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3 About the unit

Installation Manual

6

D2CNL024A1AA

Wall-mounted condensing boiler

3P469346-12R – 2021.09

3.3

Components

a

l

m

n

o

k

ab

b
c
d

e

f

g

h

j

i

aa

y

z

v

p

q

r

s

t

w

x

u

a

Automatic air vent (heat exchanger)

b

Flow temperature sensor

c

Expansion vessel

d

Gas valve

e

Heat exhanger

f

3-way valve motor

g

Domestic hot water temperature sensor

h

Plate heat exchanger

i

Safety valve (3 bar)

j

Condensate trap

k

Ignition transformer

l

Flue gas temperature sensor

m

Burner hood

n

Ignition electrode

o

Ionisation electrode

p

High limit thermostat

q

Fan

r

Return temperature sensor

s

Silencer

t

Automatic air vent (pump)

u

Water pressure sensor

v

By-pass

w

Boiler pump

x

Domestic hot water flow sensor

y

Domestic hot water flow limiter

z

Filling valve

aa

Backflow preventer

ab

Flue gas adapter

Summary of Contents for D2CNL-A1A

Page 1: ...Installation Manual Wall mounted condensing boiler English Installation Manual Wall mounted condensing boiler D2CNL024A1AA...

Page 2: ...e atitinka emiau nurodytus standartus ir arba kitus norminius dokumentus su s lyga kad yra naudojami pagal m s nurodymus tad ja lietoti atbilsto i ra ot ja nor d jumiem atbilst sekojo iem standartiem...

Page 3: ...re easy to separate and the plastics are marked This allows the various components to be sorted for appropriate recycling or disposal Units are marked with the following symbol This means that electri...

Page 4: ...thorised third parties Otherwise the unit warranty becomes void DANGER Isolate the boiler from the power mains before working on it WARNING Unit installation commissioning repair configuration and ser...

Page 5: ...heating circuit to avoid air traps and consequent operational problems Frost protection safety system This function protects the unit and heating installation from frost damages It is controlled by t...

Page 6: ...valve motor g Domestic hot water temperature sensor h Plate heat exchanger i Safety valve 3 bar j Condensate trap k Ignition transformer l Flue gas temperature sensor m Burner hood n Ignition electro...

Page 7: ...products temp at nominal heat input C 90 CO2 Emission at nominal and minimum heat input G20 8 7 9 3 0 2 NOx Class 6 Energy related products ErP specifications Symbol Unit D2CNL024A1AA Model D2CNL024 C...

Page 8: ...ualified competent persons are allowed to open the unit Certain actions explained in this document such as gas conversion optional equipment connection require that the front cover is opened 1 Loosen...

Page 9: ...oom containing a bath or a shower then particular reference is drawn to the current I E E Wiring Regulations local Building Regulations or any other local regulations currently in service The intake a...

Page 10: ...d related system charge pressure are given below h p 6 m 0 8 bar 7 m 0 9 bar 8 m 1 0 bar 9 m 1 1 bar 10 m 1 2 bar 11 m 1 3 bar 12 m 1 4 bar 13 m 1 5 bar h h System water height m p System charge press...

Page 11: ...mp lift graph The residual pump lift graph shows the amount of pump lift mbar that remains for the central heating circuit 0 0 0 0 100 200 300 400 500 600 700 0 100 200 300 400 500 600 700 800 900 100...

Page 12: ...The system must be air free to protect the boiler There are two automatic air vents on the boiler one at heat exchanger the other on the pump Ensure air is discharged completely at each water filling...

Page 13: ...nal equipment is connected to the connectors which are located on the outside of the switch box Do not open the switch box to connect optional equipment Temperature control units Connector Connectio n...

Page 14: ...2021 09 4 8 6 Wiring diagram DANGER RISK OF ELECTROCUTION Disconnect the power supply for more than 10 minutes before servicing X1A X2 X4 X5 X1M X2M X6A X7 1 1 1 1 1 1 1 1 1 1 1 1 1 X12 X10 X11 X17 X1...

Page 15: ...7 Guidelines when connecting the condensate piping DANGER In order to prevent escape of flue gases and so poisoning the condensate trap must be mounted to its place before commissioning Condensate tra...

Page 16: ...ial to ensure that products of combustion discharging from the terminal cannot re enter the building or other buildings through ventilators windows doors other sources of natural air infiltration or f...

Page 17: ...rom 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 termi...

Page 18: ...ncentric flue system INFORMATION C63 flue type is not applicable to Belgium To install the boiler as a C63x option the following data must be used to determine the correct diameters and lengths of the...

Page 19: ...flue system The boiler draws combustion air from outside via a separate supply pipe routed through the external wall and expels flue gas to a shared flue system The multi served chimney is a system t...

Page 20: ...P4811 30 elbow 60 100 EKFGP4664 30 elbow 80 125 EKFGP4814 Extension duct 60 100 500 mm EKFGP4651 1000 mm EKFGP4652 Extension duct 80 125 500 mm EKFGP4801 1000 mm EKFGP4802 Tile roof outlet kit 60 100...

Page 21: ...crews on the radiators Make sure screws are tightened after venting a a Filling valve 8 If after the venting the pressure decreases below 0 8 bar refill the system with water until the pressure reache...

Page 22: ...ck the CO2 values at minimum capacity 5 Press CH to switch to maximum capacity H caption will appear on screen Check the CO2 values at maximum capacity 6 To quit sweeper mode press Reset button The CO...

Page 23: ...unction of the boiler error mode Emphasise that if an error is indicated refer to Error codes in the operation manual Inform the user about frost protection function and advise never to cut off the el...

Page 24: ...ANBUL T RK YE Tel 0216 453 27 00 Faks 0216 671 06 00 a r Merkezi 444 999 0 Web www daikin com tr G lsuyu Mahallesi Fevzi akmak Caddesi Bur ak Sokak No 20 34848 Maltepe 3P469346 12R 2021 09 Copyright 2...

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