8.7.2 Connection drawing of pipeline
Stop valve Pressure gauge Gate valve
Flexible joint
Y-shaped filter Thermometer Circulating pump Check valve
Automatic discharge valve
Symbol explanation
Fig.8-23 connection drawing of pipeline system
Main unit
Expansion tank
Water replenishing
Dirt discharge valve
Differential pressure by-pass valve
Drain valve
Two-way valve
Three-way valve
Terminal
Auxiliary electric heater
unit
unit
Y-type filter,
requiring≥ 16 mesh
This is the water system of standard module, which pump is not provided.
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