Daikin Altherma 3 WS EWSAH06UD 9W Series Installer's Reference Manual page 93

EWSAH/X06UD
Daikin Altherma 3 WS
4P675765-1 – 2022.04
#
6 Dual cable power supply (= split power supply)
Preferential kWh rate power supply with separate
normal kWh rate power supply
C1
C1: Normal kWh rate power supply for the backup
heater (1N~ or 3N~)
C2: Preferential kWh rate power supply contact
C3: Separate normal kWh rate power supply for
the hydro (1N~)
C4: Connection of X11Y
C5: Preferential kWh rate power supply for the
compressor (1N~)
(a)
See "7.2.2 To open the indoor
(b)
Types of preferential kWh rate power supply:
INFORMATION
Some types of preferential kWh rate power supply require a separate normal kWh
rate power supply to the indoor unit. This is required in the following cases:
▪
if the preferential kWh rate power supply is interrupted when active, OR
▪
if no power consumption of the indoor unit is allowed at the preferential kWh
rate power supply when active.
About preferential kWh rate power supply
Electricity companies throughout the world work hard to provide reliable electric
service at competitive prices and are often authorised to bill clients at benefit
rates. E.g. time-of-use rates, seasonal rates, Wärmepumpentarif in Germany and
Austria, ...
This equipment allows for connection to such preferential kWh rate power supply
delivery systems.
Consult with the electricity company acting as provider at the site where this
equipment is to be installed to know whether it is appropriate to connect the
equipment in one of the preferential kWh rate power supply delivery systems
available, if any.
When the equipment is connected to such preferential kWh rate power supply, the
electricity company is allowed to:
▪ interrupt power supply to the equipment for certain periods of time;
Layout
+
(b)
C3 C2
C5
X2M X5M
Z1F
unit" [ 4 62].
9 Electrical installation
|
Open the unit
a
e
b
f
d
c
Installer reference guide
(a)
93