3
1
9
•
Heating • Daikin Altherma flex type
17
•
Outdoor Unit • Daikin Altherma flex type• EMRQ-A
9
Wiring diagrams
9 - 1 Wiring Diagrams - Single Phase
1TW59926-2
EMRQ8-12A
A1P
∼
A8P
Printed circuit board
A1P: Main
A5P: Inverter
A2P: Sub 1
A6P, A7P: Fan
A3P: Sub 2
A8P: Current sensor
A4P: Noise filter
BS1
∼
BS5
Push button switch (Mode, set, return, test, reset)
C1, C63, C66
Capacitor
E1HC, E2HC
Crankcase heater (A1P, A3P)
F1U, F2U
Fuse (T, 3.15A, 250V) (A1P, A3P)
F1U
Fuse (T, 3.15A, 250V) (A2P)
F1U
Fuse (8A, DC650V) (A6P, A7P)
F5U
Field fuse
F400U
Fuse (T, 6.3,250V)
H1P
∼
H8P
Pilot lamp (service monitor-orange)
[H2P] Prepare test----Flickering
Malfunction detection----Light up
HAP
Pilot lamp (Service monitor green) (A1P A2P A3P)
K1
∼
K4
K1: Magnetic relay
K3: Magnetic relay
K2: Magnetic contactor (M1C)
K4: Magnetic contactor (M1C)
K1R
∼
K8R, K11R
Magnetic relay
K1R: Y4S (A2P)
K5R: For option (A2P)
K1R: K2M (A3P)
K5R Y9S (A3P)
K2R: Y5S
K6R: Y7S
K3R: Y1S (A1P)
K7R: E1HC (A1P)
K3R: Y6S (A2P)
K8R: E2HC (A3P)
K4R: Y8S
K11R: Y3S (A1P)
K5R: Y2S (A1P)
K11R: Y10S (A3P)
L1R
Reactor
M1C, M2C
Motor (Compressor)
M1F, M2F
Motor (Fan)
PS
Switching power supply (A1P, A3P, A5P)
Q1DI
Earth leakage breaker
Q1RP
Reverse phase detection circuit (A1P, A3P)
R10
Resistor (current sensor) (A6P, A7P)
R50, R59
Resistor
R90
Resistor (current sensor)
R95
Resistor (current sensor) (A6P, A7P)
R95
Resistor (current limiting)
R1T
∼
R15T
R31T, R32T
Thermistor
R1T: Air (A1P)
R8T: Suction 1
R1T: Fin (A5P)
R9T: Liquid
R2T: H/E gas 1
R10T: Suction 2
R31T: M1C Discharge
R11T: H/E gas 2
R32T: M2C Discharge
R12T: H/E deicer 2
R4T: H/E deicer 1
R13T: Subcool H/E gas 2
R5T: Subcool H/E gas 1
R14T: Liquid 2
R6T: Subcool H/E Liq
R15T: H/E Liquid 2
R7T: H/E Liquid 1
S1NPH
Pressure sensor (high)
S2NPL
Pressure sensor (Pressure sensor (low))
S1PH, S2PH
Pressure switch (high)
T1A
Current sensor
SD1
Safety devices input (A1P, 3AP)
V1R
Diode bridge (A5P)
Power module (A6P,A7P)
V2R
Power module
X1A
∼
X9A
Connector
Male connector RED
Female connector WHT
Female connector WHT
Male connector RED
(Note 5) Indoor
To
in/d
unit
To
out/d
unit
To
multi
unit
(Note 4)
Male connector BLU
Female connector WHT
Female connector WHT
Male connector BLK
(Note 4)
POWER
SUPPLY
3/N
∼
380-415V 50Hz
El. Compo. Box 2
El. Compo. Box 1
Front layer
Rear layer
Position of M1,2C, M1,2F
El. Compo. Box 2 El. Compo. Box 1
Outer shell
Wiring diagram
sticker
Detail of M1C, M2C
Notes:
1 This wiring diagram only applies to the outdoor unit
2
g
: Field wiring
3
D
: Terminal strip
F
: Fixed connector
R
: Protective earth (screw)
G
: Terminal
4 When using the option adaptor, refer to the installation manual
5 Refer to the installation manual for connection wiring to indoor - outdoor unit transmission F1-F2 and
how to use BS1-BS5
6 Do not operate the unit by short-circuiting any protection device S1Ph, S2PH.
7 BLK = Black
RED = Red
YLW = Yellow
WHT = White
PNK = Pink
BRN = Brown
GRY = Grey
GRN = Green
ORG = Orange
BLU = Blue
8,10,12 HP
To multi
unit
X1M
Terminal strip (Power supply)
X1M
Terminal (Control) (A1P,A3P)
X2M
Terminal strip (Relay)
Y1E
Electronic expansion valve (Main 1)
Y2E
Electronic expansion valve (Subcool 1)
Y3E
Electronic expansion valve (Main 2)
Y4E
Electronic expansion valve (Charge)
Y5E
Electronic expansion valve (Subcool 2)
Y1S
∼
Y10S
Solenoid valve
Y1S: RMTG
Y6S: RMTT
Y2S: 4 way valve
Y7S: RMTO
Y3S: RMTL
Y8S: 4 way valve (pipe)
Y4S: hot gas
Y9S: 4 way valve (H/E 2)
Y5S: EV Bypass 1
Y10S: EV Bypass 2
Z1
∼
Z8C
Noise filter (Ferrite core)
Z1F
Noise filter (with surge absorber)
Connector for optional parts
X7A
Refer to the installation manual for connection wiring to indoor -
outdoor unit transmission F1-F2 and how to use BS1-BS5 (A2P)
X9A
Power supply (Adapter) (A2P)
X37A
Power supply (Adapter) (A3P)
