Daikin EHBH04CA, Руководство по установке для специалистов

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08 + ERLQ004~008
Daikin Altherma - Low Temperature Split
4P313774-1 – 2012.05 Installer reference guide
26
7 Installation
6.4.4 Overview of electrical connections for
external and internal actuators
The following illustration shows the required field wiring.
7 Installation
7.1 Opening the units
7.1.1 To open the outdoor unit
1 Remove 1 screw from the service cover.
2 Remove the service cover.
INFORMATION
The following illustration is an example and may NOT
match your system layout.
a Single power supply for outdoor unit, backup heater and
booster heater
b Backup heater
c Indoor unit
d Domestic hot water tank
e Booster heater
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)
3 Power supply for
backup heater See table below. —
4 Preferential kWh rate
power supply (voltage
free contact) 2
(e)
5 Normal kWh rate power
supply 2 6.3 A
User interface
6 User interface 2 (f)
Optional equipment
7 3-way valve 3
100 mA
(b)
8 Power supply for
booster heater and
thermal protection
(from indoor unit) 4+GND (c)
9 Power supply for
booster heater (to
indoor unit) 2+GND 13 A
10 Domestic hot water
tank thermistor 2
(d)
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)
14 Indoor ambient
temperature sensor 2 (b)
15 Heat pump convector 4
100 mA
(b)
Field supplied components
M
M
6
7
c
16
21
d
e
8 10
a
9 19
12
14
b
20
15
13
14
17
18
16 Shut-off valve 2 (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) The thermistor and connection wire (12 m) are delivered with the
domestic hot water tank.
(e) 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.
(f) Cable section 0.75 mm² till 1.25 mm²; maximum length: 500 m.
Applicable for both single user interface and dual use interface
connection.
Backup heater
type Power supply
Required number of
conductors
*3V 1x 230 V 2+GND
*9W 1x 230 V 2+GND + 2 bridges
3x 230 V 3+GND + 1 bridge
3x 400 V 4+GND
Item Description Wires
Maximum
running
current
1x
1
2
2