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When ambient temperature lower 5
running cooling mode must be charged
antifreeze. Refer to upper parameters for the charged volume.
Fouling factors
The performance data given refer to conditions with clean evaporator plates
(fouling factor=1). For different fouling factors, multiply the figures in the
performance tables by the coefficient given in the following table.
2.7.3 Anti-freezing protection
circulation pump
will run for 1 minute every 30 minutes to detect anti-freezing, to enter or exit first stage or
second stage anti-freezing when satisfy corresponding conditions.
C, enter
first stage anti-
6°C, or environment temperature > 2°C, to exit first stage anti-freezing protection.
1°C, enter second
stage anti-freezing protection, the unit is automatically turned on and run in heating mode,
anti-freezing protection.
3) When failure in inlet water temperature sensor, then detect environment temperature,
-freezing protection, circulation
pump works until environment temperature > 2°C, to exit first stage anti-freezing protection.
4) The second stage anti-freezing protection needs to detect both inlet water temperature
-freezing protection, the unit is automatically
anti-freezing protection, but do not exit first stage anti-freezing protection, only exit first stage
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