Viessmann GC1 - Page 11

11
5793 309 - 05
Vitotronic 100, GC1B / Vitotronic 300-K, MW1B Installation and Service
Installation Examples
System Example 1 (continued)
Equipment required
Pos. Description
wE
or
Supply temperature sensor M3 as
- contact temperature sensor
or
- immersion temperature sensor
and
wT
Mixing valve motor for flanged mixing valve M3
wZ Heating circuit 1 at the Vitotronic 200-H eP
wI
Heating circuit pump M1
Extension kit for one heating circuit with mixing valve:
wU
Supply temperature sensor M1 as contact temperature sensor
and
wO
Mixing valve motor M1
or
wU
Supply temperature sensor M1 as
- contact temperature sensor
or
- immersion temperature sensor
and
wO
Mixing valve motor for flanged mixing valve M1
eP
Vitotronic 200-H
and
LON communication module (accessory)
and
LON connecting cable (accessory)
eQ
Outside temperature sensor ATS
Boiler accessories
eR
Connection to safety equipment aBÖ (see page 61
)
eT
Minimum pressure limiter SDB
eZ
Maximum pressure limiter SDB
eU
Water level limiter (low water indicator) WB
eI
Central fault message system S
eO
Flue gas temperature sensor AGS
External hook-ups
zR
- External changeover of stepped/modulating burners
zI
- External boiler blocking
zO
- Start boiler externally as the last one in the boiler sequence
System accessories
eE
Vitotrol 200A or Vitotrol 300A
eI
Central fault message system S
rP
ON/OFF switch