30
Equipment required
Pos.
Description
1
Heat pump stage 1
2
Heat pump control unit
9
Heat pump stage 2
qT
Common primary pump
qZ
Primary circuit flow temperature sensor (for installation, see page 90)
qU
Primary circuit return temperature sensor (for installation, see
page 90)
qO
Frost stat, primary circuit
wP
Brine accessory pack
wQ
Pressure switch, primary circuit
wW
Heat exchanger, primary circuit
wE
Flow limiter, well circuit (remove jumper before connecting)
wR
Dirt trap
wZ
Well pump (suction pump for groundwater; connect via on-site contactor
with fuse protection)
■ 230 V connection: See page 26
■ 400 V connection: See pages 31, 27
wU
Delivery well
wI
Return well
Electrical installation scheme
For an overview of the electrical connec-
tions and more information on the PCBs,
see from page 72 and the separate
service instructions, Vitotronic 200 heat
pump control unit.
Preparing for installation
Primary circuit, type WW 301.A + BWS 301.A…
(cont.)
5600 161 GB
Summary of Contents for BW 01.A06
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