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Table of Contents
Related Manuals for Parker SPORLAN ADRHE-6
Summary of Contents for Parker SPORLAN ADRHE-6
- Page 1 March 2011 / BULLETIN 90-40 Discharge Bypass Valves for System Capacity Control...
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Page 2: Table Of Contents
The user must analyze all aspects of the application, follow applicable industry standards, and follow the information concerning the product in the current product catalog and in any other materials provided from Parker or its sub- sidiaries or authorized distributors. -
Page 3: System Capacity Control
BULLETIN 90-40 / Page 1 -40°F to prevent a further decrease in suction pres- SYSTEM CAPACITY CONTROL sure. Valve settings are discussed completely later in this bulletin. On many air conditioning and refrigeration systems it is desirable to limit the minimum evaporating pres- The discharge bypass valve is applied in a branch line, sure during periods of low load either to prevent coil off the discharge line, as close to the compressor as... - Page 4 Page 2 / BULLETIN 90-40 Some caution is necessary with either of these meth- to the evaporator inlet without a distributor. ods. If the distributor circuits are sized properly for normal cooling duty, the flow of hot gas through the On many applications, it BYPASS TO SUCTION LINE circuits may cause excessive pressure drop and/or...
- Page 5 BULLETIN 90-40 / Page 3 gas at or below 65°F. For applications requiring suc- (Figures 1 and 3), require externally equalized valves, tion gas temperatures appreciably below 65°F, contact this model will be the most readily available one in the Sporlan Valve Company or the compressor manufac- field.
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Page 6: Operation
Page 4 / BULLETIN 90-40 experiences a malfunction of the thermostatic expan- Figure 4 sion valve, which is serving to desuperheat the bypassed hot gas; or, if the system is short of refriger- ADRHE-6 ant. The hot gas solenoid valve is wired in series with a bi-metal thermostat fastened to the discharge line Adjusting close to the compressor. -
Page 7: Pilot Operated Valve - Shgb(E)-15
BULLETIN 90-40 / Page 5 pilot valve, the pilot port modulates closed. This Figure 5 Solenoid Coil Energized Valve Modulating allows pressure to build on top of the main piston. As this pressure (P3) approaches the inlet pressure (P2), the force, combined with the force from the spring (P4), pushes the piston down, modulating the valve closed. -
Page 8: Adjustable Remote Bulb Heads On Direct Acting Valves
Page 6 / BULLETIN 90-40 The 0/30 range on the ADRS(E), ADRP(E) and ADRHE load on the system must be decreased to lower the models is intended primarily for refrigeration applica- suction pressure so that the valve can control. The tions, while the 0/80 range is generally required for air valve should then be adjusted to maintain the desired conditioning systems. -
Page 9: Materials And Construction Details/Dimensions
BULLETIN 90-40 / Page 7 required. However prior to 1994, the element was conditions only. However, special adjustment ranges integral and is not replaceable. In this case, the entire will be considered on order. Contact your special valve must be replaced. Sporlan Representative or Sporlan, Washington, Missouri. - Page 10 Page 8 / BULLETIN 90-40 – h t i l i o h t i l i o – – – " 4 / c i t l a t – SHGB(E)-8 valves are listed by Underwriters Laboratories UL and UL (UL Guide Number YIOZ, File Number MH4576) for a maximum working pressure of 450 psig, MOPD = 300 psi, Maximum Fluid Temperature = 240°F, and Maximum Ambient Temperature = 120°F.
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Page 11: Selection Procedure
BULLETIN 90-40 / Page 9 of whether the liquid is fed through the system TEV or the SELECTION PROCEDURES auxiliary desuperheating TEV. The capacities are based The selection of a discharge bypass valve, and the neces- on an evaporator temperature change of 6°F from a closed sary companion devices, is simplified position to the rated opening. -
Page 12: Direct Acting Discharge Bypass Valve Capacities
Page 10 / BULLETIN 90-40 – i t i F ° F ° 0 1 ° i l o n i t q i l c i t a i l i t a c i t – F ° –... -
Page 13: Adjustable "Remote Bulb" Discharge Bypass Valve Capacities
BULLETIN 90-40 / Page 11 R " " B – i t i F ° F ° 0 1 F ° i l o n i t q i l c i t a i l i t a c i t –... -
Page 14: Hot Gas Solenoid Valve Capacities
Page 12 / BULLETIN 90-40 The selection of a the one which keeps the pressure drop as low as pos- HOT GAS SOLENOID VALVES Sporlan Hot Gas Solenoid Valve involves some of the sible while matching the solenoid valve and bypass same basic items already determined for the selection valve connections. - Page 15 BULLETIN 90-40 / Page 13 applicable over the range of evaporating temperatures DESUPERHEATING THERMOSTATIC EXPANSION The proper selection procedure for a Sporlan shown in the table for various refrigerants. VALVES Desuperheating TEV involves some of the same items already determined for the selection of the discharge Capacity Ratings –...
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Page 16: Desuperheating Tev Capacities
Page 14 / BULLETIN 90-40 DISTRIBUTOR WITH AUXILIARY SIDE CONNECTION OR AUXILIARY SIDE CONNECTOR (ASC) – Many times the distributor with an auxiliary side connec- tion (Series 1650R) is selected and installed by the original equipment manufacturer. When it is applied in the field, its selection depends on the system’s main thermostatic expansion valve and the evaporator coil. - Page 17 BULLETIN 90-40 / Page 15 – – F ° & & – – – – – – – – – – – – – F ° These factors include corrections for liquid refrigerant density and net refrigerating effect and are based on an evaporator temperature of 0°F. However, they may be used for any evap- orator temperature from -40°F to 40°F since the variation in the actual factors across this range is insignificant.
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Page 18: Liquid Line Solenoid Valve Capacities
Page 16 / BULLETIN 90-40 " " E " " A " " B – – – – – – – – – – – – – – – – – – – – – – – – – – –... -
Page 19: Terms Of Sale With Warranty Limitations
OFFER OF SALE The items described in this document and other documents and descriptions provided by Parker Hannifin Corporation, its subsidiaries and its authorized distributors (“Seller”) are hereby offered for sale at prices to be established by Seller. This offer and its acceptance by any customer (“Buyer”) shall be governed by all of the fol- lowing Terms and Conditions. - Page 20 © 2011 Parker Hannifin Corporation 32011 / Bulletin 90-40 Parker Hannifin Corporation Sporlan Division 206 Lange Drive • Washington, MO 63090 USA phone 636 239 1111 • fax 636 239 9130 www.sporlan.com...
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