MITSUBISHI ELECTRIC TG-2000A - Manual (Page 91)

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c . Check to see if the total of the division results of all the indoor units matches the total of the watt
hour meter.
Because division errors occur, a difference less than (the number of blocks × 0.1) kWh is
deemed OK.
If the difference exceeds (the number of blocks × 0.1) kWh then check the following settings and
rectify the problem.
• Charge block setting (block setting)
• Outdoor unit to watt hour meter relationship
• Indoor unit to watt hour meter relationship
d. Check that the standard charge portion is included in the block settlement amount of the
settlement results.
Block settlement amount = (total of block indoor units division electric amount totals) × charge
unit + standard charge
Because settlement errors occur, a difference less than number of blocks × minimum exchange
unit is deemed OK.
When the difference exceeds (number of blocks × minimum exchange unit) then check the
following settings and rectify the problem.
• Charge block setting (block setting)
• Standard charge setting
To make the check sheets easy to read, allocate 1 check sheet page for each installation floor unit or
G-50A unit.
(8) Change to actual operation setting
After the charging test run check is completed, restore the regular field settings.
Note:
• Only judgment standard d can be recalculated and rechecked.
Maintenance Tip:
• After the charging test run check, check the result of the print out of the settlement day
calculation for day 1.
• If the system is modified, always check the calculation results of the next settlement day or
one day after the change and 10 days after the change.
N o t e :
• During charging test run, set the items shown below to the test run value. Set them to the
value to be used.
Charge setting, standard charge setting, settlement date setting