Adjusting Heat Siphon Water Pressure switch
Contents
1. RNAS m REN NN NN NN SERRE Pennsylvania U S A Made in Latrobe Since 1983 awa SSS N SSS SS DO KAN WAAC SSS b SS NN E P R N FORM To KEEP YOU W Owner Service Manual For Heat Siphon Swimming Pool Heat Pump Models Discontinued Models 220Volt 1 Phase 60 Hz ONLY SX3 25HP SX5HP 220Volt 1 Phase 50 60 Hz 2 25HP 3 25HP 5 0HP 220Volt 1 Phase 50 Hz ONLY SX3 25HP50 SXSHP50 220Volt 3 Phase 50 60 Hz 3 25HP3 5HP3 SX3 25HP3 SX5HP3 380 460 Volt 3 Phase 50 60 Hz 2 25HPX 3 25HPX 5HPX SX3 25HPX SXSHPX New Models ALL C Series And Z Series Heat Siphon Models ALL RIGHTS RESERVED Publisher United States ThermoAmp Inc 1223 Walnut St Latrobe PA 15650 724 537 3500 Copyright 1994 1998 United States ThermoAmp Inc HEAT SIPHON Technical Manual Excerpt Adjustment of the Water Pressure Switch Below are pictures of the water pressure switch and its location in your Heat Siphon Fig 4 2 Water Pressure Switch Location in Control Box Compressor Run Capacitor Contactor Capacitor Mounting Strap Fan Run Capacitor 24 volt Transformer Water Pressure Switch Thermostat 5 minute Time Delay Low Pressure Switch High Pressure Switch Heat Siphon s exclusive FULL FLOW Titanium heat exchanger has a minimal pressure drop and requir2. Fig 4 1 b Old Style Water Pressure Switch
3. BELOW the unit and the Heat Siphon won t turn on with the pool pump turn the pressure switch adjustment thumb wheel to the right until the top of the switch is at the MINIMUM SETTING 1 psi If the unit still doesn t start and it is more than 2 feet BELOW the water surface to the thermostat knob then the height difference may be creating a siphoning effect as the pool water returns to the pool which in turn lowers the pool return line pressure below the minimum trip pressure of this switch In this case you may need to create sufficient back pressure by using eyeball sockets in all the return lines or by restricting the flow with a reducing fitting downstream of the Heat Siphon DISTANCEH FROM KNOBU TO POOL Hl SURFACE HEATO SIPHON POOL 2 If the pool surface is ABOVE the unit and the Heat Siphon won t turn off when the pool pump shuts off then measure the vertical I 3 HEAT SIPHON Technical Manual Excerpt distance in feet from the Heat Siphon knob and the pool water surface and divide by 2 This will be the approximate pressure setting required for proper operation Turn the pressure switch thumb wheel until the top of the wheel lines up with the proper psi lines 3 Replace cover and repeat the start up shut down test above shut down test above WATER PRESSURE SWITCH ADJUSTMENT RANGE Fig 4 1 a New Style Water Pressure Switch ADJUSTING WHEEL LOCATION
4. es NO SPECIAL PLUMBING arrangement It should be considered as just an other length of PVC pipe in your pool filtration system LOCATION Connect Heat Siphon in the pool pump discharge return line DOWNSTREAM of all filters and pool pumps and UPSTREAM of any electranator chlorinators or chemical pumps SIZE All Heat Siphon s have 1 5 x 2 fittings for connection to the pool or spa filtration piping which will accept 1 5 schedule 40 PVC pipe directly or 2 SCH 40 PVC pipe with a 2 PVC coupling The in line water pressure drop produced by Heat Siphon is less than 1 5 psi at 30 GPM Only one Heat Siphon adjustment may be required at installation On some models of the Heat Siphon a gas heater type water pressure sensing switch is used to detect flow rather than direct flow measurement The switch prevents Heat Siphon operation with L 2 HEAT SIPHON Installer Section no water flow Adjustment is required when the vertical distance from the pool surface to the Heat Siphon thermostat knob is more than a few feet above or below pool level To correct this condition DISCONNECT ALL ELECTRICAL POWER Remove the knob and cover to the control box and adjust the switch as follows HEAT SIPHON E J z IF UNIT IS WELL ABOVE POOL WATER YOU MAY NEED TO CREATE BACK PRESSURE TO TRIP THE FLOW SWITCH install eyeball sockets in return lines 1 If the pool is
Download Pdf Manuals
Related Search