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Specific installer safety instructions
Installer reference guide
19
ERRA08~12E + EL23E
Daikin Altherma 3 R MT F
4P708478-1 – 2023.05
WARNING
Some sections of the refrigerant circuit may be isolated from other sections caused
by components with specific functions (e.g. valves). The refrigerant circuit therefore
features additional service ports for vacuuming, pressure relief or pressurizing the
circuit.
In case it is required to perform
brazing
on the unit, ensure that there is no pressure
remaining inside the unit. Internal pressures need to be released with ALL the service
ports indicated on the figures below opened. The location is depending on model
type.
WARNING
▪
Only use R32 as refrigerant. Other substances may cause explosions and
accidents.
▪
R32 contains fluorinated greenhouse gases. Its global warming potential (GWP)
value is 675. Do NOT vent these gases into the atmosphere.
▪
When charging refrigerant, ALWAYS use protective gloves and safety glasses.
Electrical installation (see
WARNING
Make sure that the electrical wiring does NOT touch the refrigerant gas pipe, which
can be very hot.
a
a
Refrigerant gas pipe
DANGER: RISK OF ELECTROCUTION
WARNING
Electrical wiring connection method MUST be in accordance with the instructions
from:
▪
▪
The wiring diagram of the outdoor unit, which is delivered with the unit, located
at the inside of the service cover. For a translation of its legend, see
283].
▪
The wiring diagram of the indoor unit, which is delivered with the unit, located on
the inside of the indoor unit switch box cover. For a translation of its legend, see
"17.5 Wiring diagram: Indoor unit"
288].
WARNING
ALWAYS use multicore cable for power supply cables.
