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History of MembersPage/GolfGtiLpg
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2011-07-28 20:56:22 . . . . 3e44ba0f.adsl.enternet.hu [point to the 1-relay solution]
2011-07-28 16:30:49 . . . . 3e44ba0f.adsl.enternet.hu [note about the many relays.]
2009-05-23 08:51:33 . . . . 53d831f6.adsl.enternet.hu [brought table switching subpage]
2007-11-17 12:32:34 . . . . MembersPage/MarcellGal [pagename hints]
2007-11-10 17:26:05 . . . . dsl85-238-67-220.pool.tvnet.hu [SBal]
2007-10-19 14:12:25 . . . . 3e70cd6a.adsl.enternet.hu [1.1.29 and config hints for the 4-1]
2007-10-17 11:03:22 . . . . MembersPage/MarcellGal [tooth_wheel_twidth2 > 64 deg mod plan]
2007-10-11 15:44:13 . . . . dsl85-238-66-152.pool.tvnet.hu [SBal]
2007-10-08 13:27:11 . . . . MembersPage/MarcellGal [initial config and tables]
2007-10-08 13:25:48 . . . . MembersPage/MarcellGal [initial config and tables]
2007-10-05 19:04:00 . . . . dsl85-238-78-231.pool.tvnet.hu [New user]
2007-10-04 15:35:15 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-04 15:33:24 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 17:32:44 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 17:29:17 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 17:05:19 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 17:03:53 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 11:28:17 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 11:22:51 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 11:21:56 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 11:00:40 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 10:54:12 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 10:44:32 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 10:38:38 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 10:20:44 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 10:17:43 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 09:44:03 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 09:31:10 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 09:26:12 . . . . dsl217-197-181-187.pool.tvnet.hu [New user]
2007-10-01 09:24:27 . . . . dsl217-197-181-187.pool.tvnet.hu [MembersPage/Golf Gti Lpg/IgnItion]
2007-10-01 09:19:41 . . . . dsl217-197-181-187.pool.tvnet.hu [MembersPage/Golf Gti Lpg/IgnItion]
2007-10-01 09:17:20 . . . . dsl217-197-181-187.pool.tvnet.hu [MembersPage/Golf Gti Lpg/IgnItion]
2007-10-01 09:14:18 . . . . dsl217-197-181-187.pool.tvnet.hu [MembersPage/Golf Gti Lpg/IgnItion]
2007-10-01 09:10:15 . . . . dsl217-197-181-187.pool.tvnet.hu [MembersPage/Golf Gti Lpg]
2007-08-28 13:59:04 . . . . MembersPage/MarcellGal [reformat and hints]
2007-08-22 11:31:20 . . . . dsl217-197-181-157.pool.tvnet.hu [New user]
2007-08-21 17:50:54 . . . . 217.197.188.229 [New user]
2007-08-21 17:03:07 . . . . 217.197.188.229 [New user]
2007-08-21 17:01:16 . . . . 217.197.188.229 [New user]
2007-08-21 15:52:17 . . . . 217.197.188.229 [New user]

Changes by last author:

Added:
Wiring

http://www.vems.hu/files/GolfGtiLpg/bekotes.xls

Changed:
wiring

http://www.vems.hu/files/GolfGtiLpg/bekotes.xls

schematic

Schematic
Added:

See MembersPage/DamirMuha/LPG : for a simpler solution: switching the +12V side (either to power all the LPG or all the petrol) with a switching type relay.

Why does this solution switch the low-side with so many relays ?

* is the 4 relays to make sure the flyback path is always "complete" ? In the worst case, the following seems to also provide that:

** LPG shared+ ..... relay1 for LPG .... flyback node .... "fuelrelay" .... +12V

** petrol shared+ ... relay2 for petrol .......|

** But that might be overcautios, Damir Muha's solution is known to work on plenty of installs.

The "fuelrelay" can be same as fuelpump relay (or, if high currents justify: a relay enabled by the fuelpump relay).