Valve; Explanation Of Symbols - Bosch Compress 3400i AWS Installation Manual

11.3.6 Explanation of symbols

Symbol Description
Pipework/cables
Flow - heating/solar
Return - heating/solar
Brine flow
Mixing valves/valves/temperature sensors/pumps

Valve

Revision bypass
Flow regulating valve
Overcurrent valve
Filter shut-off valve
Cap valve
Valve, motorized
M
Valve, thermal
T
Shut-off valve, magnetically
controlled
Miscellaneous
Thermometer
T
Pressure gauge
Filling/draining
Water filter
Heat meter
000
∏
J
DHW outlet
Relay
R
Immersion heater
Table 13 Hydraulic symbols
Compress 3400i AWS – 6721852066 (2023/01)
Symbol Description
Brine circuit out
Potable water
Hot water
Differential pressure regulator
Water pressure relief valve
Safety assembly
3-way mixing valve
M
(mixing/distribution)
DHW mixer,
T
thermostatic
3-way mixing valve
M
(changeover)
I 3-way mixing valve (change over,
de-energised when closed to II)
M II
III
3-way mixing valve (change over,
AB
de-energised when closed to A)
A
M
B
4-way mixing valve
M
Drain outlet with siphon
System separation according to
EN1717
Expansion vessel with
cap valve
Magnetite separator
Air separator
Automatic air vent valve
Expansion joint
Technical information
Symbol Description
DHW circulation
Electrical Wiring
Electrical wiring with break
Pump
Non-return valve
Temperature sensor / switch
High limit safetycut-out
Flue gas temperature sensor/
switch
Flue gas temperature limiter
Outdoor ambient temperature
sensor
Wireless outside
temperaturesensor
...wireless...
Low loss header with sensor
heat exchanger
Volumetric flow ratemeasuring
device
Water sink
Heat. circ.
Underfloor heating circuit
Low-loss header
33