Manual Calibration Function; Aeration Function; Changing The Type Of Gas - ECR International COMBI 115 Installation, Operation And Maintenance Manual

9 .9 M a nua l Ca libra t ion Funct ion:
Manual Calibrat ion phase st art s at t he end of t he Aut om at ic
Calibrat ion.
The Display shows t he boiler power and adj ust m ent of t he CO2
value ( param et er set t ing) during Manual Calibrat ion sequence.
The process begins at m inim um power.
A. Aft er Aut om at ic Calibrat ion sequence wit h
flashing together on the display, you can adjust minimum
power com bust ion by pressing
t o raise % CO .
2
B. When minimum power combustion is in the specified
range, press and t hen
C. Press t o adj ust ignit ion power com bust ion. Press
t o lower % CO , and
2
D. When ignition power combustion is in the specified range,
press and t hen
E. Press t o adj ust m axim um power com bust ion. Press
t o lower % CO , and
2
F. When maximum power combustion is in the specified
range, press t o exit Manual Calibrat ion Funct ion ESC
is displayed on t he sceen..
I M PORTAN T I N FORM ATI ON
A. I f display shows fault E1 1 8 ( low pressure in hydraulic
circuit) open filling tap on appliance and restore correct
pressure.
B. I f gas recognit ion funct ion is int errupt ed due
t o fault ( e.g.: E1 3 3 no gas) press
reset . Then press
6 seconds) t o rest art t he funct ion again.
I f gas recognit ion funct ion is int errupt ed due t o
overheat ing, rest art funct ion by pressing and holding
down t oget her for at least 6 seconds.
C. Com bust ion of t his appliance is fact ory default for
operat ion t o Nat ural gas.
9 .1 0 De- Aera t ion Funct ion
Used t o elim inat e air inside t he heat ing circuit when boiler
is inst alled or aft er m aint enance when wat er is drained from
prim ary circuit .
1.
Press but t ons
On appears on display for a few seconds, followed by
program row 3 1 2 .
The electronic board will activate pump on/off cycle for
2.
10 m inut es. Funct ion will aut om at ically st op at end of t he
cycle.
3.
To m anually exit t his funct ion, press
t oget her and hold for 6 seconds.
9 - START U P PROCED U RE
t o lower % CO
t o reach ignit ion power.
t o raise % CO .
2
t o reach m axim um power.
t o raise % CO .
2
t o
and ( for at least
t oget her and hold for 6 seconds.
but t ons
FI GURE 9 - 3 - Ga s I nlet Ta p - Pi
, and
2
PI = Gas Supply I nlet Pressure Tap
9 .1 1 Cha nging The Type Of Ga s
I f change of gas type is required a ft er first installation:
• Change param et er P0 2 . See sect ion 9.15
Com m issioning and sect ion 9 .1 5 Param et er Set t ings.
• Check m inim um gas pressure is suitable for selected gas:
m inim um gas pressure is determ ined with boiler operating
at high fire and any other appliances connected to same fuel
source operational as well ( whole house load)
Gas A ( NG) = 3.5" ( 8.7 m bar)
Gas E ( LPG) = 8.0" ( 19.9 m bar)
• Place supplied label wit h indicat ion of gas t ype close t o
t he dat a plat e of boiler replacing t he original.
Perform Aut om at ic Calibrat ion Funct ion - Sect ion 9 .8 .
•
Manufact urer recom m ends verification of CO2
•
concentration on the flue.
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240013687 REV A [ 09/ 01/ 2022]