# SMH-II-2.2KW-12V-WIFI Inverter Setup Guide for Ireland

**URL:** <https://minica.tech/t/smh-ii-2-2kw-12v-wifi-inverter-setup-guide-for-ireland/205>\
**Category:** Solar Power Systems\
**Tags:** smh-ii-22kw, 12v, inverter, wifi, easun-power\
**Created:** [October 17, 2024, 12:23pm UTC](https://minica.tech/t/smh-ii-2-2kw-12v-wifi-inverter-setup-guide-for-ireland/205 "2024-10-17T12:23:20Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Vasile.Minica](https://minica.tech/user_avatar/minica.tech/vasile.minica/32/3_2.png) [@Vasile.Minica](https://minica.tech/u/Vasile.Minica)\
**Post date:** [October 17, 2024, 12:23pm UTC](https://minica.tech/t/smh-ii-2-2kw-12v-wifi-inverter-setup-guide-for-ireland/205/1 "2024-10-17T12:23:20Z")

</div>

This article provides a detailed guide on configuring the **SMH-II-2.2KW-12V-WIFI inverter** for a solar-powered off-grid or hybrid system in Ireland. The configuration is based on a 12V system using **LiFePO4 (Lithium Iron Phosphate)** batteries and solar panels, specifically suited to Ireland’s electrical grid and climatic conditions.

 ![image](https://minica.tech/uploads/default/original/1X/048da93dda1917812b463d903eae08f3857af672.jpeg)

## **System Overview**

### **Battery System:**

- **Battery Type** : LiFePO4 (Lithium Iron Phosphate)
- **Capacity** : 12V 100Ah (4 x 3.2V 100Ah cells in series)
- **Nominal Voltage** : 12.8V
- **Fully Charged Voltage** : 14.6V
- **BMS** : 4S 12V 100A LiFePO4 BMS

### **Solar Panels:**

- **Topsolar 200W Panels** (Two Kits = 4 panels total) this setup is for limited space
- **Panel Configuration** : Series connection to reach higher voltages for optimal inverter operation
- **Maximum Output Power** : 800W total (4 x 200W)

### **Location-Specific Configuration:**

- Ireland operates on 230V and 50Hz AC output.

## **Recommended Inverter Settings**

Here are the recommended settings for the **SMH-II-2.2KW-12V-WIFI inverter** to optimize performance based on your battery, solar panel setup, and Ireland’s grid standards:

| **Program No.** | **Setting** | **Description** |
| --- | --- | --- |
| **00** | **ESC** | Exit setting mode |
| **01** | **SBU** | Prioritizes solar and battery before using utility power (Solar-Battery-Utility) |
| **02** | **60A** | Maximum charging current from solar/utility (based on BMS specifications) |
| **03** | **APL** | AC input voltage range for appliances (wide range, ideal for home use) |
| **04** | **SdS** | Power-saving mode disabled |
| **05** | **USE** | User-defined battery type (for custom LiFePO4 settings) |
| **06** | **Lrd** | Auto-restart after overload disabled (optional based on preferences) |
| **07** | **tEd** | Auto-restart after overheating disabled (optional) |
| **08** | **220V** | Output voltage set to 220V (Ireland uses 230V, so this is within range) |
| **09** | **50Hz** | Output frequency set to 50Hz (Ireland’s standard) |
| **10** | **PAC** | Set maximum utility charging current (30A or 60A depending on setup) |
| **11** | **30A** | Utility charging current based on your battery specifications |
| **12** | **11.5V** | Voltage for switching back to utility power (discharge threshold) |
| **13** | **12.8V** | Voltage for switching back to battery mode when SBU is selected |
| **16** | **CSO** | Charger source priority (Solar first) |
| **17** | **60A** | Maximum charging current from AC source |
| **18** | **bON** | Alarm control enabled (optional) |
| **19** | **ESP** | Auto-return to default display enabled (after 1 minute of inactivity) |
| **20** | **LON** | LCD backlight control enabled |
| **21** | **AON** | Beep when primary power source is interrupted |
| **22** | **bLd** | Overload bypass disabled |
| **23** | **FEN** | Record fault codes for troubleshooting |

### **Battery Charging Settings**

| **Program No.** | **Setting** | **Description** |
| --- | --- | --- |
| **26** | **14.1V** | Bulk charging voltage for fast charging |
| **27** | **13.5V** | Floating voltage to maintain charge without overcharging |
| **29** | **10.5V** | Low DC cutoff voltage to prevent battery damage |

### **Battery Equalization Settings (Not Recommended for LiFePO4)**

| **Program No.** | **Setting** | **Description** |
| --- | --- | --- |
| **33** | **EdS** | Battery equalization disabled (LiFePO4 batteries do not require equalization) |
| **39** | **AdS** | Equalization activated immediately (Ensure this is disabled) |

Download the Manual here:

> **[Manual SMH2.2-3.2KW-EASUN.pdf](https://drive.google.com/file/d/1_aQM86k9SfmBdnrjl5LnWEq9nH6ocxUB/view?usp=sharing)**
>
> Google Drive file.

## **Conclusion**

For your setup, using **4 Topsolar 200W panels in series** ensures the inverter operates within its MPPT voltage range. The battery system, configured with a **LiFePO4 battery pack** , is optimized for long life and stable operation. Make sure to configure the **inverter’s settings** as per the table above for best performance in Ireland’s electrical grid.

If you have any questions about these settings or your system’s configuration, feel free to ask in the comments!