Technical data

99..00 IINNSSTTAALLLLAATTIIOONN
99..66 MMAAKKIINNGG TTHHEE EELLEECCTTRRIICCAALL CCOONNNNEECCTTIIOONNSS
The boiler is fitted with a 1.5m length of 3 core cable. This
can be connected to the fused 3A 230V 50Hz supply.
To connect an external control proceed as follows:-
1. Lower the drop down door.
2. Remove the two screws holding the controls box and ease
the box away from the boiler. The electrical connections are
made at the left hand side on the rear of this box.
3. Slacken the cable clamp on the terminal block (Fig. 36).
Insert
the external control wiring through the clamp and route
it to the terminal block. Tighten the cable clamp.
4. Refer to the instructions supplied with the control.
IIMMPPOORRTTAANNTT::
The room thermostat
MMUUSSTT
be suitable for
230V switching.
Ensure that the external control input cable (s) have
suf
ficient slack to allow the control box to drop down.
5. Route external control cables away through the mains cable
grommet supplied.
© Dimple
x Boiler
s 2008
2233
99..77 PPRREELLIIMMIINNAARRYY EELLEECCTTRRIICCAALL CCHHEECCKKSS
1. Prior to commissioning the boiler preliminary electrical
sy
s
tem checks should be carried out.
2. These should be performed using a suitable meter, and
include checks for Earth Continuity, Resistance to Earth, Short
Circuit and Polarity.
L1 brown
L2 red
green/yellow
green/yellow (earth)
Fused supply 3A
230V~50Hz
brown (live)
red linkwire230V - Switch Live
230V - To external control
Permanent live
blue (neutral)
N blue
L3 orange
Connect external control using L2 & L3
Disconnect link wire
To boiler
FFiigg.. 3377
FFiigg.. 3366