Daikin R2CND024A4AA [23/28] Installation
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Daikin R2CND024A4AA [23/28] Installation

Daikin R2TND012A4AA [23/28] Installation
4 Installation
Installation manual
23
R2CND024A4AA + R2TND012~024A4AA
Wall-mounted condensing boiler
3P469346-4E – 2017.07
Flue part Order code
Extension flex PP 80mm 10m EKFGP6340
15m EKFGP6344
25m EKFGP6341
50m EKFGP6342
Connector flex - flex PP 80 EKFGP6324
Spacer PP 80 to 100mm EKFGP6333
90° elbow 60mm DR90ELBOW60AA
45° elbow 60mm DR45ELBOW60AA
Extension duct 60mm 500mm DREXDUC0500AA
1000mm DREXDUC1000AA
B33 flue kit DRB33FLUKITAA
4.9 To fill the system with water
CAUTION
Water filling must be done while the boiler is in standby
mode.
Method 1
(For models R2TND012A4AA, R2TND018A4AA and
R2TND024A4AA)
a
1 2 3 4
6
7 5
E D
F
B A
a Use a disconnector or a double check valve according to
local regulations.
After all system connections are performed with care, perform the
following steps:
1 Connect the appliance to the main power supply. Due to low
pressure, error code "Err HJ-09" will appear on the user
interface and the status indicator light will be red.
2 Open all radiator valves.
3 Set all isolating valves to closed position.
4 Connect fresh water supply pipe to valve 5.
5 Open valves 1, 2, 3, 4, 5, 6.
6 Slowly turn the valve 7 to open position until pressure reaches
a value around 0.8bar for system heights up to 6metres. For
longer system heights, see "4.5 Central heating system
requirements" on page10 to determine filling pressure. Filling
operation should be done slowly. When pressure exceeds
0.8bar, error code will disappear and the status indicator light
will turn to blue. Turn the valve 7 off.
7 Turn the valve 5 off. Remove the filling loop if it is required by
local regulations.
8 Check the central heating circuit - especially the couplings of
the circuit - for leakage.
9 Make sure the automatic air vent valves located on the pump
and heat exchanger are opened. Vent the air from the
installation with the manual air vent screws on the radiators.
Make sure screws are tightened after venting.
10 If after the venting the pressure decreases below 0.8bar, refill
with water until the pressure reaches 0.8bar again.
11 Isolate the appliance from power mains.
Method 2
(For model R2CND024A4AA)
E
1 2 4
3 6
5
D F B
7
a
8
A
a Use a disconnector or a double check valve according to
local regulations.
After all system connections are performed with care, perform the
following steps:
1 Connect the appliance to the main power supply. Due to low
pressure, error code "Err HJ-09" will appear on the user
interface and the status indicator light will be red.
2 Open all radiator valves.
3 Set all isolating valves to closed position.
4 Connect the filling loop to the valve 7 and valve 8.
5 Set valves 1, 3, 5, 6 and 8 to open position.
6 Slowly open the valve 7 until pressure reaches a value around
0.8 bar for system heights up to 6metres. For longer system
heights, see "4.5 Central heating system requirements" on
page 10 to determine filling pressure. Filling operation should
be done slowly. When pressure exceeds 0.8bar, error code will
disappear and the status indicator light will turn to blue. Turn
the valve 7 off.
7 You can monitor the system pressure value from the user
interface.
8 Make sure the automatic air vent valves located on the pump
and heat exchanger are opened. Vent the air from the
installation with the manual air vent screws on the radiators.
Make sure screws are tightened after venting.
9 If after the venting the pressure decreases below 0.8bar, refill
with water until the pressure reaches 0.8 bar again.
10 Set valve 8 to off position. Remove the filling loop if it is
required by local regulations.
11 Check the central heating circuit - especially the couplings of
the circuit - for leakage.
12 Isolate the boiler from power mains.
4.10 Converting for use with a different
type of gas
WARNING
Gas conversion operation can only be carried out by
qualified competent persons.

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