Thermo Products omd-70 service manual E. Alcove Installation, F. Closet Installation

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E. ALCOVE INSTALLATION

All installations and services must be performed by qualified service personnel.

E. ALCOVE INSTALLATION

In this application, a minimum of 18 inches of clearance must be provided to the front of the unit. Refer to Figure 4.

Alcove installations must use the No. 70 mobile home base.

Note – access to diagnostic view port.

Refer to section G. COMBUSTION AIR for additional combustion air requirements.

Figure 4.

F. CLOSET INSTALLATION

: HAZARD OF ASPHYXIATION: A suction effect will occur when the furnace is operating inside the closet with the closet door closed. For proper operation, the furnace blower shall create no more than a 0.05-inch water column pressure differential between the closet and the adjoining space.

Figure 5.

1.The return air opening into the closet is to have a minimum free area of 250 square inches, (refer to Figure 5).

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Contents FOR YOUR SAFETY MODEL: OMD-70 INSTALLATION AND SERVICE MANUALGAS-FIREDOR OIL-FIREDFURNACE DOWN FLOW & DIRECT VENT SEALED COMBUSTIONI. SAFETY SECTION If you do not follow these instructions exactly, a fire or explosion may result causing personal injury, loss of life or property damage Do not attempt to start the burner when All installations and services must be performed by qualified service personnel POWER SWITCH BEGINNING PAGE TABLE OF CONTENTSSECTION a. Combustible material MODELS OMD/GMD b.Non-combustiblematerialGMD-85 III. FURNACE SPECIFICATIONSMODEL BLOWER DATA BURNER DATAC.FURNACE LOCATION IV. INSTALLATION A. ROOF JACKB. STANDARD CHIMNEY Combustible Floor Base Model: 70-BASE D. BASE INSTALLATIONCottage Base Model: 01COT-BASE Figure 1A1. Combustible Floor Base Model: 70-BASE 2. Cottage Base Model: OMCCOT-BASE IMPORTANT: Adequate combustion air must be provided under all circumstances. If the underside of the home is skirted or enclosed e.g. by an enclosed crawlspace, the combustion air intake should exit through the side of cottage base and terminate outside of the structure. All joints and seams of supply ducts and combustion air ducts must be closed with a sealing method suitable to the application conditions and temperatures e.g. using high temperature silicone caulk and/or aluminum tape F. CLOSET INSTALLATION E. ALCOVE INSTALLATIONG. COMBUSTION AIR The preferred location of the outside combustion air intake termination e.g. an optional stainless steel intake hood, part no.370183 is through the side of the structure, skirting or enclosure. An alternate termination location is under the structure in the skirted or crawlspace area providing a minimum of 50 square inches of free area exists around the perimeter for outside combustion air to be drawn through. NOTE: Combustion air cannot be drawn from the occupied space of the home Figure H. FUEL PIPING 2. Oil Tank and Piping OMD-70 All installations and services must be performed by qualified service personnel Figure J. ELECTRICAL WIRING 1.Electrical Branch Supply Circuit TERMINAL DEFINITIONS & FIELD WIRING 4. BLOWER CONTROLLER INFORMATION FOR PSC MOTORB. Outputs A. InputsC. Operating Modes DIAGNOSTIC FEATURES PSC TROUBLE SHOOTING5. WIRING DIAGRAM K. BURNER INSTALLATION L.BURNER OPERATION AND ADJUSTMENT replacement parts for location identification. After the furnace is warmed up to a steady- state condition about 15 minutes, the final burner adjustment should be made using combustion instrumentation for measuring carbon dioxide CO2 or oxygen O2, carbon monoxide CO, smoke for oil furnaces, and stack temperature. In order to achieve the most efficient combustion possible, the following steps must be taken BURNER COMBUSTION PARAMETERS M. FLUE GAS COMBUSTION ANALYSISA. TROUBLESHOOTING V. DEALER MAINTENANCEprior to removing doors Note: Check diagnostic code through view portOMD/GMD TROUBLESHOOTING FLOWCHART Are the thermostat wires closed? If 120 VAC is After fuel valve opens, does the burner ignite? Has the high limit thermostat C.HEAT EXCHANGER CLEANING INSTRUCTIONS B.CAD CELL CHECKOUT PROCEDURE: OMD ONLYD. CLEANING OR REPLACING FLUE PIPES E. EXTENDED SHUTDOWN A. WARNINGS AND CAUTIONS VI. USER INFORMATION SECTIONFigure C. INSPECTION AREAS B. COMPONENT LOCATIONSE. CONTACT INFORMATION D.FILTER LOCATION AND CLEANINGINSTALLATION / SERVICE APPENDIX A. REPLACEMENT PARTS LIST