Bosch FPD-7024 User Manual download pdf (Page 15)

Device Quantity Standby

existing/device

Total

standby

Alarm existing/

device

Total alarm

D7053 MUX I/ O

Module Fire

0.70 mA 0.70 mA

Smoke Detectors

Bells, Horns, and

so on

Other Sensors

Other

Grand Total

Standby Existing

Grand Total

Alarm Existing

The 24 VDC existing requirements for the D7030X, FMR-7033 and D7035 are shown at 75%

of the 12 VDC level shown on the specification sheets for these models. The FPD-7024

regulates 24 VDC power from the battery to 12 VDC for these accessories.

Add 30 mA for each relay activated

Table 2.4: Standby battery capacity calculations

The units shown in the following table are Amp hours (Ah), and the calculations include a 20%

derating factor.

Grand Total Standby Existing (in amps)

Total Hours of Standby Required

(usually 24 or 60):

Total Standby Capacity (multiply CS x HS) TS= CS x HS

Grand Total Alarm Existing (in amps) CA

Total Hours of Alarm Time Required

(usually 0.083 o 0.25):

Total Standby Capacity (multiply CA x HA) TA= CA x HA

Total Capacity Required (add TA + TS): TC = TA + TS

Required Capacity with 20% Derating

(TC x 1.2)

C = TC x 1.2

Table 2.5: Required battery size calculation

Notice!

The required battery size to support the system can be calculated using the tables for Stand-

by load battery size, 16 and Alarm load battery size, 16.

Fire Alarm Control Panels Overview | en 15

Bosch Security System, Inc. Installation and Operation Manual 2012.08 | 04 | F01U008458

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 121 122

Comments to this Manuals

No comments

Bosch FPD-7024 User Manual Page 15

Comments to this Manuals

Related products and manuals for Fire protection Bosch FPD-7024