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Heating System
21
Service manual
Monitor 21 Service Manual
Monitor heating systems
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Table Of Contents
71
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of
71
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71
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Description
Specifications
Special Features
Safety Features
Spill Tray
Heater Cabinet
Combustion System
Flame Sensor
Fuel Delivery System
External Fuel Tank
Fusible Link Valve
Fuel Constant Level Valve
Solenoid Pump
Electrical System
Microprocessor
Temperature Sensor
Elements of Combustion System
Installation
Physical Placement of Heater
Drilling Requirements
Power Requirements
Fuel Tank Requirements
Temperature Sensor Wiring Requirements
Building Codes
Unpacking
Heater Installation
Flue Pipe Clearances
Frontal Clearance
Overhead Clearance
Side Clearance
Installation of Flue Pipe Window Kit
How to Prevent Freezing in Cold Climate
Install Window Lock
Installing an Extension Kit
Components of Extension Kit
Max Lengths and Bends Allowable Using Extension Kits
Typical Monitor Lifter Pump Installations
Uses for the Elbow Adapter Kit
Parts List Exploded
Fuel Tank Installation
Fueling Options Available
Recommendation
Alternative Sources of Fuel Storage
Typical Fuel Line Connections
Operating Specifications
Heater Performance Specifications
Monitor 441
Section 3 : Operation
Heating Systems
Monitor 422
Heater Performance
Specifications
Operating Controls and Indicators
Clock Set
Pre-Operation Checklist
Manual Heater Operation
Automatic Heater Operation
Instructions for Economy Plus Mode
Program Clock for Current Time
Reprogramming the Monitor Heater
Heat Sensor
Monitor Shutdown
Out of Fuel
Recovery from a Power Failure
Recovery from Overheat Condition
Recovery from Blown Fuse
Suggested Maintenance Activities
Section 4: Maintenance
Periodic Maintenance
Inspect Exhaust/Air Piping
Verify Igniter Operation
Clean Fuel Constant Level Valve Filter
Cleaning Fusible Link Valve Intake Fitting
Corrective Maintenance
Replacement of Fuses
Fuel Contamination
Servicing
Measurement of Fuel Flow Rate
Cleaning the Burn Chamber & Burner Pot
Cleaning the Fuel Inlet
Monitor 422/441 Resistance Values
Section 6: Troubleshooting
Monitor 4221441 Component Voltage Readings
Test Point Voltage
Indlcatlon of FAILURE MODE
Connection of Lead Wires
Section 7: Electrical System
Manometer Readings
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Specifications
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Section 6: Troubleshooting
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MONiTOR HEATING
SYSTEMS
Service
Manual
MONITOR422
.
MONITOR 2 2
MONITOR 21,
MONITOR
441
MONITOR 41
MONITOR 40
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