Lung Governed Demand Valves - MSA M1 Modular SCBA System Cleaning And Disinfection Manual

4 Disinfection
4.3.2

Lung Governed Demand Valves

WARNING!
• Follow the instructions in the operating manual and the safety data sheet for the cleaning and disinfection
detergent used.
• When dosage equipment is used follow the correct adjustment of the dosage systems according to the
chemistry manufacturer.
• Follow the instructions in the operating manual of the MEIKO TopClean M cleaning and/or disinfection device.
• Follow the instructions in the operating manual of the lung governed demand valves.
Failure to follow these warnings can result in serious personal injury or death.
The lung governed demand valves of MSA listed below can be cleaned and disinfected in the cleaning and
disinfection device TopClean M of MEIKO Maschinenbau GmbH & Co. KG using the liquid cleaning and disinfection
detergent(s) hereafter referred to as detergent(s):
®
• EW80 mat (1% concentration)
• Diversey Oxivir Excel detergent (2% concentration)
• Dr. Weigert Neoform K Plus (1% concentration)
The lung governed demand valves must be supplied with compressed air (breathing air quality) during the whole
washing sequence. Pressure range 3 to 8 bar.
Positive pressure series of LGDV
Before connecting the device to medium pressure, in order to prevent accidental air delivery, push the red operating
button to switch off the lung governed demand valve (according to the operating manual of the lung governed
demand valve).
Disinfection
Necessary Concentration of Detergent
According to the requirements of the chemistry manufacturer the following concentration will be automatically dosed:
®
• For "EW80 mat": Solution less than 1% with the liquid cleaning and disinfection detergents does NOT fulfill
the disinfection requirements!
• Application time 5 minutes at 60 °C for every cleaning and disinfecting stage of the washing program in the
MEIKO TopClean M.
The dosage is carried out automatically, electronically steered and monitored. The cleaning and disinfection device
MEIKO TopClean M generates an error message as soon as a shortage of the disinfection detergent occurs. As long
as no disinfection detergent will be detected by the level indicator, no washing program can be started.
Cleaning and Disinfecting with MEIKO TopClean M
The cleaning and disinfection of the lung governed demand valves is carried out in washing program 3 with
12 minutes run-time at 60 °C and an application time of 5 minutes.
1. Disassemble diaphragm (according to the operating manual of the lung governed demand valve).
2. Position lung governed demand valves and disassembled parts in the lung governed demand valve cage,
which was designed for this purpose, and connect these to the compressed air couplings of the cage
(according to the operating manual of the cleaning and disinfection device).
3. Insert cage, connect compressed air supply of the cage to the compressed air supply of the
MEIKO TopClean M and close door of the chamber.
22 GB