32
INSTALLATION
Esprit - Installation and Servicing
35
REPLACING PRE-FITTED MAINS CABLE
If it is necessary to use an alternative mains cable to the one
pre-fitted then use the following guide.
Replacement wiring should comply with notes in Frame 33.
1. Isolate the mains supply to the boiler.
2. Remove the front panel. Refer to Frame 45.
3. Swing the control box down into the service position.
Refer to Frame 46.
4. Remove the terminal block cover to access the terminals
for electrical connections.
5. Remove the mains cover to access the earth post.
6. Remove the live and neutral wires from the terminal block.
7. Remove the top nut from the earth post and remove the
earth connection ring terminal from the post.
8. Slacken the cable gland and withdraw the mains cable.
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5
Earth Post
9. Route replacement cable back through the cable gland
and re-tighten to provide cord anchorage.
10. Connect the earth wire to the earth post by trapping the
stripped end between the cupped and flat washer. Secure
with nut provided.
11. Connect the live and neutral wires to the terminal strip.
When making the mains electrical connections to the
boiler it is important that the wires are prepared in such a
way that the earth conductor is longer than the current
carrying conductors, such that if the cord anchorage
should slip, the current carrying conductors become taut
before the earthing conductor.
12. Re-fit the mains and terminal block covers ensuring
cables are located in the cable entry position.
13. Swing the control box back up into the operating position
and re-fit the front panel ensuring a good seal is made.
INSTALLATION
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