1592026260 IEV22-24D GB r.1.0 21.02.2019 IEV 50/60
ALAn
No serial
communication
with Ichill
Problem related
to serial
communication
with Ichill
Blocked adjustment by the valve
closing;
Active alarm relay output if enabled
by parameter;
Enable the buzzer;
icon flashes;
Code of alarm on the display.
Automatic on
the fault being
resolved:
•
LAN
connection
polarity
complied
with
•
replace the
ichill
controller,
IEV or both
ACF1
Configuration
alarm
Configuration
alarm (due to
wrong
configuration of
valves and
circuits)
Valve closed;
Active alarm relay output if enabled
by parameter;
Enable the buzzer;
Icon flashes;
Code of alarm on the display.
Automatic after
changing the
configuration
ACF1 alarm:
•
STAND-ALONE: valve configured to operate in cooling and heating but no digital input
configured as cooling or heating selection
•
Two valves configured for the same circuit and configured to work both in the same mode
(both only chiller, both only heat pump, both chiller and heat pump)
•
Two valves configured for the same circuit and at least one is configured to operate in chiller
and heat pump
11.
Parameter programming key - HotKey 4K
The HotKey 4K programming key allows you to program the parameters of the IEV valve driver.
The HotKey 4K must be inserted into the 5-pin connector of the TTL serial port. The possible
operations are
Downloading
(loading parameters from the key to the controller) or
Uploading
(downloading parameters from the controller to the key).