Муқаддима
Маҳсулот ба охир расидview
The ARCTIC Liquid Freezer II 420 is an all-in-one (AIO) liquid CPU cooler designed for efficient heat dissipation from your processor. It features a PWM-controlled pump and three 140mm fans, providing quiet yet powerful cooling for a range of Intel and AMD sockets.

This image displays the complete ARCTIC Liquid Freezer II 420 unit, highlighting the large radiator with three pre-installed fans and the compact pump/cold plate unit connected by two braided tubes.
Маълумот оид ба бехатарӣ
Эҳтиётҳои умумӣ
- Ensure your system is powered off and unplugged before installation or maintenance.
- Барои пешгирӣ аз зарар, бо компонентҳо бодиққат кор кунед.
- Аз дастрасии кӯдакон дур нигоҳ доред.
- Do not attempt to open the pump or radiator as it contains coolant.
- Refer to your motherboard and CPU manuals for additional compatibility and safety guidelines.
Мундариҷаи баста
Пеш аз оғози насбкунӣ тасдиқ кунед, ки ҳама ҷузъҳо мавҷуданд:
- 1 x Liquid Freezer II 420 AIO Cooler (Radiator with 3x P14 PWM fans, pump/cold plate, and tubing pre-assembled)
- Mounting hardware for Intel sockets (1700, 1200, 115X, 2011-3, 2066)
- Mounting hardware for AMD sockets (AM5, AM4)
- 1 x ARCTIC MX-4 Thermal Paste (0.8g)

The product packaging box, confirming the inclusion of ARCTIC MX-4 thermal paste, which is essential for CPU installation.
Мушаххасоти
| Хусусият | Мушаххасоти |
|---|---|
| Андозаҳои маҳсулот | 18.01"L x 2.66"W x 5.43"H |
| Бренд | АРКТИК |
| Намуди пайвасткунандаи барқ | 4-Пин |
| Ҷилдиtage | 12 вольт |
| Ватtage | 1.44 ватт |
| Усули хунуккунӣ | Об |
| Дастгоҳҳои мувофиқ | Intel Socket: 1700, 1200, 115X, 2011-3*, 2066* *Square ILM; AMD Socket: AM5, AM4 |
| Сатҳи садо | 0.3 Сон |
| Материал | Aluminum, Copper, Rubber |
| Суръати максималии гардиш | 1700 чархзании |
| Иқтидори ҷараёни ҳаво | 72.8 cfm |
| Рақами модели ашё | ACFRE00092A |
| Вазни ашё | 4.37 фунт |
| Дарозии қубур | 450 мм |
| Андозаи радиатор | 458 (L) x 138 (W) x 38 (H) мм |
| Pump (w/o tubes) Dimensions | 98 (L) x 78 (W) x 53 (H) мм |

This diagram provides precise measurements for the radiator, fans, and pump/cold plate, crucial for checking case compatibility before installation.
Насб ва насб
Рӯйхати санҷиши пеш аз насб
- Ensure your PC case has adequate clearance for the 420mm radiator (458mm L x 138mm W x 38mm H).
- Identify your CPU socket type (Intel LGA1700, 1200, 115X, 2011-3, 2066 or AMD AM5, AM4).
- Gather necessary tools: screwdriver, thermal paste (included).
Қадамҳои насб
Follow these general steps for installation. Refer to the official user manual (PDF link provided in product data) for detailed, socket-specific instructions.
- Модараро омода кунед: Install the correct backplate and standoffs for your CPU socket.
- Хамираи гармиро татбиқ кунед: Apply a small amount of the included ARCTIC MX-4 thermal paste to the center of your CPU's integrated heat spreader (IHS).
- Насос/Поли хунукро насб кунед: Carefully place the pump/cold plate assembly onto the CPU, aligning it with the standoffs. Secure it with the provided screws.
- Mount the Radiator: Install the radiator and fans into your PC case. The Liquid Freezer II 420 is designed for front or top mounting depending on case compatibility. Ensure proper airflow direction.
- Кабелҳои пайвастшавӣ: Connect the single 4-pin PWM cable from the pump to your motherboard's CPU_FAN or PUMP_FAN header. The fans are integrated into the sleeved tubing, simplifying cable management.
Дастурҳои амалиётӣ
Назорати PWM
The ARCTIC Liquid Freezer II 420 utilizes Pulse Width Modulation (PWM) for precise control over both the pump and fan speeds. This allows your motherboard to dynamically adjust cooling performance based on CPU temperature, optimizing for both cooling efficiency and noise levels.
VRM Fan Operation
An additional 40mm VRM fan is integrated into the pump housing. This fan provides supplementary cooling to the Voltage Regulator Modules (VRMs) on your motherboard, which can significantly reduce VRM temperatures, especially under heavy CPU loads. This fan also operates via PWM control.
Нигоҳдорӣ
Тоза кардани чанг
Regularly inspect the radiator fins and fans for dust accumulation. Use compressed air or a soft brush to gently remove dust from the radiator and fan blades. Ensure the system is powered off and unplugged before cleaning.
Системаи хунуккунӣ
The Liquid Freezer II is a closed-loop AIO system and does not require coolant refills or maintenance. Do not attempt to disassemble the unit or open the tubing, as this will void the warranty and may cause damage.
Мушкилкушо
Ҳарорати баланди CPU
- Check Thermal Paste: Ensure thermal paste was applied correctly and evenly.
- Verify Mounting Pressure: Confirm the pump/cold plate is securely mounted to the CPU with adequate pressure.
- Fan/Pump Connection: Ensure the 4-pin PWM cable is properly connected to the motherboard's CPU_FAN or PUMP_FAN header. Check BIOS settings to ensure fan control is enabled.
- Равиши ҳаво: Verify that the radiator fans are oriented correctly for optimal airflow (intake or exhaust, depending on your case configuration).
Садоҳои ғайриоддӣ (ғур-ғур, нолиш)
- Ҳубобҳои ҳаво: Initial gurgling sounds are normal as air bubbles settle in the loop. This should subside within a few hours of operation.
- Самти насос: Ensure the pump is not the highest point in the loop to prevent air from accumulating in the pump.
- Садои мухлиси: Check if any cables are obstructing fan blades.
Кафолат ва дастгирӣ
Маълумот дар бораи кафолат
The ARCTIC Liquid Freezer II 420 comes with a 6-year warranty. Please retain your proof of purchase for warranty claims.
Дастгирии муштариён
For technical assistance, warranty claims, or further inquiries, please visit the official ARCTIC support website or contact their customer service. A digital version of this manual and additional resources may be available on their webсайт.
For a comprehensive guide, you can download the official user manual: ARCTIC Liquid Freezer II User Manual (PDF)





