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EHBH/X16
Daikin Altherma - Low Temperature Split
4P313776-1 – 2012.05
Installer reference guide
62
14 Technical data
14.2
Components
14.2.1 Components: Indoor unit
d
q
r
s
e
q
p
o
g
j
q
q
i
k
l
n
n
o
m
f
u
h
t
a
b
c
a
Switch box
Contains the main electronic and electrical parts of the indoor
unit.
b
User interface (accessory)
c
Manometer
Allows readout of the water pressure in the water circuit.
d
Air purge valve
Remaining air in the water circuit will be automatically removed
via the air purge valve.
e
Expansion vessel (10 l)
f
Flow sensor
Gives feedback to the interface about the actual flow. Based on
this information (and other), the interface adjusts the pump
speed.
g
Heat exchanger
h
Water pump
Circulates the water in the water circuit.
i
Water filter
Removes dirt from the water to prevent damage to the pump or
blockage of the heat exchanger.
j
Pressure relief valve
Prevents excessive water pressure in the water circuit by
opening at 3 bar.
k
Refrigerant gas connection R410A
l
Refrigerant liquid connection R410A
m
Water inlet connection
n
Drain and fill valves
o
Shut-off valves (accessory)
Allows isolation of the indoor unit water circuit side from the
residential water circuit side.
p
Water outlet connection
q
Thermistors
Determines the water and refrigerant temperature at various
points in the circuit.
r
Backup heater thermal fuse
The fuse is blown when the temperature becomes higher than
the backup heater thermal protector temperature.
s
Backup heater thermal protector
The protector activates when the temperature of the backup
heater becomes too high.
t
Backup heater
Provides additional heating in case of cold outdoor
temperatures. Also serves as backup in case of malfunctioning
of the outdoor unit.
u
Air valve
Summary of Contents for ERHQ011BA
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