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Marley Electric Basin Heater
User Manual 92-1322C
Page 1: ...Marley Electric Basin Heater User Manual 92 1322C...
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Page 3: ...e freight carrier 2 Check the nameplate on the enclosure and verify that the heaters and the control panel are rated for the correct voltage 3 Check the watt rating on each element and verify the sum...
Page 4: ...olid state relay card to detect low temperature and low water conditions The panel enclosure is rated NEMA 4X liquid tight noncorrosive and the sensor cable is UL outdoor rated The sensor probe is sta...
Page 5: ...perate out of the water It would become extremely hot 1500 F and destroy the heater element and or ig nite nearby combustible materials As a precaution and to prevent fires when the clearance between...
Page 6: ...Eithercomputetheactualloadontheheatercontrol panel to determine the sum total KW of all the heaters connected to it or use the nameplate rating to determine the wire size required To calculate amp dra...
Page 7: ...embly is factory installed to the control panel Do not at tempt to lengthen or shorten the cord Sensor assemblies with various lengths up to 99 0 are available and may be specified at the time of purc...
Page 8: ...evel above the sensor probe and temperature above 45 F both these LEDs will be off If the red LED is illuminated this indicates a low water condition and the heaters will not operate If the green LED...
Page 9: ...lay circuit board SOLID STATE RELAY CARD PROBE BASIN RED CT N G2 G1 T2 T1 SH 120 RED 240 24 COM NC NO BLK RED BLK SHIELD RESISTOR GREEN Figure 2 Operation 4 Connect a 1 5K ohm resistor included in pan...
Page 10: ...ke sure water still covers the heater elements 3 Place the probe in a container of ice water making sure both metal parts of the probe are submerged but not the cord 4 Energize the heater control pane...
Page 11: ...hese procedures 1 Disconnect power to the control panel using standard lockout proce dures for safety 2 Remove the panel cover 3 Install a jumper wire between relay terminals G1 and G2 see Figure 3 Op...
Page 12: ...the heaters are energized A If the red LED is on and the sensor probe is submerged in water no ice this indicates the sensor probe is defective Confirm by discon necting power and placing a jumper acr...
Page 13: ...ided See Figure 2 If the system now works the sensor probe is defective and must be replaced If the system does not work go to step 2 2 Reconnect power and take a voltage reading across N and 24 240 o...
Page 14: ...D 4 Sensor Probe with 12 cord A81137D Sensor Probe with 22 cord B07688D contact Marley for other cord lengths 5 Heater Element contact Marley for specific heater elements Replacement Parts Call your M...
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Page 16: ...213 UNITED STATES 913 664 7400 spxcooling spx com spxcooling com In the interest of technological progress all products are subject to design and or material change without notice 2008 SPX Cooling Tec...
