Fujitsu AJ 126LELDH Series - Page 964

• When electricity meter used is specified in pulse units
The connection configuration is shown below.
Pulse unit
reference
point
Measurement
line
Measurement
line
Pulse
transmission
line
Pulse transmission line
CT
VT
(PT)
3ø or 1ø
1ø
VT
(PT)
System controller
Transmission line (VRF network)
Outdoor unit
Indoor unit
Power cable
Electricity meter
Electricity meter
to CN135
to CN135
For the electricity meter specified in pulse units, the output pulses are normalized in advance (nor-
mally 1 kWh/pulse) and is output. In this case, the settings are as follows:
Set point Set item Set value Description Remarks
Electricity
meter
Set in accordance
with the product
manual.
—
When there is a product unique
setting, setting is performed in
accordance with the product
manual. (Pulse units value, VT/CT
ratio, output coefficient, etc.)
Outdoor
unit
Meter no. setting Arbitrary
Set an unique electricity meter no.
for electricity meter identification.
The information will
become necessary
when setting
System controller
later. Refer also to
"Setting on outdoor
unit PCB" on page
07-67.
Electricity meter
pulse setting
1
Fixed to “1”.
When 1 pulse comes from the
electricity meter, the outdoor unit
communicates “1” to the System
controller.
System
controller
Electricity meter
system setting
Units measured
by electricity
meter
Set the outdoor unit and indoor
unit, measured by the electricity
meter of the meter no. set at the
outdoor unit.
The value set by
each outdoor unit is
used.
Pulse setting
Electricity meter
pulse units value
(Usually either of
1, 10, or 100
[kWh/ pulse])
Set the pulse units specified by the
electricity meter as they are.
Set the number of kWh that
corresponds to the “1”
communicated from the outdoor
unit.
Refer to the value
set by each outdoor
unit.
[Setting example]
Equipment conditions:
VT ratio=1 (not used), CT ratio=50 (250/5 A), electricity meter=1 kWh/pulse
Set value:
Electricity meter pulse setting=1 (fixed), pulse setting=1 (corresponds to electricity meter used)
2-30. Electricity charge apportionment setting (System controller, Touch panel
controller)
- (07-168) - 2. Function settings
FUNCTION SETTINGS FUNCTION SETTINGS