7 ā 26 Aquarea air/water heat pump ā Installation manual for compact systems 03 / 2013
Electrical installation
Inputs and outputs (external interfaces)
7.2 Inputs and outputs
(external interfaces)
CLOSE
OPEN
N
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21
22 23
CLOSE
OPEN
CLOSE
OPEN
N
COOL
3-way directional valve
Electric immersion heater for hot-water tank
Room thermostat
Temperature limit switch for hot-water tank
Ext. control signal
Temperature sensor for hot-water tank
Solar pump station
2-way directional valve
Solar 3-way directional valve
HEAT
N
L
N