Daikin Altherma EHVH/X04S18CB, Руководство по установке для специалистов

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7 Installation
Installer reference guide
29
ERLQ004~008CA + EHVH/X04+08S18+26CB
Daikin Altherma – Low temperature split
4P384973-1D – 2018.07
Item Description Wires Maximum
running
current
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
(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)
23 Safety thermostat 2
(d)
(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
user 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.
Typical workflow
Installation typically consists of the following stages:
1 Mounting the outdoor unit.
2 Mounting the indoor unit.
3 Connecting the refrigerant piping.
4 Checking the refrigerant piping.
5 Charging refrigerant.
6 Connecting the water piping.
7 Connecting the electrical wiring.
8 Finishing the outdoor installation.
9 Finishing the indoor installation.
INFORMATION
Depending on the units and/or the installation conditions, it
might be necessary to connect electrical wiring before you
can charge refrigerant.
7.2 Opening the units
7.2.1 About opening the units
At certain times, you have to open the unit. Example:
▪ When connecting the refrigerant piping
▪ When connecting the electrical wiring
▪ When maintaining or servicing the unit
DANGER: RISK OF ELECTROCUTION
Do NOT leave the unit unattended when the service cover
is removed.
7.2.2 To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING
1×
1
2
2
7.2.3 To open the indoor unit
1 Loosen and remove the screws at the bottom of the unit.
2 Push on the button at the bottom of the front plate.
WARNING: Sharp edges
Take the front plate on the upper part instead of the lower
part. Watch your fingers, there are sharp edges on the
lower part of the front plate.
3 Slide the front panel of the unit downwards and remove it.
CAUTION
The front panel is heavy. Be careful NOT to jam your
fingers when opening or closing the unit.
4 Loosen and remove the 4 screws that fix the top panel.