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(7) Notes on charge system
• If there is a group that is not set in the charge block, the electric power amount for that group will
not be included in the air-conditioning charge. If there are groups which require charging to be
divided, set those groups as operation blocks or charge blocks to accomplish this.
• The air conditioning charge can be calculated by block units or by power meter units. Note that
even when OA processing unit, LOSSNAY, A control unit or K control unit are included in the
block setting, they are not included in the air conditioning charge of the block unit.
• The function for Charge calculation (Without WHM connection) is only applicable to the indoor
unit. It does not apply to OA processing unit, LOSSNAY, A control unit, and K control unit, etc.
• Some older M-NET control indoor units are not compatible with the charge function.
• When the system is changed or the air conditioner is extended, which may require address
changes, the charge calculation may be affected in some cases.
Executing such changes or extensions are recommended after gaining approval from the
building owner(s).
(8) Charging (Billing) restrictions
The air conditioning cost calculation method use by this integrated software TG-2000A is the
Mitsubishi proprietary general electric power apportioning method. Thus, it is not calculated
using watt hour meters installed at the power supply to each unit. Additionally, it cannot be
employed in applications demanding calculations based on watt hour meters installed at each
unit. Thus when using this unit, we recommend a separate contract be established between the
building owner and the tenant that specifies “air conditioning fees will be collected based on
proportional usage (including special considerations for downtime).”
(9) Function description
• The function/specifications may partially change and improvements may be made without any
notice.
2.4 Other Devices
Other devices specified or recommended for use with the TG-2000A are listed below.
Name Manufacturer Model Notes
Printer (None specified) (None specified) Supports a page printer only
(Must run under the OS used
(Windows 2000/XP Professional).)
Watt hour meter
1 Northern Design
(Electronics) Ltd.
2 Elcomponent
Limited
3 CIRCUTOR
4 elcontrol energy
1 POWER RAIL 323 +
OPTION Module
2 AEM31D/485
3 CVM-BC-ITF-RS485-
C2
4 ED39din 485
Only supports RS-
485 output of
the specified model and
manufacturer
RS-232C/
RS-485
converter
(None specified) (None specified)
Necessary when measuring the
electric power.
Ex) B&B Electronics Model
485DRJ
Black Box Model IC520A-
F or
IC108A
* Regarding w
att hour meter 2,
the converter from the manu-
facturer may also emit light.
UPS
(Uninteruptable
power supply)
(None specified) (None specified)
Installation is recommended to
prevent destruction or loss of
billing (Charge data) and other
data. (Any type suitable for
use
with personal computers)