Daikin D2CND035A4AA - Boiler Frost Protection; Error Handling and Menus

3 About the unit
Installation manual
7
D2CND028+035A1/4AA + D2TND028+035A4AA
Wall-mounted condensing boiler
3P469346-5E – 2017.06
3.3 Components
Components of models D2CND028A1AA, D2CND028A4AA,
D2CND035A1AA and D2CND035A4AA
a
b
c
d
e
f
g
h
k
l
m
n
r
ab
s
t
u
v
w
i
j
o
p
q
x
z
y
ac
aa
a Automatic air vent (heat exchanger)
b Flow temperature sensor
c Expansion vessel (10litres)
d Gas valve
e Heat exchanger
f 3-way valve stepper 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 Burnerhood
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 Internal filling valve (included in model D2CND028A1AA +
D2CND035A1AA and not included in model
D2CND028A4AA + D2CND035A4AA)
aa Flue gas adapter
ab Condensate sump
ac Flue gas pipe
Components of models D2TND028A4AA and D2TND035A4AA
a
b
c
d
e
w
f
i
j
k
o
v
p
q
r
s
t
g
h
l
m
n
u
a Automatic air vent (heat exchanger)
b Flow temperature sensor
c Expansion vessel (10litres)
d Gas valve
e Heat exchanger
f 3-way valve stepper motor
g Safety valve (3bar)
h Condensate trap
i Flue gas temperature sensor
j Burnerhood
k Ignition electrode
l Ionisation electrode
m High limit thermostat
n Fan
o Return temperature sensor
p Silencer
q Automatic air vent (pump)
r Water pressure sensor
s By-pass
t Boiler pump
u Flue gas adapter
v Condensate sump
w Flue gas pipe