Monitor 21 Manuals

Manuals and User Guides for Monitor 21. We have 1 Monitor 21 manual available for free PDF download: Service Manual

Monitor 21 Service Manual

Monitor 21 Service Manual (71 pages)

MONiTOR HEATING SYSTEMS

Brand: Monitor | Category: Heating System | Size: 20.89 MB

Table of Contents

Table of Contents
2
Description
4
Specifications
4
Special Features
4
Safety Features
4
Spill Tray
5
Heater Cabinet
5
Combustion System
5
Flame Sensor
5
Fuel Delivery System
6
External Fuel Tank
6
Fusible Link Valve
6
Fuel Constant Level Valve
6
Solenoid Pump
7
Electrical System
7
Microprocessor
7
Temperature Sensor
7
Elements of Combustion System
8
Installation
10
Physical Placement of Heater
10
Drilling Requirements
10
Power Requirements
10
Fuel Tank Requirements
11
Temperature Sensor Wiring Requirements
11
Building Codes
11
Unpacking
11
Heater Installation
12
Flue Pipe Clearances
13
Frontal Clearance
13
Overhead Clearance
13
Side Clearance
13
Installation of Flue Pipe Window Kit
14
How to Prevent Freezing in Cold Climate
14
Install Window Lock
16
Installing an Extension Kit
17
Components of Extension Kit
17
Max Lengths and Bends Allowable Using Extension Kits
18
Typical Monitor Lifter Pump Installations
19
Uses for the Elbow Adapter Kit
20
Parts List Exploded
20
Fuel Tank Installation
20
Fueling Options Available
20
Recommendation
21
Alternative Sources of Fuel Storage
21
Typical Fuel Line Connections
22
Operating Specifications
23
Heater Performance Specifications
23
Monitor 441
23
Section 3 : Operation
23
Heating Systems
23
Monitor 422
24
Heater Performance
24
Specifications
24
Operating Controls and Indicators
25
Clock Set
26
Pre-Operation Checklist
28
Manual Heater Operation
29
Automatic Heater Operation
29
Instructions for Economy Plus Mode
29
Program Clock for Current Time
29
Reprogramming the Monitor Heater
30
Heat Sensor
30
Monitor Shutdown
30
Out of Fuel
31
Recovery from a Power Failure
31
Recovery from Overheat Condition
31
Recovery from Blown Fuse
32
Suggested Maintenance Activities
35
Section 4: Maintenance
35
Periodic Maintenance
35
Inspect Exhaust/Air Piping
36
Verify Igniter Operation
37
Clean Fuel Constant Level Valve Filter
37
Cleaning Fusible Link Valve Intake Fitting
38
Corrective Maintenance
38
Replacement of Fuses
38
Fuel Contamination
38
Servicing
39
Measurement of Fuel Flow Rate
39
Cleaning the Burn Chamber & Burner Pot
39
Cleaning the Fuel Inlet
41
Monitor 422/441 Resistance Values
42
Section 6: Troubleshooting
42
Monitor 4221441 Component Voltage Readings
44
Test Point Voltage
46
Indlcatlon of FAILURE MODE
48
Connection of Lead Wires
59
Section 7: Electrical System
60
Manometer Readings
61

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