÷540:
Models iC 640÷780:
BUTTONS
FUNCTION
+
To enter programming mode (pressed for 3 seconds).
+
To exit programming phase.
+
In programming mode:
Press once from the main mask to display the “user” parameters;
Press twice from the main mask to display the “service” parameters.
Duplicate remote control with LED display.
Semi-graphic remote control with LED display.
Probe code
Board label
Board terminals
Description
BTWOT
EOut
PB1
Tank water outlet temperature probe (temperature control)
BEWOT
Out1
PB2
Evaporator water outlet temperature probe (anti-freeze)
BCP1
CdP1
PB3
Circuit 1 high pressure temperature transducer (only with
electronic control)
BAT1
Et
PB6
Ambient temperature probe (only with anti-freeze heater
option)
Probe code
Board label
Board terminals
Description
BTWOT
EOut
PB1
Tank water outlet temperature probe
BEWOT1
Out1
PB2
Evaporator 1 water outlet temperature probe
BHP1
CdP1
PB3
Circuit 1 high pressure transducer
BHP2
CdP2
PB4
Circuit 2 high pressure transducer
BEWOT2
Out2
PB5
Evaporator 2 water outlet temperature probe
BAT1
Et
PB6
Ambient temperature probe (only with anti-freeze heater
option)