BLUEHELIX TECH RRT 24 H
161
EN
cod. 3541C661 - Rev. 00 - 10/2018
Antifreeze kit for outdoor installation (optional)
In case of installation outside in a place partially protected for temperatures below -5°C and down to -15°C, the boiler
must be fitted with the special antifreeze kit. For proper installation, please refer to the instructions in the kit.
Connection to a storage tank for domestic hot water production
The unit's electronic card is arranged for managing an external storage tank for domestic hot water production. Make
the plumbing connections according to the diagram of fig. 19. Make the electrical connections as shown on the wiring
diagram in fig. 57. It is necessary to use the kit code 1KWMA11W. At the next lighting, the boiler control system detects
the hot water tank probe and automatically configures the DHW function, activating the display and relevant controls.
fig. 19- Diagram of connection to external hot water tank
8
Domestic hot water outlet
9
Cold water inlet
10
System delivery - Ø 3/4”
11
System return - Ø 3/4”
95
Diverter valve
209
Hot water tank delivery - Ø 3/4”
210
Hot water tank return - Ø 3/4”
8
9
10
11
14
186
34
56
36
193
32
74
95
241
114
209
210