Electrical installation
Inputs and outputs (external interfaces)
7.2 Inputs and outputs
(external interfaces)
7 – 26
OPEN
CLOSE
N
HEAT
COOL
N
L
N
OPEN
CLOSE
N
OPEN
CLOSE
Aquarea air/water heat pump – Installation manual for compact systems 03 / 2013
Solar pump station
Solar 3-way directional valve
Ext. control signal
Temperature sensor for hot-water tank
Temperature limit switch for hot-water tank
Room thermostat
Electric immersion heater for hot-water tank
3-way directional valve
2-way directional valve