Symbols

A collection of symbols from building automation visualizations. May vary by manufacturer.

These symbols are also used in the HVACV Visu Library.

HVAC/MSR symbols

Symbol	German	English
	Fan (off/fault/on) e.g. ventilation system	fan (off/error/on) e.g. air handling unit
	Pump (off/fault/on)	pump (off/error/on)
	2-way valve with actuator, shut-off damper, passage valve	2-way valve with motor
	3-way valve/mixer with actuator	3-way valve with motor
	Filter (clean/dirty) e.g. in ventilation systems	air filter (normal/pollution) e.g. in air handling untis
	Fire damper (normally open/closed) with motor	fire dampter (normal open/closed) with motor
	Fire damper (normally open/closed)	fire dampter (normal open/closed)
	Air damper with motor	air damper with motor
	Volumetric flow controller (VVR/VVS)	variable air volume box (VAV)
	Storage/buffer for heating or cooling	tank for cooling or heating
	Rotary heat exchanger with motor in ventilation systems (two representations)	rotary heat exchanger in air handling untis (two representations)
	Crossflow exchanger (in heating or ventilation technology)	cross flow exchanger (in heating or air handling systems)
	Heating coil/heater in ventilation systems. Water or direct expansion heat pump.	heater in air handling units
	Electric heating coil/heater in ventilation systems	electrical heater in air handling units
	Cooling coil/cooler in ventilation systems. Water or direct expansion heat pump.	cooler in air handling units
	Combined heating-cooling coil switchable on water side or direct expansion heat pump with heating/cooling function	combination cooler/heater or heat pump
	Steam humidifier or spray humidifier in ventilation systems	vapor humidifier in air handling units