Connections On The Primary Side Water/Water (Stages 1 And 2) - Viessmann VITOCAL 300-G Technical Manual

Design information

Connections on the primary side water/water (stages 1 and 2)

Single stage heat pump (type WW)
wR
3
wZ wU
P Primary circuit interface
Equipment required
Pos. Description
1 Heat pump
2 Heat pump control unit
qT Primary pump
qO Frost stat, primary circuit (conversion kit standard delivery)
wP Brine accessory pack
wQ Pressure switch, primary circuit
wW Separating heat exchanger, primary circuit
wE Flow limiter, well circuit ( (conversion kit standard delivery), remove jumper when connecting)
wR Dirt trap
wZ
Well pump (suction pump for groundwater; connect via on-site contactor with fuse protection)
wU Delivery well
wI Return well
VIESMANN
28
(cont.)
wQ
P P
wP
wE
qT
wW
qO
wI
P
2
1
VITOCAL 300-G