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14 Technical data
Installer reference guide
97
ERHQ+ERLQ011~016 + EHBH/X11+16CB
Daikin Altherma – Low temperature split
4P384974-1 – 2015.01
14.6
Wiring diagram
14.6.1
Wiring diagram: Outdoor unit
ERHQ_V3
Notes:
1
This wiring diagram applies only to the outdoor unit.
2
Symbols (see below).
3
Symbols (see below).
4
Refer to the option manual for connecting wiring to X6A.
5
Refer to the wiring diagram sticker (on the back of the service
cover) for how to use the BS1~BS4 and DS1 switches.
6
When operating, do not short-circuit protective device S1PH.
7
Colours (see below).
8
Refer to the service manual for instructions on how to set the
selector switches (DS1). The factory setting of all switches is
OFF.
9
Symbols (see below).
Symbols:
L
Live
N
Neutral
Field wiring
Terminal strip
Connector
Connector
Connection
Protective earth (screw)
Noiseless earth
Terminal
Option
Wiring dependent on model
Colours:
BLK
Black
BLU
Blue
BRN
Brown
GRN
Green
ORG
Orange
RED
Red
WHT
White
YLW
Yellow
Legend:
A1P
Printed circuit board (main)
A2P
Printed circuit board (inverter)
A3P
Printed circuit board (noise filter)
A4P
Printed circuit board
BS1~BS4
Push button switch
C1~C4
Capacitor
DS1
DIP switch
E1H
Bottom plate heater
E1HC
Crankcase heater
F1U, F3U, F4U
Fuse (T 6.3 A / 250 V)
F6U
Fuse (T 5.0 A / 250 V)
F7U, F8U
Fuse (F 1.0 A / 250 V)
H1P~H7P (A2P)
Light‑emitting diode (service monitor
orange)
H2P:
▪ Prepare, test: Flickering
▪ Malfunction detection: Light up