Daikin EHVH16S18CA, Руководство по установке для специалистов

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Installer reference guide
63
EHVH/X16
Daikin Altherma - Low Temperature Split
4P313777-1 – 2012.05
14 Technical data
14.2 Components
14.2.1 Components: Indoor unit
a Space heating cooling out
b Shut-off valves (accessory)
Allows isolation of the indoor unit water circuit side from the
residential water circuit side.
c Domestic hot water out
d Refrigerant liquid connection R410A
e Refrigerant gas connection R410A
f Domestic hot water in
g Fill valve (accessory)
h Space heating cooling in
i Expansion vessel (10 l)
j Pressure relief valve
Prevents excessive water pressure in the water circuit by
opening at 3 bar.
k Water filter
Removes dirt from the water to prevent damage to the pump or
blockage of the heat exchanger.
l Heat exchanger
m Water pump
Circulates the water in the water circuit.
n Thermistors
Determines the water and refrigerant temperature at various
points in the circuit.
o Drain caps
p Tank thermistors (180 l/260 l)
q Domestic hot water tank drain valve
Empties the full tank.
r Switch box
Contains the main electronic and electrical parts of the indoor
unit.
h
f
e
a
c
d
k
b
b
g
y
v
s
l
m
j
r
u
w
x
i
dd
n
p (180 l)
n
q
o
n
t
n
p (260 l)
o
z
z
y
i
x
aa
bb
cc
s Backup heater thermal protector
The protector activates when the temperature of the backup
heater becomes too high.
t Drain collector (EHVX models only)
u Drain gutter (EHVX models only)
v Backup heater
Provides additional heating in case of cold outdoor
temperatures. Also serves as backup in case of malfunctioning
of the outdoor unit.
w Manometer
Allows readout of the water pressure in the water circuit.
x Flow sensor
Gives feedback to the interface about the actual flow. Based on
this information (and other), the interface adjusts the pump
speed.
y Air purge valve
Remaining air in the water circuit will be automatically removed
via the air purge valve.
z 3-way valve
Controls whether the water is used for space heating, or the
domestic hot water tank.
aa User interface (accessory)
bb Drain flexible (EHVX models only)
cc Drain flexible pressure relief valve
dd Air valve
NOTICE
The optional equipment is delivered with the EKHTS
domestic hot water tank.
INFORMATION
Some components are not directly accessible when
removing the top plate and/or the front plates. It could be
necessary to remove the isolation of the tank by sliding it
backward of the tank. The components in the switch box
are accessible by removing the switch box cover.