To Connect The Main Power Supply - Daikin EGSQH10S18AA9W Installation Manual

4 Installation
a
1×
X1 X2 X3 X4
X5M
11 12
Routing Possible cables (depending on unit type and installed options)
a ▪ Preferential power supply contact
Low voltage ▪ User interface
▪ Power consumption digital inputs (field supply)
▪ Outdoor ambient temperature sensor
▪ Indoor ambient temperature sensor (option)
▪ Electrical meters (field supply)
▪ Safety thermostat (field supply)
b ▪ Normal kWh rate power supply (power supply for unit)
High voltage power supply
c ▪ Preferential kWh rate power supply
High voltage control signal ▪ Heat pump convector (option)
▪ Room thermostat (option)
▪ Shut-off valve (field supply)
▪ Domestic hot water pump (field supply)
▪ Alarm output
▪ Changeover to external heat source control
CAUTION
Do NOT push or place redundant cable length in the unit.
4.5.3

To connect the main power supply

1 Connect the main power supply.
In case of normal kWh rate power supply
X2M
X5M
30
X6YB
X6Y X6YA
Legend: see illustration below.
Installation manual
10
c
1×
X2M
X1A X19A
31
a
X1M
N
L3
L2
L1
NOTICE
▪ Make sure that 50 mm is guaranteed between the low
voltage (a) and high voltage (c) cables.
▪ Make sure that the cables (a) and (c) are routed
between the wire guide and the backside of the switch
box to prevent water ingress.
4 Fix the cable with cable ties to the cable tie mountings to
ensure strain relief and to make sure that it does NOT come in
contact with the piping and sharp edges.
In case of preferential kWh rate power supply
Connect X6Y to X6YB.
S1S
L
c
30 31
X2M
29
3 4
X5M X6Y X6YB
X6YA
a Main power supply
b Normal kWh rate power supply
c Preferential power supply contact
N
b
X1A X19A
34
a
X1M
N
L3
L2
L1
EGSQH10S18AA9W
Daikin Altherma ground source heat pump
4P351747-1F – 2016.06