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For example: Simpson 260 or equivalent. For test purposes, the air flow switch may be “wired out” of the system. This will eliminate the need for air flow across the sensing thermistor to energize the power supply (see Fig 23). NOTE: All tests to be performed with the Ozone Reduc tion Jumper intact. NOTE: When servicing the power pack components, all wiring must be routed to factory specifications. Power Supply Specifications The solid-state power supply is not designed for individual component part replacement and must be replaced as a complete "snap-in" unit. Input voltage: 120 VAC 60 Hz. Output to light: 1.5 to 2.5 VDC H.V. Output: 6450 VDC (nom) Collecting Cell Specifications 1000 cfm -1.0 Ma @ 6450VDC 1400 cfm -1.2 Ma @ 6450 VDC 1600 cfm -1.5 Ma @ 6450 VDC 2000 cfm -1.7 Ma @ 6450 VDC Figure 22 11 POWER SUPPLY POWER SUPPLYPOWER SUPPLYPOWER SUPPLYPOWER SUPPLYPOWER SUPPLYCHECKOUT PROCEDURE CHECKOUT PROCEDURECHECKOUT PROCEDURECHECKOUT PROCEDURECHECKOUT PROCEDURECHECKOUT PROCEDURE 1. Turn power switch to the “OFF” position and remove the power pack from cabinet. 2. If air flow switch is installed, locate air flow switch and remove power pack cover. If air flow switch is not installed, go to step 4. 3. Disconnect the three-pin plastic connector and jumper the two female pins (white wire to white-brown wire) as shown in Fig. 23. Plastic Connector Male Pin Jumper Lead Female Pins Method of jumping lead wires of connector plug from air flow switch. Figure 23 4. Place power pack on a well insulated workbench. Connect meter negative (-) lead to the sheet metal chassis and the high voltage probe to high voltage contact on back cover of power pack. Connect AC power to power pack using an extension cord and turn power switch to the “ON” position. Keep hands and Keep hands andKeep hands andKeep hands andKeep hands andKeep hands and tools away from high voltage contact. tools away from high voltage contact.tools away from high voltage contact.tools away from high voltage contact.tools away from high voltage contact.tools away from high voltage contact. 5. If Operating Light comes ON and output voltage is between 6100 and 6800 VDC, power supply is good. 6. If voltage is good but Operating Light does not come on, replace Operating Light. CELL TEST CELL TESTCELL TESTCELL TESTCELL TESTCELL TEST 1. Place collecting cell on a well insulated workbench with the cell contact button pointing upward. 2. Select a power pack (with air flow switch bypassed and ozone reduction jumper intact) that reads between 6100 and 6800 VDC at the cell contact with no cell attached. 3. Place power pack on top of collecting cell ensuring that there is proper contact between the cell contact on the power pack contact. 4. Using a standard extension cord, apply 120 VAC to power pack. Turn power switch to “ON” position. 5. Connect meter negative (-) lead to metal frame of collecting cell. Use high voltage probe to measure voltage at collecting cell ionizer or cell plates. Voltage should be 6100 to 6800 VDC. NOTE: NOTE:NOTE:NOTE:NOTE:NOTE: A new “out-of-box” cell may cause the voltage to be lower than normal for a short period of time. To obtain a more accurate measurement, “age” the cell by applying high voltage to the cell for 15 to 30 minutes. 6 If voltage is below 6100 VDC, check cell for foreign objects, bowed/bent/loose plates, broken ionizing wires or cracked insulators. Wash cells if required. If Operating Light remains OFF, replace collecting cell. AIR FLOW MONITOR TEST AIR FLOW MONITOR TESTAIR FLOW MONITOR TESTAIR FLOW MONITOR TESTAIR FLOW MONITOR TESTAIR FLOW MONITOR TEST 1. Connect a multimeter set to read 120 VAC to power supply terminals marked “LINE.” 2. Connect 120 VAC to power pack plug, turn power switch “ON.” 3. Blow on thermistor at air flow monitor. 120 VAC should appear at multimeter. Stop blowing and voltage should disappear in 10 - 15 seconds. 4. If voltage did not appear (Step 3), disconnect power to power pack. Locate air flow switch and remove power pack cover. Disconnect the three-pin plastic connector. Jumper the two female pins (white wire to white-brown wire) as shown in Fig. 23. Reconnect power to power pack. Turn power switch “ON.” A. If 120 VAC appears at multimeter, replace air flow monitor. B. If 120 VAC does not appear on multimeter, problem is other than air flow monitor. Recheck all primary wiring. NOTE: The air flow monitor is designed to operate in the temperature range of 65° to 120° F. Operation outside this range is not recommended. 12 OZONE REDUCTION OZONE REDUCTIONOZONE REDUCTIONOZONE REDUCTIONOZONE REDUCTIONOZONE REDUCTION All electronic air cleaners typically produce a small amount of ozone that is within established limits. Some customers may notice an odor especially at high altitudes or low air flow rates. This power supply has a “hairpin” shaped jumper wire labeled W1 (see Fig 24) that can be cut and separated in case of such complaints. This will cause the power supply to limit the maximum operating...

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