Atest Gaz Alpa MOD LED8, User Manual

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2 Closed loop configuration
Cross-section of
a single cable
conductor
[mm 2 ]
Alpa EcoWent XT Gas Detector
System without backup battery supply
(U
IN
= 24 V)
System with backup battery supply
(U
IN(min)
= 20 V)
L1 [m] L2 [m] Quantity of detectors L1 [m] L2 [m] Quantity of detectors
0,75 57 807 26 50 680 22
89 809 25 83 683 21
123 813 24 118 688 20
160 820 23 153 693 19
198 828 22 194 704 18
237 837 21 237 717 17
1 63 933 30 67 787 25
96 936 29 101 791 24
130 940 28 136 796 23
164 944 27 172 802 22
202 952 26 212 812 21
1,5 50 1130 36 55 955 31
82 1132 35 87 957 30
115 1135 34 120 960 29
149 1139 33 155 965 28
184 1144 32 192 972 27
220 1150 31 230 980 26
2,5 47 1877 62 56 1616 53
78 1878 61 87 1617 52
110 1880 60 119 1619 51
142 1882 59 152 1622 50
174 1884 58 185 1625 49
Table 4: Maximum quantity Alpa EcoWent XT – closed loop configuration
Atest-Gaz A. M. Pachole sp. j.
ul. Spokojna 3, 44-109 Gliwice, Poland
VAT No.: PL 9691433231
tel.: +48 32 238 87 94
fax: +48 32 234 92 71
e-mail: contact@atestgaz.pl
p. 4/7 Appendix: PU-Z-098-ENG R04
•
Figure 4: Closed loop configuration for Alpa EcoWent XT detectors
Control
unit
Detectors installed 30 m apart
Length L2 [m]
Lenght L1 [m]
Alpa
EcoWent XT
Alpa
EcoWent XT
Alpa
EcoWent XT