Thermo Pride MO-425 - Manuals

Page 3 - I. GENERAL INSTRUCTIONS - READ BEFORE START OF INSTALLATION; This furnace is not to be used as a construction heater; COMBUSTIBLE MATERIAL:

All installations and services must be performed by qualified service personnel. 1 I. GENERAL INSTRUCTIONS - READ BEFORE START OF INSTALLATION 1. The heating output capacity of the furnace proposed for installation should be based on a heat loss calculation made according to the manuals provided by ...

Page 4 - inside area of the chimney liner; This formula calculates the; minimum

All installations and services must be performed by qualified service personnel. 2 If the "entire" building is unusually tightly constructed and/or has an exhaust fan installed, a low pressure zone could be created within the structure. Air for combustion and draft control operation must be ...

Page 8 - REDUCTION OF CLEARANCES WITH SPECIFIED FORMS OF PROTECTION

All installations and services must be performed by qualified service personnel. 6 Fig. 7: Alternate constructions that allow reduced clearances to combustible materials. REDUCTION OF CLEARANCES WITH SPECIFIED FORMS OF PROTECTION Type of protection applied to and covering all surfaces of combustible...

Page 9 - The vent; The vent connector pipe should be as short; DUCT SIZES FOR HOMES, QUIET OFFICES OR SIMILAR INSTALLATIONS

All installations and services must be performed by qualified service personnel. 7 The vent connector pipe between the furnace and chimney shall be of equal diameter as the flue outlet of the furnace. The vent connector pipe must be made of 24 gauge (or thicker) corrosion-resistant steel. The vent c...

Page 10 - RETURN AIR DUCT SYSTEM; should equal the warm air duct system in airflow capabilities.; SIZING THE DUCT WORK FOR A COMBINATION HEATING AND COOLING SYSTEM:

All installations and services must be performed by qualified service personnel. 8 Fig. 8: Supply air duct sizing Example The RETURN AIR DUCT SYSTEM should equal the warm air duct system in airflow capabilities. NOTE: When a return register is located in the same room as the furnace, the register mu...

Page 11 - Do not; use compression fittings.

All installations and services must be performed by qualified service personnel. 9 D. OIL TANK & PIPING: ? ? ? ? WARNING: All local codes and ordinances take precedence with regard to tank and oil lines. In the absence of local codes, all tanks and lines must be installed according to NFPA31 Sta...

Page 13 - CO; or oxygen; DO NOT RUN THE PUMP DRY FOR MORE THAN FIVE MINUTES, AS; OR O 2

All installations and services must be performed by qualified service personnel. 11 G. INITIAL BURNER OPERATION: IMPORTANT: READ BURNER INSTRUCTION MANUAL (INCLUDED WITH BURNER) BEFORE CONTINUING. To successfully service and initially set up the oil furnace, you must use the following instruments: A...

Page 14 - Minimum temperature rise is 55° maximum temperature rise is 85°.; III. DEALER MAINTENANCE

All installations and services must be performed by qualified service personnel. 12 For example, if a 13% CO2 (3.5% O2) is measured at a trace of smoke, open the air shutter until a zero smoke reading is obtained with a 12% CO 2 or 4.5% O2. The reason for recommending the lower CO2 setting even thou...

Page 18 - EFFECTS OF PRESSURE ON NOZZLE FLOW RATE

All installations and services must be performed by qualified service personnel. 16 GO TO PROPER COMBUSTION ACHIEVED SECTION ABOVE AND SET COMBUSTION ADJUST BLOWER SPEED TO RAISE TEMPERATURE RISE. -- INCREASE LENGTH OF BURNER ON CYCLE -- INSULATE CHIMENY WITH CHIMNEY LINER. DOES FURNACE OPERATE WITH...

Page 19 - must; be cleaned or replaced to ensure proper venting.

All installations and services must be performed by qualified service personnel. 17 B. CAD CELL CHECKOUT PROCEDURE: 1. Remove cad cell lead wires, then start the burner. Shortly after burner starts, place a temporary jumper between terminal f - f. Connect ohmmeter across cad cell lead wires - resist...

Page 20 - CAUTION: Do not attempt to start burner when:; Excess oil has accumulated

All installations and services must be performed by qualified service personnel. 18 ? ? ? ? CAUTION: Do not attempt to start burner when: 1.Excess oil has accumulated 2.When the furnace or burner is full of vapor 3.When the combustion chamber is very hot. If one or more of these conditions exist, co...