Unical ELLPREX Series - Page 17

17
ELLPREX 170÷630
fig. 22
and any ancillary equipment to the panel
board.
Close the panel board.
Guide the burner plug through the side cable
clamp plate (11) on the preferred side and
clamp the cable using the cable clamp
supplied.
Fix the side cable clamp plates (11) to the
casing side panels (3 & 4).
Fit the cables, leaving the boiler from the
back side, with the plastic screws of the
cable clamps (9).
G. Position the upper panels (12 and 13) and
press them against the side panels.
H. Remove the protective paper film from data
plate and ventilation requirement label (14)
and fit them at the top front corner of the
most accessible side panel after removal of
dust from the surface.
The data plate and label are in the
documents envelope.
Assembly of the casing should be carried out
in the following steps:
Refer to diagram on fig. 22 for details
A. Fit the insulation blanket (1) onto the boiler
shell and secure it in to place using the
elasticated straps (2) provided, ensuring that
the metal clips grip in to the external surface
of the insulation.
B. Locate the side panels (3) and (4) with the
lower bend inside the bottom L profiles and
the upper bend in the seats of front and
rear tube plates.
To determine which is the left and right panel
ensure that the cable clamp plates are
positioned facing toward the front edge.
C. Open the combustion chamber door and fit
the front insulation (5), inserting the hinges
in the pre-cuts.
Insert the side ends of the insulation under
the bend of the two side panels (3 & 4).
D. Fit the rear insulation (pos. 6), fix the rear
lower, intermediate and upper panels (pos.
7, 15 & 8) with the self tapping screws.
Fit the plastic cable clamps (9) to the upper
rear panel (8).
E. After removal of the two side screws from
the panel board rotate its cover towards the
front and insert the cables and the capillaries
of thermometer and thermostats through the
slots on its base.
Fit the panel board to front upper panel (10).
Fit the upper panel (10), complete with the
panel board to the side panels (3 & 4).
F) Insert the thermometer and thermostat bulbs
in the bulb holders as shown in fig. 23 and
connect the mains, the burner, the pump(s)
fig. 23
1 Thermometer bulb
2 Working thermostat bulb
3 Safety thermostat bulb
4 Minimum thermostat bulb
5 Bulb retaining clip
6 Contact spring