4.5 Diagrams
Residual head available for system
BLUEHELIX TECH RRT 28 C
4.6 Wiring diagram
16
Fan
32
Heating circulating pump
34
Heating temperature sensor
42
DHW temperature probe
44
Gas valve
72
Room thermostat (not supplied)
81
Ionization/ignition electrode
95
Diverter valve
114 Water pressure switch
136 Flowmeter
138 External probe (optional)
139 Remote timer control (optional)
186 Return sensor
191 Fume temperature sensor
288 Frost protection kit
A
ON/OFF switch (configurable)
202
H [m H
O]
2
8
7
6
5
4
3
2
1
0
0
200
400
fig. 61- Residual head available for system
cod. 3541N260 - Rev. 04 - 04/2018
BLUEHELIX TECH RRT 28 C
600
800
1000
1200
l/h
1400
EN