Daikin FVXM25A2V1B, Installation Manual

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9 Commissioning
Installation manual
12
C FVXM25~50A
Split system air conditioners
3P477070-2M – 2021.09
9 Commissioning
NOTICE
ALWAYS operate the unit with thermistors and/or pressure
sensors/switches. If NOT, burning of the compressor might
be the result.
9.1 To perform a test run
Prerequisite: Power supply MUST be in the specified range.
Prerequisite: Test run may be performed in cooling or heating
mode.
Prerequisite: Test run should be performed in accordance with the
operation manual of the indoor unit to make sure that all functions
and parts are working properly.
1 In cooling mode, select the lowest programmable temperature.
In heating mode, select the highest programmable temperature.
Test run can be disabled if necessary.
2 When the test run is finished, set the temperature to a normal
level. In cooling mode: 26~28°C, in heating mode: 20~24°C.
3 The system stops operating 3 minutes after the unit is turned
OFF.
9.1.1 To perform a test run using the user
interface
1 Press to switch the system on.
2 Press the middle of and simultaneously.
3 Press twice to choose and confirm selection by pressing
.
Result: on the display indicates that the test run is selected. Test
run operation will stop automatically after about 30 minutes.
4 To stop operation sooner, press the ON/OFF button.
10 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.
11 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).
11.1 Wiring diagram
11.1.1 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.
Symbol Meaning Symbol Meaning
Circuit breaker Protective earth
Connection Protective earth (screw)
,
Connector
A
Rectifier
Earth Relay connector
Field wiring Short-circuit connector
Fuse Terminal
INDOOR
Indoor unit Terminal strip
OUTDOOR
Outdoor unit Wire clamp
Residual current
device
Symbol Colour Symbol Colour
BLK Black ORG Orange
BLU Blue PNK Pink
BRN Brown PRP, PPL Purple
GRN Green RED Red
GRY Grey WHT White
YLW Yellow
Symbol Meaning
A*P Printed circuit board
BS* Pushbutton ON/OFF, operation
switch
BZ, H*O Buzzer
C* Capacitor
AC*, CN*, E*, HA*, HE*, HL*,
HN*, HR*, MR*_A, MR*_B, S*, U,
V, W, X*A, K*R_*, NE Connection, connector
D*, V*D Diode
DB* Diode bridge
DS* DIP switch
E*H Heater
FU*, F*U, (for characteristics,
refer to PCB inside your unit) Fuse
FG* Connector (frame ground)
H* Harness
H*P, LED*, V*L Pilot lamp, light emitting diode
HAP Light emitting diode (service
monitor green)
HIGH VOLTAGE High voltage
IES Intelligent eye sensor
IPM* Intelligent power module
K*R, KCR, KFR, KHuR, K*M Magnetic relay
L Live