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Lochinvar EnergyRite ER152 Service Manual

Other manuals for EnergyRite ER152: User's Information Manual

Summary of EnergyRite ER152

  • Page 1

    Service manual models: er152, er202, er252, er302, and er402 this manual must only be used by a qualified heating installer / service technician. Read all instructions, including this manual and the energyrite installation and operation manual, before installing. Perform steps in the order given. Fa...

  • Page 2

    2 service manual contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 hazard definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 please read before proceeding . . . . . . . ....

  • Page 3

    Please read before proceeding installer – read all instructions, including this manual and the energyrite installation and operation manual, before installing. Perform steps in the order given. User – this manual is for use only by a qualified heating installer/service technician. Refer to the energ...

  • Page 4

    4 service manual please read before proceeding when servicing pool heater – • to avoid electric shock, disconnect electrical supply before performing maintenance. • to avoid severe burns, allow the pool heater to cool before performing maintenance. Pool heater operation – • do not block flow of comb...

  • Page 5

    Service manual 5 what is in this manual? Service the energyrite display • display panel readout, buttons and their functions control module inputs • control module inputs and options control module outputs • control module outputs and options general • how the pool heater operates • how the control ...

  • Page 6

    1 service 6 service manual the energyrite display.

  • Page 7

    1 service (continued) service manual 7 control inputs.

  • Page 8

    1 service 8 service manual control outputs.

  • Page 9

    1 service (continued) service manual 9 general operation how the pool heater operates the energyrite uses a copper finned tube heat exchanger and an electronic control module. The blower provides both primary and secondary air to the burners and forces the flue products out of the combustion chamber...

  • Page 10

    1 service 10 service manual access setup menu table 1a use this procedure to access the setup menu from the display panel the pool heater will continue to operate while the setup menu is being accessed. To adjust settings, press the menu button until the desired screen is displayed. Use the up and d...

  • Page 11

    1 service (continued) service manual 11 table 1b use this procedure to access the service menu from the display panel service menu descriptions the screens may also be scrolled backwards by pressing the up button. The pool heater will continue to operate while the service menu is being accessed. To ...

  • Page 12

    1 service 12 service manual keypad lockout locking the keypad the user has the ability to lock the keypad to prevent unauthorized adjustments. To lock the keypad, the user must first select and input a passcode. See set passcode under setup menu descriptions on page 10 of this manual. Once a passcod...

  • Page 13

    2 maintenance service manual 13 maintenance and annual startup table 2a service and maintenance schedules service technician (see the following pages for instructions) general: • address reported problems • inspect interior; clean and vacuum if necessary • check for leaks (water, gas, and flue) • ve...

  • Page 14

    14 service manual follow the service and maintenance procedures given throughout this manual and in component literature shipped with the pool heater. Failure to perform the service and maintenance could result in damage to the pool heater or system. Failure to follow the directions in this manual a...

  • Page 15

    Service manual 15 2 maintenance (continued) figure 2-2_gas train and burners burner removal and cleaning  warning the area around the burner viewport is hot and direct contact could result in burns. Figure 2-1_flame pattern illustration a) normal flame: a normal flame is blue, with slight yellow ti...

  • Page 16

    2 maintenance 16 service manual  warning the combustion chamber lining in this appliance contains ceramic fiber materials. Ceramic fibers can transform into cristobalite (crystalline silica) when exposed to temperatures above 2192°f (1200°c) dependent upon the length of exposure time.* the internat...

  • Page 17

    Service manual 17 2 maintenance (continued) do not wet the pool heater’s refractory. Notice 2. Combustion air fan: the combustion air fan should be checked every 6 months or each season of operation. Clean fan as required when installed in a dust or dirt contaminated location. 3. Water circulating p...

  • Page 18

    18 service manual combustion air shutter adjustment this pool heater uses a fan assisted combustion process. The fan air shutter is factory preset and should not need adjusting in most cases. If adjustment is required, the fan air shutter may be manually adjusted to a dimension specified for each mo...

  • Page 19

    Service manual 19 gas train and controls ) figure 2-9_gas train drawing the gas train and controls assembly provided on this pool heater have been tested under the applicable american national standard to meet minimum safety and performance criteria such as safe lighting, combustion, and safety shut...

  • Page 20

    20 service manual facts about water chemistry factors which affect pool and spa water and, more importantly, the efficiency of your new pool/spa heater are: 1. Proper filtration 2. Proper circulation 3. Disinfection and oxidation 4. Ph control and total alkalinity 5. Algae control the water chemistr...

  • Page 21

    Service manual 21 heat exchanger inspection tubes this pool heater is especially designed to operate without accumulation of scale in the heat exchanger, even in very hard water. Periodic inspections of the tubes should be made to be sure that no scale is accumulating. Water piping should be disconn...

  • Page 22

    3 troubleshooting 22 service manual label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Always disconnect power to the pool heater before servicing. Failure to comply could result in severe personal injury, death, or substantial p...

  • Page 23

    Table 3b inlet/outlet system sensor resistance vs. Temperature temperature resistance 50 18,780 68 12,263 86 8,194 104 5,592 122 3,893 140 2,760 checking temperature sensors the pool heater temperature sensors (inlet and outlet water) are both resistance type devices. The following table shows the c...

  • Page 24

    3 troubleshooting 24 service manual table 3c troubleshooting chart - noisy system f fa au ul lt t c ca au us se e c co or rr re ec ct tiiv ve e a ac ct tiio on n noisy operation - supply gas problem. Natural gas pressures should be between 4.0 inches w.C. And 14 inches w.C. Lp gas pressures should b...

  • Page 25

    Service manual 25 table 3d troubleshooting chart - fault messages displayed on pool heater interface f fa au ul lt t d de es sc cr riip pt tiio on n c co or rr re ec ct tiiv ve e a ac ct tiio on n aux device 1 open the field supplied safety wired into aux device 1 has opened. This will most commonly...

  • Page 26

    3 troubleshooting 26 service manual table 3d (continued from previous page) troubleshooting chart - fault messages displayed on pool heater interface f fa au ul lt t d de es sc cr riip pt tiio on n c co or rr re ec ct tiiv ve e a ac ct tiio on n high limit open the outlet water temperature has excee...

  • Page 27

    3 troubleshooting (continued) service manual 27 table 3d (continued from previous page) troubleshooting chart - fault messages displayed on pool heater interface f fa au ul lt t d de es sc cr riip pt tiio on n c co or rr re ec ct tiiv ve e a ac ct tiio on n pool standby / low water flow the pool hea...

  • Page 28

    3 troubleshooting 28 service manual gas manifold pressure adjustment procedure figure 3-1_front chamber pressure measurement 5. Turn the power switch to the “on” position. 6. Set the thermostat to call for heat. The fan will start. 7. While the combustion air fan is running for the prepurge cycle an...

  • Page 29

    Service manual 29 3 troubleshooting (continued) 16. The gas valve will open at the end of the trial for ignition stage and remain open as the burners fire. Observe the gas manifold pressure when valves open. If insufficient gas pressure is supplied to the burners, the burners will not fire. Record t...

  • Page 30

    Service manual 30 3 troubleshooting 4. Turn on gas supply at the manual gas cock, turn on lp gas at tank if required. 5. Turn the power switch to the “on” position. 6. Ensure that the “on/off” knob or the valve is in the “on” position. 7. Set the electronic temperature control to call for heat. 8. O...

  • Page 31

    31 upon completion of any testing on the gas system, leak test all gas connections with a soap and water solution while main burners are operating. Do not spray soap and water solution on the housing. The use of an excessive amount of soap and water solution can damage the control. Immediately repai...

  • Page 32

    Erp-ser-rev a cp-2m-3/07.