Lochinvar Wall Hung 399 Gas Water Boiler Manuals

Manuals and User Guides for Lochinvar Wall Hung 399 Gas Water Boiler. We have 1 Lochinvar Wall Hung 399 Gas Water Boiler manual available for free PDF download: Instructions Manual

Lochinvar Wall Hung 399 Instructions Manual

Lochinvar Wall Hung 399 Instructions Manual (40 pages)

MODBUS AND BACNET COMMUNICATION

Brand: Lochinvar | Category: Water Heater | Size: 12 MB

Table of Contents

1 Introduction

2
2 Installation

3
3 Modbus Configuration

7
- Addressing
  7
- Timing Speciﬁ Cations
  8
- Parity
  8
- Data Transmission Mode
  8
- Modbus Board Diagnostics
  8
  - Internal Faults
    8
- Modbus Function Set
  9
- Modbus Exception Codes
  10
4 MODBUS MEMORY MAP Primary Data Tables

11
- Memory Map
  11
  - Input Registers
    12
  - Holding Registers
    12
- Conﬁ Guration Bits
  12
5 Bacnet Configuration

13
- Addressing
  13
- Timing Speciﬁ Cations
  14
- Communication Board Diagnostics
  14
- Internal Faults
  14
6 BACNET MEMORY MAP Primary Data Tables

15
- Crest Boiler Memory Map
  15
- Input Registers
  15
- Holding Registers
  16
7 Wiring Requirements

16
- Physical Wiring
  17
- Control Inputs/Outputs
  18
- Control Location
  20
- Typical Boiler/Water Heater System Wiring
  22
8 Unit Operation

23
- Unit Operation with Modbus
  23
- Communications
  28
9 Troubleshooting

28
10 Diagrams

30
- Ladder & Wiring Diagrams
  30
- Revision Notes
  40

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