Thermo Pride MO-455 - Manuals

All installations and services must be performed by qualified service personnel. The following warnings and cautions are found throughout the Thermo Pride Model OPB Installation and Service Manual. Please read and comply with the statements below. : IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A...

All installations and services must be performed by qualified service personnel. : Waterproof type connectors must be used when connecting electrical power and control wiring to the unit to prevent moisture from being drawn into the unit during operation. : Refrigerant is under pressure. Guard again...

All installations and services must be performed by qualified service personnel. : Carefully read and thoroughly understand the following guidelines and warnings before continuing with the installation of this appliance. Failure to follow these guidelines can cause improper and unsafe operation of t...

All installations and services must be performed by qualified service personnel. A. Codes and Clearances: The following items must be considered when choosing the size and location of the unit. 1. All local codes and/or regulations take precedence over the instructions in this manual and should be f...

All installations and services must be performed by qualified service personnel. For proper and safe operation of this appliance, ensure that adequate clearances around air openings into the burner compartment and the condenser coil area are maintained. These openings are not to be blocked, or restr...

All installations and services must be performed by qualified service personnel. Figure 3: Installation of a Condensate Drainage Line on the Evaporator Coil Condensate from the evaporator is non-corrosive and may be disposed of in any appropriate manner. The drain connection should be sealed at the ...

All installations and services must be performed by qualified service personnel. 5. A readily accessible, design-certified, manual oil shutoff valve, with a non- displaceable rotor member, shall be installed in the fuel oil supply piping within 6 feet of the appliance. 6. A pipe union, or flanged co...

All installations and services must be performed by qualified service personnel. When the oil tank is located below the level of the burner, it is necessary to “lift” the oil to the burner. A return line should be connected between the fuel pump and tank. This requires insertion of the "by-pass&...

All installations and services must be performed by qualified service personnel. H. Airflow Requirements and Sizing of Duct Work The duct system must be sized and installed by a qualified installer or service person, following the design standards of the Air Conditioning Contractors of America (ACCA...

All installations and services must be performed by qualified service personnel. h. The resistance of the take-off and the outlet register (or return grill) should then be summed together to determine the total pressure drop for each branch. This value should be close to the assumed value for the pr...

All installations and services must be performed by qualified service personnel. 3. All wiring sizes must comply with local codes or the National Electrical Code. To minimize voltage drop to the appliance, the next larger size wire should be used when long wiring runs, in excess of 100 ft., are empl...

All installations and services must be performed by qualified service personnel. Figure 4: The Fan Control Module NOTICE: It is important to confirm that the operating voltage of the humidifier or EAC being installed matches the output of this control. If not, a field supplied relay or transformer m...

All installations and services must be performed by qualified service personnel. Preferred method of adjustment: Using an analog ammeter on the lowest scale, such as an Amp Check, connect the meter across terminals “R” and “W” on the sub-base (“RH” & “W” on an isolating thermostat sub-base). If ...

All installations and services must be performed by qualified service personnel. Or in this case, _2.5 A. = 0.25 A. (Anticipator Setting) 10 iv. Adjust the position of the anticipator indicator to match the calculated ammeter setting. If a slightly longer cycle is desired, the pointer should be move...

All installations and services must be performed by qualified service personnel. IV. STARTUP PROCEDURES A. Heating System 1. Initial Startup: : Turn off power to furnace. Before the oil piping system is placed into service, it must have been leak tested by a qualified heating contractor. : For initi...

All installations and services must be performed by qualified service personnel. The supply air temperature should be measured in the supply air trunkline approximately 12 inches downstream of the supply air outlet of the appliance. NOTICE: Minimum temperature rise is 50 0 F.; maximum temperature ri...

All installations and services must be performed by qualified service personnel. After 15 to 20 minutes of continuous operation, the temperature rise through the furnace must fall within a range of 50° to 80° F. If the outlet or supply duct temperature is too high, check to make sure the return air ...

All installations and services must be performed by qualified service personnel. B. Cooling Section 1. Initial Startup: : Refrigerant is under pressure. Guard against refrigerant spraying into the face or on skin. Always wear protective equipment, i.e. safety glasses or goggles and gloves when worki...

All installations and services must be performed by qualified service personnel. The suction pressure and condenser subcooling are the most significant readings. If a unit is suspected of having a low refrigerant charge, the unit should be recharged using the suction pressure then topped off using s...

All installations and services must be performed by qualified service personnel. 3. Condenser Subcooling: Before taking subcooling measurements, allow the system to stabilize through continuous operation for at least 15 minutes. To determine subcooling, measure the refrigerant pressure at the liquid...

All installations and services must be performed by qualified service personnel. V. INSTALLER'S INSTRUCTIONS TO USER After completing the installation, the installer shall inform and/or demonstrate to the homeowner: 1. The location of these instructions in the appliance. These instructions must be k...

All installations and services must be performed by qualified service personnel. excessive wear. Replace it, if required. Check and adjust oil pump pressure, if needed. Refer to Initial Heating System Adjustments section of this manual. 4. Heat Exchanger – Visually inspect the heat exchanger for exc...

All installations and services must be performed by qualified service personnel. 3. Operational Check : Before troubleshooting, familiarize yourself with the start up and check out procedures NOTICE: After reassembling the appliance, check for fuel oil leakage from the supply piping. a. Check proper...

All installations and services must be performed by qualified service personnel. D. Supply/Return Air Blower Check in the blower compartment for dust, dirt, debris, and for the presence of insects. Remove any foreign material. Clean the blower wheel, housing, and compartment of dust and lint with a ...

All installations and services must be performed by qualified service personnel. NOTICE: Remind the homeowner of the importance of monthly filter inspections during operation to ensure maximum operating efficiency. F. Extended Appliance Shutdown : Do not attempt to start burner when: • Primary reset...

All installations and services must be performed by qualified service personnel. 6. Open the inspection cover on the upper mounting plate. 7. Turn on the electrical power to start the burner. If the burner does not start, immediately reset the manual overload switch on the motor (if so equipped) and...

All installations and services must be performed by qualified service personnel. VII. HOMEOWNER/USER INFORMATION AND ROUTINE MAINTENANCE : Never burn garbage or refuse in this appliance. Never try to ignite oil by tossing burning papers or other material into the combustion chamber. : Oil-fired appl...

All installations and services must be performed by qualified service personnel. 4. Check to see if the high temperature limit switch reset button, on the burner motor, has “popped out”. If so, the control has activated. To reactivate the control, depress the reset button. 5. Replace and secure the ...

All installations and services must be performed by qualified service personnel. The following maintenance points should be reviewed periodically to assure the heating and cooling systems continue to function properly. : Shut off unit and disconnect the power source before disassembling the unit. : ...

All installations and services must be performed by qualified service personnel. Number of flashes Cad Cell Resistance (in ohms) Model R7184B 1 ......................................... 0 to 400 2 ......................................... 400 to 800 3 ......................................... 800 to...

All installations and services must be performed by qualified service personnel. IX. REFERENCES 1. International Approval Services-U.S. Inc. and the National Fire Protection Association, 1996, National Fuel Gas Code, ANSI Z223.1-1996/NFPA 54-1996, 6th Ed., pp. 10 & 13. 2. Earley, M.W., Sheehan, ...

All installations and services must be performed by qualified service personnel. X. APPENDIX A: SOURCES FOR REFERENCED STANDARDS 1. Air Conditioning Contractors of America 1712 New Hampshire Avenue, NW Washington, D.C. 20009 (202) 483-9370 2. American National Standards Institute, Inc., Attn: Custom...

All installations and services must be performed by qualified service personnel. XI. APPENDIX B: CALCULATIONS Example 1: Problem: It is desired to install a warm-air furnace w/ an air conditioning evaporator coil at a residence. The net output of the furnace is 100,000 BTU/hr and the evaporator will...

All installations and services must be performed by qualified service personnel. Figure 15: Plan View of a Typical Residence Solution: If certain flowrates are desired, for heating or cooling reasons, or are required, by local codes, those guidelines should be followed. In lieu of other requirements...

All installations and services must be performed by qualified service personnel. This procedure can be repeated to determine the airflow for each room in the residence. The results of these calculations are given in Table 6, below. Table 6: Required Room Air Flowrates Based on Floor Area for Example...

All installations and services must be performed by qualified service personnel. However, there are two, 90 degree turns in the branch that will cause a large pressure drop, not accounted for in our calculations. To compensate for this drop, we should increase the effective length of the branch. For...

All installations and services must be performed by qualified service personnel. Likewise, the pressure drops for the two remaining segments in this branch can be calculated in the same manner. They are, . . . . 00702 . 0 . . . 0129 . 0 G W in P and G W in P H F = Δ = Δ Referring to section (f) and ...

All installations and services must be performed by qualified service personnel. Using the previous pressure drop equation, the pressure drop through segment “A” is 0.0321 in. W.G. Then, the pressure drop for the “D” and “E” branch is, .. . . 0643 . 0 . . . 0257 . 0 . . . 0644 . 0 . . . 0321 . 0 G W...

All installations and services must be performed by qualified service personnel. The pressure drops for the remaining branches of the system must be set. This includes segment “G”; segments “I” and “J”; and segments “K”, “L”, and “M”. To balance the system, the pressure drop for each branch must be ...

All installations and services must be performed by qualified service personnel. Example 3 : Problem: Refrigerant measurements are made on the cooling system of a typical OPB installation. The suction line pressure, measured at the condenser unit, suction line, charging port, is 135 PSIG. The temper...

All installations and services must be performed by qualified service personnel. XII. APPENDIX C: ELECTRICAL SCHEMATIC AND CONNECTION DIAGRAM 74

All installations and services must be performed by qualified service personnel. XIII. APPENDIX D: SEQUENCE OF OPERATIONS 75 A. SEQUENCE OF OPERATIONS FOR THE HEATING SYSTEM Mode of Operation Start Start trial for ignition Standby (At any time the oil valve is not energized) On power interruption, s...

All installations and services must be performed by qualified service personnel. 76 Control System Action OPB 2 of 2 After 45 second delay, the ignition electrodes are de- energized. The circulating air fan is energized at heating speed. The (optional) electronic air cleaner & humidifier are ene...

All installations and services must be performed by qualified service personnel. XIV. APPENDIX E: TROUBLESHOOTING FLOWCHARTS 77 A. SEQUENCE OF OPERATIONS FOR THE HEATING SYSTEM Mode of Operation Start Start trial for ignition Standby (At any time the oil valve is not energized) On power interruption...

All installations and services must be performed by qualified service personnel. 81 DOES FURNACE OPERATE WITHOUT CONDENSING? IS THE TEMPERATURE DIFFERENCE BETWEEN SUPPLY IS STACK TEMPERATURE Yes Yes Yes Yes No No No No IS BURNER SET AS INDICATED IN ABOVE SECTION? ADJUST BURNER COMBUSTION TO PRODUCE ...

All installations and services must be performed by qualified service personnel. Notes for Air Conditioning Troubleshooting Guide 1.101.0 Check to see if the contactor has not pulled in. If the coil has not pulled in the contactor, check for 24 VAC to the coil on the contactor. 1.101.1 Check to make...

All installations and services must be performed by qualified service personnel. 86 XV. APPENDIX F: SPECIFICATION SHEETS Model No.: OPB24-80 OPB30-80 OPB36-80 Heating Performance (using # 2 fuel oil): Input rate (BTUH), Maximum / Minimum :Heating capacity (BTUH), Maximum / Minimum : Design temp. ris...

All installations and services must be performed by qualified service personnel. APPENDIX H: OPB HEATING AND COOLING SYSTEMS TEST FORM Name:Address:City, State, & Zip Code:Model No.:Serial No.:Burner Model No.:Mfgr & Model of Fuel Oil Filter:Combustion Tests * Service # 1 Service # 2 Service...