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Infra Red
Thermostatic Wall Mixer
HTMWMBCP, HTMWMMCP,
HTMWMBRS & HTMWMMRS
Installation and Maintenance Instructions
Intatec Ltd
Airfield Industrial Estate
Hixon
Staffordshire
ST18 0PF
In this procedure document we have endeavoured to make the
information as accurate as possible
Tel: 01889 272 180
We cannot accept any responsibility should it be found that in
Fax: 01889 272 181
any respect the information is inaccurate or incomplete or
email: sales@intatec.co.uk
becomes so as a result of further developments or otherwise
web: www.intatec.co.uk
© Intatec Ltd. 2016
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Table of Contents
Related Manuals for Inta HTM64
Summarization of Contents
Introduction and Overview
Content Verification
Verify all components are present before installation.
Product Range Overview
Lists the different models of the thermostatic wall mixer.
Technical Specifications
Provides specifications like pressure, temperature, and ratios.
Installation Preparation
Fixed Spout Components
Diagram identifying parts for the fixed spout version.
Detailed Component Lists
Standard Components List
Detailed list of parts for the standard model.
Removable Spout Parts List
Detailed list of parts for the removable spout model.
Installation Guide
Location and Valve Positioning
Ensure accessible location for valve and battery, position valves correctly.
Tailpiece and Plate Connections
Fit concealing plates and screw in tailpieces for water inlets.
Tap Assembly and Pipe Connections
Fit tap assembly, connect pipes, fit cover using grub screw.
Elbows, Solenoid Valves and Hydraulics
Assemble elbows, solenoid valves, check hydraulics and isolation valves.
Sensor and Power Setup
Install sensor, power box, and connect cables.
Panel Thickness and Battery Security
Max panel thickness 33mm, secure battery pack if needed.
Battery Replacement
Battery Replacement Steps
Steps to replace the battery when the LED flashes.
Troubleshooting Guide
Temperature Related Issues
Mixed water not hot, or too hot/cold.
Water Flow Problems
Water goes cold, low flow, or no flow.
Product Aftercare
Cleaning and Maintenance Advice
Advice on cleaning polished surfaces and sensor eye.
Flow Straightener Servicing
Cleaning the flow straightener and periodic servicing.
Genuine Spare Parts
Use of genuine spare parts for maintenance.
Spout Removal
Spout Removal Steps
Steps to unscrew grub screw and pull spout away.
O-ring Check and Sterilization Prep
Check O-rings, sterilize spout if needed.
System Flushing
Flushing Steps 1-4
Water must not pass, close valves, remove cover/check valve.
Flushing Steps 5-8
Screw in plug, attach hose, open valve, flush system.
Flushing Steps 9-11
Close hot supply valve, remove plug, repeat for cold side.
Sterilization Process
Sterilization Note
Not a replacement for chlorination.
Sterilization Steps 1-4
Start with/without water, close valves, remove covers/plugs.
Sterilization Steps 5-8
Fit plugs, wave sensor, open valves, close valve.
Sterilization Steps 9-11 and Times
Refit plugs, open valve, disinfection times by temp.
DO8 Application Instructions
Introduction and Compliance
Mixer designed for BS 7942:2000 and NHS D08, TYPE 3 valve.
DO8 Technical Specifications
Detailed technical parameters for DO8 application.
DO8 Approved Applications
Table showing approved applications for DO8.
DO8 Installation Requirements
Pre-requisites and installer awareness for DO8 installation.
DO8 Supply Condition Checks
Verify supply conditions match DO8 technical specification.
DO8 System Demand and Piping
Consider system demands, ensure valve performance with piping.
DO8 System Flushing Mandate
System must be flushed; failure affects performance/warranty for DO8.
DO8 Filters, Valves and Water Treatment
Fit filters/valves, treat hard water supplies for DO8.
DO8 Flow Rate Conditions
Max flow rate achieved under specific conditions for DO8.
DO8 Wall Mounting and Access
Wall mount design for DO8, ensure access for maintenance.
DO8 Supply Connection Orientation
Connect hot/cold supplies correctly to valve for DO8.
DO8 Excessive Supply Pressure
Fit PRV or flow regulator for excessive supplies in DO8.
DO8 Strainers and Isolation Valves
Recommend Y strainers and isolation valves for DO8.
DO8 Situations to Avoid
Avoid installation where water supply is deprived or demand is high for DO8.
DO8 Cold Water Failure Safety
Hot water supply temp must be 10°C above mixed discharge temp for DO8.
DO8 Temperature Variation Limits
Avoid extreme temperature variations for DO8.
Commissioning Procedures
Commissioning Pre-requisites
Read instructions, ensure system is clean before commissioning.
Temperature Measurement Tool
Use a calibrated thermometer for temperature checks.
Recommended Outlet Temperatures
Use NHS guidance for recommended outlet temperatures.
Commissioning Sequence Steps 4-5
Consider system demands, open other outlets, wave sensor, measure supplies.
Commissioning Sequence Steps 5.2-5.5
Measure discharge temp, isolate cold, monitor, record max/final temps.
Commissioning Equipment Record
Record all equipment used during commissioning.
Commissioning Application Check
Ensure valve application matches approved designation.
Commissioning Work Record
Record and update information on all work carried out.
In-Service Testing
Initial In-Service Test (6-8 Weeks)
Record supply temps and mixed water temps at draw-off.
In-Service Test - Change Check
Check strainers, valves, isolation valves if temp changes significantly.
In-Service Test - Acceptable Temp
Record supplies, mixed water temps, isolate cold, monitor temp.
In-Service Test - Temp Exceedance
If temp exceeds values or previous results by >2°C, service tap.
Subsequent In-Service Test (12-15 Weeks)
Carry out sequence of tests again after 12-15 weeks.
In-Service Test Outcome Analysis
Determine next test interval based on temperature stability.
Periodic Maintenance Benefits
Regular maintenance of valve and fittings ensures performance.
Inlet Strainer Access for Cleaning
Inlet strainers can be removed for cleaning.
Check Valve Access for Maintenance
Access check valves similar to filters for freedom/seating.
Product Guarantee
Guarantee Terms and Conditions
Product free from defects, 5yr showers, 1yr commercial.
Guarantee Exclusions
Excludes wear/tear, misuse, incorrect installation, neglect.
Consumer Statutory Rights
Guarantee does not affect consumer statutory rights.
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