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Power Support System I.
Model Numbers
None
28.2VAC
10A
160Ah
12.0A
24VDC
NPL-24120-B04-UL
01518
None
17.5VAC
5.0A
160Ah
12.0A
12VDC
NPL-12120-B04-UL
01517
Battery
Storage in
Cabinet
XFMR
Voltage
Maximum
AC Input
Current
Maximum
Battery
Capacity
System
Current
System
Voltage
Model Number
Item
Number
UL1481 - Power Supply/Battery Charger, Guide UTRZ
Power Supply/Battery Charger for use with Listed devices shown in Addendum "A".
UL294 - Access Control Systems Unit Accessory, Guide ALVY
Power Supply/Battery Charger for Access Control Applications
* UL Listed Products comply with NFPA 72 - National Fire Alarm Code, and are CSFM Listed
#7315-1214:102 and NY MEA Accepted #MEA 14-93-E
II.
Installation Instructions
1. Mount cabinet per mechanical dimensions and knockout locations given in Section III.
2. Connect 120VAC, 60Hz., single phase to the black and white leads of the transformer in
accordance with Article 725 and/or Article 760 of the National Electrical Code.
3. Low Volt AC Input - Connected to secondary winding of the transformer.
v
Fused at 30 Amps (Fuse Type AGC-30)
4. Verify output voltage at "DC Output" and "Battery" terminals.
12V system measures approximately 13.8VDC.
24V system measures approximately 27.6VDC.
5. Connect battery set to "Battery" terminals.
CAUTION: Observe polarity; incorrect polarity will destroy battery fuse.
Fused at 30 Amps (Fuse Type AGC-30).
Recommended battery type - Power Sonic (PS Series) or YUASA (NP Series) lead acid/gel cell.
6. Connect "System DC" to input of user system.
CAUTION: Observe polarity; incorrect polarity may damage user system.
Refer to Section I for Maximum Allowable System Current.
7. Visual Indicators:
AC Presence LED1:
Green LED
System OK LED2:
Green LED
Slave Power LED1:
Green LED
8. Connect "Fault Output" to system fault annunciation.
Form "C" Relay Contacts rated at 1 Amp @ 24VDC Resistive.
Relay Contacts labeled in the non-operational (fault) condition.
Fail-safe; active until an actual fault condition.
9. Fault Conditions:
Low AC / No AC / Blown AC Fuse / High or Low Battery / Blown Battery Fuse
CAUTION: Fault condition reporting may be delayed dependent on power supply loading.
The battery set is NOT supervised for presence.
10. This unit is intended to be placed in the same room as the control equipment.
IV.
Typical Hook-up Diagrams
Power Support System
Installation Instructions
AlarmSaf


65A Industrial Way Wilmington, MA 01887-3499 (978) 658-6717 FAX: (978) 658-8638 Web Site: www.alarmsaf.com
52-095F
042996
WARNING: For continued protection against fire hazard,
replace only with the same type and rating of fuse.
AC ON
LED
AC FUSE AGC-30
BATT FUSE AGC-30
SYS OK
LED
NO
NC
C
TROUBLE
CONTACTS
+
-
BATTERY
CONNECTION
STEP-DOWN
TRANSFORMER
PRIMARY LEADS
BLACK WHITE
SYSTEM DC OUTPUT
NONPOWER
VERSION SHOWN
-
+
PRIMARY AC
CONNECT
INTERCONNECT
HARNESS
LIMITED
1.50
0
13.94
1.00
0
9.0
17.00
0
12.00
2 PLCS
4.34
1.94 TYP
18.00
KEY LOCK
15.21
18.21
3.00
2 PLCS
12.00
2 PLCS
III. Mechanical Drawings V. Battery Standby Charts:
VI.
Troubleshooting Guide
Fault Output
{
Form "C" Relay Contacts rated 1 Amp @ 24VDC
{
Relay Contacts labeled in the non-operational
(fault) condition
{
Fail-safe; active until an actual fault condition.
Visual Indicators
1. AC Presence LED1:
Green LED
2. System OK LED2:
Green LED
Fault Conditions
{
"SYS OK" Green LED extinguishes on:
1. Low AC / No AC / Blown AC Fuse
2. Low / High Battery or Output
3. Blown Battery Fuse
VII
Troubleshooting Chart
Replace PC Board.
Defective board
5) No relay transfer on fault
Rewire battery set.
Incorrect battery
hook-up.
Remove primary power and batteries, then
replace fuse. CAUTION. Observe polarity.
Blown battery fuse.
4) No battery back-up
Measure xfmr secondary voltage. If not within
proper range, replace transformer.
Incorrect or defective
xfmr.
Rewire battery set.
Incorrect battery
hook-up.
Remove system load and batteries; check
system output voltage. If OK recheck system
requirements, and/or measure output current
draw with an ammeter.
The system load is
greater than the
supply capability.
Check battery condition and replace if needed.
Defective battery.
3) Incorrect output voltage
Check xfmr secondary voltage at PC board
"Low Voltage AC Connection". If voltage is not
present, replace xfmr.
Loss of transformer
(xfmr) power.
Remove primary power and batteries, then
replace fuse. CAUTION.
Blown AC fuse.
Check AC primary supply.
Loss of AC power.
2) Green "AC ON" LED is not
illuminated.
See Symptom 4.
Blown battery fuse.
See Symptom 3.
Low or High output.
See Symptom 2.
Low AC / No AC /
Blown AC fuse.
1) Green "SYS OK" LED is off.
Relay Contacts transfer to NC.
Correction Procedure
Possible Cause
Symptoms
Power Support System
Installation Instructions
AlarmSaf


65A Industrial Way Wilmington, MA 01887-3499 (978) 658-6717 FAX: (978) 658-8638 Web Site: www.alarmsaf.com
12 Volt
Battery
12 Volt
Battery
12 Volt
Battery
12 Volt
Battery
+
+
+
+
-
-
-
-
24 Volt Configuration
12 Volt Configuration
Parallel Hook-Up
Series Hook-Up
+
+
-
-
BATTERY CONFIGURATIONS
For further assistance, please contact the AlarmSaf Technical Service Department.
.686A
1.71A
50 Ah
.544A
1.36A
40 Ah
.440A
1.10A
33 Ah
.396A
.994A
30 Ah
.341A
.852A
26 Ah
.252A
.631A
20 Ah
.195A
.489A
16 Ah
.182A
.454A
15 Ah
.167A
.419A
14 Ah
60 Hr. Standby*
24 Hr. Standby*
Battery Capacity
* 5 Minute 12.0A Ringoff Included
NOTE: The NPL-12120-B04-UL and NPL-24120-B04-UL can be used at a
decreased current rating of 6.0A, charging 140Ah max.
{
24 hour standby = 4.93A
{
60 hour standby = 1.95A,
or at a decreased current rating of 3.0A, charging 160Ah max..
{
24 hour standby = 5.52A
{
60 hour standby = 2.25A