Daikin Oil Cooling Unit Model 8 Service Manual – PDF

Description

Daikin Oil Cooling Unit Model 8 Service Manual – PDF DOWNLOAD

Description

This original Daikin Oil Cooling Unit (Model 8) Service Manual is a factory-issued technical guide developed for professional service technicians, industrial maintenance teams, and authorized Daikin service engineers.

The manual provides in-depth technical coverage of Daikin’s AKZ (Recirculation Type) and AKZJ (Dipping Open Type) oil cooling units, widely used in machine tools, hydraulic systems, and industrial temperature control applications.

It explains not only how the unit works, but also how to diagnose, repair, replace, and fine-tune components safely and accurately.

✅ Models Covered

AKZ Series (Recirculation Type)

• AKZ148 / 328 / 438 / 568 / 908

• Variants: -B, -C, -E1, -E2, -E3, -H, -T

AKZJ Series (Dipping Open Type)

• AKZJ188 / 358 / 458 / 568 / 908

• Variants: -B, -C, -E1, -E2, -E3, -H

🧭 What This Service Manual Covers

1️⃣ List of Models & Specifications

• Complete model matrix with voltage, heater, CE, and transformer variants

• Cooling capacity, oil viscosity limits, operating ranges

• Refrigerant: R410A

2️⃣ Operating Principles

• Refrigeration cycle explanation

• Electronic Expansion Valve (EV valve) control logic

• Oil pump characteristics and relief valve behavior

• Differences between oil cooling units and air conditioners

3️⃣ Wiring Diagrams

• Full electrical wiring diagrams for:

  • AKZ series

  • AKZJ series

  • Heater, CE, and multi-voltage versions

• Clearly labeled terminals, sensors, PC boards, motors, and protection devices

4️⃣ Piping Diagrams

• Refrigerant and oil flow diagrams

• Compressor, condenser, evaporator, accumulator, oil pump layout

• Thermistor locations and pressure protection devices

5️⃣ Control Panel & Functions

• Control panel parts and functions

• Operation modes:

  • Normal Mode

  • Setting Mode

  • Monitor Mode

  • Timer Mode

  • Parameter & Auto-Tuning Modes

6️⃣ Functions & Error Handling

• Operation flowcharts

• List of malfunctions and warning codes

• Protective functions and interlocks

7️⃣ Troubleshooting

• Symptom-based troubleshooting

• Error code diagnostics

• Step-by-step fault isolation procedures

8️⃣ Removal & Replacement

• Unit disassembly procedures

• Main PCB replacement

• Electronic expansion valve replacement

• Safe handling instructions

9️⃣ Reference Data

• Thermistor temperature–resistance tables

• Refrigerant characteristics (R410A)

• Optional parts installation procedures

📂 File Details

💡 Why Buy This Manual?

If you service or maintain Daikin industrial oil cooling units, this manual gives you factory-level diagnostics, wiring, piping, and troubleshooting data in one instant download. Eliminate guesswork, reduce downtime, and service Daikin equipment with confidence.

👉 Download now and get immediate access to the complete Daikin service documentation.