Evac 910 - Control Mechanism Jet Functionality; Discharge Time Jet Control; Water Valve Timing Jet Control

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VACUUM TOILET
OPERATION AND MAINTENANCE
Date:
Doc.
09 Nov 2010 002032-2
5775500 CONTROL MECHANISM, EVAC 910 WALL MODELS AND FLOOR MODELS
Operation
The functioning of the vacuum toilet is entirely controlled by the control mechanism. The operation of the control
mechnism is based on vacuum in the sewage piping system.
Description of ushing sequence see document 002030-2.
Jet 1 (document 002030-2 pos. 5) controls the discharge valve opening time.
Jet 2 (document 002030-2 pos. 4) counters the effect of quick changes in the vacuum supply.
Jet 3 (document 002030-2 pos. 15) delays the vacuum changes in the chamber (14) (see document 002030-2).
This prevents a new ushing procedure to start before the previous procedure has stopped.
Maintenance
Check that the air lters (4) and (5) are not blocked.
Check hoses and pipe connections for leaks.
Toilet discharge time
Jet 1 Short discharge period Red jet 1.5 sec.
Normal discharge period Blue jet 2.0 sec.
Longer discharge period White jet 2.5 sec.
Less restriction shortens the time
Water valve opening time
Jet 6 Normal bowl water level White jet
Low bowl water level Blue jet
Push button
Filter 4
Jet 1
Jet 2
Control mechanism
Jet 6
(inside plastic cover)
Water valve
Discharge valve
Mini-check valve
Filter 5
(athmospheric air inlet for relief valve)
Jet 3
Control mechanism
Relief valve