Roberts Gorden AG15ST, Installation, Operation & Service Manual

Page: 38 / 62

B
LACKHEAT
® AG I
NSTALLATION
O
PERATION AND
S
ERVICE
M
ANUAL
32
SECTION 9: VENTING AND FRESH AIR SUPPLY
9.1 Type C
12
, C
32
& C
62
Appliance
Room Sealed
The heaters are designed to be installed as room sealed
appliances. The flue and air intake are run as separate
pipes to the special concentric
w all or roof terminal. The
w ire mesh inside the fresh air adapter on the heater must
be remo v ed prior to installation. See Page 34, Figure 18 .
9.2 Type B
22
Appliance
The flue must be fitted w ith a lo w resistance terminal. See
Page 34, Figure 18 .
9.3 Flue Installation
The fan outlet may discharge v ertically or horizontally.
Connection should be made using 100 mm minimum
diameter Aluminium or Stainless Steel flue material to
National Standard and must be adapted to insert into the
100 mm flue adapter. Both fresh air supply and flue duct
shall not exceed 10,000 mm. AG15 and AG20 flue must
be insulated if longer than 5,000 mm. AG25 flue must be
insulated if longer than 8,000 mm. For each 90° bend,
subtract 1,000 mm from the maximum flue length. The
flue must be self supporting. Suitable terminals must be
fitted for horizontal and
v ertical flue.
In order to locate fans that are not IP54 protected a w ay
from the w et en v ironment, a 100 mm diameter extension
tube bet w een the heat exchanger end and fan must be
installed. This length must be subtracted from the
maximum flue length.
Fans Horizontal Vertical
83 BWLG 190 x 75 (hole) 150 mm dia.
90 BWTL 190 x 75 (hole) 150 mm dia.
9.4 Ventilation Re q uirements
Detailed recommendations for air supply are gi v en in the
rele v ant National Standards. There must be an adequate
supply of air for both combustion and general v entilation.
Air v ents should ha v e negligible resistance. Do not locate
air v ents w here they can be easily blocked or flooded, or
adjacent to any flues or extraction systems carrying
flammable
v apour.
9.5 Fresh Air Supply
The burner is equipped w ith a fresh air adapter w hich has
a silicone gasket incorporated. This adapter accepts
tubes
w ith 100 mm outside diameter.
WARNING
Carbon Monoxide Hazard
Multiburner systems are not approved for
unvented use and must be vented outdoors.
Unitary heaters installed unvented must be
interlocked with sufficient building exhaust.
Heaters must be installed according to the
installation manual.
Failure to follow these instructions can result
in death or injury.
WARNING
Cut/Pinch Hazard
Wear protective gear during installation,
operation and service.
Edges are sharp.
Failure to follow these instructions can result
in injury.
F resh Air Adapter
F resh Air
Supply Duct
1 00 mm OD