EcoSolar Energy Conscious Design Limited
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1.
With the screen displaying the sensor T1 temperature, use the right hand arrow to
scroll through, 4 presses of right hand arrow, from the T1 screen, until the words ENTER
Par
are shown on the screen.
2.
Now press the down arrow, to enter and start programming the parameters,
CODE32 appears on the screen, if 32 isn’t shown press the down arrow, now the right hand
arrow to change the number to 32, then press the up arrow to select the code number.
3.
With CODE32 on the screen and not blinking, if it is blinking press the up arrow,
press the right hand arrow and the screen displays the software version i.e. VR 5.2. Now
press the right hand arrow once, the screen shows PR 0
Par
PROG
. This is programme 0 as
described in the instruction booklet, this is the correct programme for two sensor solar hot
water installations, if three sensors are installed programme 1 needs to be selected as follows.
With PR 0
Par
PROG
showing on the screen press the down arrow, PR 0 blinks, now press the
right hand arrow until PR 1 shows, now press the up arrow to select it.
4.
If you have programmed PR 1
Par
PROG
skip Step Numbers Four and Five, else continue.
Now press the right hand arrow and max
75
o
C shows on the display, this is the temperature
at low level in the cylinder that the pump will be stopped at to prevent the water in the
cylinder being heated to a higher temperature. If the cylinder is copper, can sustain high
temperatures, and a tempering valve is installed, this temperature may be increased to 90
o
C.
You can change this temperature by pressing the down arrow, the temperature will blink,
now press the left and right arrows to change the temperature, now press the up arrow to
select the temperature. The max
temperature is always greater than max
temperature. If
when reducing the max
temperature it will not reduce any further, it is probably because the
max
temperature as described below in Step Number Five needs to be reduced first.
Therefore go to Step Number Five then come back to Step Number Four before
proceeding further.
5.
Now press the right hand arrow, max
70
o
C is displayed on the screen. This
temperature needs to be changed to being 5
o
C less than the temperature selected in Step
Number Four above, in the case of the example above, this temperature needs to be
changed to 90 – 5
o
C i.e. 85
o
C. This is done by pressing the down arrow, the temperature
blinks, now use the left and right hand arrows to change the temperature and press the up
arrow to select the required temperature. Now go to Step Number Ten.
If you have programmed PR 1 in Step Number Three, you have done so to limit the
temperature in the cylinder to below a preset temperature. The following terms are used,
max
is the temperature at low level in the cylinder at which the heating turns off. max
is the
temperature at low level in the cylinder at which the heating turns on again. The low level
temperatures should be set at between approximately 5
o
C lower than those at the top of the
cylinder, these values will need to be commissioned on a case by case basis depending upon
the height of the cylinder. max
2 is the temperature at high level in the cylinder at which the
heating turns off. max
2 is the temperature at high level in the cylinder at which the heating
turns on again. The max
2 and max
2 temperatures shall be the maximum operating