Bulletin 30-21
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Page 1
3-Way Valves
Installation and Servicing Instructions
May 2016 / Bulletin 30-21
Страница 1: ...Bulletin 30 21 Page 1 3 Way Valves Installation and Servicing Instructions May 2016 Bulletin 30 21...
Страница 2: ...gh its own analysis and testing is solely responsible for making the final selection of the system and components and assuring that all performance endurance maintenance safety and warning requirement...
Страница 3: ...stem in the normal condenser mode B and C Type Reclaim Reheat Condenser Energized When the pilot valve is energized high side pressure is per mit ted to flow through the lower pilot port at the same t...
Страница 4: ...head pres sure control see Bulletin 30 20 or Bulletin 90 30 1 TYPICAL PIPING SCHEMATICS Figure 3 Q Use normally open solenoid valve and piping if pump out is required and C model Heat Reclaim Valve is...
Страница 5: ...coil is en er gized This al lows the heat ing to control the 3 Way Heat Reclaim Valve op er a tion When the pump down control is de energized the normally closed con tact is closed This bypasses the...
Страница 6: ...bove the pis ton seat assembly to suction pressure 2 The cavity below the piston is exposed to high pressure The resulting pressure differential across the piston moves the piston seat assembly up to...
Страница 7: ...n A Pilot Valve Piston Upper Port Lower Port Plate Compressor Discharge Condenser B Summer Condenser A Summer Winter B C D E G H F Figure 7 Seat Disc Optional 1 2 Conduit Boss 1 64 42 mm INSTALLATION...
Страница 8: ...y I valve spring W and seat as sem bly 6 Slide the piston T up and out of the valve body bore 7 Inspect the piston T and seat assembly for dam age Re place all tetraseals or gaskets E O if valve has b...
Страница 9: ...e In normal operation of the valve these pressures tend to establish a point of equilibrium to maintain a constant superheat at the outlet of the evaporator However when an abnormal pressure is introd...
Страница 10: ...ly slightly higher 65 F 18 C or more to maintain a higher liquid line pressure and to ensure satisfac tory Solenoid Pilot Control operation Commercial or Low Temperature Refrigeration Applications Thi...
Страница 11: ...ause the seating discs operate on the same shaft Therefore an adequately sized Catch All should be installed ahead of the thermostatic expansion valve for complete protection The Type 180 Solenoid Pil...
Страница 12: ...cal codes 4 If a service valve is installed ahead of a solenoid valve it should be closed during service procedures Do not use a solenoid valve as a safety shutoff while making repairs to the system B...
Страница 13: ...ot Valve Assembly S 16D 12 03 and after KS 16DP A KS S16DP A 16D SC KS 16DP SC S 16D SC 12 03 and after KS 16DP SC A KS S16DP SC Hot Gas Defrost Valves 10G79B KS 10G 1 Enclosing Tube Gasket 2 Pilot As...
Страница 14: ...Lower Body Locknut Body Flange Cap Screw Coil Screw S8D S8D HP 8D 8D SC 8D HP S8D SC 10 15 60 65 25 2 3 S12D S12D HP 12D 12D SC S12D SC 10 15 60 65 15 18 2 3 16D 16D SC 30 35 20 24 2 3 S16D S16D SC 16...
Страница 15: ...cuments Seller deems necessary to perfect its security interest 11 Improper Use and Indemnity Buyer shall indemnify defend and hold Seller harmless from any losses claims liabilities damages lawsuits...
Страница 16: ...Bulletin 30 21 52016 2016 Parker Hannifin Corporation Parker Hannifin Corporation Sporlan Division 206 Lange Drive Washington MO 63090 USA phone 636 239 1111 fax 636 239 9130 www sporlan com...
