74
?
Flow temperature sensor, secon-
dary circuit
%
Cylinder temperature sensor
%
A
Return temperature sensor, solar
circuit
aS
Flow temperature sensor, pri-
mary circuit (heat pump brine
inlet)
aJ
Return temperature sensor, sec-
ondary circuit
sG
Secondary pump
sH
Primary pump
kK
Compressor
lJ
3-way diverter valve for "Heating/
DHW"
aYH
Connection at terminals:
1, 2 Klixon hot gas
3, 4 Low pressure switch
5, 6 Safety high pressure switch
a:D
C Cylinder primary pump
A
Primary circuit air vent valve
B
Condenser drain valve
C
Schrader high pressure valve
D
Primary pump drain valve
F
Drain valve on the secondary
side
G
Instantaneous heating water
heater
H
Schrader low pressure valve
K
Drain & fill valve, DHW cylinder
M
Non-return valve
Troubleshooting
Repairs
(cont.)
5601 598 GB
Summary of Contents for BWT 241.A Series
Page 20: ...20 aCH 11 10 193C SLP N 224 6 9 Installation sequence Siting the heat pump cont 5601 598 GB...
Page 22: ...22 4x 4x 6x 2x 22 19 21 20 Installation sequence Siting the heat pump cont 5601 598 GB...
Page 23: ...23 4x 23 2x 26 25 24 Installation sequence Siting the heat pump cont 5601 598 GB Installation...
Page 27: ...27 C D BB Installation sequence Siting the heat pump cont 5601 598 GB Installation...
Page 71: ...71 Opening programming unit 2 2x 1 3 Troubleshooting Repairs cont 5601 598 GB Service...
Page 123: ...123 5601 598 GB...