Daikin R2TND012A4AA [18/28] Installation

Daikin R2TND012A4AA [18/28] Installation
4 Installation
Installation manual
18
R2CND024A4AA + R2TND012~024A4AA
Wall-mounted condensing boiler
3P469346-4E – 2017.07
Flue length determination
Flue duct length (L) is measured from lip of the elbow to end of the
flue terminal.
L
a
L Flue duct length
a Distance of outer lip of terminal to outer wall, a≤50mm
Note: Flue ducts are inserted 45mm into elbows and extensions.
Type C33x (concentric flue system)
The boiler draws combustion air from the outside and expels flue
gas to the outside through a concentric coaxial pipe via the roof.
The terminal outlets from separate combustion and air supply
circuits shall fit inside a square of 50cm and the distance between
the planes of the two orifices shall be less than 50cm.
a
b
e
c
c
d
d
f g h
L
i
a Roof terminal 60/100
b Tile roof outlet kit
Optional:
c 45° elbow 60/100
d Extension 60/100mm
e Flat roof outlet kit
f 90° elbow 60/100
g 45° elbow 60/100
h 30° elbow 60/100
i Extension 60/100
L = 500-1000mm
Allowable flue length for C33x
R2TND* R2CND*
Concentric 60/100mm 12.5m 7.6m
Concentric 80/125mm 42.8m 25.6m
Equivalent length of options
90° elbow 60/100mm 1.5m
45° elbow 60/100mm 1.0m
30° elbow 60/100mm 1.0m
90° elbow 80/125mm 1.5m
45° elbow 80/125mm 1.0m
30° elbow 80/125mm 1.0m
60/100 Vertical flue length can be increased up to 19.2 metres
(for R2TND*) / 13.6 metres (for R2CND*)by adjusting the
parameter C3 to 3 from the user interface. Refer to servicing
instructions for this operation.
Subtract equivalent length value of bends from the allowable flue
length value.
80/125mm flue system
To increase the maximum allowable flue duct length, 80/125 mm
concentric flue ducts can be used instead of 60/100 mm. In this
case, C13x and C33x flue systems should start with a 60/100 to
80/125 adapter coupled to the flue outlet.

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