OASIS™ Heating Module Installation and Operating Manual Diesel and AC Heating System for Recreational Vehicles and Yachts CSA TIL R-17 ANSI/UL307A CAN/CSA-C22.2 No.
Copyright © April 2007 International Thermal Research IN CANADA: IN THE UNITED STATES: 2431 Simpson Road Suite D3, 4018 NE 112th Ave. Richmond, BC, Canada V6X 2R2 Vancouver, WA, USA 98682 Tel: 1-800-755-1272 or 604-278-1272 Tel: 1-800-993-4402 or 360-993-4877 Fax: 604-278-1274 Fax: 360-993-1105 Email: info@itrheat.com Website: http://www.itrheat.com All rights reserved.
Table of Contents Section 1, Overview ................................................... 1-1 1.1 1.2 1.3 1.4 1.5 1.6 Unpacking the Heating Module ....................... 1-2 Protect Your Warranty .................................. 1-2 Oasis™ Heating Module Features .................... 1-3 Critical Factors............................................. 1-5 Equipment, Tools and Skills ........................... 1-6 Testing and Inspection ..................................
Table of Contents 5.2 Fan System Operation ................................... 5-2 5.3 5.4 5.5 What NOT to Do ........................................... 5-4 Mounting Locations ....................................... 5-4 Procedure .................................................... 5-5 Features ....................................................... 5-2 Multiple Zone Heating ..................................... 5-3 Accessories and Components Needed ................
Table of Contents 8.11 8.12 8.13 8.14 Functions of the Distribution Module (Optional) Zone Control Panel ......................................8-10 Maintenance ...............................................8-11 Protecting the Heating Module and Distribution Module (Optional) ......................8-13 General Troubleshooting ..............................8-13 Section 9, Installing Distribution Module, DM-12 (optional) .................................................................. 9-1 9.1 9.2 9.3 9.
Table of Contents List of Figures Figure 1-1 Figure 1-2 Oasis™ Module ........................................ 1-1 Oasis™ Heating and Distribution Module ...... 1-5 Figure 2-1 Figure 2-2 Module Dimensions .................................. 2-3 Module Mounting Brackets ......................... 2-5 Figure 3-1 Figure 3-7 Installing the Exhaust System (Bottom Exhaust)..................................... 3-6 The Exhaust Hole Location & Mounting Template ................................................
Section 1 Overview Thank you for purchasing the recreational vehicles and yachts. NOTICE Oasis™ Heating Module for The Oasis™ Heating Module is CSA certified only for installation into Recreational Vehicles, Manufactured Homes, and Mobile housing. This section covers critical information you need to know before beginning the installation including how to protect your Warranty, and tools and equipment needed.
Section 1, Overview 1.1 Unpacking the Oasis™ Heating Module When you receive the Oasis™ Heating Module: 1 Unpack it carefully. 2 Check each component against the shipping list to ensure that you have everything and that all parts arrived undamaged. 3 If you discover immediately. 4 If you are not installing the Oasis™ Heating Module right away secure all components so none will be misplaced. 5 Before installing the Oasis™ Heating Module read the rest of this Installation and Operating Manual.
Section 1, Overview result in a voided warranty for the entire heating system. Any loss of service or damage as a result of any unapproved modification is the responsibility of the installer. ITR accepts no liability for any damage or loss of service resulting from unapproved modifications. • • • • • • • • Efficient Clean Quiet Compact Safe Rugged Reliable Economical 1.
Section 1, Overview • Fan assisted sealed combustion chamber is designed to use outside combustion air. • Simple, low amperage draw ignition. • Electronically-controlled system with: • • • • 1-4 automatic Safety Shutdown; manual-resettable aquastats for safety overheat protection. LED indicators on the Control Panel for diagnostics. Patented, proprietary flame sensor. • Heating Module Remote Operating Panel with ON/OFF switch for the diesel burner, AC elements, and engine heat, if installed.
Section 1, Overview Figure 1-2: Oasis™ Heating and Distribution Module 1.4 Critical Factors THE INSTALLATION SHALL BE IN ACCORDANCE WITH THE REGULATIONS OF AUTHORITIES HAVING JURISDICTION Pay attention to the notices of “Danger” “Warning” “Caution” and “Notice” in this manual.
Section 1, Overview • Ability for technician to easily access and service the product, especially fuel, plumbing, and electrical systems. • After installation, ability to purge water and fuel lines and inspect/test entire system using the ITR-supplied Inspection Check Sheet. 1.5 Equipment, Tools and Skills As the user and/or installer, you must be qualified and authorized to do the installation, which requires mechanical aptitude and electrical knowledge.
Section 1, Overview screw-down cap, and sturdy enough to mount firmly to a vertical surface. • Up to five (5) thermostats (DC compatible) to allow temperature regulation of the heating zones when connected to the Distribution Module. 1.
Section 1, Overview 1-8 The Oasis™ Heating Module
Section 2 Mounting – Oasis™ Heating Module 2.1 Before You Begin Plan the location of the Oasis™ Heating Module and all its major components in advance to ensure the chosen locations are compatible with installation requirements and within the technical specifications. Consider the following factors to help you decide exactly where best to mount the Oasis™ Heating Module: International Thermal Research • Oasis™ Heating Module weight when full (160 lbs). • Ventilation requirements.
Section 2, Mounting the Oasis™ Heating Module ! WARNING Make sure you are familiar with Section 1 – Overview of this Manual. If the system is not installed according to specifications and with the correct equipment, your Oasis™ Heating Module may not operate properly, safety may be compromised, and your Warranty may be voided. 2.
Section 2, Mounting the Oasis™ Heating Module • Combustion air must be drawn from an outside source and cannot contain any combustible gases. • Oasis™ Heating Module must be mounted in an area that provides unrestricted access to the front panel. Allow space for connection to the fuel and coolant lines, as well as the power and exhaust connections.
Section 2, Mounting the Oasis™ Heating Module parts that may cause injury through accidental contact should be protected. Isolate the unit in a closed compartment so that no air from the heater will infiltrate the living areas. ! DANGER • It is recommended that a catchpan be placed under the Oasis™ Heating Module for containing any unexpected leakage. • Choose a sturdy surface in a location that won’t be unduly affected by vibration and the jarring of rough roads or rough seas.
Section 2, Mounting the Oasis™ Heating Module Figure 2-2: Module Mounting Brackets International Thermal Research 2-5
Section 2, Mounting the Oasis™ Heating Module 2-6 The Oasis™ Heating Module
Section 3 Installing the Exhaust System 3.1 Before You Begin For efficient and safe operation of the Oasis™ Heating Module follow all recommendations for properly installing the exhaust. Any deviations from these must be approved in advance by ITR. ! DANGER Although the heater’s exhaust produces very low carbon monoxide emissions, caution is still advised: • Do not operate the Oasis™ Heating Module in an enclosed area unless there is adequate ventilation.
Section 3, Installing the Exhaust System • In a coach, the typical mounting location for the exhaust outlet is under the floor of the Oasis™ Heating Module compartment, or on the other side of the coach, directly across from the module. Keep in mind you cannot exceed 12’ of exhaust piping, without any bends, or 8’ with two 90°, 2” minimum radius bends.
Section 3, Installing the Exhaust System ! DANGER • Use an ITR-manufactured muffler with a straight-through design. No other muffler is acceptable. • Exhaust outlet is on the top or bottom (model dependant) of the Oasis™ Heating Module, towards the back. The exhaust and outlet are HOT and the surrounding areas must be thermally shielded and protected from the hot surfaces and heat build-up by insulation. Nothing can come into inadvertent contact with any part of the exhaust system.
Section 3, Installing the Exhaust System band clamps are recommended for joining flex and solid tubing as they apply firm, even pressure. • In a coach, install an exhaust collar on the exhaust pipe to isolate the pipe from the coach frame. This reduces vibration and noise and protects the coach from the effects of high exhaust temperature, see Figure 3-1: Installing the Exhaust system (Bottom Exhaust).
Section 3, Installing the Exhaust System 5 Connect the flexible air-intake tubing (2” I.D.) to the airintake fitting on top of the heater. Use a #32 gear clamp to attach the tubing to this fitting. The other end of the air-intake hose can be installed in 2 configurations: Installation of the underside of the RV air-intake adapter to the Locate a suitable location to mount the air-intake adapter. Drill a 2” hole through the floor.
Section 3, Installing the Exhaust System Figure 3-1: Installing the Exhaust System (Bottom Exhaust) Figure 3-2: The Exhaust Hole Location & Mounting Template 3-6 The Oasis™ Heating Module
Section 3, Installing the Exhaust System Figure 3-3: The Exhaust Goose Neck configuration International Thermal Research 3-7
Section 3, Installing the Exhaust System 3-8 The Oasis™ Heating Module
Section 4 Installing the Fuel System 4.1 Before You Begin For efficient and safe operation of the Oasis™ Heating Module, follow all recommendations for properly installing the fuel system. Any deviations from these must be approved in advance by ITR. ! DANGER Use only diesel fuel, furnace oil, or stove oil in the Oasis™ Heating Module. DO NOT USE GASOLINE, CRANKCASE OIL, OR ANY OIL CONTAINING GASOLINE. Keep fuel lines away from any heat source above 100°F (38°C).
Section 4, Installing the Fuel System recommended size for the fuel line is ¼” I.D. The fuel return line should return to the fuel supply tank. The following is recommended for the fuel system installation: NOTICE The fuel supply from the fuel storage tank to the fuel inlet must be from a dedicated fuel pickup on the top of the tank. • ! CAUTION The fuel line must be run and secured so as to prevent damage, chafing and kinking during normal operation.
Section 4, Installing the Fuel System ! CAUTION Ensure that fuel lines are always protected from contamination by foreign material. When installing or servicing, seal off ends to prevent contamination. After installing, you may also wish to flush the fuel line to rid of it air and any foreign material. 4.4 Procedure To complete the fuel system installation: 1 Install the inline fuel filter.
Section 4, Installing the Fuel System 4-4 The Oasis™ Heating Module
Section 5 Installing Fan Heaters – with “Distribution Module” Only 5.1 Before You Begin ITR makes a variety of fan heaters for individual cabins or areas. There are Cabin heaters and Spacesaver heaters (where space is limited). These heaters draw as little as 0.9 amps and deliver 140 cfm. These heaters also come in high output versions and the above numbers are increased by 40%. They should be mounted as close to the floor as possible.
Section 5, Installing Fan Heaters 5.2 Fan System Operation ITR fans consist of a 12 VDC brushless fan and heater coil similar to a radiator. When the heater unit comes on, the fan draws ambient air from the interior, blows it through the heater coil and back into the interior through a vent. There must be an input and output vent for each fan unit.
Section 5, Installing Fan Heaters • If a “passive” radiant heat system is desired (i.e. baseboard or fin and tube configurations), consult ITR for recommended installation procedures and design. Multiple Zone Heating The Oasis™ Heating Module can supply heat up to five interior zones using the Distribution Module (Optional). Refer to Section 9 – Installing Distribution Module. Up to five thermostats (positive DC compatible) can be installed to allow temperature regulation of the zones.
Section 5, Installing Fan Heaters to be heated) and duct the heated air to its output location. Also, air outlet plates to allow you to install ducting for one, two or three separate outlets (e.g. you can use one fan to heat two different areas by installing a dual air outlet plate). 5.3 What NOT to Do • Don’t install more fans that require more heat than the Heating and Distribution Module can produce. Your system will not run effectively.
Section 5, Installing Fan Heaters The thermostat should not be mounted on walls outside of the zone because that could cause false temperature readings. Mount on interior walls and bulkheads, away from windows, heater vents and cabin fan heaters. 5.5 Procedure After choosing configuration: the appropriate mounting location and 1 Mount the fan using #10 sheet metal screws or wood screws, see Figure 5-2: Mounting a Spacesaver Fan.
Section 5, Installing Fan Heaters Figure 5-2: Mounting a Spacesaver Fan Figure 5-3: Installing a Relay for Additional Fan Amperage 5-6 The Oasis™ Heating Module
Section 6 Wiring the Electrical System 6.1 Before You Begin The Oasis™ Heating Module and its electrical Control Board are prewired and have been thoroughly tested together as a unit. To review the wiring system for the Oasis™ Heating Module, refer to the wiring diagram at the end of this Section 6, Figure 6-1: System Wiring. ! WARNING All electrical connections and wiring must comply with normallyaccepted 12 VDC and 120 VAC wiring practices, local regulations, and ABYC/RVIA standards.
Section 6, Wiring the Electrical System 6.3 NOTICE • The Oasis™ Heating Module is equipped with two 1500 watt, 120 VAC immersion elements (other voltages and frequencies are available). The connections for the electrical supply are on the top left side of the Oasis™ Heating Module, under a cover, labeled AC power. • The power wires for the AC immersion elements are three 14 gauge stranded copper leads that use standard AC color code (black-hot, white–neutral, green-ground).
• !
Section 6, Wiring the Electrical System 6.7 NOTICE What NOT to Do Never shut off the Oasis™ Heating Module power via an inline battery or master switch while the system is running. Never disconnect the battery when the Oasis™ Heating Module is running, and never disconnect the battery while the inverter is charging. Do not wire the Oasis™ Heating Module through a disconnect that is used as a normal shut-down of the DC system.
Section 7 Plumbing the System 7.1 Before You Begin For efficient and safe operation of the Oasis™ Heating Module, follow all recommendations for properly installing the plumbing system. Any deviations from these must be approved in advance by ITR.
Section 7, Plumbing the System Ensure a four (4) quart minimum overflow bottle is attached to the filler neck. • The return and supply coolant plumbing connections are on the top of the Oasis™ Heating Module and are 1/2” male NPT fittings. The return coolant input to the Oasis™ Heating Module is a connection labeled “Inlet” and the supply coolant output from the Oasis™ Heating Module is a connection labeled “Outlet”. Ensure proper direction of flow.
Section 7, Plumbing the System Figure 7-1 Heating Module NOTICE All fittings, hose and/or tubing involving the domestic water component of the Distribution Module, must be approved for use with domestic water and rated for the domestic water system pressure • All plumbing lines must be run and secured so as to prevent damage, chafing and kinking • Ensure that the coolant flow is adequate through the Oasis™ Heating Module and the system.
Section 7, Plumbing the System • Use heavy-duty heater hose or PEX tubing. Slip-on foam insulation coverings may be used over the hose fittings to reduce heat loss. Secure all hose connections with spring clamps. • Air vents for the fluid circulation system are not supplied, but may be optionally installed to help bleed air from the system. 7.3 What NOT to Do The Oasis™ Heating Module’s circulating water pump is one of the most critical parts of the system.
Section 7, Plumbing the System 3 If the Distribution Module is not utilized, connect the cabin fan heater supply lines to the supply coolant “Outlet” from the Oasis™ Heating Module. Ensure there are no kinks or sharp bends that might restrict the fluid flow. See Figure 7-2: Three Approved Methods of Installing Heater Hose (Consult ITR for Alternative Methods and Products) for methods of attaching the heater hose.
Section 7, Plumbing the System 7-6 The Oasis™ Heating Module
Section 8 Operating the Oasis™ Heating Module This section describes the features, operation and maintenance of your new Oasis™ Heating Module. READ THESE INSTRUCTIONS AND SAVE FOR REFERENCE. 8.1 Features of Your Oasis™ Heating Module The Oasis™ Heating Module uses a diesel burner (12 VDC) controlled by a multi-functional electronic controller as the primary source of heating coolant fluid (anti-freeze and water). Two 1500 Watt, 120 VAC immersion elements are used as secondary heat sources.
Section 8, Operating the Heating Module • Low pressure fuel system with built-in fuel pump. • Fuel efficient burner capable of burning a wide variety of diesel-based fuels. • Exhaust has minimal smoke and smell. • Fan assisted sealed combustion is designed to use outside combustion air. • Simple, low amperage draw ignition. • Electronically-controlled system with: • • • • Automatic safety shutdown. Manual-reset aquastats for safety overheat protection.
Section 8, Operating the Heating Module number identifies the model type through the first series of letters and numbers. The two types of Oasis™ Heating Modules are: CH50 – Oasis™ Heating Module 50 CH35 (“CSA Certification Pending”) – Oasis™ Heating Module 35 8.3 NOTICE Operating Instructions for the Oasis™ Heating Module The Oasis™ Heating Module must be installed and connections made in accordance with the recommendations in the Installation and Operating Manual prior to operating the module.
Section 8, Operating the Heating Module 8.4 Turning the Power to the Oasis™ Heating Module ON • The Oasis™ Heating Module’s main Control Panel, Figure 8-2: Heating Module Main Control Panel, located on the front of the module contains three push buttons: ON/OFF power, Bypass, and Reset. The power switch must be pushed ON (power LED will turn ON) to turn the DC electrical power to the main control board and module ON and is required to be left ON during any period where heat is requested.
Section 8, Operating the Heating Module 8.5 Activating the Burner (Primary) and AC Heat (Secondary) from the Remote Operating Panel Activating the Burner (Primary Heat Source) • The burner switch on the Remote Operating Panel controls the ON/OFF of the diesel burner (primary heat source). When the burner switch is turned ON, the diesel portion of the Oasis™ Heating Module will turn ON after ten seconds. The Burner LED will turn ON when the diesel burner has been activated.
Section 8, Operating the Heating Module Activating Jointly • the Burner and AC immersion Element(s) Turn the burner switch ON and place the AC power switch on the Remote Operating Panel to either the one element or two element position. The Burner and AC Heat (green) LED’s will turn ON indicating the diesel burner and AC element(s) have been selected. 8.
Section 8, Operating the Heating Module • Turn the engine preheat switch on the Remote Operating Panel to the ON position with the burner or AC switch on. The engine preheat pump and coolant pump will be activated once the Oasis™ Heating Module is in its set operating temperature range. The engine will start to be preheated by the Oasis™ Heating Module. • Note: An engine preheat pump does not come supplied with the Distribution Module.
Section 8, Operating the Heating Module Burner Switch (Primary Heat Source) • The burner switch on the remote panel controls the ON/OFF of the diesel burner. The Burner LED will turn on when the diesel burner has been activated. AC Element Switch (Secondary Heat Source) (CH50 DM8 used in Tandem) • and The triple position AC element switch controls the activation of a single 120 VAC immersion element only, dual 120 VAC immersion elements jointly, or both elements off.
Section 8, Operating the Heating Module • When ON, indicates the space heating zone(s) has faulted. The specific fault can be identified by examining the Distribution Module Zone Control Panel (optional) located beside the Oasis™ Heating Module. There are indicator LED’s on the panel that indicate the problem. Refer to the description of the Distribution Module Zone Control Panel for further details. 8.
Section 8, Operating the Heating Module Compressor, Fuel Pump, Combustion Fan, Igniter (Green) • The compressor, fuel pump, combustion fan, and igniter LED’s (Green) turn ON when the component is ON, and will flash if the component is electrically open or shorted. Flame Out (Red) • The Flame Out LED (Red) turns ON when a flame fault has been detected. Voltage Fault (Red) • The voltage fault LED (Red) turns ON when a voltage fault has been detected.
Section 8, Operating the Heating Module Figure 8-4: Zone Control Panel Power LED (Green) • The power LED turns ON when the power to the Distribution Module Zone Control Board is ON.
Section 8, Operating the Heating Module 8.12 Maintenance Customer Monthly Maintenance: Check the following and correct as required: • Coolant hoses and fittings for leaks and integrity. • Check coolant level in the overflow bottle (3/4 full when hot). Fill only when the system is COLD and in small quantities only to prevent overfilling. • Exhaust fittings, integrity. • Exhaust and air-intake checked for no obstructions. • Fuel lines, fittings for leaks and integrity.
Section 8, Operating the Heating Module Finally, the burner and counter-flow tube must be taken out by removing the nuts holding the burner box in position. If the tube is satisfactory, a thorough cleaning of the tube and burner chamber should be performed by blowing out and vacuuming any ash and carbon buildup. Any build up on the surface of the burner chamber will cause the heater to lose efficiency.
Section 8, Operating the Heating Module • Oasis™ Heating Module connected to 12 VDC power? • Power button on Oasis™ Heating Module Control Panel pushed ON? Power LED lit on Oasis™ Heating Module Control Panel? • Burner switch on Remote Operating Panel ON? LED lit on Remote Operating Panel? • Main fuse or circuit breaker blown or tripped? Burner AC immersion elements do not activate • Module connected to 120 VAC power? • AC switch on Remote Operating Panel placed in the one or two element positi
Section 9 Installing the Distribution Module, DM12 Thank you for purchasing the Distribution Module, DM12. This section describes its installation. 9.1 Installing your Distribution Module Equipment, Tools and Skills NOTICE As the Installer, you must be qualified and authorized to do the installation which requires mechanical and electrical knowledge. The module is to be installed standards and regulations jurisdiction. Proper workmanship function and life of your module warranty.
Section 9, Installing the Distribution Module • Module must be mounted using four, 1/4” through bolts using 1” diameter fender washers, lock washers and nuts. The module must be mounted in the position as shown against a wall or on the floor. Figure 9-1: Distribution Module, DM12 9.3 Selecting the Distribution Zone Box Location Module • Mount the Distribution Module Zone Box (containing the Zone Control Board) vertically, close to the Distribution Module.
Section 9, Installing the Distribution Module • The Distribution Module is connected to the Distribution Module Zone Control Board through the electrical connections located at the bottom of the Zone Control Board box. The distance apart is dictated by the length of the 9 pin connector cord used. 9.4 Plumbing Installation The plumbing installation should consider the following: • The Distribution Module, see Figure 9-3: Distribution Module Fittings Location.
Section 9, Installing the Distribution Module • WARNING The Domestic water connections are located on top of the module. The Cold water supply can be connected using a ½” NPT fitting. The maximum water supply pressure to the module is 150 PSI (10 bar). The Hot water Outlet temperature is regulated by an internal mixing valve factory set at 120F (49°C). If needed this valve can be adjusted in a range from 100F (38°C) to a maximum of 145F (63°C).
Section 9, Installing the Distribution Module supply. The module contains a red and black wire to connect this pump. The pre-heat switch on the remote control panel will activate this pump. See Figure 9-5: Engine heat/pre-heat system plumbing. Figure 9-5 Engine Heat / Pre-heat System Plumbing. • The pre-heat pump wires are capped off to prevent accidental shorting. The pre-heat switch on the remote will turn on power to the wires.
Section 9, Installing the Distribution Module Figure 9-6: Connecting to the OASIS Heating Module • 9-6 The Distribution module has the capability to supply heat for two separate heating loops labeled “Heating loop 1 supply” and “Heating loop 2 supply”. Each loop can contain several fans connected in series. The control board can regulate up to 5 zones. Zones 1 and 2 control the fans in heating loop 1 and Zones 3, 4 and 5 control fans in heating loop 2. See Figure 97: Connecting two heating loops.
Section 9, Installing the Distribution Module Figure 9-7: Connecting two Heating loops. ! DANGER Use only a non-toxic propylene glycol based coolant with additives generally recognized as safe ”GRAS” by the FDA in the coolant side of the Distribution Module. Refer to the anti-freeze manufacturer recommendations for instructions for your particular application.
Section 9, Installing the Distribution Module inlet of a diaphragm pump and place the hose in a container filled with a 50/50 mixture of propylene glycol and water (see Figure 9-8). 2. Connect a hose to the “fill outlet valve” on the distribution module and place the other end of the hose in the same container. Figure 9-8: Initial fill up Oasis system 3. Open both valves on the Distribution module. 4. Turn ON the diaphragm pump. This will prime the pumps in the Oasis Distribution Module.
Section 9, Installing the Distribution Module 6. Once the coolant in the container remains at the same level and there appears to be no air in the return stream from the fill outlet hose, close the valves on the distribution module and stop the diaphragm pump. 7. Turn off the pump activation switch. 8. The Oasis heating system is ready to be operated. 9.
Section 9, Installing the Distribution Module 9.7 Distribution Module Zone Control Board Multi-Pin Connectors The Zone Control Board has four multi-pin connectors, see Figure 9-3: Plumbing for Five Zones Using the Distribution Module, that are to be connected through connector cords (supplied) to the matching multi-pin connectors as follows: • 10 pin connector to Heating Module Remote Operating Panel.
! ! ! ! ! $ % .
! $ 9% & ! # ! ' - :; < ! "#
6 . 7K8 = > ? 7 4 = " 0 4 7 = . 7 . ! 8 9 D ! = D B<$ 15C8, . . . . (" ! ! ! $ + ,-" ". % . ! & D #! . . & ! $ ! H . !, ! & 13<$ (%C8, ! , ! BB< $ %EC8, ! ! . . D ( $ ! . .
Section 9, Installing the Distribution Module 9-14 The Oasis™ Heating Module
Warranty Information Attention Purchaser and Installer NOTICE No warranty covers damage or failure of the heater, hot water heater, heating module, distribution module, or space heating module (collectively, “the Product”) or to the vehicle in which it is installed, due to unapproved, unauthorized, or improper installations of the Product. Use of any unapproved materials or equipment in the Product’s installation or operation will result in a voided warranty for the entire heating system.
Warranty Information International Thermal Research Limited Warranty The following warranties are in lieu of all other warranties and conditions. ITR makes no other warranties, representations, or conditions, express or implied. Expressly excluded are all implied or statutory warranties or conditions of merchantability of fitness for a particular purpose, and those arising by statute or otherwise in law or from dealing or trade usage.
International Thermal Research Warranty Information • Original serial number on Product or electrical control board has been removed, altered, or is unreadable. • Product has been modified or uses non-standard parts not approved by ITR. • Product has been abused (such as by dropping it), damaged, vandalized, or has received improper maintenance. • Product has been run dry or operated without appropriate antifreeze, causing damage to the heat exchanger, pump seals, etc.
Warranty Information International Thermal Research Depending on your location, an authorized service person may be able to visit your coach or yacht to help troubleshoot problems and repair your Product. Such service calls are at the Owner’s expense. Regardless, you must obtain written approval from ITR or the Dealer for any warranty repair before it is undertaken. All repairs done under warranty are subject to the terms and conditions of the flat-rate manual.
