4 Installation
Installation manual
5
EGSQH10S18AA9W
Daikin Altherma ground source heat pump
4P351747-1F – 2016.06
3.3
Preparing electrical wiring
3.3.1
Overview of electrical connections for
external and internal actuators
Item
Description
Wires
Maximum
running
current
Indoor unit power supply
1
Power supply for E1
and E3
3+N + GND
(a)
2
Power supply for E2
2
(c)
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
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
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)
22
Power consumption
digital inputs
2 (per input
signal)
(b)
23
Safety thermostat
2
(d)
(a)
Refer to name plate on 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.
4
Installation
4.1
Opening the units
4.1.1
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.
5
Remove the top panel from the unit.
4×
2×
3
2
4
5
1
2
4.1.2
To open the switch box cover of the
indoor unit
7×
Содержание EGSQH10S18AA9W
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