Daikin RXYQ18P7W1B [18/80] Anti corrosion treatment

Daikin RXYQ14P7W1B [18/80] Anti corrosion treatment
p. 18
Wide Application Range
Heat exchanger
An anti-corrosion heat exchanger cutaway view
Aluminium
Hydrophilic film
Corrosion-resistant
Acrylic resin
Anti Corrosion Treatment
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
Corrosion resistance rating
Non-treated Anti-corrosion treated
Salt corrosion 1 5 to 6
Acid rain 1 5 to 6
Performed tests :
VDA Wechseltest
contents of 1 cycle (7 days):
9 24 hours salt spray test SS DIN 50021
9 96 hours humidity cycle test KFW DIN 50017
9 48 hours room temperature & room humidity
testing period : 5 cycles
8
6
4
2
0
1 2 3 4 5
Cycle
Degree of corrosion
Kesternich test (SO2)
9 contents of 1 cycle (48 hours)
according to DIN50018 (0.21)
9 testing period : 40 cycles
1 2 3 4 5 6 10 20 30 40
Cycle
Degree of corrosion
10
9
8
7
6
5
4
3
2
1
0
DAIKIN P.E.
Bare
aluminium
12
1602UKEPCEN07-200-artwork.indd 181602UKEPCEN07-200-artwork.indd 18 1/8/07 07:13:521/8/07 07:13:52

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