Alarm Connections - La Marche ULTRA SERIES Installation And Operation Manual

3.4

Alarm Connections

The Ultra series charger is equipped with a
single set of Form C dry type relay contacts
(30V DC & 2A) for each alarm.
The charger has 5 different alarm relays.
 Charger Fail
 AC Fail
 Low DC Voltage
 High DC Voltage
 Summary alarm
Refer to Table-4 for alarm relay wiring and
logic information.
Refer to image on the right for using proper
tool to make the alarm connections.
Alarm Relays Logic
ALARM
CHARGER FAIL
AC FAIL
LOW DC VOLTAGE
HIGH DC VOLTAGE
SUMMARY ALARM
INPUT/OUTPUT PROTECTION:
AC Input Fuses: The Ultra Series charger is equipped with two AC input fuses.
DC Output Fuse: The Ultra Series charger is equipped with one DC output fuse.
Refer to unit specifications (Section 7) for fuse size information.
Installing dry contacts signal cables
1 – White Contact plate; 2- Dry Contact
PIN # CONTACTS
4/5/6 NC/C/NO
7/8/9 NC/C/NO
10/11/12 NC/C/NO
13/14/15 NC/C/NO
16/17/18 NC/C/NO
Table 4 – Alarm Relay Logic
Figure 5 – Alarm Connections
ALARM RELAY LOGIC
DE-ENERGIZE ON FAIL
DE-ENERGIZE ON FAIL
DE-ENERGIZE ON FAIL
ENERGIZE ON FAIL
DE-ENERGIZE ON FAIL
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