Problem display by blinker code
Display
Cause
Required action
E1
Communication error between outdoor component and indoor unit Contact specialist firm
E3
Liquefier fan controller faulty
Contact specialist firm
E5
Sensor evaporator temperature faulty / short-circuited
Contact specialist firm
E6
Sensor air circulation faulty / short-circuited or
sensor evaporator faulty / short-circuited
Contact specialist firm
H4
Operating limits of outdoor component or indoor unit
exceeded
Switch system off
P0
IGBT overvoltage protection
Contact specialist firm
P1
Undervoltage protection
Switch system voltage-free and switch on again
P2
Compressor overload protection
Contact specialist firm
P4
Power board IPM shutdown system
Contact specialist firm
Installation instructions for qualified personnel
Important points prior to
installation
■
Locate the unit in original
packaging as close as possible
to the installation point to avoid
transport damage.
■
Check the contents of the
packaging for completeness
and check the unit for visible
transport damage. Report
any damage immediately to
your contracting party and the
shipping company.
■
Lift the unit at the corners
and not on the refrigerant or
condensation connections
■
The refrigerant pipes
(injection and suction pipe),
valves and connections must be
insulated impervious to vapour
diffusion. If necessary, insulate
the condensation pipe also
■
Select an installation location
which allows air to freely
flow through the inlet and
outlet. (See section "Minimum
clearances").
■
Do not install the unit in
the immediate vicinity of
devices with intensive thermal
radiation. Installation near
sources of thermal radiation
reduces the unit output.
■
Open the blocking valves of the
refrigerant pipes only after the
installation is complete.
■
Seal off open refrigerant pipes
with suitable caps or adhesive
strips to avoid infiltration of
moisture and never kink or
compress the refrigerant pipes.
■
Avoid unnecessary bends
. This minimises the pressure
loss in the refrigerant pipes and
ensures that the compressor
oil can flow back without
obstruction.
■
Make special preparations
regarding the oil return if the
outdoor unit is located above
the indoor unit. (See section
"Oil return flow measures").
■
Add refrigerant if the basic
length of the refrigerant pipe
exceeds 5 metres.
For the quantity of additional
refrigerant, refer to chapter
"Add refrigerant".
■
Only use the union nuts for
the refrigerant pipes provided
in the delivery scope, and
remove them just shortly before
connecting them with the
refrigerant pipes.
■
Make all electrical connections
according to valid DIN and DE
regulations.
■
See electrical connection
diagram. Always attach
electrical cables properly in
electrical clamps. Otherwise a
fire could result.
REMKO MD
16
Содержание MD 261
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