Daikin EHBH04CA, Руководство по установке для специалистов

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Installer reference guide
75
08 + ERLQ004~008
Daikin Altherma - Low Temperature Split
4P313774-1 – 2012.05
15 Technical data
15.3.3 Components: Indoor unit
15.3.4 Components: Switch box (indoor unit)
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.
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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
a Pump PCB A7P (Inverter PCB)
b Backup heater thermal protector Q1L
c Transformer TR1
d Terminals for backup heater X6M/X7M (*9W models only)
e Backup heater contactors K1M, K2M and K5M
f Booster heater contactor K4M
g Connectors X6YA/X6YB/X6Y
h Backup heater circuit breaker F1B
i Booster heater circuit breaker F2B. (Only for installations with
domestic hot water tank)
j Terminal block X2M (high voltage)
k Terminal block X3M. (Only for installations with domestic hot
water tank)
A7P
A1P
Q1L
TR1
X6M X7M X7M X7M
K1M K2M K2M
K5M K3M
K2M
F1B F2B
X2M
X1M
X4M
X5M
X6Y
X6YA
X6YB
X9A
X13A
FU1
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