To Connect The Backup Heater To The Main Unit - Daikin ETSXB16E7 Installation Manual

6 Electrical installation
X6M
SWB2
*3V (3V: 1N~ 230 V)
*6V (6V: 1N~ 230 V)
*9W (3N~ 400 V)
Model (power Connections to backup heater power
supply)
X6M
*3V (3V: 1N~ 230 V)
SWB2
F1B
20A
Q1DI
1N~, 50 Hz
230 V AC
Installation manual
20
X6M
SWB2
F1B
1
3
20A
I I
2 4
Q1DI
1N~, 50 Hz L N
230 V AC
supply
1 3
I I
2 4
L N
Model (power Connections to backup heater power
supply)
X6M
*6V (6V: 1N~ 230 V)
SWB2
F1B
32A
Q1DI
1N~, 50 Hz
230 V AC
X6M
*9W (3N~ 400 V)
SWB2
F1B
20A
Q1DI
3N~, 50 Hz
400 V AC
F1B Overcurrent fuse (field supply). Recommended fuse:
tripping class C.
Q1DI Earth leakage circuit breaker (field supply)
SWB Switch box
X6M Terminal (field supply)
6.3.4 To connect the backup heater to the main
unit
Wires: The connection cables are already connected to the
option backup heater EKECBU*.
[9.3] Backup heater
1 Open the following (see "4.2.1 To open the indoor
1 User interface panel
2 Switch box
3 Switch box cover
4 Top cover
2 Connect both connection cables from the backup heater
EKECBU* to the appropriate connectors as shown in the
illustration below.
supply
1 3
I I
2 4
L N
1 3 5
I I I
2 4 6
L1 L2 L3 N
unit" [ 4 8]):
ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
4P679468-1B – 2022.09
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3
2
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