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Installation sequence
Electrical connections
With solar
To HKK PCB of the control unit
Connection group
A1
TWE only
—
—
1 heating circuit
HC1
with mixer
—
and solar
2 heating circuits
HC1
with mixer
—
and solar
HC1
3 heating circuits
HC1
with mixer
—
and solar
HC1
4 heating circuits
HC1
with mixer
HC1
and solar
1 heating circuit
HC1
with mixer, solar,
HC1
and TWE
—
—
2 heating circuits
HC1
with mixer, solar,
HC1
and TWE
—
HC1
—
3 heating circuits
HC1
with mixer, solar,
HC1
and TWE
HC1
—
4 heating circuits
HC1
with mixer, solar,
HC1
and TWE
Solar and TWE on-
—
ly
—
(no heat demand)
Vitosolic 100 or Vitosolic 200 at KM-BUS
■
If a solar circuit is connected to the HKK, no
Vitosolic 100 or Vitosolic 200 may be connected to
the KM-BUS.
■
If a solar circuit is controlled via a Vitosolic 100 or
Vitosolic 200, only reheating suppression can be car-
ried out via the KM-BUS connection.
A Vitosolic 100 or Vitosolic 200 can be connected to
■
the KM-BUS in addition to 3 extension kits.
38
(cont.)
A2
TWE + (UP) + (ZP)
(UP) + (ZP)
(UP) + (ZP)
(UP) + (ZP)
HC2
(UP) + (ZP)
(UP) + (ZP)
HC2
(UP) + (ZP)
(UP) + (ZP)
HC2
(UP) + (ZP)
TWE + (UP) + (ZP)
(ZP) + (UP)
TWE + (UP) + (ZP)
(UP) + (ZP)
HC2
(UP) + (ZP)
(UP) + (ZP)
TWE + (UP) + (ZP)
TWE + (UP) + (ZP)
HC2
(UP) + (ZP)
TWE + (UP) + (ZP)
TWE + (UP) + (ZP)
HC2
TWE + (UP) + (ZP)
TWE + (UP) + (ZP)
(UP) + (ZP)
A3
—
—
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
SOL
"System examples", chapter "Required codes",
"Hardware" group
Other electrical connections
Make other electrical connections according to the
"System examples" document and the connection and
wiring diagram. See from page 142.
To "Extension kit for heat-
ing circuit with mixer" (if
installed) via KM-BUS
E1
E2
E3
Rotary selector S1 setting
1
3
5
—
—
—
TWE
—
—
—
—
—
HC1
—
—
—
—
—
HC1
HC2
—
HC2
—
—
HC3
—
—
HC1
HC2
HC3
HC2
HC3
—
HC3
HC4
—
HC2
HC3
HC4
—
—
—
TWE
—
—
HC1
—
—
HC1
TWE
—
TWE
—
—
HC2
TWE
—
HC1
HC2
TWE
HC2
—
—
HC1
HC2
—
HC3
TWE
—
HC2
HC3
TWE
HC2
HC3
—
HC1
HC2
HC3
HC3
HC4
TWE
HC2
HC3
HC4
—
—
—
TWE
—
—
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