Dantherm HCV 3 Installation And Service Manual page 56

Set points and control strategies,
Frost protection,
continued
54
3) Recommendation
To secure a balanced air flow with out intentional shut-down, Dantherm Air Handling
A/S recommends installing pre-heat in areas where temperatures during longer peri-
ods of time is below ÷6 °C.
In areas where temperatures constantly are below ÷13 °C, installing pre-heat is a
must to secure optimal operation.
continued