Lochinvar 402 Manuals

Manuals and User Guides for Lochinvar 402. We have 2 Lochinvar 402 manuals available for free PDF download: Service Manual, Communication Instruction Manual

Lochinvar 402 Service Manual

Lochinvar 402 Service Manual (44 pages)

Copper-fin II/IIE Boiler and Water Heater

Brand: Lochinvar | Category: Boiler | Size: 1.72 MB

Table of Contents

Contents

2
Please Read before Proceeding

3
- What Is in this Manual
  4
1 Service

5
2 Maintenance

25
- Maintenance and Annual Startup
  25
  - Address Reported Problems
    26
  - Combustion Air Filter
    26
  - Check Relief Valve
    27
  - Check Control Settings
    28
  - Check Burner Flame
    28
  - Review with Owner
    32
  - Oiled Bearing Circulators
    32
3 Troubleshooting

33

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Lochinvar 402 Communication Instruction Manual

Lochinvar 402 Communication Instruction Manual (32 pages)

Brand: Lochinvar | Category: Heater | Size: 2.36 MB

Table of Contents

1 Introduction

2
2 Modbus Configuration

3
- Addressing
  3
- Timing Speciﬁ Cations
  4
- Parity
  4
- Data Transmission Mode
  4
- Modbus Board Diagnostics
  4
  - Internal Faults
    4
  - Modbus Function Set
    5
- Modbus Exception Codes
  6
3 MODBUS MEMORY MAP Primary Data Tables

7
- Copper-Fi N II/IIE Memory Map
  7
4 Bacnet Configuration

9
- Addressing
  9
- Timing Speciﬁ Cations
  10
- Board Diagnostics
  10
  - Internal Faults
    10
5 BACNET MEMORY MAP Primary Data Tables

11
- Copper-Fi N II/IIE Memory Map
  11
  - Bacnet
    12
  - Holding Registers
    12
  - Input Registers
    12
  - Bacnet
    13
  - Modbus Mounting/Wiring Instructions
    13
    
    Bacnet
    14
    
    Bacnet
    15
  - Physical Wiring
    15
    
    Bacnet
    16
    
    Bacnet
    17
    
    Bacnet
    18
  - Typical Boiler System Wiring
    18
  - Bacnet
    19
6 Wiring Requirements

12
- Bacnet
  20
7 Unit Operation

20
- Bacnet
  21
- Bacnet
  22
8 Troubleshooting

24
- Diagrams
  26
- Ladder Diagram
  26
- Ladder Diagram
  27
- Connection Diagram
  28
  - Bacnet
    29
  - Bacnet
    30
  - Bacnet
    32
- Revision Notes
  32

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