10 Commissioning
Installation manual
15
50A
R32 Split series
3P600450-5L – 2021.12
9.3.1
To turn ON heat mode lock
1
Remove the top plate (2 screws) and the front plate (8 screws).
2
To set heat mode lock remove the S99 connector.
3
To reset the heat pump mode (cooling/heating), plug the
connector back.
2×
b
c
a
8×
a
Front plate
b
Top plate
c
S99 connector
Mode
S99 connector
Heat pump (cooling, heating)
Connected
Heating only
Disconnected
4
Reinstall the top plate and the front plate.
INFORMATION
Forced operation is also available in heating mode.
9.4
About standby electricity saving
function
The standby electricity saving function:
▪ turns OFF the power supply to the outdoor unit and,
▪ turns ON the standby electricity saving mode on the indoor unit.
The standby electricity saving function works with following units:
FTXM
,
FTXP
,
FTXJ
,
FVXM
,
ATXF
If another indoor unit is used, the connector for standby electric
saving MUST be plugged in.
The standby electricity saving function is turned OFF before
shipping.
9.4.1
To turn ON standby electricity saving
function
Prerequisite:
The main power supply MUST be turned OFF.
1
Remove the service cover.
2
Disconnect the selective standby electricity saving connector.
3
Turn ON the main power supply.
10
Commissioning
NOTICE
General
commissioning
checklist.
Next
to
the
commissioning instructions in this chapter, a general
commissioning checklist is also available on the Daikin
Business Portal (authentication required).
The general commissioning checklist is complementary to
the instructions in this chapter and can be used as a
guideline and reporting template during the commissioning
and hand-over to the user.
NOTICE
ALWAYS operate the unit with thermistors and/or pressure
sensors/switches. If NOT, burning of the compressor might
be the result.
10.1
Checklist before commissioning
1
After the installation of the unit, check the items listed below.
2
Close the unit.
3
Power up the unit.
The
indoor unit
is properly mounted.
The
outdoor unit
is properly mounted.
The system is properly
earthed
and the earth terminals
are tightened.
The
power supply voltage
matches the voltage on the
identification label of the unit.
There are NO
loose connections
or damaged electrical
components in the switch box.
There are NO
damaged components
or
squeezed
pipes
on the inside of the indoor and outdoor units.
There are NO
refrigerant leaks
.
The
refrigerant pipes
(gas and liquid) are thermally
insulated.
The correct pipe size is installed and the
pipes
are
properly insulated.
The
stop valves
(gas and liquid) on the outdoor unit are
fully open.
Drainage
Make sure drainage flows smoothly.
Possible consequence:
Condensate water might drip.
The indoor unit receives the signals of the
user interface
.
The specified wires are used for the
interconnection
cable
.
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