Page 1
CR Series User’s Manual
CR-21 Remote Control
For SR-1600 / SRC-2500
Page 2
1. Introduction
1-1. System
The remote is designed to easily and quickly connect Cotek SR-1600 /
SRC-2500. The LCD display is used for setting up the inverter/charger, as well
as displaying current status or fault messages. Pressing buttons allows you to
select a menu item or to save a setting, once it is displayed on the LCD screen.
Description
Function
A
UP
Scroll up
B
DOWN
Scroll down
C
ESC
Go back to previous page.
D
ENTER
Enter next page and save setting value
E
RJ-45 port
Connect to the Inverter
Front and rear Panel introduction
Page 3
1-2. Mechanical Drawings
Unit: mm
1-3. Hardware Installation
Page 4
2. Display tree
Power Switch ON
INVERTER
Initialization..
GRID-->SR-->LOAD
BAT-------^ Major
2-1
User Interface
2-3
LCD Contrast
2-3-1
LCD Auto-off
2-3-2
Baudrate
2-3-3
DRY C Setting
2-3-4
Bat Parameter
2-4
OVP Setting
2-4-1
OVP Recovery
2-4-2
UVP Setting
2-4-3
UVP Recovery
2-4-4
UV Alarm
2-4-5
Charge Voltage
(For SRC)
2-4-6
Charge Current
(For SRC)
2-4-7
AC Parameter
2-5
O/P Voltage
2-5-1
O/P Frequency
2-5-2
Sync Frequency
2-5-3
AC or DC Mode
2-5-4
AC Sharing
2-5-5
OUTPUT：xxx.xV
xx.xHz xxx.xA
GRID：xxx.xV
xx.xHz xxx.xA
BATTERY：xxx.xV
discharging xxx.xA
STATUS：
2-2
Enter into System Setup by “press for 3 seconds”
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2-1 GRID-->SR-->LOAD BAT-------^ Major
The connection status and Alarm type. For the description of alarm type, (Major /
Minor Alarm) please refer to Alarm List in the “SR-1600 User Manual.”
2-2 STATUS：
It indicates Alarm Message. Please refer to LED Indicator in the SR-1600 User
Manual.”
2-3 User Interface
2-3-1 LCD contrast : Sets the LCD screen contrast.
Default = 50% Setting range = 0% ~ 100%
Setting Menu
SETT<value>
LCD Contrast
0 ~ 100
2-3-2 LCD Auto-off : Sets the LCD screen backlight auto off timer
Default = 120 seconds Setting range = 0 ~ 120 seconds
Setting Menu
SETT<value>
LCD Auto-off
0 ~ 120
2-3-3 Baud rate : Default setting：4800
Setting Menu
SETT<value>
RS-485
Baud rate
0
1200
1
2400
2
4800
3
9600
4
19200
2-3-4 Dry contact C setting : Default =1, Setting range = 0~2, default=1.
Setting Menu
SETT<value>
Dry contact C setting
0
Disable
1
Follow dry contact A
(major alarm)
2
Follow dry contact B
(minor alarm)
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2-4 Bat Parameter
2-4-1 OVP Setting : Set the Over Voltage Protection (OVP) and shutdown.
Default = 34 VDC @ 24V Model. 68 VDC @ 48V Model
Model
Setting value range
24V
30 VDC ~ 34 VDC
48V
60 VDC ~ 68 VDC
2-4-2 OVP Recovery : When the DC input voltage is higher than the OVP
setting, the SR series shuts down; once the input voltage falls below the set
OVP value, the SR series will automatically restart.
Default = 28 VDC @ 24V Model. 56 VDC @ 48V Model
Model
Setting value range
24V
26 VDC ~ 30 VDC
48V
52 VDC ~ 60 VDC
2-4-3 UVP Setting : Setting Under Voltage Protection (UVP) and shutdown on
the inverter operation.
Default= 18 VDC @ 24V Model. 36VDC @ 48V Model
Model
Setting value range
24V
18 VDC ~ 25 VDC
48V
36 VDC ~ 50 VDC
2-4-4 UVP Recovery : When the DC input voltage is below the set UVP value,
the SR series shuts down; once the input voltage rises above the set UVP
value, the SR series will automatically restart.
Default= 25 VDC @ 24V Model. 50VDC @ 48V Model
Model
Setting value range
24V
23 VDC ~ 27 VDC
48V
46 VDC ~ 54 VDC
2-4-5 UV Alarm : Setting Under Voltage (UV) alarm. When the input voltage is
lower than the set value, the SR series will sound a “beep” to remind you
that the unit is going to shutdown.
Default= 21 VDC @ 24 V Model. 42 VDC @ 48 V Model
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Model
Setting value range
24V
19 VDC ~ 26 VDC
48V
38 VDC ~ 52 VDC
2-4-6 Charging voltage (For SRC): Default =54 VDC
Model
Setting value range
48V
52 VDC ~ 58 VDC
2-4-7 Charging current (For SRC): Default =0 A
Model
Setting value range
48V
0A ~ 25A
2-5 AC Parameter
2-5-1 O/P Voltage : Setting the SR series output voltage on the inverter
operation. 1xx = 100, 110, 115 or 120V ; 2xx = 200V, 220V, 230V or 240V.
Model
Setting value range
1XX
97 VAC ~ 127 VAC
2XX
194 VAC ~ 254 VAC
2-5-2 O/P Frequency : Setting the SR series output frequency on the inverter
operation. 1xx = 100, 110, 115 or 120V ; 2xx = 200V, 220V, 230V or 240V.
Model
Setting value range
1XX & 2XX
50 or 60 Hz
2-5-3 Sync Frequency : Setting SR series output frequency tolerance range on
the inverter operation. 1xx = 100, 110, 115, 120V ; 2xx = 200V, 220V,
230V or 240V.
Model
Setting value range
1XX & 2XX
0 Hz ~ 3 Hz
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2-5-4 AC or DC Mode : Default =1, AC Mode is the 1st priority source.
DC Mode：DC is the 1st priority source, and the AC power is the 2nd priority
source.
AC Mode：AC is the 1st priority source, and the DC power is the 2nd priority
source.
Mode Priority
SETT<value>
DC Mode
0
AC Mode
1
2-5-5 AC Sharing : Setting range = 10, 20, 30, 40, 50, 60, 70, 80, 90, 100
Default= 100 (Disable)
Setting Menu
SETT<value>
Description
AC Ratio
10
AC load 10%, DC load 90%
20
AC load 20%, DC load 80%
30
AC load 30%, DC load 70%
40
AC load 40%, DC load 60%
50
AC load 50%, DC load 50%
60
AC load 60%, DC load 40%
70
AC load 70%, DC load 30%
80
AC load 80%, DC load 20%
90
AC load 90%, DC load 10%
100
Disable
No.33, Sec. 2, Renhe Rd., DaxiDist., Taoyuan City 33548, Taiwan
Phone：+886-3-3891999 FAX：+886-3-3802333
http：// www.cotek.com.tw
2018.07._A1
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