Maintenance And Service; Disposal; Technical Data; Wiring Diagram - Daikin 2MXM40A2V1B9 Installation Manual

11 Maintenance and service

11 Maintenance and service
NOTICE
General maintenance/inspection checklist. Next to the
maintenance instructions in this chapter, a general
maintenance/inspection checklist is also available on the
Daikin Business Portal (authentication required).
The general maintenance/inspection
complementary to the instructions in this chapter and can
be used as a guideline and reporting template during
maintenance.
NOTICE
Maintenance MUST be done by an authorised installer or
service agent.
We recommend performing maintenance at least once a
year. However, applicable legislation might require shorter
maintenance intervals.
NOTICE
Applicable legislation on fluorinated greenhouse gases
requires that the refrigerant charge of the unit is indicated
both in weight and CO
2
Formula to calculate the quantity in CO
tonnes: GWP value of the refrigerant × total refrigerant
charge [in kg] / 1000
12

Disposal

NOTICE
Do NOT try to dismantle the system yourself: dismantling
of the system, treatment of the refrigerant, oil and other
parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for
reuse, recycling and recovery.
INFORMATION
To protect the environment, make sure to perform an
automatic pump down operation when relocating or
dismantling the unit. For the pump down procedure, refer
to the service manual or the installer reference guide.
13

Technical data

▪ A subset of the latest technical data is available on the regional
Daikin website (publicly accessible).
▪ The full set of latest technical data is available on the Daikin
Business Portal (authentication required).
13.1

Wiring diagram

The wiring diagram is delivered with the unit, located inside of
the outdoor unit (bottom side of the top plate).
13.1.1

Unified wiring diagram legend

For applied parts and numbering, refer to the wiring diagram on the
unit. Part numbering is by Arabic numbers in ascending order for
each part and is represented in the overview below by "*" in the part
code.
Installation manual
20
checklist
equivalent.
equivalent
2
Symbol Meaning
Circuit breaker
Connection
,
Connector
is
Earth
Field wiring
Fuse
Indoor unit
INDOOR
Outdoor unit
OUTDOOR
Residual current
device
Symbol Colour
BLK Black
BLU Blue
BRN Brown
GRN Green
GRY Grey
SKY BLU Sky blue
Symbol
A*P
BS*
BZ, H*O
C*
AC*, CN*, E*, HA*, HE*, HL*,
HN*, HR*, MR*_A, MR*_B, S*, U,
V, W, X*A, K*R_*, NE
D*, V*D
DB*
DS*
E*H
FU*, F*U, (for characteristics,
refer to PCB inside your unit)
FG*
H*
H*P, LED*, V*L
HAP
HIGH VOLTAGE
IES
IPM*
K*R, KCR, KFR, KHuR, K*M
L
L*
L*R
M*
M*C
M*F
M*P
M*S
Symbol Meaning
Protective earth
Protective earth (screw)
A
Rectifier
,
Relay connector
Short-circuit connector
Terminal
Terminal strip
Wire clamp
Symbol Colour
ORG Orange
PNK Pink
PRP, PPL Purple
RED Red
WHT White
YLW Yellow
Meaning
Printed circuit board
Pushbutton ON/OFF, operation
switch
Buzzer
Capacitor
Connection, connector
Diode
Diode bridge
DIP switch
Heater
Fuse
Connector (frame ground)
Harness
Pilot lamp, light emitting diode
Light emitting diode (service
monitor green)
High voltage
Intelligent eye sensor
Intelligent power module
Magnetic relay
Live
Coil
Reactor
Stepper motor
Compressor motor
Fan motor
Drain pump motor
Swing motor
2MXM40+50A9
R32 Split series
3P600450-8T – 2022.09