METHVEN KOHA User manual

Issue C

436630

KOHA SHOWER MIXER WITH DIVERTOR

INSTALLATION GUIDE

TECHNICAL SPECIFICATIONS

Operating Pressure:

Min 150 kPa, Max 1000 kPa.

Recommended 150-500kPa.

Recommended installation of a pressure

limiting valve if supply exceeds 500kPa.

Operating Temperature:

Hot: Min 55°C (at mixer), Max 80°C.

Cold: Min 5°C.

NB: New Zealand Building Code Clause G12 -

Water Supplies speciﬁes all outlets used

primarily for personal hygiene shall deliver

water at a safe temperature.

Inlet Connections:

All ½" BSP.

CERAMIC CARTDRIDGE ADJUSTMENT

Do not remove the ceramic cartridge from the body assembly while carrying out the following

adjustments.

NOTE: The cartridge is factory set for maximum temperature

Methven warrants this product against manufacturing defects and that it is suitable for use

under the operating conditions speciﬁed in this instruction sheet.

For your warranty please refer to www.methven.com or call Customer Service

New Zealand

0800 804 222

Australia

1300 638 483

USA

1800 975 5409

0800 195 1602

Remove half-dome (if attached)

Mix temperature limit

Do not discard screws

Hole cutout

102mm

Distance from mounting

stud to front of lining:

Max 81 mm (optimum)

Min 70mm

Hot

Cold

2.5mm Allen Key

4102mm

50mm

25mm

IMPORTANT

Please read all of the instructions before installation

Avoid restrictive piping, ﬁttings or sharp angled bends when plumbing the mixer.

Do not hydrostatic test the installation with this mixer installed. Damage to the ceramic

cartridge may occur.

All pipe-work must be thoroughly ﬂushed prior to installation of the mixer. In-line ﬁlters must

be installed on both hot and cold supplies to prevent foreign particles damaging the ceramic

cartridge.

NOTE: It is the responsibility of the installer to ensure a water proof seal is achieved

between the faceplate and ﬁnished surface of the wall. If in any doubt about the quality

of the seal the faceplate should be removed and then reinstalled using silicon to ensure a

seal is achieved.

O-ring

Lever handle

Grub screw

Faceplate

Screws

O-ring

Body assembly

Half-Dome

Cover

Divertor knob

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