Page 12 of 32 802742UK - G4 IS IT industrial installation instructions - Jan 2016 - V2.03
Industrial HydroTap
®
G4 - tap installation
Side touch (tapered base) taps
• Make sure the tap location will allow the nozzle to drain into
the sink. Note The top touch tap spout is 20mm shorter
than the side touch spout.
• For side touch taps, use the template supplied to correctly
locate the Ø35mm hole in the sink / worktop. After cutting
the Ø35mm hole, carefully align the template and drill the
3 x Ø6.5mm clearance holes, in the correct orientation
for either left or right hand operation. Refer to table of
recommended maximum and minimum thickness of
worktop, based on the length of the cap screws being used.
• A light smear of silicon sealant on the O-ring seal (side
touch), or on the black plastic spacer (top touch) will ensure
a watertight fit.
• Place the tap (and if applicable tapered base assembly)
into the Ø35mm hole so that all the seals are in place and
ensure the tubes and USB cable are not fouled.
Side touch taps (see diagram 1.1)
• Working from the underside of the bench, install the clamp
block (noting the position of the orientation marker). Feed
the three tubes and USB cable through each of their
respective holes. Slide the clamp block up and secure with
the M6 long series nut on the threaded rod.
• Fit the 3 x M6 cap screws and spring washers,through the
clamp block and bolt them into the tapered base. Check the
tap head position before securing it tightly against the work
top.
Top touch taps (see diagram 1.2)
• Install the stainless steel washer and spider, and secure
with the M6 nut as shown.
Note The tap assembly must not be positioned more than
900mm above the base of the Command-Centre
TM
. Failure to
do this may result in poor water delivery.
Note Under no circumstances should the top touch tap be
twisted after the installation is complete.
Note The M6 x 35 cap screws supplied with the side touch
tap are suitable for installation on worktops with a thickness
between 14 and 18mm. For worktops outside this range with a
thickness ‘T’, M6 cap screws with a length between 'T'+17 and
'T'+22mm should be used, as per the table below.
Cap screw 'T' Max. 'T' Min. Remark
M6 x 35 18mm 14mm Supplied with tap
M6 x 30 13mm 8mm Not supplied
M6 x 40 24mm 19mm Not supplied
Table of recommended max. and min. thickness (T) of worktop
All thread
rod
Clamp
block
M6
nut
Long series
M6 nut
Long series
M6 nut
Spring
washer
o-ring
Cap
screw
Tapered tap
base
1.1
Spider
clamp
Black plastic
spacer
Long series
M6 nut
Stainless steel
washer
1.2
Top touch taps
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