EUQA Humidifier, for circulated water
Fläkt Woods
3176 GB 05.08
3
Specifications are subject to alteration without notice
EU Air Handling Unit
MAINTENANCE
Table 2. Presetting the time relay
Time relay TR1 has been preset for
normal operation. If the time
required for emptying has to be
increased due to humidification
over a long period, this can be
done as follows:
1. Select Function 12
2. Select the Range
3. Select Time
– If Range has red digits, Time
shows tenths of Range
– If Range has black digits,
Time shows thirtieths of
Range.
Example: To set a time of 240 sec.
– Select a Range of 300
sec. (black digits)
– Select a Time of 24
(black digits)
Range
Time
ETR4–69–A
Function
1s
1.5 .5
12
M
A1~+
15
B1
A2~-
18
16
Rel
Power
TR1
Fig. 6
Table 3. Presetting time relay TR1
Seconds
Range
Time
0
1 s
0
10
10 s
10 red
20
30 s
20 black
30
30 s
30 black
40 100
s
4
red
50
100 s
5 red
60
100 s
6 red
70
100 s
7 red
80
100 s
8 red
90
100 s
9 red
100
100 s
10 red
120
300 s
12 black
180
300 s
18 black
240
300 s
24 black
300
300 s
30 black
Q1
K1
R1
NR3
NR2
NR1
TR1
Fig. 7
Components inside the control box
Time required for emptying
Normal operation
High humidification
Size
preset value
over a long period
∆
x >8 gram
∆
x >5 gram
90%
60%
90%
60%
20
0
0
0
0
21
10
0
20
0
22
20
0
30
10
30
10
0
20
0
31
10
0
20
0
32
20
0
40
10
33
30
0
60
20
40
30
0
90
20
41
30
0
80
20
42
50
0
100
30
44
60
0
120
40
50
40
0
80
30
51
70
0
120
50
52
55
0
55
20
53
60
0
60
20
60
30
0
30
0
62
60
0
90
0
64
60
30
240
120
71
60
30
180
90
73
90
60
240
120
80
90
60
180
120
82
90
60
240
120
84
120
60
300
120
