Getinge MP-129 Series - Theory of Operation

MP-129 Series Water-Saver
350545 1–5
THEORY OF OPERATION
MP-129 Water-Saver Water-saver Pressure Switch 1PS determines whether the water-saver or
the standard ejector in the sterilizer provides the vacuum. While the
pressure in the sterilizer chamber is above 1 PSIG, Pressure Switch 1PS
selects the standard ejector. But when the sterilizer chamber pressure drops
to 1 PSIG or lower, Pressure Switch 1PS instead turns on the recirculating
pump to activate the ejector in the water-saver system.
Figure 1–3. MP-129 WATER-SAVER SYSTEM
Ejector
Pump
1SV
Manual
Drain
Valve
Copper
Tubing
1S
Exhau
st
from Sterilizer
Check
Valve
Cold Water
Temperature
Switch
Customer Pipin
g
El
ec
tri
c
a
l
115 VAC
I/F Box
47A
350545-AD
Water to Ejector
6SV
Pressure Switch
1PS
Water Saver ON
20SV
Water to Ejector
Output from Sterilizer
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