Bristan Opac Series User Manual

Please keep this booklet for future
reference.
Installer, when you have read these
instructions please ensure you leave them
with the user.
Installation Instructions
and User Guide
Opac Thermostatic Bath
Fillers
Models covered: OP THBF DMH C,
OP THBF DML C, OP THBF WMH C & OP
THBF WML C

Bristan Opac Series Specifications

General

Brand	Bristan
Model	Opac Series
Category	Plumbing Product
Language	English

Summary

Important Safety Information

General Information

Product Features

Temperature Control

Adjusts the water temperature by lifting or moving the control downwards.

Water Flow Control

Controls water flow by lifting to turn on/increase and moving down to turn off/reduce.

Thermal Disinfection Flushing

Built-in feature to flush mixed water passages with hot water to control bacteria.

TMV3 Approved

Product tested to TMV3 scheme for Healthcare and Commercial use, meeting NHS Specification D08.

Specifications

Dimensions

Pack Contents

Installation Requirements

Conditions of use for Type 3 (Thermostatic mixer) valves

Details the conditions for normal use of Type 3 thermostatic mixer valves, including pressure and temperature parameters.

Installation - OP THBF WMH/L C First Fix

Position fixing backplate

Locate and mark the position for the wall mount fixing plate, checking for hidden utilities.

Prepare water supply pipes

Ensure hot and cold water supply pipes are correctly spaced and have adequate protrusion for connection.

Fit wall mount fixing plate

Secure the wall mount fixing plate using its lugs or by screwing it directly to the wall surface.

Cut supply pipework

Trim the water supply pipework to the correct length, ensuring it protrudes 10mm +/- 2mm past the brass insert.

Attach olives and fixing bridges

Place olives onto the pipework and screw fixing bridges onto the threaded brass inserts.

Installation - OP THBF WMH/L C Second Fix

Fit Covers

Screw rear covers onto fixing bridges and slide front covers onto bath filler fixing nuts.

Attach Bath Filler

Place inserts and washers into fixing nuts, then tighten bath filler onto fixing bridges by hand.

Installation - Deck Mounted

Fit Threaded Tails

Push threaded tails onto the bath filler and tighten grub screws on the side of the pillars.

Fit Bath Filler to Bath

Fit the bath filler to the bath, ensuring 'O' rings are correctly positioned on the threaded tails.

Secure the Bath Filler

Thread rubber washers onto threaded tails and tighten fixing nuts to secure the bath filler.

Connect Water Supplies

Connect the hot and cold water supply pipes to the threaded tails.

Operating the Bath Filler

Temperature Control

Adjusts the water temperature by lifting or moving the control downwards.

Water Flow Control

Controls water flow by lifting to turn on/increase and moving down to turn off/reduce.

Commissioning

In-Service Testing

Maintenance

General Cleaning

Clean the fitting with a soft damp cloth; avoid abrasive cleaners and disinfectants.

Cartridge Maintenance

Regularly service the bath filler in hard water areas to maintain water flow, including de-scaling the cartridge.

Adjusting the Temperature

Re-calibrate the bath filler to suit temperature requirements by adjusting the spline and refitting the handle.

Thermal Disinfection Flushing

Perform a hot water flush to kill bacteria and assist against legionella by flushing mixed water passages.

Troubleshooting

Guarantee

Guarantee Terms and Conditions

Details the terms and conditions of the guarantee, including purchase location and proof of purchase.

The guarantee does not cover

Lists exclusions from the guarantee, such as damage, incorrect installation, and misuse.

Guarantee & Service Policy

Bristan Care Customer Support

Offers technical support hotline, installation advice, maintenance checks, and expert advice via guides.

Spare parts

Information on availability, ordering, and dispatch of spare parts for discontinued products.

Expert plumbing engineers

Details on dispatching engineers for on-site support when phone support or parts are insufficient.