CTM SC-1200 series 1200W Pure Sine Wave Inverter / Charger Instruction Manual

: June 9, 2024
: CTM

Table of Contents

Feature
The Battery Charger
Front panel
Function LED
The Battery Charger
Mechanical Drawings
Dip switch Function
Rear panel
BAT. TEMP. Port (RJ-11) \
Remote Port (RJ-11)
Remote Control & Green Terminal
Documents / Resources

CTM SC-1200 series 1200W Pure Sine Wave Inverter / Charger

Feature

Bi-directional All-in-One Design
Compact Size
Highly Integration = Installation hassle-free
Certifed by UL
UL458 & Supplement SA / CSA C22.2 No. 107.1-01
UL1741 / CSA C22.2 No. 107.1-01 / KKK-A-1822F (For Ambulance)
5-in-1 Operating Modes
1. Inverter mode 2. Charger mode 3. Power Sharing 4. Power Generation
5. Power Support

| | SC-1200-112| SC-1200-124| SC-1200-212| SC-1200-224
---|---|---|---|---|---
Inverter Mode| | | | |
Input| Nominal Voltage| 12 VDC| 24 VDC| 12 VDC| 24 VDC
| Input Voltage Range (±0.5V)| Input Voltage Range (±0.5V)| 21.0 ~ 33.0 VDC| 10.5 ~ 16.5 VDC| 21.0 ~ 33.0 VDC
| Input Over-Voltage Protection (±0.5V)| 16.5 VDC| 33.0 VDC| 16.5 VDC| 33.0 VDC
| Input Over-Voltage Warning (±0.5V)| 15.5 VDC| 31.0 VDC| 15.5 VDC| 31.0 VDC
| Input Under-Voltage Protection (±0.5V)| 10.5 VDC| 21.0 VDC| 10.5 VDC| 21.0 VDC
| Input Current (Max)| 132 A| 66 A| 132 A| 66 A
| No Load Current| < 3.0 A @12.5V| < 1.5 A @25V| < 3.0 A @12.5V| < 1.5 A @25V
| Stand-By Current| < 0.4 A| < 0.2 A| < 0.4 A| < 0.2 A
Output| Continuous Output Power| 1200 VA ± 3%
| Surge Power| Load 101%~115% (1 Min) / 2400 VA (2 Sec)
| Frequency| 50/60 Hz ± 0.3 Hz (User-selectable)| | |
| Output Voltage| 100 / 110 / 115 / 120VAC ±3%| | 200 / 220 / 230 / 240VAC ±3%
| Max. E‑ciency (Full Load)| 89%| 90%| 89%| 90%
| Output Waveform| Pure Sine Wave (THD < 5% @ 12.5V/25V/115VAC, linear load) / (THD < 3% @ 12.5V/25V/230VAC, linear load)
| INV. AC Output| 12A MAX| | 6A MAX|
| AC Output| 30A MAX| | 22A MAX|
Protection| Input Protection| Over / Under Voltage, Reverse Polarity (Internal Fuse)
| AC Output Protection| Short-Circuit, Overload
| AC Input Protection| 30 Amp Circuit Breaker| | 16 Amp Circuit Breaker|
| Battery Temperature protection| By a RJ-11 connector to battery Temperature sensor
Charger Mode
AC input| Nominal Voltage / Frequency| 110 VAC, 50 / 60Hz (User-selectable)| | 230 VAC, 50 / 60Hz (User-selectable)
| Input Voltage Range| 90 ~ 132 VAC| | 180 ~ 264 VAC
| Input Frequency Range| 50Hz:47 ~ 53 Hz / 60Hz:57 ~ 63 Hz
| Nominal Current| 8.2A (@110VAC)| | 3.9A (@230VAC)
| E‑ciency (Max.)| >88%
| AC Input| 30 A MAX| | 16 A MAX|
| Power Factor Correction (PFC)| >0.95 (Max.)
Auxiliary DC Output| Output Voltage| Battery Voltage
| Output Current| 20A Max
DC Output| Charging Current Range| 12.5 / 25 / 37.5 / 50A| 6.25 / 12.5 / 18.75 / 25A| 12.5 / 25 / 37.5 / 50A| 6.25 / 12.5 / 18.75 / 25A
| Max. Output Voltage| 14.4 VDC@ GEL TYPE| 28.8 VDC @ GEL TYPE| 14.4 VDC @ GEL TYPE| 28.8 VDC @ GEL TYPE
| Battery Temperature Compensation| -25 mV per ℃| -50 mV per ℃| -25 mV per ℃| -50 mV per ℃
| Battery Control (3-stage Battery Chargers)| Bulk / Absorption / Float| | |
Signal and Control| Remote Control Panel (Optional)| CR-20C / CR-16B / CR-8| | |
| Dry Contact Terminal| By a relay| | |
| Relay Specication| 30 Amp / 120 VAC @ 110V system| 16 Amp / 250 VAC @ 230V system
Environment| | | | |
Operating Temperature| Full Load| -20 ℃ ~ 50 ℃| | |
Range| Power de-rating| 40 W / ℃, 51~60 ℃| | |
| Storage| 30 ℃~70 ℃| | |
Operating Humidity Range| | Max 93%, Non-condensing| | |
Cooling| | Temperature & Load Controlled Cooling Fan| | |
Safety Standards| | UL458 & Supplement SA / UL1741| | EN 62368-1|
E-mark| | | | Certied CISPR 25; ISO7637-2|
EMC Standards| | | | EN55032 Class A, EN55024 Class A EN61000-3-2, 3-3 , EN61000-4-2, 3, 4, 5, 6, 8, 11|
Other| | | | |
Dimension (W x H x D)| | 251 x 116 x 386mm| | |
Net Weight| | 4.55Kg| | |

Max Inverter output define inverter 100% load output at Vac =100V / 200V
Max AC output define AC input current + Inverter output current, cannot over AC input limit.
Max AC input current Limit by the Breaker
For SC-1200 -112 and -124, the operating temperature range certified by UL Safety Standard is -20°C ~ 40°C.
*SC series is a class A product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures

The Battery Charger

Front panel

Ⓐ AC Output
Ⓑ AC Input
Ⓒ Chassis ground
Ⓓ Main switch
Ⓔ DIP switch
Ⓕ Function LED
Ⓖ AC input breaker
Ⓗ AC Output terminal (L/N)
Ⓘ AC Input terminal (L/N)
Ⓙ AC In/Output ground terminal

Function LED

BAT : Display input voltage

LED Status	DC12V	DC24V
Red	< 11.0V	< 22.0V
Orange	11.0 ~ 11.5V	22.0 ~ 23.0V
Green	11.5 ~ 15.0V	23.0 ~ 30.0V
Orange	15.0 ~ 15.5V	30.0 ~ 31.0V
Red	>15.5V	>31.0V

Load: Display AC loads (PF=1)

LED Status	SC-1200 / SC-2000
Red	> 115%
Orange	100 ~ 115%
Green	0 ~ 100 %
Dark	Charger Mode

Status : Display System Status

LED Status	Status
Green	Normal
Green Slow Blink	OTP
Green Fast Blink	UTP
Orange	PLL/Frequency Fail
Orange Slow Blink	AC in UVP/OVP
Orange Fast Blink	AC IN OCP
Red	OLP / SCP
Red Slow Blink	Battery UVP
Red Fast Blink	Battery OVP

Charger : Display Charger Stage

LED Status	SC-1200 / SC-2000
Orange Blink	Bulk
Orange	Absorption
Green	Float
Red	Charger Error
Green Fast Blink	Active
Green Slow Blink	Equalization
Dark	Inverter Mode

The Battery Charger

Temperature reading form BTS

Mechanical Drawings

Dip switch Function

Dip Switch	Function
S1	****

Output Voltage Select

S2
S3| Frequency Select
S4| ****

AC Input Current Limit Select

S5
S6
S7| ****

Battery Type Select

S8
S9| ****

Charger Current Select

S10
S11| DC Source on/off
S12| Saving Function on/off

AC Input Current Limit Select (S4,S5,S6)

AC Input Current

100~120V / 200~240V

| S4| S5| S6
---|---|---|---
3A / 2A| OFF| OFF| OFF
6A / 4A| ON| OFF| OFF
9A / 6A| OFF| ON| OFF
12A / 8A| ON| ON| OFF
15A / 10A| OFF| OFF| ON
20A / 12A| ON| OFF| ON
25A / 14A| OFF| ON| ON
30A / 16A| ON| ON| ON

Charger Current Select Function (S9,S10)

Charger Current	S9	S10
25%	OFF	OFF
50%	ON	OFF
75%	OFF	ON
100%	ON	ON

Saving Function Switch ON/OFF Function (S12)

Saving function	S12
OFF	OFF
ON	ON

Output Voltage switch Function (S1,S2)

Output Voltage	S1	S2
100V / 200V	OFF	OFF
110V / 220V	ON	OFF
115V / 230V	OFF	ON
120V / 240V	ON	ON

Output Frequency switch Function (S3)

Frequency	S3
50HZ	OFF
60HZ	ON

Battery Type Select Function (S7,S8)：

Battery Type	S7	S8
GEL	OFF	OFF
Flooded	ON	OFF
AGM	OFF	ON
Customer	ON	ON
Battery Type	Bulk	Absorption
---	---	---
GEL	14.40V	14.10V
Flooded	14.70V	14.60V
AGM	14.70V	14.30V
Customer	14.70V	14.50V

DC Source Output On/Off Function (S11)

ESB function	S11
OFF	OFF
ON	ON

Power Saving Load Function

SC series -212, -224	Default: 40VA
Entering the saving power	Load<32VA
Wake up the saving power	Load>40VA
SC series -112, -124	Default: 20VA
---	---
Entering the saving power	Load<16VA
Wake up the saving power	Load>20VA

Rear panel

BAT. TEMP. Port (RJ-11) \

$BAT. TEMP. Port $RJ-11$$

Pin Number	Signal Description
1	Not used
2	GND
3	Batteries temperature sensor
4	Battery Detect
5	Not used
6	Not used

Remote Port (RJ-11)

Pin Number	Signal Description
1	Reserved
2	GND
3	RXD
4	TXD
5	RMT
6	VCC

Remote Control & Green Terminal

Remote control green terminal may be connected to a Form C relay for “FAULT” indication. When “FAULT” occurs, the relay switches.

Remote control terminal

Item	Description	Item	Description
1	Dry contact (Normal Open)	4	Enable+ (ENB)
2	Common	5	Enable- (ENB)
3	Dry contact (Normal Closed)	6	Ground

Dry contact terminal definition

Remote Control & Green Terminal

Specifications of the Relay

Maximum Voltage|

Load

| Contact Rating| Number of operations| Operating/Storage Temperature
---|---|---|---|---
N.O| N.C
250 VAC| Resistive| 1 A| —| 100,000|

-30℃~75℃

250 VAC| Resistive| —| 1 A| —
24 VDC| Resistive| 1 A| —| —
24 VDC| Resistive| —| 1 A| —

www.ctm-marine.com

Documents / Resources

| CTM SC-1200 series 1200W Pure Sine Wave Inverter / Charger [pdf] Instruction Manual
SC-1200 series 1200W Pure Sine Wave Inverter Charger, SC-1200 series, 1200W Pure Sine Wave Inverter Charger, Wave Inverter Charger, Inverter Charger
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