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PVI Industries MAXIM INTEGRATED WATER HEATING SYSTEM manual

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Table of contents for the manual

  • Page 1

    PV500 - 17 05 - 2000 Section 17 1 INSTALLATION & MAINTENANCE MANUAL FOR MAXIM INTEGRATED WATER HEATING SYSTEM TABLE OF CONTENTS Start - up Procedures 2 Maintenance & Safety Inspections 3 - 5 Wiring Diagrams 6,7 Burner 8 Burner Start - up 9 - 12 Burner Troubleshooting 13.14 MXG Burner Manua l Refer to PV500 - 21A MXO Burner Manual Refer to P[...]

  • Page 2

    PV500 - 17 05 - 2000 Section 17 2 START - UP PROCEDURES CAUTION: DO NOT RELIGHT PILOT OR START BURNER WITH COMBUSTION CHAMBER FULL OF GAS OR OI L VAPOR, OR WITH VERY HOT COMBUSTION CHAMBER. 1. Study the burner start - up information included in this manual carefully. 2. Fill the water heater tank with water. Open the relief valve or a nearby hot wa[...]

  • Page 3

    PV500 - 17 05 - 2000 Section 17 3 MAXIM MAINTENANCE AND SAFETY INSPECTIONS 1. Establ ish a preventive maintenance program to assure a longer water heater life. 2. The tank should be flushed at two - or three - month intervals depending on water conditions in your location. To flush, turn off electrical disconnect switch to prevent the burner fr om [...]

  • Page 4

    PV500 - 17 05 - 2000 Section 17 4 MAXIM MAINTENANCE AND SAFETY INSPECTIONS (continued) Periodic Inspection of Operation Components (continued) CAUTION: THE RELIEF VA LVE IS A PRIMARY SAFETY DEVICE. 2. The temperature and pressure relief valve may be checked by slowly lifting the seat lever on top of the valve to determine its condition for safe ope[...]

  • Page 5

    PV500 - 17 05 - 2000 Section 17 5 MAINTENANCE & SAFETY INSPECTION REPORT DATE BURNER INSPECTION COMBUSTION ANALYSIS TANK INSPECTION TANK FLUSH & CLEANOUT TANK FITTING INSPECTION VENT INSPECTION THERMOSTAT INSPECTION GAS TRAIN LEAK TEST Recommended Inspection Intervals YEARLY 6 MONTHS 6 MONTHS 3 MONTHS 6 MONTHS YEARLY YEARLY YEARLY TABLE 17 [...]

  • Page 6

    PV500 - 17 05 - 2000 Section 17 6 MAXIM AXIAL FLOW GAS BURNER CARBON MONOXIDE WARNING: CAUTION: IMPROPER COMBUSTION MAY CAUSE SERIOUS INJURY. PVI recommends a s easonal or annual combustion check - out be performed by a qualified service agency to ensure safe and efficient operation. TYPICAL CONSTRUCTION FIGURE 17 - 2 1. FAN HOUSING 9. AIR PROVING [...]

  • Page 7

    PV500 - 17 05 - 2000 Section 17 7 MAXIM AXIAL FLOW GAS BURNER START - UP (Refer to Figure 17 - 2, page 6 to identify burner parts) 1. Remove the enclosure panel cover on the water heater or boiler to expose the control circuit. A wiring diagram, included in this packet, will show the controls used in our circuitry. 2. Visually check that all compon[...]

  • Page 8

    PV500 - 17 05 - 2000 Section 17 8 MAXIM AXIAL FLOW GAS BURNER START - UP (continued) PRESSURE PLATE Set up and Tolerances Figure 17 - 3 13. Connect a test meter to the control for reading the flame response signal. NOTE: Some controls read the flame signal in micro amps and some in volts DC. The TFM or MC120 series control has two terminals marked [...]

  • Page 9

    PV500 - 17 05 - 2000 Section 17 9 MAXIM AXIAL FLOW GAS BURNER START - UP (continued) This section pertains to MC120 control only. When the blower motor starts, the air proving light on the MC - 120 should be on. This indicates a positive air flow condition. If the air proving light is not on, turn air proving switch adjustment screw counter - clock[...]

  • Page 10

    PV500 - 17 05 - 2000 Section 17 10 MAXIM AXIAL FLOW GAS BURNER START - UP (continued) 17. Check flue gases with a flue analyzer to make final settings of the air shutter. a. The readings need to be taken from a hole in the vent several inches above the heater vent connection, but before draft regulator. b. Insert draft gauge into the 1/4" test[...]

  • Page 11

    PV500 - 17 05 - 2000 Section 17 11 MAXIM TROUBLESHOOTING SUGGESTIONS AXIAL FLOW GAS BURNER 1. BURNER FAILS TO START Defective On/Off switch. Replace switch. A. Control circuit has an open control contact. Check limits, low water cutoff, proof of closure switch and others as applicable. B. Bad fuse or switch open on incoming power source. Correct as[...]

  • Page 12

    PV500 - 17 05 - 2000 Section 17 12 MAXIM TROUBLESHOOTING SUGGESTIONS AXIAL FLOW GAS BURNER (continued) C. Defective automatic main or auxiliary gas shut off valves. Check electrical circuitry to valves. Replace valves or correct circuitry a s required. D. Main diaphragm shut off valve opening too slowly. Adjust bleed on valve. E. Defective flame sa[...]