Operating & Maintenance Instructions 29
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© Honeywell - M450 001 1D - 23.05.2019
iii. Amount of Emergency Credit used by the Customer
iv. Amount of any Payment Based Debt (this is calculated as the payment base % of items i to iii)
Debt to clear amount is calculated every second and is available on the display.
17.7.6. Debt Collection Suspension Settings
Standing Charge and Debt 1 / 2 collections may be suspended in situations where the Contactor is Open and/or
Emergency Credit is in use.
The process flow behind the Debt Suspension Operation is shown in 34.8.
17.7.7. Suspend Debt Disabled
The Suspend Debt Disabled Configuration is used to suspend the collection of Standing Charge and Debt 1 / 2 depending
on the state of the Contactor.
Standing Charge and Debt Collection is suspended if the Contactor is Open and the Suspend Debt Disabled parameter
has been set to ‘On’.
Standing Charge and Debt Collection is not suspended if the Contactor is Open and the Suspend Debt Disabled
Parameter has been set to ‘Off’.
17.7.8. Suspend Debt Emergency
The Suspend Debt Emergency setting is used to suspend Standing Charge and Debt 1 / 2 collection depending on if
Emergency Credit is in operation or not.
Any Debt that should have been collected during the suspension period will be stored in the Accumulated Debt Register.
Standing Charge and Debt collection is suspended if the Emergency Credit Status is “in use” and the Suspend Debt
Emergency Parameter has been set to ‘On’.
Standing Charge and Debt Collection is not suspended if the Emergency Credit Status is “in use” and the Suspend Debt
Emergency Parameter has been set to ‘Off’.
18. LOAD LIMIT
The meter has a Load Limiting Function. This monitors Active Import Power against a Configurable Threshold and if it
remains above this threshold for a Configurable Period of Time then a Load Limit Event occurs.
When a Load Limit Event occurs, the following happens:
• Event Stored in the Event Log
• An indication of the Event is shown on the Display
• A count the number of the Event is incremented. This count can be reset by an appropriate command
• The meter Ignores the Non-Disconnect Calendar and Disables the Supply (by opening the contactor) where the
Load Limit Supply State is configured to require disablement, and then:
− Immediately Arms the Supply
− Enables the Supply after the ‘restoration time’ has been exceeded and sets the Load Limit Supply
State to unchanged
− Sends an Alert to the HAN
When operating in Prepayment Mode this will take presidency for Opening the Contactor.
Once the value for active power reaches 90% of the Load Limit Threshold the meter should trigger an audible alarm
(configurable during manufacturing only).
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