4
3. Construction
The housing of the valve box contains up to 6 shut-off valves, analog pressure converters 0-5V,
emergency supply point type NIST and gas alarm unit with LCD display mounted on the doors.
4. Installation
Wall mounting of the housing – the doors should be disassembled prior to the assembly.
Connection of copper pipes to the main system.
Before start-up of the installation the doors should be assembled again.
Supply the 12V DC voltage to a box.
Connect „+” and „-” poles to marked pins.
!!! Attention !!!
Mounting must be performed ONLY by qualified technicians experienced in servicing
medical equipment.
Read manual before mounting valve box.
!!! Attention !!!
Polarity of the connection is very important, any mistake causes a damage of the electronic
system
!!! Attention !!!
Before performing a leak test vacoumeter should be removed.
Perform leak test of pipeline system in accordance with the EN ISO 7396-1;
5. Operation
5.1 First start-up
1.
Before start-up make sure all tests in accordance with EN ISO 7396-1 finished successfully.
2.
Slowly open each valves in box;
3.
Make sure that pressures in manometers are as determined by project;
4.
Connect power supply;
5.
Make sure that alarm unit shows correct informations (gas type and pressure);
6.
Device is ready to use.
In order to use shut-off valves, the doors must be opened.
The box may also be opened without a key in case of an emergency. This is done by pushing the lock
with the plastic mounting into the box. Upon completion of the necessary steps, the plastic mounting
fixing the lock should be replaced and put back in the door. Close the door with a key.
