Daikin EWYA004D2V3P Installer's Reference Manual page 99

EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688013-1B – 2022.09
180°
2 Fix the cables with cable ties to the cable tie mountings.
In case of high voltage Smart Grid contacts
Wires (Smart Grid pulse meter): 0.5 mm²
Wires (high voltage Smart Grid contacts): 1 mm²
[9.8.4]=3 (Benefit kWh power supply = Smart grid)
[9.8.5] Smart grid operation mode
[9.8.6] Allow electrical heaters
[9.8.7] Enable room buffering
[9.8.8] Limit setting kW
The wiring of the Smart Grid in case of high voltage contacts is as follows:
X10M 1
A1
A2
N L N L K1A
2 1 a
STEP 3
STEP 1 Smart Grid relay kit installation
STEP 2 Low voltage connections
STEP 3 High voltage connections
1
High voltage Smart Grid contact 1
2
High voltage Smart Grid contact 2
K1A Relay for Smart Grid contact 1
K2A Relay for Smart Grid contact 2
a, b Coil sides of relays
c, d Contact sides of relays
e Jumper (factory-mounted). If you also connect a safety thermostat (Q4L), replace
the jumper with the safety thermostat wires.
S4S Smart Grid pulse meter (optional)
1 Install the components of the Smart Grid relay kit as follows:
×2
×4
X5M
3 4 5 6 9 10 13 14
X5M
2 3 4 10 9 6 5
A1
A2
K2A K1A K2A
b c d
STEP 1
d
a
K1A
b
c
X10M
9 Electrical installation
|
X5M
14 13 4 3
e
S4S
STEP 2
K2A
e
Installer reference guide
99