Boilers Flow Charts And Control Boiler's Operation - BaltGaz NEVALUX 7224 User Manual

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1) Switch the boiler off (see p.
2) Put off a casing from the boiler. For this it is necessary to unscrew 4 casing's fastening screws (self-threading
screws) to the low panel of a boiler and 6 casing's fastening screws (self-threading screws) to the front panel;
3) Throw a front panel together with a cover down, then remove a casing while pulling it up and over yourself;
4) Remove a sealing cap, unscrew 4 screws (self-threading screws) and pull a cap hard up over yourself. When
reassembling, take into consideration, a correct installation of the cap's sides which should enter the slots on
the back side of the boiler;
5) Remove a manifold. For this to unscrew 2 fastening screws (self-threading screw) of the manifold to the front
burner's bracket and with a turnkey 30 to unscrew a nut fixing a manifold to the gas pipe (detailed description
of removing the manifold see in p.17.1, page 36);
6) To replace nozzles in the burner's manifold to the nozzles with aperture diameter:
 0,79 vv for LPG;
 1,31 for NG;
7) Remove a housing closing an electronic board by unscrewing 6 screws (self-threading screw) on the hosing
and mount a jumper СМ1 (see Appendix, page.53) in the position:
 "В-С" for LPG;
 "А-В" for NG;
8) Adjust boiler's power (see section
9) Assemble boiler's elements in the reverse order;
10) Make an entry into the section "Certificate of rendering to another gas type" of user's manual;
11) Make an entry on the boiler's label and in the section
BOILERS FLOWCHARTS AND CONTROL BOILER'S OPERATION
13.
10.4
, page 21);
11
, page 22);
(page40) of the present User's manual.
21
User's manual

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