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Page 14 of 20 804052 - CS Residential- Installation Instructions - Sept 2016 - v3.01
Section 4
Undersink Unit Installation
John Guest fittings (Insertion and removal)
Be careful when cutting the poly tube so that there are no rough edges and that the tube is not distorted.
1.
Use a sharp knife to ensure the tube has a clean, straight edge. Do not cut at an angle.
2.
Remove any swarf or unwanted material.
3.
Push the tube into the John Guest fitting making sure all connections to the John Guest fittings
are pushed in past the “O”ring to full depth, at least 15-16mm.
4.
Check for a good joint by pulling back on the tube. If the tube comes out, of the fitting, repeat the
above step.
5.
To remove the tube, press the collet into the fitting and at the same time pull back on the tube.
4.1 Hose and tube fitting. (Do not overtighten)
•
Remove all caps from the top of the undersink unit
•
Fit the foam insulation to the Blue and to the White tubes after trimming them to length
•
Install the mains water braided hoses to the undersink unit before locating the unit in place.
4.2
Connect the gas hose:
Connect the braided gas hose to the top of the underbench unit via the John Guest fitting marked ‘Gas IN’ .
When commissioning, turn the gas ON by rotating the valve on top of the cylinder, anti-clockwise. Then adjust
the outlet pressure, by rotating the regulator knob in a clockwise direction, to between 2.7- 3.0 bar (green
zone)
NOTE:
The arrow should sit in the green zone of the regulator gauge; it should not fall in the red or yellow
sections.
Installation
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