Honeywell H-S81-HS Manual

Also see for H-S81-HS: Operation manual

Contents

Honeywell H-S81-HS Manual Manual pdf 18 page image

Safety Bus Manual — P/N LS10177-000HI-E:B 02/21/2019 18Local Power Supplies Introduction2.8.2 Calculating Battery CapacityIn accordance with European and US standards, the operation time without a primary power is:• Standby = 24 hrs.• Alarm* = 5 minutes (0.083 hrs.)*Note: If releasing service is employed by the panel, one (1) additional minute of alarm in addition to the releasing loads must be taken intoconsideration.Use the table below to calculate the battery capacity to use.• Calculate the battery capacity in standby (A4)[Ah]=(A3) x 24 [Hours].• Calculate the battery capacity in alarm (B4)[Ah]=(B3) x 0,083 [Hours].• Calculate the total battery capacity [Ah]=A4+B4.• Multiply the total capacity by a derating factor of 1.2.• The product of the multiplication indicates the minimum required battery capacity.• Select a type of battery with a capacity that is equal to or greater than the one calculated.Total System Standby Current= (A3) Ax Standby Time 24 HoursStandby Battery Capacity= (A4) AhTotal Alarm Current= (B3) Ax Alarm Time 0.083 HoursAlarm Battery Capacity= (B4) AhTotal Calculated Battery Capacity= A4+B4 Ahx Derating Factor= 1.2Battery Size Needed= C AhTable 2.3 Calculating Battery Size