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ST Series
Pure Sine Wave
Power Inverter
User’s Manual
e13
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Contents 1. Important Safety Instructions……………………………………………………………………. 2 1-1 General safety precautions…………………………………………………………………… 2 1-2 Precautions when working with Batteries…………………………………………………… 2 2. Functional Characteristics.………………………………………………………………………. 3 2-1 General Information………………………………………………………………………….3 2-2 Application…………………………………………………………………………………….3 2-3 Features……………………………………………………………………………………….3 2-4 Electrical Performance………………………………………………………
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1. Important Safety Instructions WARNING ! Before using the Inverter, read and save the safety instructions. 1-1. General Safety Precautions 1-1-1. Do not expose the Inverter to rain, snow, spray, bilge or dust. To reduce risk of hazard, do not cover or obstruct the ventilation openings. Do not install the Inverter in a zero-clearance compartment. Overheating may result. 1-1-2. To avoid a risk of fire
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2. Functional Characteristics 2-1. General Information ST-series completes with stand –alone power inverter with AC transfer switch and is suitable for RV, Marin and Emergency appliances. When utility AC power cutoff, the transfer relay is de-energized and the load is automatically transferred to the Inverter output. Once the AC utility is restored, the relay is energized and the load is automatically reconnected to AC utility. This power inverter series is a member of the most adv
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2-3-4. Speed up transfer time and synchronized operation with the AC source at all times that allows the transfer to be interruption-free for sensitive equipments. 2-3-5. Built in advance microprocessor to make friendly interface with user. 2-3-6. Low power “ Power Saving Mode “ to conserve energy 2-3-7. Capable of driving highly reactive & capacitive loads at start moment. 2-3-8. Hardwire AC connection model option. 2-3-9. Loading controlled cooling fan. 2-3-10. Smart remote
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2-4. Electrical Performance Specification Model No. ST1000-112 ST1000-124 ST1000-148 ST1000-212 ST1000-224 ST1000-248 Item Continuous Output Power 1000W Maximum Output Power (3Min.) 1150W Surge Rating 2000W Input Voltage 12V 24V 48V 12V 24V 48V Output Voltage 100 / 110 / 120V ± 3% 220 / 230 / 240V ± 3% Frequency 50 / 60Hz +/- 0.05% (Switch Selectable) Output Waveform Pure Sine Wave (THD < 3%) Efficiency (full load) 88% 91% 92% 90% 93% 94% No Load Current Draw 1.43A 0.75A 0
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2-4. Electrical Performance Specification Model No. ST1500-112 ST1500-124 ST1500-148 ST1500-212 ST1500-224 ST1500-248 Item Continuous Output Power 1500W Maximum Output Power (3Min.) 1725W Surge Rating 3000W Input Voltage 12V 24V 48V 12V 24V 48V Output Voltage 100 / 110 / 120V ± 3% 220 / 230 / 240V ± 3% Frequency 50 / 60Hz +/- 0.05% (Switch Selectable) Output Waveform Pure Sine Wave (THD < 3%) Efficiency (full load) 88% 91% 92% 90% 93% 94% No Load Current Draw 1.45A 0.75A 0
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2-4. Electrical Performance Specification Model No. ST2000-112 ST2000-124 ST2000-148 ST2000-212 ST2000-224 ST2000-248 Item Continuous Output Power 2000W Maximum Output Power (3Min.) 2300W Surge Rating 4000W Input Voltage 12V 24V 48V 12V 24V 48V Output Voltage 100 / 110 / 120V ± 3% 220 / 230 / 240V ± 3% Frequency 50 / 60Hz +/- 0.05% (Switch Selectable) Output Waveform Pure Sine Wave (THD < 3%) Efficiency (full load) 88% 91% 92% 90% 93% 94% No Load Current Draw 2.6A 1.50A 0.
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2-4. Electrical Performance Specification Model No. ST2500-112 ST2500-124 ST2500-148 ST2500-212 ST2500-224 ST2500-248 Item Continuous Output Power 2500W Maximum Output Power (3Min.) 2875W Surge Rating 5000W Input Voltage 12V 24V 48V 12V 24V 48V Output Voltage 100 / 110 / 120V ± 3% 220 / 230 / 240V ± 3% Frequency 50 / 60Hz +/- 0.05% (Switch Selectable) Output Waveform Pure Sine Wave (THD < 3%) Efficiency (full load) 88% 91% 92% 90% 93% 94% No Load Current Draw 2.35A 1.3A 0.
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2-5. Mechanical drawings AC INPUT POWER POWER STATUS 0 INPUT 1 LEVEL S S S S LOAD 1 2 3 4 LEVEL REMOTE BREAKER PORT ON-OFF-REMOTE DC INPUT NEG(-) POS(+) REVERSE POLARITY WILL DAMAGE UNIT 9 ST1000 373.00 [14.69] ST1500 403.00 [15.87] I 0
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2-5. Mechanical drawings AC INPUT POWER POWER STATUS 0 INPUT 1 LEVEL S S S S LOAD 1 2 3 4 LEVEL REMOTE WARNING: REVERSE POLARITY WILL DAMAGE UNIT BREAKER PORT ON-OFF-REMOTE DC INPUT POS(+) NEG(-) 10 ST2000 433.00 [17.05] ST2500 463.00 [18.23] I 0
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3. Installation 3-1.Where to install The power inverter should be installed in a location that meets the following requirements: 3-1-1. Dry – Do not allow water to drip or splash on the inverter. 3-1-2. Cool – Ambient air temperature should be between 0 and 40 , the cooler the better. 3-1-3. Safety – Do not install batteries in compartment or other areas where flammable fumes existence such as fuel storage areas or engine compartments. 3-1-4. Ventilated – Allow at least on
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3-2 Hard-wire Installation AC wiring connections: 3-2-1. The AC wiring compartment is located on the front panel of the ST series. Remove the AC wiring compartment cover to gain access to the AC terminal. WARNING! Before you connect AC wiring to the terminals of compartment cover, ensure to check the label in the compartment for correct connections. Wrong connection will damage the inverter. 12
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3-2-2. Connect AC output and AC input wiring to the ST series terminals. Please take the following information as your reference. Wire length / gauge Terminal Wire color ST1000&ST1500 ST2000&ST2500 Line (L) Black AC OUTPUT Neutral (N) White Within 16 feet / AWG# Within 16 feet / AWG# Line (L) Brown AC 14~16 10 ~12 INPUT Neutral (N) Blue 26~32 feet / AWG# 26~32 feet / AWG# Green / 12~14 8 ~10 Ground Yellow or Bare copper 3-2-3. Please double chec
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ST2000 ST2500 AC INPUT POWER POWER STATUS 0 INPUT 1 LEVEL S S S S LOAD 1 2 3 4 LEVEL REMOTE WARNING: REVERSE POLARITY WILL DAMAGE UNIT BREAKER PORT ON-OFF-REMOTE DC INPUT POS(+) NEG(-) 3-3 DC Wiring Connections Follow the instructions to connect the battery cables to DC input terminals of the Inverter. The cable should be as short as possible (less than 6 feet / 1.8 meters ideally) so that it can handle the required current in accordance with the electrical codes or re
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Model No Wire AWG Inline Fuse ST1000-112 / 212 # 2 150 A ST1000-124 / 224 # 4 80 A ST1000-148 / 248 # 6 40 A ST1500-112 / 212 # 2 200 A ST1500-124 / 224 # 4 100 A ST1500-148 / 248 # 6 50 A ST2000-112 / 212 # 2/0 250 A ST2000-124 / 224 # 1/0 125 A ST2000-148 / 248 # 2 70A ST2500-112 / 212 # 4/0 400 A ST2500-124 / 224 # 2/0 200 A ST2500-148 / 248 # 1/0 100 A 3-3-1. Connect the cables to the power input terminals on the front panel of the inverter. The red terminal is positive (+
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NEG(-) POS(+) AWG#2 - #6 ST-1000 ST-1500 INLINE FUSE 16
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PVC WIRE RING TERMINAL M8 NUT WASHER SPRING WASHER RING TERMINAL WASHER SPRING WASHER M8 NUT Append: The holes on red/black plastic cover of DC input terminal are on top when in production. PLASTIC COVER The user can change them to the bottom if necessary. ST2000 ST2500 INLINE FUSE AC INPUT POWER POWER STATUS 0 INPUT 1 LEVEL S S S S LOAD 1 2 3 4 LEVEL REMOTE WARNING: REVERSE POLARITY WILL DAMAGE UNIT BREAKER PORT ON-O
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4. Introduction: 4-1.Inverter Operation Switch the power ON, then the power inverter is ready to supply AC power to the loads. Turn on the loads separately after the inverter is ON to prevent OVP status caused by the surge power. 4-1-1. Switch the power ON, then the buzzer will send out beep sound. At the moment, the inverter is doing self-diagnosis. Then the LED’s indicators will also show various colors. Finally, the buzzer will send out another beep, and the Input Level and Sta
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AC INPUT POWER POWER STATUS 0 INPUT 1 LEVEL S S S S LOAD 1 2 3 4 LEVEL REMOTE WARNING: REVERSE POLARITY WILL DAMAGE UNIT BREAKER PORT ON-OFF-REMOTE DC INPUT POS(+) NEG(-) 4-2-2. Power ON / OFF / REMOTE (Main) switch: a. Before installing the inverter, you need to ensure the main switch is in the OFF position. b. Before using the remote unit, you need to ensure the main switch is in the REMOTE position. 4-2-3. AC input Circuit Breaker: The AC input circuit br
