Dimensions Of Cooling Circuit; Boiler Assembly; Accesorries Assembly - ATTACK FD20 Instructions For Use Manual

9.1 DIMENSIONS OF COOLING CIRCUIT

10 BOILER ASSEMBLY

Set the boiler body on the place, connect heating and return water with the help of flanges with
the G2" internal thread. To the outlet of heating water in the upper part of the boiler body, ad-
just a pipe on the G2 thread and a cooling loop on the pipe, then connect to the heating system.
Into the tube in the body of the cooling loop insert a sensor of the thermostatic valve which
connect to the cooling water feed. The outlet of cooling water connect to the drainage. Connect
return water from the heaters and cooling loop to the bottom part of the body.
Attach a discharge cock into the G1/2" opening in the rear bottom part of the boiler.
Attach the boiler to the chimney with the help of the flue pipe with 150 mm diameter.

11 ACCESORRIES ASSEMBLY

Assembly of screw with end piece proceed as following (fig. 5):
• Remove the screw M8×60, fixing the air blast damper to the ash box port and fix on the
screw with the bakelite knob (1), which is supplied in the packaging. Place the blind nut with
cap (2) at the end of M10 screw. Fix M6 lever to the air blast damper (3) placing it in a hori-
zontal direction on the right. The lever has an opening at the end where the chainlet of the
thermostatic regulator will be connected.
12
LEGEND:
1 – Screw with M10 × 70 knob
2 – Blind nut with cap
3 – Air blast damper