Maintenance - Johnson Controls S300 Series Hardware Installation Manual

S300-DIN-S
Model Number Description
S300-BAT-2.8AH Optional backup
battery
S300-DIN-PA1 Parts accessory kit Contains a DC power harness, a lock, a tamper
E
NVIRONMENTAL
The following general specifications apply to the system components:
Item
Ambient temp. 32 to 122 °F (0 to 50° C)
Humidity 20% to 80% non-condensing
Ventilation Cabinets require free movement of air over all exposed surfaces.
M
AINTENANCE
This section describes maintenance and troubleshooting procedures.
 To properly maintain the equipment:
Periodically: check the continuity of the grounding unit.

Monthly: Test the operation of the power supply unit.

Every 3 years: replace the lead-acid backup batteries, if installed.

 To check the backup battery operation (if installed):
1. Disable primary AC input voltage to the enclosure.
2. Verify that the DIN-mounted device installed in the enclosure continues to
operate.
3. Reapply primary AC voltage to the enclosure.
 To replace the backup battery:
1. Ensure that AC power is supplied to the cabinet.
2. Disconnect battery cable leads from battery terminals; note the polarity
connections. Do not allow the leads to short or touch the case ground.
24-10239-359 Rev. C
This document contains confidential and proprietary information of Johnson Controls
© 2017 Johnson Controls
12V, 2.8Ah battery.Two backup batteries are used
per enclosure to provide 24 VDC. Minimum 1 1/2
hours sustained operation in S300-DIN-S at full
load.
Dimensions: 5.24x3.82x1.3 in (13.3x9.7x3.3 cm)
switch, and two spare connectors (3-position and
4-position).
S
PECIFICATIONS
Specification
Hardware Installation
Specification
13