Daikin EBLA16D V3 - To Connect the Backup Heater Power Supply

6 Electrical installation
Installation manual
25
EBLA09~16D + EDLA09~16D
Daikin Altherma 3 M
4P620239-1B – 2022.05
6 5
X2M
4 Connect the preferential power supply contact.
X5M.10
X5M.9
S1S
9 10
X5M
5 In case of a separate normal kWh rate power supply,
disconnect X11Y from X11YA, and connect X11Y to X11YB.
X19A
X1A
X11YB
X11YAX11Y
X19A
X1A
X11YBX11Y
X11YA
6 Fix the cables with cable ties to the cable tie mountings.
6.3.3 To connect the backup heater power
supply
This topic is only applicable in case of models with integrated
backup heater. For instructions in case of an external backup heater
kit, see "6.3.4External backup heater kit"[426].
Backup heater
type
Power supply Wires
*3V 1N~ 230V 2+GND
[9.3] Backup heater
WARNING
The backup heater MUST have a dedicated power supply
and MUST be protected by the safety devices required by
the applicable legislation.
CAUTION
To guarantee the unit is completely earthed, ALWAYS
connect the backup heater power supply and the earth
cable.
Connect the power supply of the backup heater as follows:
1 Open the service cover. See "4.3.1 To open the outdoor
unit"[417].
2 Connect the power supply cable (including earth) to the
appropriate terminals as shown in the illustration below.
1N~, 50 Hz
230 V AC
Q1DI
1
2
X9M.L X9M.N X9M.PE
3
4
F1B
I I
L N
X6M
F1B Overcurrent fuse (field supply). Recommended fuse:
2‑pole; 16A; curve 400V; tripping class C.
Q1DI Earth leakage circuit breaker (field supply)
X6M Terminal (field supply)
PE L N
X9M