7 Installation
Installer reference guide
23
EPGA11~ EA9W
Daikin Altherma – Low temperature split
4P556075-1 – 2019.02
Item
Description
Wires
Maximum
running
current
10
Heat pump convector
2
100 mA
(b)
Field supplied components
11
Shut-off valve
2
100 mA
(b)
12
Electricity meter
2 (per meter)
(b)
13
Domestic hot water
pump
2
(b)
14
Alarm output
2
(b)
15
Changeover to external
heat source control
2
(b)
16
Space heating
operation control
2
(b)
17
Power consumption
digital inputs
2 (per input
signal)
(b)
18
Safety thermostat for
the main zone
2
(b)
19
Safety thermostat for
the additional zone
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.
(f)
Cable section 1.5 mm².
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
*6V
1N~ 230 V (6V)
2+GND
3~ 230 V (6T1)
3+GND
*9W
3N~ 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 water piping.
4
Connecting the electrical wiring.
5
Finishing the outdoor installation.
6
Finishing the indoor installation.
INFORMATION
If you have limited installation space, do the following
before installing the unit in its final position:
connect the drain hose to the drain" on page 26
. It
requires to remove one or both side panels.
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 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×
2×
2×
6
5
1
3
4
2
8
9
7
7.2.3
To open the indoor unit
1
Remove the top panel.
7×
T25
