Wolf CGB-2 Series Installation Instructions For Contractors page 48

System configuration 51
BMS burner output
• Burner is enabled subject to demand from the external
controller
• Internal appliance pump is enabled as a feed pump
from 2 V
• No temperature control
• Input E2:
0-10 V control from the external controller
0-2 V burner OFF
2-10 V burner output min. to max. within the
programmed limits (HG02 and HG04)
• Automatic output reduction when approaching TK
(HG22) is enabled. Shutdown when TK
System configuration 52
BMS set boiler temperature
• Burner is enabled subject to demand from the boiler
thermostat
• Internal appliance pump is enabled as a feed pump
from 2 V
• Thermostatic boiler control
• Input E2:
0-10 V control from the external controller
0-2 V burner OFF
2-10 V set boiler water temperature TK
(HG22)
System configuration 60
Cascade (automatic setting, if cascade module is
connected)
• Burner starts following a demand from the cascade
module via eBUS (0-100 % burner output; min. to max.
within the programmed limits HG02 and HG04)
• Internal appliance pump is enabled as a feed pump
• Header temperature control via cascade module
• Input E2: not assigned
• Automatic output reduction when approaching TK
(HG22) is enabled. Shutdown when TK
• A low loss header or plate heat exchanger can be used to
provide system separation
Important information:
In these schematic diagrams, shut-off valves, air vent valves and safety equipment are not fully
represented. These should be provided for each system individually, in line with the applicable standards and
regulations.
Hydraulic and electrical data can be found in the hydraulic system solutions technical guide.
48
24. Parameter description
max
is reached
max
(HG21) - TK
min max
max
is reached
max
E2
BMS %
E2
BMS °C
eBUS
KM
SAF
3064810_201804