32
Plug
sYH
Clamps
Function
Explanation
216.1
A1
External hook-up, heating/cooling cir-
cuits:
Central heating demand, heating cir-
cuit A1/HC1
or
230 V~ digital input:
■
230 V~: Central heating demand for heating circuit
A1/HC1 active
■
0 V: No demand
■
Breaking capacity 230 V, 2 mA
Smart Grid:
Floating contact 1
230 V~ digital input:
■
230 V~: Contact active
■
0 V: Contact not active
■
Breaking capacity 230 V, 2 mA
216.2
A1
External hook-up, heating/cooling cir-
cuits:
Room cooling demand, heating circuit
A1/HC1
230 V~ digital input:
■
230 V~: Room cooling demand for heating circuit
A1/HC1 active
■
0 V: No demand
■
Breaking capacity 230 V, 0.15 A
216.4
Smart Grid:
Floating contact 2
230 V~ digital input:
■
230 V~: Contact active
■
0 V: Contact not active
■
Breaking capacity 230 V, 2 mA
Note
If heat pump stage 2 is connected, the external hook-
up for heating/cooling circuits is not possible.
Expansion PCB on main PCB (230 V~ components)
Information regarding the connection values
■
The specified output is the recommended connected
load.
■
The total output of all components connected directly
to the heat pump control unit (e.g. pumps, valves,
message facilities, contactors) must not exceed
1000 W.
If the total output is < 1000 W, the individual rating of
a component (e.g. pump, valve, message facility,
contactor) can be greater than specified. However,
the breaking capacity of the corresponding relay
must not be exceeded.
■
The stated current indicates the max. switching cur-
rent of the switching contact (observe the total cur-
rent of 5 A).
■
Controls for external heat source and central fault
messages are unsuitable for safety LV.
Set the required parameters during commissioning:
See page 55 onwards.
Plug
sXS
Clamps
Function
Explanation
222.1
Control of mixer motor for external
heat generator
Signal mixer CLOSE
Connection values
■
Output: 10 W
■
Voltage: 230 V~
■
Max. switching current: 0.2(0.1) A
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...
