Table Of Contents - Monitor GF3800 Servise Manual

Table of Contents

Table Of Contents2
Description4
Specifications4
Special Features4
Safety Features4
Manual Gas Valve6
Automatic Gas Valve6
Gas Control Valve6
Burner (Gf3800)7
Orifice (Gf3800)7
Burner (Gf1800)8
Orifice (Gf1800)8
Ignition Plug Unit (Gf3800)9
Ignition Transformer (Gf3800)9
Ignition Plug Unit (Gf1800)10
Ignition Transformer (Gf1800)10
Flame Detector11
Combustion Blower (Gf3800)11
Heat Exchanger11
Flue Pipe11
Air Pressure Switch12
Overheat Protector Switch12
Thermal Fuse12
Overcurrent Fuse12
Combustion Blower13
Combustion Air Control13
Elements Of Combustion System14
Notice Before Installation16
Section 2: Installation16
Heater Installation17
Applicable Wall Thickness Of Flue Pipe19
Flue Pipe Clearances20
Frontal Clearance20
Overhead Clearance20
Side Clearance20
Installing An Extension Kit21
Max Lengths And Bends Allowable Using Extension Kits22
Gas Connection23
Gas Conversion23
Gas Conversion Procedure (Gf3800)24
Conversion Procedure To Natural Gas24
Conversion Procedure To Lp Gas24
High Altitude Installation24
Manifold Pressure Readings25
Preparation For Pressure Control Of Gas Control Valve26
Threaded Hose Fitting For Gas Pressure Test26
Gas Pressure Control By Manometer Or Slack Tube26
Gas Pressure Control27
Pre-Operation Check27
Adjusting The Gas Control Valve27
How To Adjustment And Lock28
Operation Stop29
Check Of Gas Leakage29
Installation Of Manifold Plug29
Back Guard30
How To Install The Back Guard30
Install Top Back Guard30
Install The Side Back Guard30
Extension Kit Installation With Back Guards Attached31
Caution During Installation32
Caution In Using The Back Guards32
Introduction34
Operating Specifications (Gf3800)34
Operating Specifications (Gf1800)34
Section 3: Operation34
Operating Controls And Indicators34
Pre-Operation Check List37
Manual Heater Operation38
Automatic Heater Operation38
Instructions For Economy Plus Mode38
Set The Time38
Programming The Weekly Timer For Automatic Heater Operation39
Setting The 1St Program Of Monday39
Setting The 2Nd, 3Rd And 4Th Programs Of Monday39
Setting The Programs Of Tuesday - Sunday39
Heat Sensor40
Monitor Shutdown40
Recovery For A Power Failure40
Recovery From Overheat Condition40
Recovery From Blown Fuse41
Operation Control System43
Operation Timing Chart43
Cleaning The Cabinet44
Electric Motor Maintenance44
Checking The Flue Pipe44
Section 4: Maintenance/Servicing Page 40~4144
Checking The Burner Flame44
Cleaning The Interior44
Cleaning The Blower Guard44
Troubleshooting46
Gf3800 Component Voltage Readings47
Gf1800 Resistance Values48
Gf1800 Component Voltage Readings49
Test Point Voltage50
All Readings Take From Ep (0V)50
General Checks53
Indication Of Failure Mode62
Electrical System63
Schematics63
Printed Circuit Wiring Diagram65
Wiring Diagram65
Block Diagram65
Service Parts List67
Exploded Views And Parts List69