12
x
Technical data
12.1.3 Integrated gas boiler
12.1.4 Integrated heating circulation pump, 3-way valves
Type (1)*
GCU compact (Biv)
Parameters
Unit
315 / 515
320 / 520
524
528
Permitted ambient temperature
°C
1 - 60
Product ID (CE number)
(3)*
CE-0063 CR 3574
Automatic firing unit
Elster QCM434-R1
Safety gas control block
Elster CES10
Burner fan
ebmpapst NRG 118/0800-3612
Burner weight
kg
2.8
Nominal heat output (80/60 °C) P
n
(6)*
kW
2.9 - 14.6
2.9 - 19.5
3.9 - 23.4
(4.9 - 23.4)
1)
3.9 - 27.2
(4.9 - 27.2)
1)
Nominal heat output with condensation (50/30 °C)
P
nc
kW
3.2 - 15.8
3.2 - 21.0
4.3 - 25.1
(5.4 - 25.1)
1)
4.3 - 29.1
(5.4 - 29.1)
1)
Rated thermal load Q
n
(5)*
kW
3.0 - 15.0
3.0 - 20.0
4.0 - 24.0
(5.0 - 24.0)
1)
4.0 - 28.0
(5.0 - 28.0)
1)
Device type
(2)*
B
23
, B
23P
, B
33
, B
53
, B
53P
,
C
13
, C
33
, C
43
, C
53
, C
63
, C
83
, C
93
NOx class (to EN 15502-1)
(4)*
6
NOx output (with reference to calorific value H
s
)
mg/kWh
23
31
31
31
Boiler body water content
litres
1.2
Max. permissible operating pressure PMS
(12)*
bar
3.0
Max. permissible operating temperature
(13)*
°C
85
Max. boiler efficiency
%
108
Flue gas / air infeed connection diameter
mm
DN 60/100
(DN 80/125 with SET GCU1 (
15 50 79.17))
1)
Liquid gas setting
*
For position numbers, see fig. 12-1
Tab. 12-3
Technical data for GCU compact
gas burner
Parameters
Unit
Heating circulation pump
Type
Grundfos UPM3K 25-75 CHBL RT
Voltage
V
~230
Frequency (voltage supply)
Hz
50
Maximum power consumption
W
60
Protection type
IP 44
Permitted overpressure
bar
3
Maximum pumping height
m
7.5
Energy efficiency
EEI<0.2 (EN 16297-3)
3-way valves: 3UV DHW / 3UVB1
Type
AFRISO USV
Voltage
V
~230
Frequency (voltage supply)
Hz
50
Maximum power consumption
W
7
Protection type
IP 54
Turnaround time
s
75
Tab. 12-4
Technical data for heating circulation pump, 3-way valves
Summary of Contents for GCU compact 315
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