Daitsu FDHD-75-V Manuals

Manuals and User Guides for Daitsu FDHD-75-V. We have 1 Daitsu FDHD-75-V manual available for free PDF download: Installation And Maintenance Manual

Daitsu FDHD-75-V Installation And Maintenance Manual

Daitsu FDHD-75-V Installation And Maintenance Manual (50 pages)

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Brand: Daitsu | Category: Heater | Size: 5.05 MB

Table of Contents

Table of Contents
3
Technical Data

6
- General Description
  6
- General Specifications
  7
  - 2-Pipe Systems
    7
  - 4-Pipe Systems
    8
- Coil Data
  8
- Sound Power Data
  9
- Dimension Drawings
  10
- Valve Information (Optional)
  12
  - On/Off Ball Valve Models
    12
  - Modulating Valve Models
    13
Installation

14
- Safety Precautions
  14
- Location
  15
- Installation Procedures
  15
- Pipes Connection
  17
- Electrical Connection
  18
Maintenance

20
- General Maintenance
  20
- Regular Maintenance
  20
- Filter Cleaning
  20
- Fan Motor Assembly Maintenance
  20
Control Specifications: Complete Function PCB: AC-S1

21
- I/O Port Definitions
  21
- Wiring Diagram
  22
  - Complete Function PCB: AC-S1
    22
- Configuration Settings
  23
  - Fan Coil Unit ON/OFF
    24
  - Auto Restart
    24
- Control Logics for 2-Pipe System
  25
  - With Valve Configuration
    25
  - Without Valve Configuration
    27
- Control Logics for 4-Pipe System
  28
- Sleep Mode
  30
- Auto Fan Speed
  30
- Buzzer
  31
- Auto Restart
  31
- On/Off Switch on LED Display Panel
  31
- Electric Heater Safety Switch
  31
- Low Temperature Protection of Indoor Coil in Winter
  31
- LED Display and Error Description
  32
- LED Display on Master/Slave Connection
  33
- Master-Slave Network
  34
- Open Modbus Protocol
  38
User Interface

41
- Remote Handset
  41
- Wired Wall Pad Controller
  42
Sensor Resistance R-T Conversion Table

46
Troubleshooting

47
Accessories

48

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