10
With water/water heat pump conversion kit: 1 primary pump
Hydraulic installation scheme
19
24
26
28
22
20
2
--KM BUS--
--X3.8;3.9--
--21
1.1--
--230V
--
--2/X3.8;3.9--
--2/21
1.1--
27
---------
P1
P1
--2/X3.3;3.4--
23
--X3.3;3.4--
21
--2/X3.8;3.9--
11
6
15
7 4
P
Fig. 2
Note
Type BWC 301.B is shown. In this case, the circulation
pumps are fitted and connected at the factory (primary
pump
qT
, secondary pump
6
, circulation pump for
cylinder heating
7
, instantaneous heating water
heater
4
optional).
For type BW 301.B,
no
circulation pumps are factory-
fitted. For the connection, see "Electrical installation
scheme".
Equipment required
Pos.
Designation
1
Heat pump
2
Heat pump control unit
qT
Primary pump
qO
Frost stat, primary circuit
wP
Brine accessory pack
wQ
Pressure switch, primary circuit
wW
Separating heat exchanger, primary circuit
wE
Flow switch, well circuit (remove jumper when
connecting)
Pos.
Designation
wR
Dirt trap
wZ
Well pump (suction pump for groundwater; con-
nect via on-site contactor with fuse protection)
■
230 V connection: See page 11.
■
400 V connection: See page 11.
wU
Delivery well
wI
Return well
Preparing for installation
Primary circuit, type BW/BWC 301.B
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...
