Alarms; Wiring Diagram - Frico SWL Series Original Instructions Manual

EN

Alarms

U I S
In the event of a fault with the unit an error code appears, some functions still remain active
though, see Operation column.
CONTROL PANEL INSTALLATION AND CONNECTION
Error code Cause
3.1 ER0689 board connections
Room temperature sensor fault
E1
Before you connect the cooler-radiator, make sure that:
Water coil sensor fault
- the voltage and frequency match the values on the
E2
device's nameplate.
- The power line has an efficient ground connection and
Fan motor fault
E5
is appropriately sized for the unit's maximum current
Communication fault display
absorption (minimum cable section: 1.5 mm
E7
External input CP is "open"
If you need to replace the power cable, contact only
CP
the technical customer service or qualified staff, in
compliance with the applicable national laws.
flashing Incorrect water temperature
You can use a cable embedded in the wall in the position
traced with the installation template to make the electrical
connection (recommended connection for devices installed
flashing Incorrect water temperature
H2
water temperature probe 10 kΩ
M1
fan motor DC inverter
water solenoid valve (230V/50Hz 1A powered
EV
output)
L-N
230V/50Hz electrical power supply connection
G
protective conductor
6.1
ER0689
Water temperature sensor
H2
CP presence contact input connection
Fan motor
M1
When the CP contact opens (connected to a clean contact,
not live) the unit is in stand-by mode and the display reads
Water solenoid valve (230V/50Hz, max 1A)
EV
"CP".
230V/50Hz electrical power supply conn.
L-N
Through this contact, you can connect an external device
G / PE
64
SLW
Operation
Restricted function during heating and cooling
operation.
Restricted function during heating and cooling
operation.
No function during heating and cooling operation.
No function during heating and cooling operation.
).
2
The fan convertor is working when the contact is
closed. Check the connection on terminal block CP on
the circuit board.
In heating mode, the water temperature is below 30°C
In cooling mode, the water temperature is above 20°C

6 Wiring diagram

CP L G N
EV
ERRORS AND SOLUTIONS
in the upper part of the wall).
In any case, you must check that the power supply is
protected against overload and/or short-circuits.
In order to prevent any risk of electric shock, it is essential
to disconnect the main circuit breaker before making any
electrical connections and performing maintenance on the
equipment.
presence sensor input (if closed, the fan coil
CP
goes into stand-by.)
AIR Optional air probe (*)
DISPLAY control panel (display) wiring
DISPLAY
AIR
CONNETTORE
H2
STEP MOTOR
CP Input for Potential free contact, i.e.
presence detector (if closed, the
that inhibits the unit as: opening window contact, remote on/
convector goes into stand-by, "CP" is
off, infrared presence sensor, enabling badge, etc.
shown in the display)
AIR External air temperature sensor (option)
DISPLAY Control panel (a.k.a. display) wiring
U I S
INSTALLATION
EN