Mod Con 850 Manuals

Manuals and User Guides for Mod Con 850. We have 1 Mod Con 850 manual available for free PDF download: Installation Manual

Mod Con 850 Installation Manual

Mod Con 850 Installation Manual (76 pages)

GAS-FIRED BOILER

Brand: Mod Con | Category: Boiler | Size: 2 MB

Table of Contents

Table of Contents
3
Part 1: Product and Safety Information

5
Part 2: before You Start

7
Part 3: Prepare Boiler Location

8
Part 4: Prepare Boiler

13
Part 5: Boiler Piping

14
- Relief Valve
  14
- General Piping Information
  15
- Backflow Preventer
  15
- System Water Piping Methods
  15
- Circulators
  15
- Hydronic Piping with Circulators, Zone Valves and Multiple Boilers
  15
- Boiler Piping Details
  17
- Circulator Sizing
  21
- J Zoning with Zone Valves
  24
- Zoning with Circulators
  24
- Multiple Boilers
  24
Part 6: Venting, Combustion Air & Condensate Removal

25
Part 7: Gas Piping

36
- Gas Connection
  36
- Gas Piping
  37
- Gas Table
  37
- Check Inlet Gas Pressure
  37
- Dungs Gas Valve
  38
Part 8: Field Wiring

41
Part 9. Start-Up Preparation

50
- Check/Control Water Chemistry
  50
- Freeze Protection (When Used)
  50
- Fill and Test Water System
  50
- Purge Air from Water System
  51
- Check for Gas Leaks
  51
- Check Thermostat Circuit(S)
  52
- Condensate Removal
  52
- Final Checks before Starting Boiler
  52
- Cascade System
  52
Part 10. Start-Up Procedure

53
- Operating Instructions
  54
- Adjusting the Setpoint
  54
- Status Menu
  54
- Test Mode
  55
Part 11 - Start-Up Procedures for the Installer

56
- Programming for the Installer
  56
- Program Access
  56
- Program Navigation
  56
Part 12: Troubleshooting

59
- Mod con Error Code
  59
- Boiler Error
  59
- Boiler Fault
  59
Part 13: Maintenance

62
- Maintenance Procedures
  62
- Combustion Chamber Coil Cleaning Instructions for Mod con 300/500 Only
  63

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