ITR OASIS SCH33 - Figure 3-1 Oasis SCH33 Exhaust Parts and Typical Configuration

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Section 3, Installing the Exhaust System

International Thermal Research 3-5

Figure 3-1: Oasis SCH33 Exhaust Parts and Typical Configuration

Figure 3-2: Oasis SCH33 Typical Fresh-air Intake

Configuration and Optional Air Intake Silencers

Main Page

Table of Contents3
Section 1, Overview7
Figure 1-1 Oasis SCH33 Heating System7
Unpacking the Heating System8
Protect Your Warranty8
Heater Features9
Figure 1-2 Oasis SCH33 Heating System Overview10
Critical Factors11
Equipment, Tools, and Skills11
Testing and Inspection12
Section 2, Mounting the Heater Unit15
Mounting Location15
Figure 2-1 Oasis SCH33 Dimensions16
What NOT to Do17
Procedure17
Figure 2-2 Heater Mounting Bracket Configuration17
Remote Operating Panel Mounting Procedure18
Figure 2-3 Basic and Touchscreen Operating Panel Mounting18
Section 3, Installing the Exhaust System19
Before You Begin19
Mounting Location20
What NOT to Do22
Installation Procedure22
Figure 3-1 Oasis SCH33 Exhaust Parts and Typical Configuration23
Section 4, Installing the Fuel System24
Before You Begin24
Fuel System Installation24
What NOT to Do25
Procedure26
Section 5, Installing Fan Heaters27
Before You Begin27
Fan System Operation28
Features28
Multiple-Zone Heating28
Figure 5-1 Wiring the Fan's Aquastat28
Accessories and Components Needed29
What NOT to Do29
Mounting Locations30
Procedure30
Figure 5-2 Mounting a Low-Profile Cabin Fan31
Figure 5-3 Installing a Relay for Additional Fan Amperage31
Section 6, Wiring the Electrical System32
Before You Begin32
Oasis SCH33 12 VDC32
Oasis SCH33 120/240 VAC33
Procedure34
Electrical Components34
Figure 6-1 Sample Wiring Diagram for Electrical Elements34
What NOT to DO37
Procedure37
Figure 6-2 Wiring for a Fan Speed Switch39
Section 7, Plumbing and Filling the System41
Before You Begin41
Heat Transfer Fluid (Propylene Glycol) Plumbing Installation Procedure42
Figure 7-1 Oasis SCH33 Overview42
What NOT to Do45
Potable Water Plumbing Installation (Optional)46
Engine Waste-Heat and Engine Pre-Heat Plumbing (Optional)46
System46
Figure 7-5 Filling/Purging Oasis SCH33 Heating System48
Before You Begin49
Domestic Hot Water System50
Engine Waste Heat Function51
Figure 8-1 Single Loop System, Three Fans, Optional Summer Loop51
Procedure52
Engine Pre-Heat Function52
Section 9, Operating the Oasis SCH33 Heating System54
Features of the Oasis SCH33 Heating System54
Starting the Heater56
Signs of Normal Operation56
Main Control Board Operation57
Stopping the Heater (for Seasonal Purpose)57
Using the Electric Heating Elements58
Activating the Domestic Hot Water58
Domestic Water Temperature Adjustment58
Stopping the Heater (for Maintenance)59
Resetting a Fault59
Electrical Noise59
Protecting the Heating System62
Section 10, Troubleshooting63
Overview63
Power on (Green)63
Burner on63
Service Switch off64
Remote Switch off64
Heater Cycling (Normal Operation)64
Thermostats off (Normal Operation)65
Voltage Low of High65
Overheat66
Fuse Blown66
Fuel Pump/Solenoid67
Igniter67
Combustion Fan68
Water Pump68
Flame out68
Compressor70
Bypass Mode70
Water Pump on (Green)70
Flame Sensor Module71
Test Points71
Reduced Output72
Smokey,Smelly Exhaust72
Section 11, Maintenance73
The First few Weeks73
Adding Heat Transfer Fluid (Antifreeze)73
Nozzle74
Fuel Lines and Filter74
Combustion Chamber75
Checking Hoses and Tubes75
Electrical System75
Figure 11-1Maintenance Schedule76
General Warranty77
Limited Warranty77
Owner's Responsibility78
Not Covered under Warranty78
Customer Service Calls79
Returns79
Telephone /Email Service80

ITR OASIS SCH33 - Figure 3-1 Oasis SCH33 Exhaust Parts and Typical Configuration

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