YDEMERESUAC
ELBISSOPTLUAF
1. M a in s water s upp ly off.
2. S tra ine r bloc k e d.
and c lea n (s ee page 28).
3. C old W at er C om b ination
V alve inc orrec tly fitted .
3. C h ec k and re fit as requ ire d.
1. BACK UP immers ion h ea ter
not s witc hed on.
1. C h ec k and s w itc h on.
2. BACK UP immers ion h ea ter
therm al c u t-ou t h as opera ted.
2. C h ec k . R es et by pu s h in g b utto n.
(Figure 16, page 23)
3. IN D IR E C T p rogrammer s et
to C e ntra l H e ating only .
3. C h ec k . S et to a Do m e s tic H ot W at er
prog ramme.
4. IN D IR E C T boile
r no t
w ork ing .
4. C h ec k boiler o peration. If fault is
s us pec ted c on s ult boiler m a nufac turer's
ins tru c t ions .
5. IN D IR E C T th erm al c ut-ou t
has op era ted.
5. C h ec k . R es et by pu s h in g b utto n on c u t-
out. Ch ec k ope ration o f in dire c t therm o s t at
(Figure 16, page 23 ).
6. IN D IR E C T m ot oris ed valve
not c onne c ted c o rrec tly .
6. C h ec k wiring and/o r p lum bing
c onnec tio ns to m oto ris ed valve (s ee F ig 13
and 14).
1. IN TE R M ITTE N TL Y
Air Volume in Megaflo eco
has reduced.
1. S ee Page 38 (Operational Faults
s e c tion for re-c harg ing )
2. C O NTINU A
LLY
2a. C hec k pres s ure from 3 Bar Presssure
Reducing Valve. If g reater than 3 b ar
replac e P re s s ure R ed uc er c artridge.
b. E x pan s ion V alve s eat
dam ag ed.
W ater d is c harges from the
T&P Relief valve continually
1. The rm a l c ontro l fa ilure
N O TE w ate r w ill b e very ho t.
1. S w itc h o ff pow e r to immers ion hea te r(s )
and s hut do wn b oiler. D O N O T tu rn o ff
w ate r s upply . W hen discha rge s tops
c heck a ll the rm a l c on trols , rep lac e if fa ulty .
M ilk y w ater
1. O x y ge nate d w ate r.
rele as es ox y gen bub bles wh en flow
ing. The
m ilk ine ss w ill dis appe ar after a s hort w hile .
No ho t w a ter flow
W ate r from hot ta ps is c old
W ater d is c harges from
8Bar Ex pans io n V a lve
1. C h ec k and o pen s top c oc k .
2. Turn o ff w a ter s upp ly . R em ove s tra ine r
1. W ate r from a pre s s uris e d s y s tem
2b. R em ove E x pans ion Relief c art rid ge from
8 Bar Pressure Relief valve and check seating. If
necessary fit new cartridge
a. 3 Bar Pressure Reducing
Valve not working correctly
1. Air volume in Megaflo eco has
reduced
1. S ee Page 38 (Operational Faults
s e c tion for re-c harg ing )
W ater d is c harges from the
T&P Relief valve intermittently
2. 8 Bar expansion relief valve
faulty
2. Check valve and replace if necessary
To Next Page
Loading...