KTF1220-JYINS Electric

KTF1220

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General Safety Instructions

Danger of explosion due to improper handling of batteries! Corrosive hazard by leaking battery acid! Keep children away from batteries and acid! Smoking, fire and naked lights are prohibited when handling batteries. Prevent sparking and wear eye protection gear during installation.

Solar modules generate power from light incidence. Even by low light incidence solar modules carry the full voltage. Therefore, work cautiously and avoid sparking during all work.

Use only well-isolated tools!

If the regulator is operated in a manner not specified by the manufacturer, the regulator’s constructive protective measures can deteriorate.The factory signs and marking may not be modified, removed or made unrecognizable. All work must be performed in conformity with the national electrical specifications and related local regulations!

When installing the regulator in foreign countries, information concerning regulations and protective measures must be obtained from the relevant institutions / authorities.

Do not begin the installation until you are sure that you have technically understood the manual and perform the work only in the order provided in this manual!

The manual must be available during all work performed on the system, third parties included.

This manual is a component of the system regulator and must be included with the regulator when given to a third person.

The Controller is equiped with a low power surge protection. The installer had to care for a efficient lightning protection.

Scope of Application

The charge regulator is only suitable for regulating photovoltaic solar modules. Never connect another charging source to the charge regulator. This can destroy the regulator and / or source.
The regulator is only suitable for the following chargeable 12V or 24V battery types:
-Lead storage batteries with liquid electrolytes
-Sealed lead storage batteries; AGM, GEL
Important!The regulator is not suited for nickel Cadmium, nickel metal hydride, lithium ions or other rechargeable or non-rechargeable batteries.
The regulator may only be used for the particular solar applications provided.Also,observe that the permitted, model-specific, nominal currents and voltages are not exceeded.

Installation

Install the regulator near the battery on a suitable surface. The battery cable should be as short as possible and have a suitable cable diameter size to minimize loss, e.g. 4 mm² at 20 A and 2m length.A temperature compensated final charge voltage will extend the batteries lifetime and uses the optimum charge capacity.
Do not install the controller to direct sunlight.
To ensure the air confection on each side keep a distance of 10 cm to the regulator.
Connecting the Regulator
1.Connect the battery to the charge regulator - plus and minus
2.Connect the photovoltaic module to the charge regulator - plus and minus
3. Connect the consumer to the charge regulator - plus and minus
The reverse order applies when deinstalling!
An improper sequence order can damage the controller!

System indicator

1.Solar Indicator
Off:without enough sun,charge off.
Fast flashing:Buck/equalize charge
Constant on:Acceptance charge
Slow flashing:Float charge
2.Battery Indicator
Green:Battery power is full(V>13.4V)
Orange:Battery power is middle(12.4V<V<13.4V)
Red:Battery power is low(11.2V<V<12.4V)
Red-flashing:Battery over discharge.(11.2V<V)
3.Consume Indicator
Off:Controller output closed
On:Output normal
Slow Flashing: Continues over-current
Fast Flashing:Short-circuit
4.System mode
5.Setting button

Technical parameter

Model	KTF1230	KTF4820	KTF4830
Rated charging current	30A	20A	30A
Rated discharging current	30A	20A	30A
Short-current protection	60A	60A	60A
System voltage	12V/24V Auto adapt	48V
Over current protection	<1.3 maintain for 60s <1.6 maintain for 5s >1.6 shut down immediately	<1.3 maintain for 60s <1.6 maintain for 5s >1.6 shut down immediately


Stand-by lost	<5mA	<15mA
Charge voltage drop	≤0.26V	≤0.26V
Discharge voltage drop	≤0.15V	≤0.15V
Max solar panel votlage	21V	80V
Operating temperature	-35℃ to +55℃	-35℃ to +55℃
Equalize charging voltage	14.8V	14.8V*4
Bulk charging voltage	14.5V	14.5V*4
Acceptance charging voltage	14.2V	14.2V*4
Float charging	13.8V	13.8V*4
Charge return voltage	13.2V	13.2V*4
Discharge stop voltage	11.2V	11.2V*4
Discharge return voltage	12.6V	12.6V*4
Temperature compensation	N/C	N/C
Control mode	PWM( Pulse Width Modulation )	PWM( Pulse Width Modulation )
Maximum wire size	12AWG	12AWG
Size/weight	140×95×33mm/165g	140×95×33mm/165g

P₁General Safety Instructions P₂Scope of Application P₃Installation P₄System indicator P₅Technical parameter

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