To Connect The Changeover To External Heat Source - Daikin EWYA004D2V3P Installer's Reference Manual

9.2.9 To connect the changeover to external heat source

EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688013-1B – 2022.09
180°
a Installation of EKRP1HBAA is required.
WARNING
Stripped wire. Make sure that stripped wire cannot make contact with possible
water on the bottom plate.
3 Fix the cable with cable ties to the cable tie mountings.
INFORMATION
Bivalent is only possible in case of 1 leaving water temperature zone with:
▪
room thermostat control, OR
▪
external room thermostat control.
Wires: 2×0.75 mm²
Maximum load: 0.3 A, 250 V AC
Minimum load: 20 mA, 5 V DC
[9.C] Bivalent
1 Open the service cover. See
2 Connect the changeover to external heat source cable to the appropriate
terminals as shown in the illustration below.
X2M
7 9
a
A4P
X1M
YC Y2
X2M.9
YC Y2
"7.3.2 To open the outdoor
A4P.X1
L
N
A4P.X2
9 Electrical installation
|
4
unit" [ 56].
Installer reference guide
95