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General
This product is precision engineered and should give continued safe and controlled
performance provided that:
It is installed, commissioned, operated and maintained in accordance with the
1.
manufacturer's recommendations.
Periodic attention is given, when necessary, to maintain the product in good
2.
functional order.
The Mira Select Thermostatic Mixer is designed to require the minimum of
maintenance in normal use. The only serviceable parts are the inlet fi lters which
should be checked and cleaned every 12 months. Refer to section "Maintenance,
Filters" for further details. If a malfunction occurs with the Thermostatic Cartridge,
this will necessitate a complete cartridge replacement.
Note! The cartridge contains no internally serviceable parts.
If you require a Mira trained engineer or agent, then refer to section: "Customer
Service" on the back of this guide.
Lubricants
Silicone based lubricants must only be used on the rubber seals.
Warning! Oil based or other lubricant types may cause rapid deterioration of the
seals.
Cleaning
The chrome plated parts should be cleaned using a mild washing up detergent or
soap solution, rinsed and then wiped dry with a soft cloth.
Warning! Many household cleaners contain abrasive or chemical substances and
should not be used for cleaning plated or plastic fi ttings.
Do not use descalents on this product.
In-service Tests
The primary method for determining the continued satisfactory performance of the
mixing valve is the in-service test. Follow the procedure detailed in the fl ow diagram
"In-Service Test Procedure" for further details.
Frequency of In-Service Tests - Commercial (non-domestic installations)
Check for correct blend setting every 6 months.
Follow the procedure detailed in the fl ow diagram "In-Service Test Procedure"
every 12 months.
MAINTENANCE
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