Ariston 41-116-37 Manual Do Utilizador

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26
installation
Room Thermostat / Remote Clock Connection
To connect a room thermostat, it is necessary to:
1. Open the control panel
2. Loosen the cable clamp using a screwdriver and insert the wires 
leading from the room thermostat
3. Connect the wires to the terminals as indicated in the fi gure 
below, removing the link
4. If a remote time clock is to be fi tted, using a volt free switching 
time clock connect the switching wires from the time clock 
following points 1 - 3 above 
5. If using an external time clock and room thermostat, these must 
be connected in series as shown in diagram C,
6. Ensure that they are well connected and not subject to stress 
when the control panel is closed
DO NOT CONNECT 240V TO ANY PERIPHERAL CONNECTIONS
Outdoor sensor connection
-  Introduce the outdoor sensor wires
-  Loosen the cable clamp using a screwdriver and insert the 
wires leading from the outdoor sensor one at a time.
-  Connect the wires to the terminals as indicated in the fi gure 
below;
-  Make sure that they are well connected and that they are not 
subject to stress when the control panel lid is opened or closed;
-  Close the fl ap again, then replace the control panel cover and 
the front casing.
-  Refer to page 39 for setting the parameters when using the 
outdoor sensor.
N
OTE
: W
HEN
 
CONNECTING
 
THE
 
BOILER
 
TO
 
EXTERNAL
 
CONTROLS
DO
 
 
 
NOT
 
RUN
 240V  
CABLES
 
AND
 
CABLES
 
FOR
 
SWITCHING
 
CIRCUITS
  
 
(
WHICH
 
ARE
 
LOW
 
VOLTAGE
TOGETHER
USE
 
SEPERATE
 
CABLES
 
TO
  
 
PREVENT
 
INDUCED
 
VOLTAGE
 
ON
 
THE
 
LOW
 
VOLTAGE
 
CIRCUITS
.
Connector SE on PCB
Outdoor Sensor
   Connector TA on PCB
(low voltage switching)
   Connector TA on PCB
(low voltage switching)
   Connector TA on PCB
(low voltage switching)
Cylinder connection (CLAS HE EVO SYSTEM)
 The boiler can be connected to a central heating system that 
uses two zone valves to allow connection to an indirect storage 
cylinder.
There are two wiring diagrams shown, one for the connection to 
an Unvented Cylinder and one for connection to an open vented 
cylinder.
In both cases the boiler connection is shown as TA1.
When connecting the boiler to an external cylinder do not run 
240V cables and the cables for the TA1 together, use separate 
cables to prevent induced voltage on the low voltage switching 
circuit.
N
OTE
: T
HE
 
USE
 
OF
 
A
 ‘Y’ P
LAN
 
SYSTEM
 
IS
 
NOT
 
POSSIBLE
 
WITH
 
THE
 CLAS 
HE SYSTEM 
BOILER
 
DUE
 
TO
 
THE
 
LOW
 
VOLTAGE
 
SWITCHING
 
OF
 
THE
 
APPLIANCE
 
UNLESS
 
SUITABLE
 
RELAY
 
CONTROLS
 
ARE
 
USED
.
Important!!
Ensure that a balancing valve is fi tted on the cylinder return 
and balanced correctly at commissioning stage.
 (see p.25)