Elmdene G2410BM-E User manual

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27.6 Vdc Switch Mode Power Supply
G2410BM-E Option l BATT-BOX-65
G2410BM-H
F EATURES
The G2410BM-H is a high efficiency cost effective power supply ideal for use in Fire, Access and
Intruder applications . Its regulated 27.6V dc output will supply a total of 10 Amps continuous into the
load, whilst also enabling battery charging. (7.2 Amps Load with 65Ah batteries, 10 Amps with 18Ah
batteries).The power supply output features electronic short circuit protection under both mains and
standby battery operation. Maximum battery life is assured through continuous active battery
monitoring and the use of a three stage charger, comprising bulk, absorb and temperature
compensated final float phase depending upon battery condition. Once fully charged the product
operates in Eco power saving mode, whereby the batteries are charged for 4 hours in every 24 hour
period while still being continuously monitored. This reduces wasted energy in charging already fully
charged batteries and extends their working life. Deep discharge protection prevents premature
battery failure when operating from standby for extended periods. Two sets of volt free solid state
relay fault output signal (i) loss of mains and (ii) battery fault, charger fault and loss of output.
•Up to 10 A current to load at 27.6V dc nominal regulated output.
•Charging capability to support 18, 38 or 65Ah batteries with intelligent load enhancement.
•Electronic overload protection shuts down output until overload or short circuit is removed.
•Battery Monitor detects battery missing, low battery, short-circuit or reverse connection or
circuit impedance (Ri) in excess of 300mΩ caused by connector or wiring corrosion within
4hours..
•Battery charging circuit is energised only when a battery is correctly connected and the battery
voltage is greater than 14 V.
•No loss of output during automatic connection of battery to load on loss of mains.
•Deep discharge protection disconnects battery from load when battery voltage falls to 21 V.
•Fault indicator LED (Yellow) flashes on detection of output fault, battery fault, charger fault and
mains failure.
•Mains indicator LED (Green) showing mains present.
Elmdene International Ltd Tel: [phone]
3 Keel Close, Interchange Park, Fax: [phone]
Portsmouth, Hampshire, PO3 5QD, UK  Web: www.elmdene.co.uk

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S PECIFICATION
M ins Input
Rated Voltage
1
10
–
240V
ac
Frequency
50
Hz
I
nput current
< 4.0 Amps at full load
Inrush current
30
A Max at 25 °C 110V
ac for 10
ms
Fuse
T4.
0
A
,
20
mm, 250V
ac H
R
C
Output
Volt ge t full lo d
Mains power
Battery standby
26.0 – 28.5 Vdc (range) (27.6 V nominal)
18 – 26.0 Vdc
Ripple
<
100
mV pk
–
pk max @ Rated Voltage
Fuse
Load
Battery
F10.0 A
F10.0 A
Overlo d
Electronic shutdown at 15
A until overload or short circuit removed
B ttery mode sele
cted
17/
18 Ah
38 Ah
65 Ah
Continuous Output Current
No charging (Imax B)
With charging (Imax A) – 220V
With charging (Imax A) – 110V
10.0 A
10.0 A
8.5 A
10.0 A
8.0 A
7.5 A
10.0 A
7.2 A
6.5 A
B ttery C p city
eg
-PowerSonic model
-Yuasa model
-Interlogix model
2 x 17
/18
Ah 12 V
PS12170
NP17-12
BS131N
2 x 38 Ah 12 V
PS12380
NP38-12
2 x 65 Ah 12 V
PS12650
NP65-12
BS133N
B ttery Ch rging
Constant current bulk charging to 80% capacity within 24 hours
Float charging to 100% within 48 hours
Eco charging and check every 2 hours – (for 20 minutes)
Constant current charge
0.7 A
1.6 A
2.6 A
Low battery threshold voltage
23 V
Deep discharge protection
Threshold voltage
–
21 V
Quiescent current
–
no load
30
mA
Quiescent current
–
batt cut off
0
mA
Mech nic l
Product
Reference
STX2410
BM
-
E
STX2410
BM
-
H
BATT
-
BOX
-
65
Enclosure Dimensions
w x h x d (mm) 400 x 420 x 80 420 x 420 x 180 450 x 535 x 245
Weight (kg)
excluding battery
6.4
9.7
12.9
M teri l
1.2mm steel white powder coated
Environment l
Temperat
ure
–
Operating
-
10 to +40°C (operating) 75% RH non
-
condensing
Temperature
-
Storage
-
20 to +80°C (storage)

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C ONNECTIONS
Load Output ++ /
--
Screw terminals
Voltage output to load
GEN
PSU Fault
(normally
closed contact)
0.10
A @ 60
V
dc 16
Ω solid
state relay contact
s, volt free
Open if Mains failed and battery voltage < 23V or fault PSU fault
condition, (see below)
EPS Fault (normally closed
contact)
0.10
A @ 60
V
dc 16
Ω solid state relay contacts, volt free
Open if loss of mains for > 10 seconds
Temperature sensor
Therm
istor
input from supplied battery terminal
therm
istor
.
BATT + /
-
Connection to back up battery using supplied battery lead
FAN +/
-
Not used
RS232 serial interface
4
pin header
S IGNALLING AND D IAGNOSTICS
F ult Outputs
EPS Fault GEN Fault Condition Possible Cause Action
C
LOSED
C
LOSED
Normal
operation
Mains present
Battery healthy
None
O
PEN
C
LOSED
Standby
Mode
Mains lost
Battery driving load
Investigate loss of mains
C
LOSED
O
PEN
Fault
Present
Blown fuses
Battery fault
Overload
Internal fault
Investigate fault source
using diagnostic LED
Rectify fault where
possible
O
PEN
O
PEN
PSU
Shutdown
Mains lost
Standby battery exhausted
Restore mains as soon
as possible
LED Indic tion
YELLOW
LED
Fault LED
GREEN LED
Mains suppl
y On
DIAGNOSTICS
Diagnostic LED (Not visible through front panel)
F ult Di gnostic t ble – Front p nel - User
Yellow LED
Fault Green LED Mains Condition Possible Cause Action
O FF O N
Normal
operation
Mains present
Battery healthy None
F LASH
C ONTINUOUS O
N or O FF Fault
Blown fuses
Battery fault
Overload
Internal fault
Contact service
engineer
1 P ULSE O FF Standby Mode
Mains lost
Battery driving load
Investigate loss of
mains

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F ult Di gnostic t ble – Intern l - Engineer
Or nge
LED
Di gnostic
Green LED
M ins Condition Possible C use Action
O FF
O N
Normal
operation
Mains present
Battery fully charged None
O FF
Standby
Operation
Mains Lost. No faults present
Battery driving load Investigate loss of mains
F LASH
C ONTINUOUS O
N or O FF No output
Output fuse blown
Output overload
Output short circuit
Check and replace
output fuse
Disconnect output load
and test load
1 P ULSE O N Battery
Charging
No faults active
Battery charging normally
but
< 90% of full charge
None
2 P ULSES
O N No Battery
Battery disconnected
Battery fuse blown
Battery heavily discharged
Check battery
connections
Check battery fuse
Check battery condition
Replace battery if aged
O FF
Low Battery
Volts
Standby Mode
Battery almost discharged Restore mains
3 P ULSES O N or O FF Battery Fault
High impedance in battery
connection
Battery internal fault
Check battery
connections for
corrosion. Replace
battery if aged
4 P ULSES O N or O FF Charger Fault
Internal failure of battery
charger Return to manufacturer
5 P ULSES O N or O FF
Battery
Temperature
Probe Fault
Battery temperature monitor
disconnected or damaged
PSU running in Safe Mode
Check temperature
sensor connections and
condition of sensor.
Replace if suspect
O
N
C ONTINUOUS O
N or O FF Internal Fault
Software fault detected
PSU running in Safe Mode Return to manufacturer
I NSTALLATION
This unit is only suitable for installation as permanently connected equipment. The PSU is NOT SUITABLE for
external installation.
This unit must be fed from a mains power source having a separate (approved) disconnect device and fitted with a
fuse or other over-current protection device rated at 5 A maximum. Ensure that the disconnect device used has
appropriate earth fault protection to the applicable standard.
The Unit should be installed according to all relevant safety regulations applicable to that application.
Where the PSU Fault and EPS Fault outputs are used, they should only be connected to circuits having voltages less
than 60 Vdc.
C ble Sizing
1) Mains input cable must be to the applicable standard with a 5 A or greater current capacity, i.e. 0.75 mm
2
nominal conductor area, having a minimum operating voltage of 300/500 Vac.

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2) The low voltage output cable must be sized to carry the rated load current to the devices connected to the
PSU.
3) Mains input and low voltage output cables should be routed to use different entry / exit holes in the case.
Bushes should be used to protect cable sheaths from chafing. Ensure that these bushes are correctly sized
(i.e. close fitting with respect to cable sizing). Note that the bushes should meet a minimum flammability
specification of UL94 HB.
4) All cabling should be securely fastened in position using a cable tie through the saddles provided.
Mounting – E box – 17 or 18 Ah
5) The E box is designed to support two 17 or 18 Ah batteries and as such weighs a total of 19.5 Kg when
loaded. Ensure that wall fixings are appropriate to support this weight.
6) The product should be mounted no further than 10 cm from the control and indicating equipment, close
coupled by conduit if it is being used to power the CIE directly.
7) Fix to wall or other support structure in correct orientation i.e. with hinge on left hand side, using screws
of sufficient size and length through the mounting holes.
8) Protect the battery terminals from any metal surfaces during installation as shorting of the terminals is
extremely hazardous.
9) Knock-outs are provided in the case for mating with external trunking or conduit.
10) Ensure that all unused holes (on the rear of the case) are sealed to prevent the ingress of damp and dust.
Figure 1 – E Box nd B ttery mounting
Mounting – BATT- BOX – 65 Ah
11) The Battery box is used for 65 Ah batteries is designed to be floor mounted. DO NOT suspend from a wall.
12) It is important that the battery box and the PSU are co-located as shown, and connected using the
provided extended 3 metre cable.
13) A fixing bracket is provided to secure the Battery Box to the wall to prevent it moving away from the wall.

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Figure 2 – E Box nd B ttery box mounting
Mounting – H Box – 38 Ah
14) The H box is designed to handle and support two 38 Ah batteries and as such weighs a total of
approximately 40 Kg when loaded. Ensure that wall fixings are appropriate and designed to support this
weight.
15) The product should be mounted no further than 10 cm from the control and indicating equipment, close
coupled by conduit if it is being used to power the CIE directly.
16) Fix to wall or other structure in correct orientation i.e. with hinge on left hand side, using screws of
sufficient size and length through the mounting holes.
17) Protect the battery terminals from any metal surfaces during installation as shorting of the terminals is
extremely hazardous.
18) Knock-outs are provided in the case for mating with external trunking or conduit.
19) Ensure that all unused holes (on the rear of the case) are sealed to prevent the ingress of damp and dust.
Figure 3 – H Box nd B ttery box mounting
Floor
Spacing
Spacing shall be greater
than 20 mm and less
than 300 mm
Fit conduit
between
boxes

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C OMMISSIONING
Mains Power Up
1) With no external connections made to the PSU, connect the mains input wires to the terminal block,
ensuring that the mains isolator (disconnect device) is open. Fasten wiring in place with cable tie to
saddle. Note: Equipment must be earthed.
2) Apply mains input. Ensure that the green Mains LED illuminates and that the yellow Fault LED flashes after
approximately 20s (indicating a disconnected battery).
3) Disconnect the mains power.
Load Output and Remote Signalling
4) Connect the EPS and PSU Fault outputs to the appropriate inputs of control equipment if remote fault
monitoring is required.
Figure 4 – Power, Lo d nd B ttery connections
5) Connect the load (output) wiring as shown in Figure 4. Cable tie to saddle provided (adjacent to exit hole).
6) Re-apply mains. Verify that the green Mains LED illuminates and the yellow Fault LED flashes after
approximately 20 s (disconnected battery).
7) If connected, verify that the EPS Fault monitor shows a closed contact and the PSU Fault monitor shows an
open contact.
8) Perform a full functional test of system including full alarm condition .
9) Disconnect the mains supply.
Figure 5 – Termin l l bels
+
+
+
-
To Load
L E N
n/c |GEN| EPS|TMP|+ - | + + - -
| FAULT |Sens|Bat| O/P
L E N
AC in
BATTERY | DIAG| OUTPUT LOAD
FUSE | LED| FUSE
Main input
Fuse

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Standby Battery
10) Select the Battery type by placing the link (above the Battery fuse) in the appropriate location to
select (17/18 Ah, 38 Ah or 65 Ah) batteries. This changes the maximum bulk charge current, and
therefore enables higher load current to be used when smaller batteries are required. Put the link
on the left hand two pins for 17/18 Ah, the middle pins for 38 Ah and the right hand two pins for 65
Ah batteries.
Figure 6 – St ndby b ttery size selection links
11) Mount the appropriate batteries as shown above. Where a dual box solution is used all cabling
between the two boxes should be routed to use separate case entry/exit holes from other cabling
and use suitable bushes to protect the cables.
12) Connect the two 12 V standby batteries in series using the single cable provided. Connect the
negative of one battery to the positive of the other. DO NOT CONNECT the other two battery
terminals to each other.
13) Connect the free Positive and Negative terminals of the batteries to the PCB terminals Batt+ and
Batt - using the cables provided. See Figures 4 & 5.
14) Connect the battery temperature sensor (two white wires) to the PCB terminals TMP Sens. See
Figure 5.
15) If the batteries are housed remotely, replace the battery lead assembly (including battery
temperature sensor) with an extended length assembly, provided with the Battery box (Ensure the
temperature sensor and battery connections are made according to figure 5.
16) Re-apply the mains power and verify that the yellow Fault LED stops flashing after about 20 s
(battery connection detected). Verify that the remote GEN PSU Fault monitor shows a closed
contact.
17) Disconnect the mains power. Verify that the green Mains LED extinguishes and the yellow Fault LED
starts to pulse (indicating that the PSU is running from its standby batteries).
18) If connected, verify that the EPS Fault monitor shows an open contact and the PSU Fault monitor
shows a closed contact.
19) Perform a full functional test of system including full alarm condition. Verify that the standby
batteries can support the system load. Note: ensure batteries have sufficient charge.
Final
20) Reconnect the mains. Verify that the green Mains LED illuminates and the yellow Fault LED
extinguishes.
21) If connected, verify that the EPS Fault monitor shows a closed contact and the GEN PSU Fault
monitor shows a closed contact.
22) Close cover and secure using fastening screws provided.
17/ 18 Ah
38
Ah
65
Ah

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O PERATING I NSTRUCTIONS
In the event of loss of mains, a battery fault or a GEN fault, the corresponding Fault signal contacts will open.
If the output of the PSU fails, the cause of the failure should be investigated e.g. short circuit load,
connection of a deeply discharged battery. The fault should be rectified before restoring power to the PSU. If
any of the fuses require replacing, ensure the correct fuse rating and type is used.
M AINTENANCE
M inten nce
This unit is intended for use by Service Personnel only. There are NO USER SERVICEABLE parts inside.
There is no regular maintenance required of the PSU other than periodic testing, and replacement of the
standby battery. Re erence should be made to the battery manu acturer's documentation to determine
typical/expected battery li e with a view to periodic replacement o the battery.
D IAGNOSTICS
Loc l Di gnostics
Green LED On = Mains Present
Yellow LED Fault Diagnostics according to table:
Yellow LED
(f ult)
Green LED
(m ins) St tus
OFF ON Norm l: Battery fully charged
One sh
ort flash
every second ON Norm l: Battery charging but not fully charged
Flashing:
1second On
1 second Off
ON
F ult:
Output fuse or battery fuse blown, or
battery missing
OFF F ult: No mains, output fuse blown
One short flash
every 3 seconds OFF F ult: No mains, battery supplying load.
OFF OFF
F ult:
No mains
,
No output
,
Batteries
disconnected or completely discharged

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C OMPLIANCE
This power supply unit meets the essential requirements of the following EU Directives:
D ISPOSAL OF P RODUCT AT E ND OF L IFE
This product falls within the scope of EU Directives 2002/96/EC Waste Electrical and Electronic Equipment
(WEEE) and 2006/66/EC (Battery). At the end of life, the product must be separated from the domestic
waste stream and disposed via an appropriate approved WEEE disposal route in accordance with all national
and local regulations.
Before disposal of the product, any batteries must be removed, and disposed separately via an appropriate
approved battery disposal route in accordance with all national and local regulations. Package used batteries
safely for onward transport to your supplier, collection point or disposal facility.
Caution: Risk o ire or explosion
i bare battery wires are allowed to touch.
See Specification for battery type information. The battery is marked with the crossed out wheelie bin
symbol, which may include lettering to indicate cadmium (Cd), lead (Pb), or mercury (Hg).
For more information see: www.recyclethis.info
The packaging supplied with this product may be recycled.
Please dispose of packaging accordingly.
EMC
:
2004/108/EC
Low Voltage:
2006/95/EC
WEEE:
20
1
2/
19
/E
U
RoHS
:
2011/65/EU