2 System installation
Optional
2 heating circuits
(Boiler I/O board with 2
heating circuits)
1 boiler I/O board with 2 released heating circuits
1 safety thermostat
completely cabled and mounted
1 boiler temperature sensor
1 DHWC sensor (pin sensor Ø 6 mm)
2 buffer sensor (pin sensor Ø 6 mm)
1 return flow sensor (contact sensor)
1 outdoor sensor with enclosure
in addition for heating circuit configuration
2 forward flow sensors
(contact sensors)
2 analogue room control units +
room sensors
or
2 digital room control units +
room sensors
(Room control units
must be ordered for this.)
Optional Heating circuit
expansion module
(HCM)
1 outdoor sensor with enclosure
bus-capable expansion module,
distributed placement
2 forward flow sensors
(contact sensors)
1 boiler sensor (pin sensor Ø 6 mm)
2 buffer sensors (pin sensors Ø 6 mm)
2 analogue room control units +
room sensors
or
2 digital room control units +
room sensors
(Room control units
must be ordered for this.)
Optional
Plug-in module 1
(Only for type GL
and GS)
suction conveyor +
second boiler switchover
specific pin assignment according to the configuration:
see connection diagrams
heating circuit 0 +
second boiler switchover
(When ordered for HC 0 1 forward flow sensor
(contact sensor) is also supplied.)
Connection diagrams (section 17)
The following devices can be connected:
VARIANTS: DEVICES:
Boiler I/O without heating circuits
(basic module):
1 Boiler heating circuit pump, 1 return flow mixer,
1 boiler pump,
Boiler I/O with 1 heating circuit: 1 supply pump, 1 return flow mixer, 1 DHCW pump, 1 heating circuit pump,
1 heating circuit mixer, 1 analogue or digital room control unit (optional)
Boiler I/O with 2 heating circuits: 1 supply pump, 1 return flow mixer, 1 DHCW pump, 2 heating circuit pumps,
2 heating circuit mixers, 2 analogue or digital room control units (optional)
Heating circuit expansion module (HCM): 1 supply pump, 1 DHCW pump, 2 heating circuit pumps, 2 heating circuit mixers,
2 analogue or digital room control units (optional)
Pump connection: 230 VAC, max. 200 W, speed-controlled output for boiler circuit pump
(suitable for speed control of fixed-speed pumps).
Mixer motor connection: 230 VAC, open/off/closed (three-step)
MA-Easyfire 10.2008_EN.indd 29MA-Easyfire 10.2008_EN.indd 29 30.03.2009 13:30:00 Uhr30.03.2009 13:30:00 Uhr
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