technical specification
| Part No. |
Model |
No. of
3kw
Elements
2kw |
|
|
|
|
| RrFB006 |
6kW |
2 |
|
220v
22.92 A
5.04 KW |
230v
23.96 A
5.51 KW |
240v
25.00 A
6.00 KW |
| RFB009 |
9KW |
3 |
|
220v
34.38 A
7.56 KW |
230v
35.94 A
8.27 KW |
240v
37.50 A
9.00 KW |
| RFB011 |
11KW |
3 |
1 |
220v
42.01 A
9.24KW |
230v
43.92 A
10.10 KW |
240v
45.83 A
11.00 KW |
| RFB012 |
12KW |
4 |
|
220v
45.83 A
10.08 KW |
230v
47.92 A
11.02 KW |
240v
50.00 A
12.00 KW |
| Part No |
Model |
Current@240v
Drawn |
Suggested
MCB Rating |
| FB006 |
6kW |
25.00 |
30 |
| FB009 |
9kW |
37.50 |
45 |
| FB011 |
11kW |
45.83 |
|
| FB012 |
12kW |
50.00 |
63 |
Output Temperature Control Range: 65°C to 80°C.
Operating voltage 200V - 245V 50Hz
Pump supply fuse (internal) T 2A 240v - 20x5mm.
'DEMAND' control input signal requires 200v - 245v 50Hz
'DEMAND' control input signal draws less than 0.25. 10mA typical.
Optical isolation between the control signals and the unit supply.
High limit switches trip @ 90°C +/- 4°C
Running Costs
There are a number of off-peak electricity tariffs available which provide a lower cost for electricity used specifically for heating and hot water.
The two most common tariffs are Economy 7 and Economy 10.
Economy 7
Two rate meter installed in property
Economy 7 is an electricity tariff with different pricing structures according to the time of day. The energy you use during the night costs less,
per unit, than energy used during the day with Economy 7.
Obviously with Economy 7 you'll use more energy during the night than the day, so you will save money. Hhowever, you need to be using roughly 20%
of your energy consumption at night to be making a saving. Aand when they say night, they really mean night - the cheaper tariff usually starts around
1am and finishes around 8am (this can vary by supplier and region).
Another important factor to take into consideration with Economy 7 is that is that, although you can heat your water and storage heater continually
throughout the night, this may be insufficient to last you through the day. The morning is generally nice and warm, with enough hot water for a bath or
shower, but as you reach the evening your house will probably start growing colder.
Economy 10*
One meter installed in each property
Economy 10 Tariffs (sometimes referred to as "warmwise") consist of 10 hours off off-peak electricity, which suppliers charge at a discounted
rate. Like Economy 7, this tariff best suits households with storage heaters. Iif you are on Economy 7 and you are running out of hot water or if your
storage heaters are cooling off by the evening then Economy 10 could be a good tariff for you.
To be on an Economy 10 tariff you must have an Economy 10 meter. These differ from standard meters as they have additional capability, which enables
them to measure the consumption of electricity between the set Economy 10 hours specified by the supplier.
Almost any home can have an Economy 10 meter fitted if desired. Be aware that there may be a charge for installing the meter. To enquire about this
please contact your local electricity distribution company.
The structure of the 10 off peak hours is as follows;
- 3 hours in the afternoon
- 2 hours in the evening
- 5 hours over night
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