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6
Main features
6-3
High reliability
1
6-3-1
Nr. 1 anti-corrosion treatment
6
•
Special anti corrosion treatment of the heat exchanger provides 5 to 6 times greater resistance against acid rain and salt corrosion. The provision of
rust proof steel sheet on the underside of the unit gives additional protection.
Improvement in corrosion resistance
Salt corrosion
Acid rain
Performed tests
contents of 1 cycle (7 days):
•
24 hours salt spray test SS DIN 50021
•
96 hours humidity cycle test KFW DIN 50017
•
48 hours room temperature & room humidity
testing period : 5 cycles
contents of 1 cycle (48 hours):
according to DIN50018 (0.21)
testing period : 40 cycles
6-3-2
Double back-up function
In the event of a compressor malfunction, the remotely controlled or field set back-up function in the outdoor unit in question (and also between
different outdoor units) will allow emergency operation of another compressor in order to maintain 8 hour maximum interim capacity
16
• Introduction
Corrosion resistance rating
Heat exchanger
2 Kesternich test (SO2)
10
9
8
7
6
5
4
3
2
1
0
1
2
3
•
Systems • Introduction
Non-treated
1
1
1 VDA Wechseltest
8
6
4
2
0
1
2
4
5
6
10
Cycle
Anti-corrosion treated
5 to 6
5 to 6
An anti-corrosion heat exchanger cutaway view
Hydrophilic film
Aluminium
Corrosion-resistant Acrylic resin
3
4
5
Cycle
20
30
40
Bare aluminium
Daikin P.E.
Bare aluminium
Daikin P.E.
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