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Wallgate Thrii®
PRODUCT MANUAL Issue 5_3
ORIGINAL INSTRUCTIONS
© 2013 Wallgate Ltd.
Make an opening in the wall surface according to the dimensions shown in drawing Fig.4 noting
the appropriate mounting height as detailed on the drawing table A.
The opening must be according to the dimensions given in fig.4. The aperture must be accurate
in order for the door mechanism to work effectively.
The unit will be fitted to the support frame supplied. The frame is fixed to the sides of the wall
opening using the frame fixing brackets provided. The front edge of the frame must be flush
with the finished face of the wall. On IPS panel walls such as trespa or corian the aperture in the
panel should be lined on the rear face with 50mm timber studding.
Complete all surface finishes such as screed, plaster or tiling before attaching the fascia to the
support frame.
All electrical work must be carried out by a qualified electrician and should be installed in
accordance with the current Nationally Approved Regulation
The installer must:
Provide an electrical supply of 220–240V 50/60Hz with a switched fused spur. The fused spur
must be a 13Amp, double pole connection point that is local to the unit (the contact separation of
the fused spur switch should be at least 3mm). Earth bonding for this type of unit must comply
with the nationally approved regulations.
The switched fused spur MUST be accessible from either the front of the Thrii or from the rear
without having to open the fascia
Provide a mains cold water supply mounted behind the wall below the ‘hinge’ side of the
aperture. Terminate the cold water supply with a suitable isolating tap. For optimum operation a
dynamic water flow pressure of between 1 & 3 bar is required.
Request advice from Wallgate before you connect the unit to a gravity-fed water supply.
Provide a waste pipe with suitable deep seal waste trap for connection of 32mm (1¼”) or 40mm
(1 ½”) behind the wall below the ‘hinge’ side of the aperture.
6.3 Installing the support frame, water and waste connections and electric
1. Remove the support frame from the packing box.
2. Orientate the frame with hinge plates on the right-hand side and waste outlet parts at bottom
and facing away from you. The frame front edge should now be facing towards you.
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