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Water heating is another key feature of your Metro wood fi re; nearly all Metro
models can be fi tted with a wetback, which are designed to give maximum
output with minimal effect on the operation of the fi re. Only the Pioneer cast
jacket wetback system should be fi tted to your Metro; alternative wetbacks
will void the Metro’s emission approvals and may seriously affect the
performance of the appliance and void its warranty.
If your home is in a classifi ed ‘clean air zone’, and dependent on
requirements/restrictions which may be imposed by your local territorial
authority (council) you may or may not be able to install a water heating
device. If in doubt consult your local Metro retailer.
Other considerations are:
• Distance from your Metro to the storage cylinder will affect the amount
of hot water produced
• Your climate & the manner in which you will ‘fi re’ your Metro will
determine the amount of hot water produced.
Note: Wetbacks are not suitable for use in locations where the water supply
has lime content. Lime build up inside the coil will eventually block the coil
causing the wetback to fail.
Cost Savings
Wetbacks can enable substantial power savings, dependent on the climate
in the area in which you live. If you live in a cold climate you are likely to use
your Metro for many months of the year, in which case a Pioneer wetback
will reduce or even eliminate your water heating costs over those months. If
however you live in a warmer climate and use your Metro for only a few hours
a day over the colder months, electricity savings will be considerably less.
Water Pressure
A common misconception is that you must have a low-pressure system
to have a wetback; this is not true. You must have a ‘vented’ system and
high-pressure cylinders are usually not vented. However you can install an
‘indirect’ cylinder which contains a secondary coil inside the storage cylinder,
enabling you to have a wetback while retaining a high-pressure system.
Wetback
Suitable for models:
Smart Booster
• Smart Insert
• LTD Smart Insert
3kW Wetback
• ECO Trend Insert (properties of 2Ha+ only)
• LTD Trend Insert
4kW Wetback
• ECO Trend Insert (properties of 2Ha+ only)
• LTD Trend Insert
Optional wetbacks
Operating your Metro fi re is simple and you will quickly learn how to get the
best from it. First take a minute to familiarise yourself with your new Metro.
• Raise the door handle anti-clockwise until the latch releases, and then
slowly pull the door open. You will note that if you let the door go before
it is at 90° to the appliance, it will fall closed. This is a safety feature
that ensures the door cannot fall open if it is not latched securely. For
the door to remain open, you must open it fully
• There is a single air control making your Metro fi re easy to adjust. This
control moves from left to right, which is ‘low to high’.
All Metro insert fi res have an air control knob located directly above and
to the right of the door. Slide this control knob gently from right to left until
you reach a stop, this is a preset ‘low’ position. Your Metro must not be
operated at a lower burn rate than this pre-set low allows.
Please note: The Metro LTD Trend Insert model enables you to have total
control of burn rate from ’high’ to ‘off’.
Safety off provision
The LTD Trend Insert model has a safety ‘off’ provision which enables
the air control to be fully closed during fl ue pipe cleaning, and more
importantly to enable all primary oxygen to the fi re to be cut off in the
unlikely event of a fl ue pipe fi re. To engage the ‘off’ provision, lift the air
control knob up and move it fully to the left.
Getting to know your Metro wood fi re
Metro Insert air control
LTD Trend Insert - Safety off provision
