External Controls; Fully Pumped; Pumped Heating And Gravity Domestic Hot Water - Saunier Duval Xeon 50ff Instructions For Use Installation And Servicing

5.10 External Controls

FULLY PUMPED

Any external controls must only be wired to interrupt the red link
between terminals SL and 9.
See relevant wiring diagrams, for either a sealed water system,
or fully pumped open vented, diagram 5.10 and 9.7.

PUMPED HEATING AND GRAVITY DOMESTIC HOT WATER

Make sure that the red link is connected between terminals SL
and 9 on the terminal block, as diagram 5.9.
Make sure that the supply cable and all external cables are
secured and away from hot surfaces.
5.11 Testing
Checks to ensure electrical safety must be carried out by a
competent person.
After installation of the system, preliminary electrical system
checks as below should be carried out:-
1. Test insulation resistance to earth.
2. Test earth continuity and short circuit of all cables.
3. Test the polarity of the mains.
The installer is requested to advise and give guidance to the
user on the controls scheme used with the boiler.
LIP BRACKET
5 Boiler Installation
SECURING
SCREWS (2)
Diagram 5.8
21
MAINS
CABLE
Leave "RED LINK" if
fitting remote controls
GRAVITY DOMESTIC HOT WATER
AND PUMPED HEATING
MAINS RED
CABLE LINK
Remove "RED LINK"
if fitting remote controls.
FULLY PUMPED OPEN VENTED
OR SEALED WATER SYSTEM
YELLOW
RED
LINK
LINK
CABLE
CLAMPS
MAINS
CABLE
Diagram 5.9
PUMP
CABLE
PUMP
CABLE
CABLE
CLAMPS
MAINS
CABLE
Diagram 5.10
221658B