Daikin Altherma EHVH04S18CB3V, Руководство по установке для специалистов, Страница: 28 / 120

7 Installation
Installer reference guide
28
ERLQ004~008CA + EHVH/X04+08S18+26CB
Daikin Altherma – Low temperature split
4P384973-1A – 2016.02
6.5.3 Overview of electrical connections except
external actuators
Normal power
supply
Preferential kWh rate power supply
Power supply is
NOT interrupted Power supply is
interrupted
1
580
1 50
0 0
2
a
3
1
4
580
1 50
0
0
2
b
3
During preferential
kWh rate power
supply activation,
power supply is NOT
interrupted. The
outdoor unit is turned
off by the control.
Remark: The
electricity company
must always allow the
power consumption
of the indoor unit.
5 3
a b
1 4
580
1 50
0 0
580
1 50
0 0
2
During preferential
kWh rate power
supply activation,
power supply is
interrupted
immediately or after
some time by the
electricity company.
In this case, the
indoor unit must be
powered by a
separate normal
power supply.
a Normal power supply
b Preferential kWh rate power supply
1 Power supply for outdoor unit
2 Power supply and interconnection cable to indoor unit
3 Power supply for backup heater
4 Preferential kWh rate power supply (voltage free contact)
5 Normal kWh rate power supply (to power the indoor unit
PCB in the event of power supply interruption of the
preferential kWh rate power supply)
6.5.4 Overview of electrical connections for
external and internal actuators
The following illustration shows the required field wiring.
INFORMATION
The following illustration is an example and might NOT
match your system layout.
M
a
16
21
22
19
15
20
12
6
13
17
18
a Indoor unit
Item Description Wires Maximum
running
current
Outdoor unit and indoor unit power supply
1 Power supply for
outdoor unit 2+GND or
3+GND
(a)
2 Power supply and
interconnection cable to
indoor unit 3
(c)
Item Description Wires Maximum
running
current
3 Power supply for
backup heater See table below. —
4 Preferential kWh rate
power supply (voltage
free contact) 2
(d)
5 Normal kWh rate power
supply 2 6.3 A
User interface
6 User interface 2 (e)
Optional equipment
11 Power supply for
bottom plate heater 2
(b)
12 Room thermostat 3 or 4 100 mA
(b)
13 Outdoor ambient
temperature sensor 2
(b)
15 Heat pump convector 4 100 mA
(b)
Field supplied components
16 Shut-off valve 2 100 mA
(b)
17 Electricity meter 2 (per meter)
(b)
18 Domestic hot water
pump 2 (b)
19 Alarm output 2
(b)
20 Changeover to external
heat source control 2
(b)
21 Space cool/heat
operation control 2
(b)
22 Power consumption
digital inputs 2 (per input
signal)
(b)
(a) Refer to name plate on outdoor unit.
(b) Minimum cable section 0.75 mm².
(c) Cable section 2.5 mm².
(d) Cable section 0.75 mm² till 1.25 mm²; maximum length:
50 m. Voltage-free contact shall ensure the minimum
applicable load of 15 V DC, 10 mA.
(e) Cable section 0.75 mm² till 1.25 mm²; maximum length:
500 m. Applicable for both single user interface and dual
use interface connection.
NOTICE
More technical specifications of the different connections
are indicated on the inside of the indoor unit.
Backup heater
type
Power supply Required number of
conductors
*3V 1× 230 V 2+GND
*9W 1× 230 V 2+GND + 2 bridges
3× 230 V 3+GND + 1 bridge
3× 400 V 4+GND
7 Installation
7.1 Overview: Installation
This chapter describes what you have to do and know on-site to
install the system.