Siare SIARETRON 1000 Service Manual page 23

SIARETRON 1000 – 1100 - 3000
Service Manual
E.V.P. calibration: by pressing the ALARM RESET keys it is possible to verify the control signals of
proportional electrovalves (here below referred as e.v.p.). On MINUTE VOLUME displays appear
message E.Pr, on O 2 CONC and RATE displays respectively appear messages O2 and Ai, on SIMV
RATE and % INSP displays the status of e.v.p. relevant to the gas indicate by the upper script ( -- for
closed e.v.p., On for open e.v.p.). Connect two proportional electro valves from 6V 1.2W to the CN10
connector (O 2 between the clamps 1 (+) and 2 (-), AIR between the clamps 3 (+) and 4 (-)).
Connect the multimeter to the ends of O
•
appears on SIMV RATE display); regulate the TR5 trimmer (point H of mounting plan) until
reading an electric power of 6V ± 0,1 V.
Press the SIMV RATE
•
electric power at the ends of e.v.p. is of 1,5 V ± 0,2 V.
Connect the multimeter to the ends of AIR e.v.p.; press the % INSP
•
appears on % INSP display); regulate the TR6 trimmer (point I of mounting plan) until reading
an electric power of 6 V ± 0,1 V.
Press the % INSP
•
power at the ends of e.v.p. is of 1,5 V ± 0,2 V.
If the testing result is positive, apply on both boards a green label indicating the board identification
number, the date and the tester technician signature.
SIARETRON_SE3_en
e.v.p.; press the SIMV RATE
2
key (message – appears on the SIMV RATE display); verify that the
key (message – appears on the % INSP display); verify that the electric
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button (message On
key (message On
( rev.3) 30.06.2004