Delta DRU-24V10AMN Instruction Manual
CliQ M DC-UPS & Battery Module
Operating Guideline
Rev. 02
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Input 18-30 Vdc
Four-step rotary selector switch
DRU-24V10AMN: 0.5 A, 1 A, 1.5 A, 2 A (typ.) charging mode; Default: 0.5 A
DRU-24V20AMN: 0.75 A, 1.5 A, 2.25 A, 3 A (typ.) charging mode; Default: 0.75 A
DRU-24V40AMN: 1 A, 2 A, 3 A, 4 A (typ.) charging mode; Default: 1 A
Output Vout = Vin - 0.5 Vdc
(Buffering Mode) DRU-24V10AMN: 10.0 A / 240 W Max; 15.0 A / 360 W Max (7 s)
DRU-24V20AMN: 20.0 A / 480 W Max; 30.0 A / 720 W Max (7 s)
DRU-24V40AMN: 40.0 A / 960 W Max; 60.0 A / 1440 W Max (7 s)
Battery Voltage 24 Vdc, SLA (Sealed lead acid battery)
2 x 12 Vdc, SLA (Sealed lead acid battery)
Battery Capacity 3.4 AH to 12 AH
Charging Time DRU-24V10AMN: < 9 hr 1 hr (2 A charging current for 24 V/12 AH battery)
DRU-24V20AMN: < 6 hr 1 hr (3 A charging current for 24 V/12 AH battery)
DRU-24V40AMN: < 4.5 hr 1 hr (4 A charging current for 24 V/12 AH battery)
Buffering Time Adjustment Ten-step rotary selector switch
15 s, 30 s, 45 s, 1 min, 2 min, 3 min, 5 min, 10 min, 20 min, ∞
Operating Temperature -30 C to +70 C (> 60 C de-rate power by 2.5% / C, when battery is fully charged)
Overload/ Overcurrent/ Short Normal Operation: Auto Recovery
Protection Battery Operation: Latch off
Deep Discharge Protection 21 V 1 V
The unit will stop operating when the battery voltage detected is < 21 V 1 V.
Basic Information
3
Product Overview
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Product Description
4
Product Overview
1. Input / Output terminal block connector (CN202)
2. Battery terminal block connector (CN203)
3. Signal terminal block connector (CN101)
4. Temperature Sensor & Rx/Tx connector (CN206)
Pin 1: Temperature Sensor 1
Pin 2: Rx/Tx
Pin 3: Temperature Sensor 2
Pin 4: GND
5. Rotary selector switch for setting the charging current
6. Rotary selector switch for setting the buffer time
7. LED indicators
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Note:
1. Input / Output terminal
2. Battery terminal
Installation
5
Installation Instruction
Vertical Mounting
To guarantee sufficient convection cooling
•Keep a distance of 50 mm above and below
•A lateral distance of 20 mm
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Battery
Wire Battery:
Input / Output
Wiring Connection
6
Installation Instruction
Signals
DRU
-24V10AMN
AWG 18
-8
(Load: 0
-5 A)
AWG 14
-8
(Load: 5
-10 A)
DRU
-24V20AMN
AWG 14
-8
(Load: 0
-10 A)
AWG 10
-8
(Load: 10
-
20 A)
DRU
-24V40AMN
AWG 10
-6
(Load: 0
-20 A)
AWG 8
-6
(Load: 20
-
40 A)
Wire Input / Output:
DRU
-24V10AMN
AWG 18
-8
(Load: 0
-5 A)
AWG 14
-8
(Load: 5
-10 A)
DRU
-24V20AMN
AWG 14
-8
(Load: 0
-10 A)
AWG 10
-8
(Load: 10
-
20 A)
DRU
-24V40AMN
AWG 10
-6
(Load: 0
-20 A)
AWG 8
-6
(Load: 20
-
40 A)
Wire Signals:
AWG 24-12
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Operating Sequence
AC DC Load1 (Unbuffered load)
Vout = PSU Vin
Relay Contact & Remote
Remote
PSU 18-30 Vdc
Buffering Ready
Battery
- SLA Battery
- 24 V or 2 x 12 V
-3.4 AH to 12 AH
-DRN-24V7AAEN (Metal Frame) + Battery
Wiring Instruction
LED
Status
Diagnosis
Battery Status
Error
7
Note:
Step 0-5, refer page 8-11
Load2 (Buffered load)
Normal Operation: Vout = AC/DC PSU Vout –0.5 Vdc
Battery Operation: Vout = Vbattery –0.5 Vdc
INPUT OUTPUT
Charging Current SW:
10 A: 0.5 A, 1 A, 1.5 A, 2 A
20 A: 0.75 A,1.5 A, 2.25 A, 3 A
40 A: 1 A, 2 A, 3 A, 4 A
“Min value” as default
Buffering Time SW:
15 s, 30 s, 45 s, 1 min, 2 min, 3 min, 5 min,
10 min, 20m, ∞
“15 s” as default
Battery
21-27.6 Vdc
Repl. BAT.
BATTERY
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No. Operation Description LED Status Signals Status Troubleshooting
0 Check the battery
voltage •Battery voltage should be in
21-27.6 Vdc - - •If battery voltage is less
than 21 Vdc, the DRU
module will not operate
in buffering mode.
•Battery voltage 19.2 Vdc min will
enable “Repl. BAT.” relay contact.
(DRU module will not charge the
battery)
- - •Change the battery if
the voltage is less than
19.2 Vdc.
1 Connect battery to
DRU module Connect the battery cable to “BAT. IN”
terminal of DRU module (+ to + and - to -). All LED OFF
(correct connection) Ready: Open
Buffering: Open
Replace BAT: Open
-
2 Select Charging
Current &
Buffering Time
•Use the rotary selector switch to set a
suitable Charging Current for battery
(default is minimum value)
•Use the rotary selector switch to set a
suitable Buffering Time for the load
demand
All LED OFF
(correct connection) Ready: Open
Buffering: Open
Replace BAT: Open
-
Operating Sequence
8
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No. Operation Description LED Status Signals Status Troubleshooting
3 Connect PSU to
DRU module then
turn on PSU
Connect the PSU cable to “DC IN”
terminal of DRU module (+ to + and - to -). Green flashing slowly
(battery charging) Ready: Open
Buffering: Open
Replace BAT: Open
Use current probe to
measure at battery cable
BAT. IN+, the charging
current should be around
setting value.
Green On
(battery fully charged) Ready: Close
Buffering: Open
Replace BAT: Open
Red On
(buffering time expired) Ready: Open
Buffering: Open
Replace BAT: Open
Restart the DC-UPS
module to reset the
buffering time.
Orange On
(No battery connection
or battery reverse
polarity or battery spoil)
Ready: Open
Buffering: Open
Replace BAT: Close
Re-check battery polarity
and connection make
corrections.
Re-check battery voltage
and replace with a new
battery (21-27.6 Vdc).
Green
flashing slowly &
Red On
(DRU input voltage is
low: 18-21 Vdc)
Ready: Open
Buffering: Open
Replace BAT: Open
Re-check DRU input
voltage and increase to
> 21 Vdc.
Operating Sequence
9
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Operating Sequence
No. Operation Description LED Status Signals Status Troubleshooting
4 Connect load2 to
DRU module for
Buffered load.
(Normal operation
mode)
Connect the load cable to “DC OUT”
terminal of DRU module (+ to + and - to -). Green flashing slowly
(battery charging) Ready: Open
Buffering: Open
Replace BAT: Open
Battery capacity < 85%
Green On
(battery fully charged) Ready: Close
Buffering: Open
Replace BAT: Open
Battery capacity ≥ 85%
Connect load1 to
DC UPS module
for Unbuffered
load.
(if required)
Connect the load cable to “DC IN”
terminal of DRU module (+ to + and - to -). See above
5 Buffering mode
(Battery operation) Input collapse, DRU module operate in
buffering mode. Battery will supply to
load.
Green flashing quickly
(battery discharging) Ready: Open
Buffering: Close
Replace BAT: Open
-
OFF
(DRU module does not
operate in buffering
mode)
Ready: Open
Buffering: Open
Replace BAT: Open
•Re-check battery
wiring and compare
with “Typical
Application Notes” in
DRU module
datasheet. Make
corrections as needed.
•Re-check battery
voltage and compare
with battery voltage
range. Replace with
new battery (21-27.6
Vdc) as needed.
10
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3
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