reflex ’variomat’
Initial start-up
16
The start routine commences when the controller is switched on for the first time. Its
purpose is to set the parameters required for operation of the ’variomat’ unit. If you enter
an incorrect value, you can restart the routine by pressing the “quit” button.
Caution:
The start routine can only be run through once; any subsequent parameter
modifications have to be performed in the customer menu (
→
p. 21).
The start routine of the ’variomat’ is automatically
called up when the controller is switched on for the
first time.
Press “ok” to get to the language selection:
Select the language using the country code, for
instance “GB” for the English language, and confirm
with “ok”.
A message to read these operating instructions
appears. Confirm with “ok”.
Set the minimum operating pressure
p
0 according
to the static height of your system (refer also to the
diagram below) and confirm with “ok”.
We recommend that you have the following steps and training of the operating personnel carried out by your Reflex
Service (
→
p. 31, chargeable service according to the applicable gross price list).
– The VG and VF vessels have been installed and the ’variomat’ control unit assembled.
– The water connection to the system has been established.
– The connection system must be at least roughly bled.
–
The vessel(s) must not be filled with water.
– The system has been connected to the electrical mains system according to the applicable VDE and local electricity
board regulations.
variomat
Country: GB
D GB F NL PL
Read operating
instructions!
Min.oper.press.
P0 = 1.5 bar
ok
ok
ok
ok
*
Error message if pressure
is exceeded or fallen
below; with ’variomat 2’,
the mechanical overflow
valve also closes if p
0
is
fallen below
The value set for the minimum
operating pressure p
0
may not
drop below 1.3 bar, hydraulic
balancing is otherwise
not guaranteed and stable
degassing operation is not
possible.
p
0
≥
1.3 bar
p
SV
p
0
H, p
st
Prerequisites for start-up
Start routine
*
p
SV
[bar] = Safety valve response pressure at the heat generator
p
max
[bar]
≥
0.5 bar
p
e
[bar] = Final pressure = overflow device OPEN
0.3 bar
p
a
[bar] = Initial pressure pump ON
0.4 bar
p
0
[bar] = p
static
+ p
evaporation
+ 0.2 bar
(recommended)
≥
0.3 bar
0...0.2 bar
p
st
[bar] = Static pressure (= static height / 10)
*
