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ultego® III perfect
Large heat meters with threaded joint
alternative moun-
ting option
Large heat meters with flange joint
Examples of installation
Example of mounting with a ball valve
Electronic unit
The ambient temperature of the electronic unit must not exceed 55°C. Direct sunlight must
be avoided.
For heating water temperatures between 10°C and 90°C, the electronic unit can remain on
the volume measuring unit or be mounted on the wall (split mounting). On the wall or on the
volume measuring unit, the adapter plate can be oriented to make it easy to read the display.
To remove the electronic unit, push the housing upward and remove. The adapter plate for
wall mounting can now be unscrewed or the electronic unit simply rotated and pushed back
into the required position until it latches.
For heating water temperatures between 10°C and 90°C, the electronic unit must be fixed on
the wall (split mounting). For this purpose, remove the electronic unit from the adapter plate,
unscrew the adapter plate from the volume measuring unit, and screw to the wall with plugs.
Push the electronic unit on again.
A heat meter with a removable control cable may be separated during the installation. When
installation is done be sure that only paired parts (volume part, calculator) are connected
together. The control cable must not be extended!
G.83.0101
ultego® III perfect
ista International GmbH – Grugaplatz 2 – D-45131 Essen
Ball valve
(recommended up to DN25)
qp m³/h
PN bar
3.5
16
3.5
25
6
16
10
16
qp
PN
DN
m³/h
bar
3.5
25
25
6
25
25
10
25
40
15
25
50
25
25
65
40
25
80
60
16
100 360
60
25
100 360
6.1 - 230608
a
b
c
260
51
G 1 1/4 B
260
51
G 1 1/4 B
260
51
G 1 1/4 B
300
48
G 2 B
a
b
Øc
Ød
Øe No of
260
51
115
85
14
260
51
115
85
14
300
48
150
110
18
270
46
165 125
18
300
52
185 145
18
300
56
200 160
18
68
235 180
18
68
235 190
22
Welded sleeve with pocket
Example of mounting with pockets
(recommended for > DN25)
Adapterplaat
(doorsnede)
f
g
holes
4
68
18
4
68
18
4
88
18
4
102
20
8
122
22
8
138
24
8
158
24
8
158
24
Adapterplaat
(bovenaanzicht)
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