3
Baffle and Air Tube positioning
Check to ensure the top baffle and air tube is in its correct position in the
top chamber of the firebox. The top baffle should be resting on four support
lugs (two on each side of the firebox). The baffle must be pushed hard
back against the rear of the firebox as illustrated in Diagram 2.
The air tube retaining clip is easier accessed if the front of the baffle is
raised by resting a spacer on top of the pin to see the tube slip ring and
locking pin. Once the locking pin and slip ring is removed, the Air Tube
slides to the right to release the left side allowing the tube to be fully
removed. When refitting the airtube the left side has to index over the bolt
head locator so the air jets face in a forward/down direction.
If removing the top baffle for servicing, the air tube can remain in place.
Note: The airtube is not applicable for the LTD Rad Plus model.
Top baffle
Diagram 2
Bricks
Assembling your Metro fire
Water heating is another key feature of your Metro wood fire. Only the
Pioneer cast jacket wetback system should be fitted 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.
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 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 likely be less.
• Distance from your Metro to the storage cylinder will affect the amount
of hot water produced
• Your climate and the manner in which you will ‘fire’ your Metro will
determine the amount of hot water produced.
Wetback connections
Wetback connections are taken facing the Metro/wall. The return pipe
connection is directly above the inlet connection. Connection heights are
detailed in the clearances table on page 4.
• The
Rad Plus model is 206mm left of the flue centre
Fitting the side wetback
• Remove the 6 x small pozi drive screws holding the outer rear panel.
Remove the two pre-punched knock outs from this panel.
• Remove the firebox door.
• Next to the door hinge, Loosen the 2x pozi drive screws holding the
side panel to the fire box, DO NOT remove.
• At the rear of the fire remove the 1x large pozi-drive screw holding the
side panel to the fire box lower angled mount plate.
• Remove the three M6 counter sunk bolts and nuts on the left hand
side wall of the firebox.
• At the back of the fire pull the side panel open so to create better
access to fix the wet back to the outer side of the fire box down
between that and the side panel.
• Using the tube of sealant supplied with the wet back, apply a liberal
amount to the rear flat face of the wetback. Using the 3x counter sunk
M6 bolts supplied fit the wetback to the fire box side. The front hole of
the wet back is threaded.
• Reassemble and retighten all screws/panels
Wetback installation
• DO NOT connect to an unvented hot water system
• Install in accordance with AS 3500.4.1 or NZS 4603 and the
appropriate requirements of the relevant building code or codes.
WARNING! Important Information
• Wetbacks must be connected with water before operating the
fire and available to the wetback while the fire is in operation
• Wetback systems 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
• Rainwater collection tanks installed lower than the wetback that
use a water pump to supply the home, can cause problems if
the pump is not operational. In these situations either the type
of wetback or a roof header tank should be considered
• It is recommended the return pipe has a minimum rise of 1
in 12; performance will reduce as the distance to the storage
cylinder increases.
CAUTION! Important Information
Wetback Suitable for models:
Side Wetback
• Tiny Rad Woody
• Wee Rad Leg & Wee Rad Base
• Wee Rad Woody
• Wee Ped
• Rad Plus & LTD Rad Plus
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