Laars Rheos RHCH Manuals

Laars Rheos RHCH Manuals

Manuals and User Guides for Laars Rheos RHCH. We have 1 Laars Rheos RHCH manual available for free PDF download: Installation And Operation Instructions Manual

Laars Rheos RHCH Installation And Operation Instructions Manual

Laars Rheos RHCH Installation And Operation Instructions Manual (60 pages)

Modulating Boiler; Modulating Water Heater

Brand: Laars | Category: Boiler | Size: 4.48 MB

Table of Contents

Table of Contents
2
Section 1.

3
General Information

3
Section 2.

7
Venting and Combustion Air

7
Section 3.

15
- Vertical Combustion Air Terminal
  15
- Common Vent Test - Boilers
  15
Gas Supply and Piping

15
Section 4A

18
Water Connections - Rheos Boiler

18
Section 4B

19
Water Connections - Rheos Water Heater

19
Section 5.

21
Electrical Connections

21
- Main Power
  21
- Pump Connections
  21
- Temperature Control - Boiler
  21
- Temperature Control - Water Heater
  21
- Remote Water Heater Temperature Control
  21
- Internal Water Heater Temperature Control
  22
- Temperature Control Features
  22
- Temperature Setpoint
  24
- Differential Setting
  24
- Offset
  24
- Throttling Range
  24
- Minimum Output Setting
  24
- Integration Constant
  24
- External Control Connections
  25
- Wiring Diagrams
  25
Section 6.

38
Operating Instructions

38
- Filling the Boiler System
  38
- Operating the Burner and Set up
  38
Section 7.

40
- Shutting down the Rheos
  40
- To Restart the Rheos
  40
Maintenance

40
- System Maintenance
  40
- Appliance Maintenance and Component Description
  40
- Burner
  41
- Filter
  41
- Modulating Gas Valve
  41
- Safety Gas Valve
  41
- Manual Reset High Limit Control
  41
- Temperature Control
  41
- Ignition Control
  41
- Ignitor / Flame Sensor Assembly
  42
- Transformers
  42
- Blower
  42
- Flow Switch
  42
- Heat Exchanger Coil
  42
- Normally Open Vent Valve
  43
- Motorized Safety Valve
  43
- Gas Pressure Switches
  44
Section 8.

45
Trouble Shooting

45
Section 9.

46
Replacement Parts

46
- General Information
  46
- Parts List
  47
Tables Listing

56
Figures Listing

56

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