8 Relocation
Installation and operation manual
12
LREN8~12A7 + LRNUN5A7
CO
₂
ZEAS outdoor unit and capacity up unit
4P704141-1B – 2022.12
7.1
Error codes: Overview
For your reference, a list with malfunction codes is provided. In case
a malfunction code appears, contact your installer to inform him of
the malfunction code and ask for advice.
Code
Cause
Solution
Electric leakage
Restart the unit. If the
problem reoccurs, contact
your dealer.
The stop valve of an
outdoor unit is left closed.
Open the stop valve on
both the gas and liquid
side.
The stop valve of an
outdoor unit is left closed.
Open the stop valve on
both the gas and liquid
side.
The air passage is blocked. Remove obstacles that
block the passage of air to
the outdoor unit.
Lost phase in power
supply.
Check the connection of
the power supply cable.
Insufficient supply voltage
Check if the supply voltage
is supplied properly.
Communication error
between the capacity up
unit and the outdoor unit.
Check the connection of
the communication cables
upstream between the
capacity up unit and
outdoor unit. (Error
displayed on the capacity
up unit.)
Code
Cause
Solution
Communication error
between the capacity up
unit and the outdoor unit.
Check the connection of
the communication cables
upstream between the
capacity up unit and
outdoor unit. (Error
displayed on the outdoor
unit.)
Refer to the service manual for other malfunction codes.
If no malfunction code is displayed, check if:
▪ power of indoor unit is turned on,
▪ user interface wiring is broken or incorrectly wired,
▪ fuse on PCB has melted.
8
Relocation
Contact your dealer to remove and reinstall the entire unit. Moving
units requires technical expertise.
9
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.
For the installer
10
About the box
Keep the following in mind:
▪ At delivery, the unit MUST be checked for damage and
completeness. Any damage or missing parts MUST be reported
immediately to the claims agent of the carrier.
▪ Bring the packed unit as close as possible to its final installation
position to prevent damage during transport.
▪ Prepare in advance the path along which you want to bring the
unit to its final installation position.
10.1
Outdoor unit
WARNING
A CO
2
detector is ALWAYS recommended during storage
and transport.
"Label about maximum storage temperature"
10.1.1
To transport the pallet
▪ A forklift can be used for transport as long as the unit remains on
its pallet.
1
Transport the outdoor unit as shown in the figure below.
a
b
a
Outdoor unit
b
Capacity up unit
NOTICE
Use filler cloth on the forklift arms to prevent damage to the
unit. Damage to the painting of the unit decreases the anti-
corrosion protection.
10.1.2
To unpack the outdoor unit
1
Remove the packaging material from the unit. Take care not to
damage the unit when removing the shrink foil with a cutter.
