Delta DRU-24V10AMN Instruction Manual

CliQ M DC-UPS & Battery Module

Operating Guideline

Rev. 02

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Contents
CliQ M DC-UPS Module
24 V / 10 A, 20 A, 40 A 
DRU-24V10AMN, DRU-24V20AMN, DRU-24V40AMN
Product Overview
Installation Instruction
Operating Sequence
Relay Contacts and LED Indicators 
Troubleshooting
2
3
5
7
12
14

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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

Product Overview

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Product Description

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

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

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

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

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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

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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.

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