Intergas Combi Compact HRE 24/18 Installation, Service And User Instructions Manual - page 33
Intergas Heating Ltd
33
10.2 Setting via the service code
The boiler controller in the appliance is factory set in accordance with the parameters.
These parameters can only be changed using the service code. Proceed as follows to activate
the program memory:
1. Press
the and keys simultaneously until a
0
appears on the service- and
temperature display.
2. Using the and keys set
15
(service code) on the temperature display.
3. Using
the key set the parameter to be set on the service display.
4. Using
the and keys set the parameter to the desired value (visible) on the
temperature display.
5. Once all desired changes have been entered, press the key until a
P
appears on the
service display.
The boiler controller has now been reprogrammed.
•
Pressing the key in takes you out of the menu without storing the parameter changes.
•
By pressing the
button over 5 seconds the default setting for the parameters will be restored. In the display “F-set” appears
.
10.3 Parameters
Para-
meter
Combi Compact HRE
Factory settings
Setting
24/18
28/24
36/30
Description
0 Service
code
[15]
- - -
Access to installer settings
The service code must be entered (= 15)
1 Installation
type
0 0 0
0= Combi
1= Heating only + external DHW tank
2= DHW only (no heating system required)
3= Heating only
2
CH pump continuous
0 0 0
0= post purge period only
1= pump continuously active
2= pump continuously active with MIT switch
3= pump on with external switch
3
Maximum CH power set
70 70 70 Adjustment range of set value parameter c up to 85%
4
Maximum DHW power set
99 99 99 Adjustment range of set value parameter d up to 99%
5
Min. supply temperature of the heat
curve
25 25 25 Adjustment range 10°C to 25°C
6
Min. outside temperature of the heat
curve
-7 -7 -7 Adjustment range -9°C to 10°C
7
Max. outside temperature of the heat
curve
25 25 25 Adjustment range 15°C to 30°C
8
CH pump post purge period
1 1 1
Adjustment range 0 to 15 minutes
9
CH pump post purge period after DHW
operation
1 1 1
Adjustment range 0 to 15 minutes
(N.a. for Combi Compact appliance)
b Booster
0 0 0
N.a.
C Step
modulation
1 1 1
0= step modulation off during CH operation
1= step modulation on during CH operation
c
Minimal CH rpm
30 30 30 Adjustment range 25 to 50 % (40 = propane)
d
Minimal DHW rpm
30 30 30 Adjustment range 25 to 50% (40= propane)
E
Min. Supply temperature during OT
demand
(OT= OpenTherm thermostat)
40 40 40 Adjustment range 10°C to 60°C
E .
OT response
1 1 1
0= ignore OT if
1= limit OT if
2= OT on-off
F Start
rpm
CH
70 70 70 Adjustment range 50 to 99% of the set maximum rpm
F .
Start rpm DHW
70 70 70 Adjustment range 50 to 99% of the set maximum rpm
H
Max. fan rpm
45 43 48 Adjustment range: nominal value ± 200 rpm.
With this parameter the maximum rpm can be set
n
Set point CH (flow temperature) during
heating external DHW tank
85 85 85 Adjustment range 60°C to 90°C
o
Waiting time after a DHW demand before
a CH demand is answered
0 0 0
Adjustment range 0 to 15 minutes
P
Anti-cycling period during CH operation
5 5 5
Minimal switch-off time in CH operation
Adjustable from 0 to 15 minutes