Fujitsu AJ 126LELDH Series Design & Technical Manual page 965

• When electricity meter used is specified by pulse constant
The connection configuration is shown below.
Pulse constant
reference point
3ø or 1ø
1ø
Pulse constant
reference point
For the electricity meter specified by pulse constant, the power consumption indicated by output
pulse must be corrected by VT/CT ratio. In this case, the settings are as follows:
Set point Set item
Set in accordance
Electricity
with the product
meter
manual.
Meter no. setting
Outdoor
unit
Electricity meter
pulse setting
Electricity meter
system setting
System
controller
Pulse setting
*: Input up to 6 decimal digits
[Setting example]
Equipment conditions:
VT ratio=1 (not used), CT ratio=500(2500/5 A), electricity meter=3,200 pulse/kWh
Set value:
Electricity meter pulse setting=6 (3200/ [1 × 500]), Pulse setting=0.9375 (6 × [1 × 500]/3200) For
details, refer to the calculating formula of the table above.
2-30. Electricity charge apportionment setting (System controller, Touch panel
controller)
Electricity meter
Pulse
transmission
line
to CN135
Measurement
VT
line
(PT)
CT
VT
Measurement
(PT)
line
Electricity meter
Pulse transmission line
Set value
When there is a product unique
setting, setting is performed in
— accordance with the product
manual. (Pulse constant value,
output coefficient, etc.)
Set an unique electricity meter no.
Arbitrary
for electricity meter identification.
Set the approximate number of
The pulse
power meter pulses that are
constant value /
equivalent to 1 kWh.
(VT ratio × CT
When set number of pulses come
ratio). However,
from the electricity meter, the
truncated after
outdoor unit communicates "1" to
the decimal point
the system controller.
Set the outdoor unit and indoor
Units measured
unit, measured by the electricity
by electricity
meter of the meter no. set at the
meter
outdoor unit.
(Electricity meter
pulse setting Set the standard number of kWh for
value) × (VT ratio the value communicated from the
× CT ratio) / outdoor unit.
pulse constant Set the number of kWh that
Values after the corresponds to the "1"
decimal point communicated from the outdoor
must be also unit.
input.*
- (07-169) -
Outdoor unit
Power cable
Indoor unit
Transmission line (VRF Network)
Description
System controller
to CN135
Remarks
The information will
become necessary
when setting
System controller
later. Refer also to
"Setting on outdoor
unit PCB" on page
07-67.
The value set by
each outdoor unit is
used.
Refer to the value
set by each outdoor
unit.
2. Function settings