Savio 20/1 MFS User Manual page 18

installation
--- unscrew the four screws " E"and remove the cover on the full
sequence control p.c.b.
--- remove the cable sliding it through the rubber grommet " F" ;
--- insert the new cable. A PVC insulated flexible cable must be
used. It must be a 3 core of size 0.75 mm
6500 table 16;
--- connect the cable to the terminals marked as follows:
L ---
Screws " B"
N ---
Screw " C"
--- The cable must be secured and connected so that should the
cable slip from the anchorage the current carrying conductors
become taut before the earthing conductor.
Connecting the external controls
(room thermostat, timeclock)
WARNING -- EXTERNAL CONTROL LINES MUST BE INSU-
LATED FROM ELECTRICAL SUPPLY LINES.
If controls external to the appliance are required, design of the exter-
nal electrical circuits should be undertaken by a competent person.
It is essential that all external control circuits and wiring is wired from
the same electrical isolator as serves the appliance. Factory fitted
internal wiring must not be disturbed when wiring external controls.
To connect an external control:
1 remove the front panel of the case and lower the control panel
(see sect. 6.2);
2 open the external control box removing the two screws indi-
cated;
3 remove the electric link between TT and TC on the external con-
trol terminal block;
4 connect the external control as shown in the following figures.
If requested, external control must be earthed.
Timeclocks should be voltage free connections.
Connecting a " simple contact"room thermostat.
Connecting a room thermostat with delay resistor.
Connecting a timeclock.
Do not insert any internal links on time locks.
Doing so may invalidate guarantee.
16
Brown or Red wire (live)
Blue or Black wire (neutral)
Green/Yellow or Green wire (earth)
2
(24x0.2 mm) to BS
rev. 17.09.93
E
E
E
TT
TR
TC
External control box
TT
TR
TC
External control box
TT
TR
TC
N
L
External control box
F
E
M