Installation and operating instruction
11
Manual FlexTherm Eco
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Figure 5.1: FlexTherm Eco direct electrically heated battery
b
l
l
5.2 FlexTherm Eco E storage
5.2.1 Mains cold water and hot water supplies
The FlexTherm Eco E storage are designed for producing hot water in dwellings and are heated directly by electricity. Therefore, these heat
storage are equivalent to direct electrically heated hot water cylinders. The general requirements for designing hot water network are given in
section 4 of this document.
a. Pipe connections – All model in this range: 22mm copper.
b. Both heat exchangers must be connected and filled with water during the application, see also section 4.
c. For minimum and maximum working pressures see technical section and section 4.1.
6. Electrical wiring
6.1 Heat storage fitted with electric element
The heat storage will be supplied with a FlexTherm Eco_A2_ET internal control box.
Please contact Flamco if your application is not covered and you are not sure how to proceed.
Mains supply – Electric storage water heater
Run and connect mains power supply cable (16A, minimum 2.5mm2 CSA) from the local 2-pole isolator to the heat storage controller as
shown in figure 6.1.
• Brown (Live):
Terminal 4 and Terminal 1 (Live)
• Blue (Neutral):
Terminal 5 and Terminal 2 (Neutral)
• Green/Yellow (Earth):
Terminal 6 (Earth)
Figure 6.1: Wiring for electric storage water heater applications
16 Amp
230 V
