71
Fig. 51
C
Flow temperature sensor, primary circuit (heat
pump brine inlet)
D
Low pressure Schrader valve
E
High pressure Schrader valve
F
Instantaneous heating water heater (accessories)
G
Primary pump (accessory for type BW 301.B)
I
Electronic expansion valve
J
Compressor
K
Secondary circuit flow temperature sensor
O
Secondary pump (accessory for type BW 301.B)
P
Air vent valve, secondary side
Q
Low pressure sensor
R
Suction gas temperature sensor
S
Safety high pressure switch
T
High pressure sensor
U
Filter dryer
V
Return temperature sensor, primary circuit (heat
pump brine outlet)
W
Drain valve, primary side
X
Hot gas temperature sensor
Y
Air vent valve, primary side
Draining the heat pump on the primary/secondary side
1.
Shut off the connection to the heating network.
2.
Drain the heat pump at the drain valve on the pri-
mary/secondary side: See page 70.
Checking the sensors
For sensor connections to the controller and sensor
PCB: See page 28.
For the position of the sensors in the heat pump: See
diagram on page 70.
Maintenance
Overview of internal components
(cont.)
5516461
Maintenance
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...
