Daikin EWAA016DAV3P - Page 102

9 | Electrical installation
Installer reference guide
102
EWAA011~016DA + EWYA009~016DA
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P620242-1 – 2020.06
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:
a
b
c
d
e
K1A K2A
X10M
×2
×4
K1A Relay for Smart Grid contact 1
K2A Relay for Smart Grid contact 2
X10M Terminal block
a Screws for X10M
b Screws for K1A and K2A
c Sticker to put on the high voltage wires
d Wires between the relays and X5M (AWG22 ORG)
e Wires between the relays and X10M (AWG18 RED)
9 105 6
X5M
K1A K2A
X10M
1 2 3 4
b
b
b
b
a
a
2 Connect the low voltage wiring as follows:
X5M.4
X5M.3
S4S
S4S Smart Grid pulse meter (optional)