32
en | Specifications
2016.07 | 04 | F.01U.291.483
UL Installation Guide
Bosch Security Systens, Inc.
Battery Discharge/
Recharge Schedule
Discharge
Cycle
13.2 VDC – Charging float level.
12.0 VDC – Low Battery and AC Fail Reports if
programmed. Low Battery LED on.
10.2 VDC – Minimum operational voltage.
9.8 VDC – Battery load (operation continue if AC is
present).
Recharge Cycle AC ON – Load shed relay resets, battery charging
begins, Battery Trouble and AC Restoral Reports
sent.
12.6 VDC – Battery Restoral Report sent, Low
Battery LED off.
Environmental
Temperature:
+32
゚
F to +120
゚
F (0
゚
C to +49
゚
C)
Relative
Humidity:
Maximum 93% non-condensing
Compatible
Enclosures
D8103 Universal Enclosure (requires B12 mounting plate), D8108A
Attack Enclosure (requires B12 mounting plate), B10 Enclosure,
D8004 Transformer Enclosure, D2203 Enclosure, BATB-80 Enclosure,
BATB-40 Enclosure (requires B12 mounting plate), AE1, AE2
Enclosures
Tab. 5.4:
B520 Specifications
5.2
Terminal Wiring Requirements
Terminal
No
Terminal
Description
Requirements
1
AC
18 AWG min (up to 14 AWG max)
2
AC
18 AWG min (up to 14 AWG max)
3
+ AUX POWER
Terminal accommodates 14 to 22 AWG, use appropriate wire size based on current.
4
BATTERY -
Bosch supplied wire lead, included with panel.
5
B
Bosch supplied wire lead, included with panel.
6
OUTPUT A
Terminal accommodates 14 to 22 AWG, use appropriate wire size based on current.
7
OUTPUT B
Terminal accommodates 14 to 22 AWG, use appropriate wire size based on current.
8
OUTPUT C
Terminal accommodates 14 to 22 AWG, use appropriate wire size based on current.
9
COMMON
Terminal accommodates 14 to 22 AWG, use appropriate wire size based on current.
10
EARTH
GROUND
14 to 16 AWG
11
POINT 1
Terminal accommodates 14 to 22 AWG, use appropriate wire size based on loop
resistance less than 100 Ω.
12
POINT 1/2
COMMON
Terminal accommodates 14 to 22 AWG, use appropriate wire size based on loop
resistance less than 100 Ω.
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