Intergas Combi Compact HRE 28/24 User Manual

Intergas Heating Ltd 50
13 ELECTRICAL CONNECTIONS
13.1 Electrical wiring
A
Earth connections heat-exchanger
F
Fuse (2A T)
P1
CH pump
S3
DHW sensor
B
Spark plug cover
G
Gas valve + ignition unit
S5
Flow sensor DHW
C Boiler controller I Ionisation-/ ignition probe S1 Flow sensor S7 CH water pressure sensor
E Earth connections boiler controller M
Main voltage S2 Return sensor V Fan
3,15 AT
Connector X4
24V=
6-7 On/off room thermostat (0,1A-24Vdc) and/or frost thermostat (remove connection 6-7)
8-9
Outdoor sensor (12k ohm / 25°C)
11-12
OpenTherm thermostat (remove connection 6-7)
Connector X2
230V ~
1-3 Room thermostat 230 AC (1 = Switch live, 3 = Live(fused)
1-3
Frost thermostat 230 AC (1 = Switch live, 3 = Live(fused)
3-6
Power supply (230 V) fan
2-4
Mains (2 = Live (brown), 4 = Neutral (blue))
7-8
CV-pump (8 = Live (brown), 7 = Neutral (blue)
3-5-6
Shut-off valve, floor heating (3 = Live (brown), 5 = Switch (black), 6 = Neutral (blue) (VC4013 Honeywell
230V~)
Connector X5
Computer interface
13.2 NTC resistances
NTC 12kOhm
T [°C]
R[ohm]
T [°C]
R[ohm]
T [°C]
R[ohm]
T [°C]
R[ohm]
-
15
76020
15
18300
45
5522
75
1994
-
10
58880
20
14770
50
4609
80
1707
-
5
45950
25
12000
55
3863
85
1467
0
36130
30
9805
60
3253
90
1266
5
28600
35
8
055
65
2752
95
1096
10
22800
40
6653
70
2337
100
952

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