13
Equipment required
Pos.
Designation
1
Heat pump stage 1
2
Heat pump control unit
9
Heat pump stage 2
qT
Primary pump, heat pump stage 1
qZ
Primary circuit flow temperature sensor (for installation, see page 54)
qU
Primary circuit return temperature sensor (for installation, see
page 54)
qO
Frost stat, primary circuit
wP
Brine accessory pack
wQ
Pressure switch, primary circuit
wW
Heat exchanger, primary circuit
wE
Flow switch, well circuit (remove jumper before connecting)
wR
Dirt trap
wT
Primary pump, heat pump stage 2
wZ
Well pump (suction pump for groundwater; connect via on-site contactor
with fuse protection)
■ 230 V connection: See page 14.
■ 400 V connection: See pages 15, 19.
wU
Delivery well
wI
Return well
Note
Either fit primary circuit flow and return
temperature sensors in the sensor wells
of the hydraulic modules (accessories)
or use a sensor well set (accessories).
Electrical installation scheme
For an overview of the electrical connec-
tions and more information on the PCBs,
see from page 36 and the separate
service instructions for the "Vitotronic
200" heat pump control unit.
Preparing for installation
Primary circuit, type BW + BWS (2-stage)
(cont.)
5546 273 GB
Installation
Содержание BW 351.A07
Страница 28: ...28 Removing the top panel 1 Installation sequence Siting the heat pump cont 5546 273 GB ...
Страница 88: ...88 Opening the casing door Troubleshooting Repairs cont 5546 273 GB ...
Страница 90: ...90 D C Q R S V K X P F J U T X Q S T R D Y W Type BWC 351 A07 Troubleshooting Repairs cont 5546 273 GB ...