Intergas Combi Compact HRE 28/24 User Manual

Intergas Heating Ltd 35
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 main
display.
2. Using the and keys set 15 (service code) on the main display.
3. Using the key set the parameter to be set on the service display.
Using the and keys set the parameter to the desired value (visible) on the main
display.
4. 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.
10.3 Parameters
Combi Compact HRE
Factory settings
Setting 24/18 28/24 36/30 36/40 Description Par.
Service code [15] - - - - Access to installer settings
The service code must be entered (= 15)
0
Installation type 0 0 0 0 0= Combi
1= Heating only + external DHW tank
2= DHW only (no heating system required)
3= Heating only
1
CH pump continuous 0 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
2
Maximum CH power set 70 70 70 99 Adjustment range of set value parameter c up to 85% or
up to 99 (HRE 36/40 only)
3
Max. power modulating pump 80 80 80 100 Adjustment range = value of parameter c. until 100 % 3.
Maximum DHW power set 99 99 99 75 Adjustment range of set value parameter d up to 99% or
75 % (HRE 36/40 only)
4
Min. supply temperature of the
heat curve
25 25 25 25 Adjustment range 10°C to 25°C 5
Max. value flow temperature in
display (end user setting)
90 90 90 90 Adjustment range 30°C to 90°C 5.
Min. outside temperature of the
heat curve
-7 -7 -7 -7 Adjustment range -9°C to 10°C 6
Max. outside temperature of the
heat curve
25 25 25 25 Adjustment range 15°C to 30°C 7
CH pump post purge period 1 1 1 1 Adjustment range 0 to 15 minutes 8
CH pump post purge period after
DHW operation
1 1 1 1 Adjustment range 0 to 15 minutes
(N.a. for Combi Compact appliance)
9
Booster 0 0 0 0 N.a. b
Step modulation 1 1 1 1 0= step modulation off during CH operation
1= step modulation on during CH operation
C
Minimal CH rpm 30 30 30 20 Adjustment range 25 to 50 % c
Max. power modulating pump 40 40 40 50 Adjustment range 15 until value of parameter 3. c.
Minimal DHW rpm 25 25 25 20 Adjustment range 25 to 50% d
Min. Supply temperature during
OT demand
(OT= OpenTherm thermostat)
40 40 40 40 Adjustment range 10°C to 60°C E
OT response 1 1 1 1 0= ignore OT if < E
1= limit OT if < E
2= OT on-off
E.
Start rpm CH 70 60 50 40 Adjustment range 50 to 99% of the set maximum rpm F
Start rpm DHW 70 60 50 40 Adjustment range 50 to 99% of the set maximum rpm F.
Max. fan rpm (factory setting) 48 48 50 65 Adjustment range: nominal value ± 200 rpm.
With this parameter the maximum rpm can be set
H

Intergas Combi Compact HRE 28/24 Specifications

General

Type	-
Fuel type	Natural gas
Boiler system	Combi boiler system
Product color	White
Heater location	Indoor
Placement supported	Vertical
Gas inspection label	CW, HRe, NZ, SV
Boiler type (NL label)	HR
CW inspection label class	4
HR inspection label class	107
Efficiency	107 %
Maximum power	- W
Water flow (40 °C)	12.5 l/min
Water flow (60 °C)	7.5 l/min
Maximum operating pressure	3 bar
Domestic Hot Water (DHW) flow	- l/min

Weight and Dimensions

Depth	240 mm
Width	450 mm
Height	650 mm
Weight	33000 g