REMKO RVS 130 DC, Инструкции по эксплуатации и монтажу

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Anti-freeze protection
The anti-freeze protection is based primarily on 3 parameters:
ID Designation Factory setting
C01 Anti-freeze protection temperature 4 °C
C02 Anti-freeze protection low pressure 0 bar
C03 Anti-freeze protection temperature difference 2 °C
Cooling mode:
If the water outlet temperature (U02) is less than or equal to the anti-freeze protection temperature (C01)
or if the suction pressure (U07) is less than the anti-freeze protection low pressure (C02) for 10 seconds,
the system switches to anti-freeze protection.
Heating mode:
If the water outlet temperature (U02) is less than the water inlet temperature (U01) -2°C or less than the anti-
freeze protection temperature (C01), the system switches to anti-freeze protection.
In both cases, the system only carries on with normal operation once the water outlet temperature rises
by the anti-freeze protection temperature difference or the suction pressure is higher than the anti-freeze
protection low pressure parameter.
The anti-freeze protection temperature is set to 4°C at the factory.
If glycol is used, it is possible to change the parameters to operate at lower temperatures, depending
on the glycol concentration. The table below can be helpful for this.
Adjustment is only possible after password input. For this purpose, please contact REMKO.
The product and safety data
sheets of the glycol type used
must be observed during use
and disposal.
Glycol
content
Anti-freeze
protection
+-2°C
Correction factors when using a mixture of glycol* and
water
Cooling
capacity
Power
consumption
Medium flow
rate
Pressure
loss
Vol. % °C K
L
K
PE
K
V
K
D
0 0 1 1 1 1
20 -9 0.960 0.995 1.040 1.19
35 -21 0.950 0.990 1.090 1.35
40 -26 0.925 0.985 1.105 1.51
Use the required type
and mix ratio appropriate for
the application area to ensure
the freezing point.
*
We recommend using an ethylene glycol mixture. Observe the safety and product data sheets
for the type of glycol used.
!
CAUTION
!
CAUTION
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