Maintenance instructions
Page
79
of 82
System type
Water monitoring system
MI6200-0008
Task:
Pressure reduction valve & safety valve replacement
Task description:
This instruction identifies the location of the safety valve & the pressure
reduction valve and describes how to replace them. The safety valve and
pressure reduction valve may only be replaced by a trained technician.
Difficulty 1-5
Overhaul interval
Estimated time consumption
As necessary
10 min.
Spare Parts
Tools
Part no:
Description:
Item:
02703
Pressure reduction valve
1 x 5mm Allen Key
02687
Safety valve
Procedure
1. Turn OFF the WMS by turning the MAIN SWITCH on the right side
of cabinet to "O" position.
2. Close the INLET VALVE and OUTLET VALVE.
Note
: In case of
motor valve, turn the handle on the bottom of the motor valve to
enable manual open/close the valve.
3. Open the DRAIN VALVE.
4. Loosen the pH sensor and observe the water draining out of the
cabinet. Tighten the pH sensor after draining is complete.
5. Unscrew all the fittings connecting the valve(s) to the system
(A)
.
6. Unscrew all the bolts holding the valve(s) in place
(A)
.
7. Remove the old valve(s) and replace with the new valve(s) of the
same type. Observe arrow indicating flow direction.
8. Reassemble in reverse order.
9. Adjust the new valve(s) to the correct pressure. See MI6200-0009
Photos
MI6200-0008
