User manual CONTAX PCB-120

[. . . ] CAUTION: If you change the voltage setting using the adjusting pot, it will change the set points on all 4-selector switches. It is highly recommended you do not adjust this pot. SELECTOR SWITCH SETTINGS Switch 1 Used For Electrode Logic Off for High water Cut-off On for Low Water Cut-off Off-Make Contact for Turn-off On-Break Contact for Turn-off No. Series Modules Direct Direct Direct Direct 5 6 7 8 Set Point 68 82 96 110 Volts Volts Volts Volts 2 Remote Switch Logic Switch 3 4 5 6 Used For 75 Volt 90 Volt 105 Volt 120 Volt Panel Panel Panel Panel LARGE WIRE TERMINAL BLOCK 1 2 3 4 PVLDLD+ PV+ NEGATIVE NEGATIVE POSITIVE POSITIVE WIRE WIRE WIRE WIRE from the PV to the pump to the pump from the PV array. array. SMALL WIRE TERMINAL BLOCK 5 6 7 LO HI GRD/RS LOW WATER ELECTRODE HIGH WATER ELECTRODE LOW WATER GROUND AND REMOTE SWITCH GROUND REMOTE ON-OFF CIRCUIT is used to turn the pump on and off from a remote location. [. . . ] This is generally used in conjunction with a float switch which breaks contact to make the pump run. CONTROLLLER ADJUSTING PROCEDURE CAUTION: A QUALIFIED SOLAR ELECTRIC TECHNICIAN SHOULD ONLY PREFORM THIS PROCEDURE. THIS PROCEDURE IS NOT NECESSARY IF STANDARD 16. 5 TO 17 VOLT SOLAR MODULES ARE BEING USED. This procedure will not work on a centrifugal type pump such as an SCS submersible. The purpose of this procedure is to adjust the voltage of the PV array to its peak power point and thus obtain the maximum water delivery from the pump. This procedure should be performed with the panels at their normal operating temperature at mid-day. (Option 1) For Panel voltage adjustment at the maximum power point. With the system installed and pumping water, turn the panels away from the sun until the pump flow rate is reduced by approximately 50%. If this is not possible then shade the panels slightly until you obtain the same results. This puts the controller in a current boosting mode so this adjustment can be made. (LD+ and LD-) Turn the small brass adjusting screw on the "Panel Voltage Adjusting Pot", located on the front of the controller, until the highest possible voltage is obtained. (If this controller is used on a Jack Pump system using a flywheel there will be a slight delay from the time you make an adjustment to when a change in voltage will be noticed. ) Return the panels to their normal position. The pump will then operate at its maximum output. 4. (Option 2) For estimated panel voltage adjustment. 1) With the system installed and pumping water, turn the panels away from the sun until the pump flow rate is reduced by approximately 50%. if this is not possible then shade the panels slightly until you obtain the same results. (PV+ and PV-) 3) Estimate the proper voltage by multiplying the voltage rating of the panel's times the number of panels connected in series and deduct 20%. = 137 Volts - 20% = 110 Volts 12/06/99 5 4) Turn the small brass adjusting screw on the "Panel Voltage Adjusting Pot", located on the front of the controller, until the estimated voltage is obtained. The pump will then operate at its maximum output. TROUBLESHOOTING PUMP DOES NOT RUN If the pump does not run, first make sure the on/off switch is in the up position. The red light (indicating power in) and the green light (indicating power out) are the only ones that should be on. All other lights indicate that the controller has been turned off for a specific reason. If the solar panel wires are connected in reverse polarity the controller will short to ground. CAUTION: If a battery system or a high amperage panel system is used and the polarity is reversed, damage to the controller will result. If the motor polarity is reversed on a brush type motor the motor will simply run backwards. If the polarity is reversed on an SCS brushless DC motor, a diode in the motor will block any current flow. [. . . ] SOLARJACK shall have no responsibility for damage to property, persons, animals, or other loss or injury resulting from the use of this product. UNDER NO CIRCUMDSTANCES WILL SOLARJACK BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGE, UNLESS OTHERWISE EXPRRESSLY STATED HEREIN. SOLARJACK'S maximum liability under any warranty, expressed, or implied, or statutory, is limited to the purchase price of the product. This warranty is in lieu of all other warranties expressed or implied. [. . . ]