Wiring Diagram; Wiring Diagram: Outdoor Unit - Daikin ERHQ011BAV3 Installation Manual

6.2

Wiring diagram

6.2.1

Wiring diagram: Outdoor unit

The wiring diagram is delivered with the unit, located at the inside of
the service cover.
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 and
X77A.
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~A4P Printed circuit board
BS1~BS4 Push button switch
C1~C4 Capacitor
DS1 DIP switch
E1H Bottom plate heater
E1HC Crankcase heater
F1U~F8U ▪ F1U, F3U, F4U: Fuse (T 6.3 A /
250 V)
(ERHQ_V3 + ERLQ_V3)
▪ F6U: Fuse (T 5.0 A / 250 V)
▪ F7U, F8U: Fuse (F 1.0 A / 250 V)
ERHQ+ERLQ011~016
Outdoor unit for air to water heat pump
4P385894-1 – 2015.05
F1U~F9U ▪ F1U, F2U: Fuse (31.5 A / 500 V)
(ERHQ_W1 + ERLQ_W1) ▪ F3U~F6U: Fuse (T 6.3 A / 250 V)
▪ F7U: Fuse (T 5.0 A / 250 V)
▪ F8U, F9U: Fuse (F 1.0 A / 250 V)
H1P~H7P (A2P) Light‑emitting diode (service monitor
orange)
(ERHQ_V3 + ERLQ_V3)
H2P:
▪ Prepare, test: Flickering
▪ Malfunction detection: Light up
H1P~H7P (A1P) Light‑emitting diode (service monitor
orange)
(ERHQ_W1 + ERLQ_W1)
HAP (A1P) Light‑emitting diode (service monitor
green)
(ERHQ_V3 + ERLQ_V3)
HAP (A1P, A2P) Light‑emitting diode (service monitor
green)
(ERHQ_W1 + ERLQ_W1)
K1M, K2M Magnetic contactor
(ERHQ_W1 + ERLQ_W1)
K1R~K4R Magnetic relay
K10R, K11R Magnetic relay
(ERHQ_V3 + ERLQ_V3)
L1R~L4R Reactor
M1C Motor (compressor)
M1F Motor (upper fan)
M2F Motor (lower fan)
PS Switching power supply
Q1DI Earth leakage circuit breaker (field
supply)
R1~R4 Resistor
R1T Thermistor (air)
R2T Thermistor (discharge)
R3T Thermistor (suction)
R4T Thermistor (heat exchanger)
R5T Thermistor (heat exchanger middle)
R6T Thermistor (liquid)
R7T Thermistor (fin)
(ERHQ_W1 + ERLQ_W1)
R10T Thermistor (fin)
(ERHQ_V3 + ERLQ_V3)
RC Signal receiver circuit
(ERHQ_V3 + ERLQ_V3)
S1NPH Pressure sensor
S1PH High pressure switch
TC Signal transmission circuit
(ERHQ_V3 + ERLQ_V3)
V1R Power module
(ERHQ_V3 + ERLQ_V3)
V1R, V2R Power module
(ERHQ_W1 + ERLQ_W1)
V2R, V3R Diode module
(ERHQ_V3 + ERLQ_V3)
V3R Diode module
(ERHQ_W1 + ERLQ_W1)
V1T Insulated gate bipolar transistor (IGBT)
(ERHQ_V3 + ERLQ_V3)
6 Technical data
Installation manual
11