Unigas TP90A-TP91A, Руководство по установке, использованию и обслуживанию, Страница: 16 / 64

PART I: INSTALLATION MANUAL
16
Gas train connections
The diagrams show the components of the gas trai included in the delivery and which must be fitted by the installer.The diagrams are in
compliance with the current laws.
*Note: the maximum gas pressure switch can be mounted either upstream or downstream the gas valve but upstream the butterfly gas
valve (see item no.4 in the scheme above).
ATTENTION: BEFORE EXECUTING THE CONNECTIONS TO THE GAS PIPE NETWORK, BE SURE THAT THE
MANUAL CUTOFF VALVES ARE CLOSED.
Gas train - 1 - Gas train with valves group VGD 20/40 with built-in gas pressure go VPS504
gas proving system
Gas train - 4 - Gas train with valves group VGD 20/40.. with built-in gas pressure go PGCP gas
leakage pressure switch
3
1
2
5 4
6
7 8
10
4
MANUFACTURER INSTALLER
1
2
5 4
6 7
8
11
16
4
MANUFACTURER
INSTALLER
Keys
1 Burner
2 Butterfly valve
3 Gas proving system
4 Maximum gas pressure switch (option*)
5 Minimum gas pressure switch
6 Gas filter
7 Bellow joint 8 Manual cutoff valve
10 VGD Valves group
16 PGCP gas leakage pressure switch