LAARS MagnaTherm MGV - Installation, Operation and Maintenance Instructions User Manual
Agna, Herm, Installation and operation instructions for
Installation and Operation Instructions
Document 1276C
H2359200C
WARNING
If the information in these instructions is
not followed exactly, a fire or explosion
may result causing property damage,
personal injury or death.
Do not store or use gasoline or other
flammable vapors and liquids in the vicinity
of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from
a neighbor’s phone. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier, call
the fire department.
Installation and service must be performed
by a qualified installer, service agency, or gas
supplier.
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
qualified in hot water boiler and heater installation and maintenance. Improper installation and/or operation
could create carbon monoxide gas in flue gases which could cause serious injury, property damage, or
death. Improper installation and/or operation will void the warranty.
AVERTISSEMENT
Assurez-vous de bien suivres les instructions
données dans cette notice pour réduire au
minimum le risque d’incendie ou d’explosion ou
pour éviter tout dommage matériel, toute blessure
ou la mort.
Ne pas entreposer ni utiliser d’essence ou ni
d’autres vapeurs ou liquides inflammables dans
le à proximité de cet appareil ou de tout autre
appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:
• Ne pas tenter d’allumer d’appareils.
• Ne touchez à aucun interrupteur. Ne pas vous servir
des téléphones dans le bâtiment où vous vous trovez.
• Appelez immédiatement votre fournisseur de
gaz depuis un voisin. Suivez les instructions du
fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de
gaz, appelez le sservice des incendies.
L’installation et l’entretien doivent être assurés par
un installateur ou un service d’entretien qualifié ou
par le fournisseur de gaz.
Modulating Boiler
Water Heater
Model MGH2000
Model MGV2000
1,999 MBTU/h
1,999 MBTU/h
Model MGH2500
Model MGV2500
2,499 MBTU/h
2,499 MBTU/h
Model MGH3000
Model MGV3000
3,000 MBTU/h
3,000 MBTU/h
Model MGH3500
Model MGV3500
3,500 MBTU/h
3,500 MBTU/h
Model MGH4000
Model MGV4000
4,000 MBTU/h
4,000 MBTU/h
Installation and
Operation Instructions for
M
AGNA
T
HERM
®
Document Outline
- Table of Contents
- Section 1. GENERAL INFORMATION
- Section 2. LOCATING THE APPLIANCE
- Section 3. VENTING AND COMBUSTION AIR
- Section 4. GAS SUPPLY AND PIPING
- Section 5. WATER FLOW REQUIREMENTS
- Section 6. WATER CONNECTIONS MGH BOILERS
- 6.1 MGH System Piping:Hot Supply Connections
- 6.2 MGH Cold Water Make-Up
- 6.3 MGH Freeze Protection
- 6.4 MGH Suggested Piping Schematics
- 6.5 Condensate Drain Trap
- Hydronic Piping — Single Boiler, Multiple Temperature Zones
- Hydronic Piping — Single Boiler with Low Temperature Zones and Indirect DHW Tank
- Hydronic Piping — Multiple Boilers, Multiple Temperature Zones, Reverse Return.
- Hydronic Piping — Multiple Boilers, Indirect DHW Off of One Boiler
- Section 7. WATER CONNECTIONS MGV UNITS
- Section 8. ELECTRICAL CONNECTIONS
- Section 9. NAVIGATING THE TOUCH SCREEN
- 9.1 The Touch Screen
- 9.2 Using the Touch Screen
- 9.3 Verification Process for Safety-Related Parameters
- 9.4 Checking Individual Parameters
- 9.5 Configuring Parameters
- 9.6 Setting the Date and Time on theSystem Display
- 9.7 Configuration Menus
- 9.7.1 System Identification & Access
- 9.7.2 CH - Central Heat Configuration
- 9.7.3 Outdoor Reset Configuration
- 9.7.4 DHW - Domestic Hot WaterConfiguration
- 9.7.5 Warm Weather ShutdownConfiguration
- 9.7.6 Demand Priority Configuration
- 9.7.7 Modulation Configuration
- 9.7.8 Pump Configuration
- 9.7.9 Statistics Configuration
- 9.7.10 High Limits
- 9.7.11 Stack Limits
- 9.7.12 Delta T Limits-
- 9.7.13 Frost Protection
- 9.7.14 Burner Control Ignition
- 9.7.15 System Configuration
- 9.7.16 Sensor Configuration
- 9.7.17 Lead Lag Slave Configuration
- Control Settings for Lead/Lag System -Part 1
- 9.7.18 Lead Lag Master Configuration
- 9.8 Parameter Defaults and Ranges
- 9.9 Connections to aBuilding Automation System
- 9.10 Vari-Prime
- 9.11 – Combustion Setup Procedure
- Section 10. INITIAL STARTUP INSTRUCTIONS
- Section 11. MAINTENANCE
- Section 12. TROUBLESHOOTING
- Section 13. REPLACEMENT PARTS
- 13.1 General Information
- 13.2 Component Illustrations, Parts Lists, and Part Numbers
- 13.2.1 Frame and Jacket Assembly, Part Numbers
- Final Assembly
- 13.2.2 Final Assembly, Part Numbers
- 13.2.3 Waterway Outlet Assembly, Part Numbers
- 13.2.4 Blower Burner Assembly,Part Numbers (Model 2000)
- 13.2.5 Blower Burner Assembly, Part Numbers (Models 2500 and 3000)
- 13.2.6 Blower Burner Assembly,Part Numbers (Models 3500 and 4000)
- Gas Train Assembly (Models 2000, 2500 and 3000)
- 13.2.7 Gas Train Assembly, Part Numbers (Models 2000, 2500 and 3000)
- Gas Train Assembly (Models 3500 and 4000)
- 13.2.8 Gas Train Assembly, Part Numbers (Models 3500 and 4000)
- Control Panel Assembly
- 13.2.9 Control Panel Assembly, Part Numbers