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12
Environmental conditions
•
Installation:
Sufficient spacing (250 mm) between the computer unit and possible sour-
ces of electromagnetic interference • Do not connect to the building’s earthing • Choose
a dry, easily accessible place
•
Operation
: 5...55°C • IP 54 (computer unit and flow rate sensor) • < 93 % rel. humidity
Installation
General installation instructions
Ö
Observe the environmental conditions!
Ö
Note the cable lengths: Volume measuring section: max. 10m (use shielded cable),
Temperature sensor: standard 2 m, special version 10 m.
•
Do not carry out any welding, soldering or drilling work in the vicinity of the meter.
•
Only install meters in operational systems.
•
Protect meters against damage from impacts or vibration. When commissioning, open
the shut-off valves slowly.
•
Install the volume measuring section isolated from the power supply.
Ensure that the pipes leading to and from the volume measuring section are properly
secured and supported.
Volume measuring section / computer unit installation
•
The flow direction can be recognised from the arrows on the electronics housing.
•
Meters normally neither need a straight inlet nor a straight outlet pipework run.
!
Only install the heat meter in the section for which it is constructed - the outlet
variant in the low temperature section (outlet) and the inlet variant in the high
temperature section (inlet)
Suitable and unsuitable installation locations
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A, B: OK,
C: not OK - air accumulation in the volume measuring section.
Installation at a high point only if a bleeding option exists.
No installation at a low point!
D: Only OK in closed systems
E: not OK - directly after a restriction or a reducing component
F: not OK - too close to the suction side of a pump
G: not OK - after a bypass loop in two levels
•
Observe: Distance ≥ 50 cm between the computer unit and possible sources of
electromagnetic interference.
•
If there are several meters in one unit: Observe identical installation conditions!
When installing the volume measuring section in the shared outlet of two circuits:
Minimum distance from the junction (T-piece): 10 x DN.
Содержание ultra S3
Страница 84: ...84 16 4 4 EN 1434 Plug Play M Bus 250mm 5 55 C IP 54 93 max 10m 2m 10m...
Страница 85: ...85 11 A B OK C OK D OK E OK F OK G OK 50 cm 10 x DN 45 90 45...
Страница 86: ...86 15 C 90 C 1 2 3 Pt 500 300mm 1 2 3 O O 4 5 6 7 8...
Страница 87: ...87 1 2 3 4 5 6 ultra S3 PTB E IP 65 45 DN25 DN 40...
Страница 88: ...88 3 3 C 1 Flash RAM E 1 19 9 C 189 9 C E 3 E 4 E 5 E 6 E 7 E 8 E 9...
Страница 92: ...92 E1 M1 PT500 1 DE 07 MI004 47114711 PN PS qp m3 h qi qp 1 50 CE M qp m3 h DN15 qs m3 h Q K Q Qq C...
Страница 94: ...94 16 4 4 1434 Plug Play M Bus RS 232 RS 485 250 5 55 C IP 54 93 10 2 10...
Страница 95: ...95 11 A B C D E F G 50 10 45 90 45...
Страница 96: ...96 15 C 90 C 1 2 3 Pt 500 300 1 2 3 4 5 6 7 8...
Страница 97: ...97 1 2 3 4 5 6 ultra S3 IP 65 45 25 40...
Страница 98: ...98 3 3 C 1 RAM flash E 1 19 9 189 9 C E 3 E 4 E 5 E 6 E 7 E 8 E 9...
Страница 102: ...102 E1 M1 PT500 1 DE 07 MI004 47114711 PN PS qi 3 qi qp 1 50 CE M qp 3 DN15 qs 3 Q K Q Qq C...
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