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Technical data
Installer reference guide
275
EPRA08~W1 + ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH₂O
4P663478-1 – 2021.07
2
Colours:
BLK
Black
RED
Red
BLU
Blue
WHT
White
GRN
Green
YLW
Yellow
PNK
Pink
ORG
Orange
GRY
Grey
BRN
Brown
3
This wiring diagram applies only to the outdoor unit.
4
When operating, do not short-circuit protective devices Q1, S1PH and
S2PH.
5
Refer to the combination table and the option manual for how to connect
the wiring to X5A
(a)
, X77A
(a)
, X41A and X2M.
6
The factory setting of all switches is OFF, do not change the setting of the
selector switch (DS1).
7
Ferrite core Z8C consists of 2 separate core parts.
(a)
(a)
Only for *W1 models.
Legend in case of W1 models:
A1P
Printed circuit board (main)
A2P
Printed circuit board (noise filter)
A4P
Printed circuit board (ACS)
BS1~BS3 (A1P)
Push button switch
C1~C7 (A1P)
Capacitor
DS1 (A1P)
DIP switch
E1H
Drain tube heater (field supply)
E1HHEX
Plate heat exchanger heaters
F1U
Field fuse (field supply)
F1U~F4U (A2P)
Fuse (T 6.3 A / 250 V)
F5U (A1P)
Fuse (T 5.0 A / 250 V)
H1P~H7P (A1P)
Light-emitting diode (service monitor is orange)
HAP (A1P)
Light-emitting diode (service monitor is green)
K1R (A1P)
Magnetic relay (Y1S)
K1R (A4P)
Magnetic relay (E1HHEX)
K2R (A1P)
Magnetic relay (Y2S)
K2R (A4P)
Magnetic relay (E1H)
K3R (A1P)
Magnetic relay (Y3S)
Summary of Contents for Altherma 3 H MT ECH2O
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