38
Controller and sensor PCB (sensors)
Set the required parameters during commissioning:
See page 55 onwards.
Plug
Sensor/component
Type
F0.1/F0.2
Outside temperature sensor
NTC 10 k
Ω
F0.2/F0.3
Radio clock receiver (on site)
DCF
F4
Buffer temperature sensor
NTC 10 k
Ω
F6
Cylinder temperature sensor, top
NTC 10 k
Ω
F7
Cylinder temperature sensor, bottom
NTC 10 k
Ω
F11
Contact humidistat 24 V
Note
If a contact humidistat is used in the NC-Box or AC-Box for cooling,
insert a
jumper
, otherwise the heat pump will not start (message
"CA Protectn de-
vice primry"
).
—
F12
Flow temperature sensor, heating circuit with mixer M2/HC2
NTC 10 k
Ω
F13
Flow temperature sensor, system (downstream of the heating water buffer
cylinder and external heat generator)
NTC 10 k
Ω
F14
Flow temperature sensor, cooling circuit: Heating circuit without mixer
A1/HC1 or separate cooling circuit SKK
NTC 10 k
Ω
F16
Room temperature sensor, cooling circuit
■
Required for separate cooling circuit SKK
■
Recommended for heating/cooling circuit without mixer A1/HC1
NTC 10 k
Ω
F20
Boiler water temperature sensor, external heat generator
NTC 10 k
Ω
F27
Flow temperature sensor, secondary circuit for heat pump stage 2
Pt500A
(PTC)
aJ
B
(X25.13/
X25.14)
Return temperature sensor, secondary circuit for heat pump stage 2
Pt500A
(PTC)
aVG
KM-BUS (wires interchangeable)
Use the KM-BUS distributor (accessories) if several devices are connected.
KM-BUS subscribers (examples):
■
Mixer extension kit M3/HC3
■
Remote control: Set the heating circuit allocation on the remote control.
■
EA1 extension, AM1 extension
—
sVA
Modbus 2 (wires
not
interchangeable)
Connection for photovoltaic system energy meter
—
J3
Jumper for terminator, Modbus 2
Terminator active (delivered condition)
Terminator not active
—
J4
Jumper for setting master/slave, Modbus 2
Heat pump control unit is slave.
Heat pump controller is master (delivered condition).
—
Installation sequence
Electrical connection
(cont.)
5516461
Installation
Summary of Contents for BW 301.B06
Page 69: ...69 Fig 49 Maintenance Opening the casing door 5516461 Maintenance...
Page 76: ...76 Maintenance Condensation and moisture in the heat pump cont 5516461 Maintenance...
Page 79: ...79 Parts lists type BWC 301 B Parts not shown type BWC 301 B cont 5516461 Components...
Page 88: ...88 Parts lists type BWC 301 B Hydraulics type BWC 301 B cont 5516461 Components...
Page 91: ...91 Parts lists type BW 301 B Parts not shown type BW 301 B cont 5516461 Components...
Page 100: ...100 Parts lists type BW 301 B Hydraulics type BW 301 B cont 5516461 Components...
Page 103: ...103 Parts lists type BWS 301 B Parts not shown type BWS 301 B cont 5516461 Components...