Oasis Concepts Diesel and AC Heating System for Recreational Vehicles and Yachts manual

O ASIS™ Hea ing Module t Installa tion and Oper a ting Manual Diesel and A C Hea ting System f or R ecr ea tional V ehic les and Y ach ts C SA TIL R-17 A NSI/UL 307A C AN/CSA - C22.2 No. 165[...]

Copyright © April 2007 International Thermal Research I N C A N A D A : I N T H E U N I T E D S T A T E S : 2431 Simpson Road Suite D3, 4018 NE 112 th Ave. Richmond, BC, Canada V6X 2R2 Vancouver, WA, USA 98682 Tel: 1-800-755-1272 or 6 0 4-278-1272 Tel: 1-800-993-4402 o r 360-993-4877 Fax: 604-278-1274 Fax: 360-993- 1105 Email: info@itrheat.com Web[...]

T a ble of Contents Section 1, Overview ................................................... 1-1 1.1 Unpacking the Heating Module ....................... 1-2 1.2 Protect Your Warranty .................................. 1-2 1.3 Oasis™ Heating Module Features .................... 1-3 1.4 Critical Factors .............................................[...]

Table of Contents 5.2 Fan System Operation ................................... 5-2 Features ....................................................... 5-2 Multiple Zone Heati ng ..................................... 5-3 Accessories and Comp onents Need ed ................ 5-3 5.3 What NOT to Do ........................................... 5-4 5.4 Mount[...]

Table of Contents 8.11 Functions of th e Distri bution Module (Optional) Zone Control Panel ...................................... 8-10 8.12 Maintenance ...............................................8-11 8.13 Protecting the Heating Module and Distribution Module (Opt ional) ......................8-13 8.14 General Troubleshooting ..................[...]

Table of Contents List of Figur es Figure 1-1 Oasis™ Module ........................................ 1-1 Figure 1-2 Oasis™ Heating and Distribution Module ...... 1-5 Figure 2-1 Module Dimensio ns .................................. 2-3 Figure 2-2 Module Mounting Br ackets ......................... 2-5 Figure 3-1 Installing the Exhaust Syste m (B[...]

Ov er view Thank you for purchasing the Oasis™ Heatin g Module for recreational vehicles and yachts. The Oasis™ Heating Module is CSA certified only for installation into Recreational Vehicles, Manu factured Homes, and Mobile housing. Section 1 NOTICE This section covers critical information you need to know before beginning the installation in[...]

Section 1, Overview 1.1 Unpac king the Oasis™ Hea ting Module When you rec e ive the Oasis ™ Heating Module : 1 Unpack it carefully. 2 Check each component against the shipping list to en sure that you have everything and that all parts arrived undamaged. 3 If you discover a ny missing or de fective parts call I T R immediat ely. 4 If you are n[...]

Section 1, Overview result in a voided warranty for the entire heating system. An y loss of service or damage as a re sult of any unapproved modification is the responsibilit y of the installer. ITR a ccepts no liabilit y for any damage or loss of service result in g from unapproved modifica tions. 1.3 Oasis™ Hea ting Module F eatures • Efficie[...]

Section 1, Overview • Fan assisted sealed combustion chamber is designed to u se outside combustion air. • Simple, low amperage draw ig nition. • Electronically-controlled system with: • automatic Safety Shutdown; • manual-resettable aq uastats for sa fety overheat protecti on. • LED indicators on the Contro l Panel for diagnost ics. ?[...]

Section 1, Overview Figure 1-2: Oasis™ Heatin g and Distribution Module 1.4 Critical F actor s THE INSTALLATION SHALL BE IN ACCORDANCE WITH THE REGULATIONS OF AUTHORITIES HAVING JURISDIC TION The key factors to keep in mind when planning and carrying out the installation are: Pay attention to the notices of “Danger” “Warning” “Cauti on?[...]

Section 1, Overview • Ability for technician to easily access and service the product, especially fuel, plumbing, and electrical systems. • After installation, abilit y to purge water and fuel line s and inspect/test entire system using the ITR-supplied Inspectio n Check Sheet. 1.5 Equipment, T ools and Skills As the user and/or installer, you [...]

Section 1, Overview screw-down cap, and sturdy enough to m ount 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. 1.6 T esting and Inspection After all componen ts have been properly installed according to standard practice s, [...]

Section 1, Overview 1-8 The Oasis™ Heating Module[...]

Section 2 Mounting – Oasis™ Hea ting Module 2.1 Bef or e Y ou Begin Plan the location of the Oasis™ Heating Module a nd all its major components in advance to ensure the chosen lo cations are compatible with insta llation requirements and within the technical specifications. Consider the following fa ctors to help you decide exa ctly where be[...]

Section 2, Mounting the Oasis™ Heating Module Make sure you are familiar w ith Section 1 – Overview of this Manual. If the system is not i nstalled according to specifications and with the correct equipment, your Oasis™ Heating Modu le may not operate properly, safety may be comprom ised, and your Warranty may be voided. ! W ARNING 2.2 Identi[...]

Section 2, Mounting the Oasis™ Heating Module • Combustion air must be drawn from an outside source and cannot contain any combustible gase s. • Oasis™ Heating Module mu st be mounted in an area tha t provides unrestricted access to the front panel. Allow space for connection to the fuel and co olant lines, as well as the power and exhaust [...]

Section 2, Mounting the Oasis™ Heating Module parts that may cau se injury through a ccidental 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 catch pan be placed under the Oasis™ Heating Module for containi ng any unexpe[...]

Section 2, Mounting the Oasis™ Heating Module F igure 2-2: Module Mounting Brackets International Thermal Research 2-5[...]

Section 2, Mounting the Oasis™ Heating Module 2-6 The Oasis™ Heating Module[...]

Installing the Exhaust System 3.1 Befo r e Y ou Be gin For efficient and safe operation of the Oasis™ Heating Module follow all recommendation s for properly inst alling the exhaust. Any deviations from these must be approved in advance by IT R. Although the heater’s exhaust produces very low carbon monoxide emissions, caution is still advi se [...]

Section 3, Installing the Exhaust System • In a coach, the typical mounting location for the exhau st outlet is under the floor of the Oasis™ Heatin g Module compartment, or on the other side of the coach, directly across from the mod ule. Keep in mind yo u cannot excee d 12’ of exhaust piping, without any bends, or 8’ with two 90°, 2” m[...]

Section 3, Installing the Exhaust System • Use an ITR-manufa ctured muffler w ith a straight-through design. No other mu ffler is acc eptable. • 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 surro unding areas must be thermally shielded and prot[...]

Section 3, Installing the Exhaust System band clamps are recommen ded for joining flex and solid tubing as they apply firm, even pressure. • In a coach, install a n exhaust collar on the exhaust pipe to isolate the pip e from the coach fra me. This redu ces vibration and noise and protects the coach from the effects of high exhaust temperature, s[...]

Section 3, Installing the Exhaust System 5 Connect the flexible air-intake tubing (2” I.D.) to the air- intake fitting on top of the hea ter. Use a #32 gear clam p to attach the tubin g to this fitting. The other end of the air-intake hose can be in stalled in 2 configurations: Installation of the air-intake adapter to the underside of the RV Loc[...]

Section 3, Installing the Exhaust System Figure 3-1: Installing the Ex haust System (Bottom Exhaust) Figure 3-2: The Exhaust Hole Location & Mou n ting 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[...]

Installing the Fuel System 4.1 Befo r e Y ou Be gin For efficient and safe ope ration of the Oasis™ Heating M odule, follow all recommendations for properly installing the fuel system . Any deviations from these must be approved in advance by ITR. Use only diesel fuel, furnace oil, or sto ve oil in the Oasis™ Heating Module. DO NOT USE GASOLINE[...]

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 : The fuel supply from the fuel storage tank to the fuel in let must be from a dedicated fuel pickup on the top of the tan k. NOTICE • The [...]

Section 4, Installing the Fuel System Ensure that fuel lines are always protected from co ntamination by foreign material. When installing or servicing, seal off ends to prevent contamination. After instal ling, you may also wish to flush the fuel line to rid of it air and any foreign material. ! CAUTION 4.4 Pr ocedure To complete the fuel system i[...]

Section 4, Installing the Fuel System 4-4 The Oasis™ Heating Module[...]

Installing F an Hea ter s – with “Distribution Module” Onl y 5.1 Befo r e Y ou Be gin ITR makes a variety of fan heaters for individual cabins or areas. There are Cabin heaters and Spacesaver heaters (where space is limited). The se heaters draw as little as 0.9 amps and deliver 140 cfm. These h eaters also come in high output versions and th[...]

Section 5, Installing Fan Heaters 5.2 F an System Oper ation 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 thr ough a vent. There m ust be an input and output vent for each fan u[...]

Section 5, Installing Fan Heaters • If a “passive” radia nt heat system is desired (i.e. baseboar d or fin and tube conf igurations ), consult ITR for recommended in stallation procedures and de sign. Multiple Zone Heating The Oasis™ Heating Module can supply heat up to five interior zones using the Distribution Module (Optional). Refer to [...]

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 du al air outlet pla te). 5.3 W ha t NO T to Do • Don’t install more fans that requir[...]

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 wa lls and bulkheads, away from windows, heater ven ts and cabin fan heaters. 5.5 Pr ocedure After choosing the appropriate mounting location and configuration: 1 Mount the fan us[...]

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[...]

W iring the Electrical System 6.1 Befo r e Y ou Be gin The Oasis™ Heating Module and its electrical Control Board are pre- wired and have been thoroughly tested together as a unit. To review the wiring system for the Oasis™ Heatin g Module, refer to the wiring diagram at the end of this Section 6, Figure 6-1: System Wiring . All electrical conn[...]

Section 6, Wiring the Electrical System 6.3 120 V A C • The Oasis™ Heating Module is equipp ed with two 1500 watt, 120 VAC immersion elements (oth er voltages and frequencies are available). The connections for the electrica l supply are on the top left side of the Oasis™ Heating Module, under a cover, labeled AC power. • The power wires fo[...]

               ?[...]

Section 6, Wiring the Electrical System 6.7 W ha t NO T 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 ru nning, and never disconnect the battery while the inverter is charging. Do not wire the Oasis™ Heatin[...]

Plumbing the System 7.1 Befo r e Y ou Be gin For efficient and safe ope ration of the Oasis™ Heating M odule, follow all recommen dations for properly installin g the plumbing system. Any deviations from these must b e appro ved in advance by ITR. The Oasis™ Heating Module when attached to the Distribution Module (optional) must use the followi[...]

Section 7, Plumbing the System Ensure a four (4) quart minimum overflo w bottle is attached to the filler neck. • The return and supply coolant plumbing conne ctions are on the top of the Oasis™ Heating Module an d are 1/2” male NPT fittings. The return coolant input to the Oasis™ Heating Module is a connection labeled “In let ” and the[...]

Section 7, Plumbing the System Figure 7-1 Heating Module All fittings, hose and/or tu bing involving the domestic water component of the Distribution Module, must be a pproved for use with domestic water and rated for the dome stic water system pressure NOTICE • All plumbing lines must be run and secured so as to pre vent damage, chafing and kink[...]

Section 7, Plumbing the System • Use heavy-duty heater hose or PEX tubing. Slip-on foam insulation coverings may be u s ed over th e hose fittings to red uce heat loss. Secure all hose connections wit h spring clamps. • Air vents for the flu id circulation system are not supplied, b ut may be optionally installed to help bleed air from the syst[...]

Section 7, Plumbing the System 3 If the Distribution Module is not utilized , connect the cabin fan heater supply lines to th e supply coolant “Outlet” fro m the Oasis™ Heating Module. En sure there are no kinks or sharp bends that might restrict the fluid flow. See Figure 7-2: Three Approved Methods of Insta lling Heater Hose (Consult IT R f[...]

Section 7, Plumbing the System 7-6 The Oasis™ Heating Module[...]

Section 8 Oper a ting the Oasis™ Hea ting Module This section describes the fe atures, operation and maintenance of your new Oasis™ Heating Module. READ THESE INSTRUCTIONS AND SAVE FOR REFERENCE. 8.1 F eatures of Y our Oasis™ Hea ting Module The Oasis™ Heating Module uses a diesel burner (12 VDC) controlled by a m ulti-functional electr oni[...]

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 fu els. • Exhaust has minimal smoke and smell. • Fan assisted sealed combustion is designed to use outside combustion air. • Simple, low amperage draw ig nition. • Electron[...]

Section 8, Operating the Heating Module number identifies the model type throu gh the first series of letters and numbers. The two types of Oasis™ Heating Mo dules are: CH50 – Oasis™ Heating Module 50 CH35 (“CSA Certification Pending”) – Oasis™ Heating Modul e 35 8.3 Oper ating Instr uctions f or the Oasis™ Hea ting Module The Oasis[...]

Section 8, Operating the Heating Module 8.4 T ur ning the P o w er to the Oasis™ Hea ting 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 [...]

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 Hea t Source) • The burner switch on the Remote Ope ratin g Panel controls the ON/OFF of the diesel burner (primary heat source). When the burner switch is turned ON, the diesel portion[...]

Section 8, Operating the Heating Module Activating the Burner and AC immersion Element(s) Jointly • 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 die sel burner and AC elemen t(s) have been [...]

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 act ivated once the Oasis™ Heating Modu le is in its set operating te mperature range. The engine will start to be preheated by the Oasis™ H[...]

Section 8, Operating the Heating Module Burner Switch (Primary Heat Source) • The burner switch on the remote panel controls the O N/OFF o f the diesel burner. The Bu rner LED will turn on when the diesel burner ha s been activated. AC Element Switch (Secondary Heat Source) (CH50 and DM8 used in Tandem) • The triple position AC element switch c[...]

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 Mo dule. There are indicator LED’s on the panel that indicate the problem. Refer t o the description of t[...]

Section 8, Operating the Heating Module Compressor, Fuel Pump, Combustion Fan, Igniter (Gree n) • The compressor, fuel pump, co mbustion fan, and ig niter LED’s (Green) turn ON when the component is ON, and will flash i f the component is electrically open or sho rted. Flame Out (Red) • The Flame Out LED (Red) turns ON when a flame fault has [...]

Section 8, Operating the Heating Module Figure 8-4: Zone Control Panel Power LED (Green) • The power LED turns ON when the powe r to the Distribution Module Zone Control Board is ON.[...]

Section 8, Operating the Heating Module 8.12 Maintenance Customer Monthly Maintena nce : Check the fol lowing and correct as require d: • Coolant hoses and fittings for leaks and integrity. • Check coolant level in the o verflow bottle (3/4 full when hot). Fill only when the system is COLD and in small quantities only to prevent overfilling. ?[...]

Section 8, Operating the Heating Module Finally, the burner and counter-flow tube must b e taken out by r emoving the nuts hol ding th e burner box in position. If the tube is satisfactory, a thorough cleaning of the tube and burner chamber should be perfo rmed by blowing out and vacuuming any ash and carbon buildup. Any build up on the surface of [...]

Section 8, Operating the Heating Module • Oasis™ Heating Module connected to 12 VDC power? • Power button on Oasis™ Heating Module Cont rol Panel pushed ON? Power LED lit on Oasis™ Heating Module Control Panel? • Burner switch on Remote Operating Panel ON? Burner LED lit on Remote O perating Panel? • Main fuse or circuit br eaker blo [...]

Installing the Distribution Module, DM12 Thank you for purchasing the Distribution Module, DM12. This section descri bes its installation. 9.1 Installing y our Distribution Module Equipment, T ools and Skills As the Installer, you must be qualified and authorized to do the installation which requires me ch anical and electrical knowledge. Section 9[...]

Section 9, Installing the Distribution Module • Module must be mounted using four, 1/4” through bolts using 1” diameter fender washers, lock was hers and nuts. The module must be m ounted in the position as shown against a wall or on the floor. Figure 9-1: Distribution Module, DM12 9.3 Selecting the Distribution Module Zone Box Location • M[...]

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 Con trol Board box. The distance apart is dictated by th e length of the 9 pin connector cord used. 9.4 Plumbing Installation The plumbing installa [...]

Section 9, Installing the Distribution Module • The Domestic water connections are located on top of the module. The Cold water supply can be connected using a ½” NPT fitting. The maximu m water supply pre ssure to the module is 150 PS I (10 bar). The Hot water Outle t temperature is regulated by a n internal mixing valve fa ctory set at 120F [...]

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 [...]

Section 9, Installing the Distribution Module Figure 9-6: Connecting to the OASIS Heating Module • The Distribution module has the capability to supply heat for two separate heating loops labeled “He ating loop 1 supply” and “Heating loop 2 supply”. Each loop can cont ain several fans connected in series. The co ntrol board can regulate u[...]

Section 9, Installing the Distribution Module Figure 9-7: Connecting two Heating loops. Use only a non-toxic propylene glycol ba sed coolant with additives generally recognized a s safe ”GRAS” by the FDA in the coolant side of the Distribution Module. Refer to th e anti-freeze manufacturer recommendations for instructions for your particular ap[...]

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 pr opyl ene glycol and wate r (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 Oa[...]

Section 9, Installing the Distribution Module 6. Once the coolant in the contain er remains at the same level and there appears to be no air in the return stream from the fill outlet hose, close the va lves on the distribution mo dule and stop the diaphragm pump. 7. Turn off the pump activation switch. 8. The Oasis heating system is ready to be ope[...]

Section 9, Installing the Distribution Module 9.7 Distribution Module Zone Control Board Multi-Pin Connectors The Zone Control Board has fo ur multi-pin connectors, see Figure 9-3: Plumbing for Five Zones Using th e Distribution Modu le , that are to be connected through conne ctor cords (supplied) to the matching multi-pin connectors as follows: ?[...]

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Section 9, Installing the Distribution Module 9-14 The Oasis™ Heating Module[...]

W ar r anty Inf or ma tion June 2005 Page 1 Attention Purchaser and Installer NOTICE No warranty covers damage or failur e of the heater, hot water heater, he ating module, distribution mo dule, or space hea ting module (collectivel y, “the Product”) or to the vehicle in which it is installed, due to unapproved, unauthorized, or improper instal[...]

Warranty Information International Thermal Research Limited Warranty The following warranties are in lieu of all other warranties and con ditions. ITR makes n o other warranties, representations, or conditio ns, express or implied. Expressly excluded are all implied or statutory wa rranties or conditions of merchantability of fitness for a particul[...]

International Thermal Research Warranty Information • Original serial number on Product or elec trical 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 maintena[...]

Warranty Information International Thermal Research Depending on your locat ion, an authoriz ed service person may be able to visit your coach or yacht to help troubleshoot problems and re pair your Product. Such service calls are at the Owner’s expense. Regardless, you must obtain written appr oval from ITR or the Dealer for any warranty repair [...]