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4.2 REX/REX F/REX K/REX K F 7-40 BOILER CASINGS (Fig. 8)
a) Wrap the glass wool around the boiler body leaving the bulb well (P) on the right side exposed.
b) Insert the wires connecting the burner to the control panel in the lower slits of panel (1S) and (1D), allow-
ing for the opening direction of the manhole.
c) Fit the panel (1S), inserting the upper fold into the square tube and the lower fold to the boiler side
frame.
d) Fit the upper panel (2S) on the boiler and fit on this panel the control panel; uncoil the thermometer and
thermostat capillaries and insert the bulbs in the wells.
e) Fit panel (1D) as indicated under point c); fit panel (2D) ensuring that the capillaries are inserted in the
slot provided in the panel itself. Securing the control panel.
f) Secure the upper panels by screws and close the passage holes with special caps (see figure)
Super-isolation (on request)
g) Fit panels (3) and (4) connecting them to the side panels.
Fig. 8
Key:
P
Bulb wells –
TR1-TR2
Regulation thermostats -
TS
Safety thermostat -
TM
Circulator consent thermo-
stat -
TMC
Boiler thermometer.
