12
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Commissioning
Installer reference guide
239
ERRA08~12E + EL23E
Daikin Altherma 3 R MT F
4P708478-1 – 2023.05
The following
field wiring
has been carried out according to this document and the
applicable legislation:
▪
Between the local supply panel and the outdoor unit
▪
Between indoor unit and outdoor unit
▪
Between the local supply panel and the indoor unit
▪
Between the indoor unit and the valves (if applicable)
▪
Between the indoor unit and the room thermostat (if applicable)
The system is properly
earthed
and the earth terminals are tightened.
The
fuses
or locally installed protection devices are installed according to this document,
and have NOT been bypassed.
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.
Backup heater circuit breaker
F1B (field supply) is turned ON.
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.
There is NO
water leak
inside the indoor unit.
The
shut-off valves
are properly installed and fully open.
The
stop valves
(gas and liquid) on the outdoor unit are fully open.
The
air purge
valve is open (at least 2 turns).
The following
field piping
on the cold water inlet of the DHW tank has been carried out
according to this document and the applicable legislation:
▪
Non-return valve
▪
Pressure reducing valve
▪
Pressure relief valve (and it purges clean water when opened)
▪
Tundish
▪
Expansion vessel
The
pressure relief valve
(space heating circuit) purges water when opened. Clean water
MUST come out.
The
minimum water volume
is guaranteed in all conditions. See "To check the water
volume and flow rate" in
97].
The
domestic hot water tank
is filled completely.
12.4 Checklist during commissioning
The
minimum flow rate
during backup heater/defrost operation is guaranteed in all
conditions. See "To check the water volume and flow rate" in
97].
To perform an
air purge
.
To perform a
test run
.