Sporlan 10G711B Installation And Servicing Instructions Download | Manualshive

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April 2007 /

BULLETIN 30-21

Installation and Servicing Instructions

3-Way Valves

CONTENTS

B5D, 8D, 12D & 16D 3-Way Heat Reclaim Valves . . . . . . . . . . . . . 2

8D-SC, 12D-SC & 16D-SC 3-Way Split Condenser Valves . . . . . . 5

10G79B, 10G711B & 10G711C 3-Way Hot Gas Defrost Valves . . . 6

180 Solenoid Pilot Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

General Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Replacement Parts Kits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

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Summary of Contents for 10G711B

Page 1: ...tructions 3 Way Valves CONTENTS B5D 8D 12D 16D 3 Way Heat Reclaim Valves 2 8D SC 12D SC 16D SC 3 Way Split Condenser Valves 5 10G79B 10G711B 10G711C 3 Way Hot Gas Defrost Valves 6 180 Solenoid Pilot Control 8 General Information 11 Replacement Parts Kits 12 ...

Page 2: ... there is no high to low side bleed and resulting ca pac i ty loss with the system in the reclaim mode Valves using the MKC 1 coil may be used on fluids or gases where the temperature does not exceed 240 F while the valve ambient is 120 F The coil is Underwriters Laboratory Class F rated TYPES B5D 8D 12D 16D 3 WAY HEAT RECLAIM VALVES Bulletin 30 21 April 2007 supersedes Bulletin 30 21 June 2001 an...

Page 3: ...ay coil is en er gized This al lows the heat ing to control the 3 Way Heat Re claim Valve op er a tion When the pump down control is de energized the normally closed con tact is closed This by pass es the heat ing to en er gize the coil and shut off the valve s bleed to suction B ts ts Reclaim Condenser Suction Normal Condenser Discharge Relay Closed Open Line Heating Thermostat Transformer Option...

Page 4: ...e 4 This check valve required if lowest operating ambient temperature is lower than evaporator temperature Restrictor 2449 004 may be required to control pump out rate on inactive condenser Pilot suction line must be open to common suction whether or not Heat Reclaim Coil is installed at time of installation and regardless of Heat Reclaim Valve model type Proper support of heat reclaim valves is e...

Page 5: ...ntial across the piston moves the piston seat assembly up to close the upper Condenser B port We use a solid piston ring on the piston thereby elimi nating high to low side bleed around the piston When the upper pilot port opens Condenser B is pumped out through a small bleed hole in the piston When Condenser B has been pumped out and reduced to suction pressure all flow ceases thus eliminating hi...

Page 6: ...2 1 8 8 18 9 53 5 47 5 47 3 50 5 44 1 25 Suction 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 TYPES 10G79B 10G711B 10G711C 3 WAY HOT GAS DEFROST VALVES D 4 95 4 95 2 89 1 56 Coil Removal B C B A 10 62 3 44 7 8 3 95 1 04 10G711C A Figure 6 shows a piping schematic to...

Page 7: ...o the body from the top Push down on the pushrod q to re align if nec es sary 2 Install the bottom locknut R and tighten with a pipe wrench or torque wrench to 50 60 foot pounds torque This must be leak tight Do not over tight en 3 From the top of the body assembly Q install 10G79B 10G711B piston T in body bore compress the pis ton ring and slide the piston T all the way into the bore 10G711C seat...

Page 8: ...ssures tend to establish a point of equilibrium to maintain a constant superheat at the outlet of the evaporator However when an abnormal pressure is introduced which upsets the equilibrium another effect may be accomplished The principle upon which the 180 Solenoid Pilot Control influences the expansion valve action is by the creation of a pressure under the valve diaphragm which is higher than t...

Page 9: ...and sen sor bulb be installed within the refrigerated space so the bulb tem perature will be the same as the evaporator during the off cycle Not only will this prevent compressor flood back on start up but it will help insure a liquid line pressure higher than the bulb pressure to keep the expansion valve closed tight during the off cycle Comfort Cooling Application Intermittent Operation In certa...

Page 10: ...ll a pressure gauge by means of a T fitting in the external equalizer connection to the thermostatic expansion valve as shown in Figure 12 By successively opening and closing the circuit to the Pilot Control only with the refrigeration system and circulating fans or pumps in operation variations approximating condensing pres sure and suction pressure should be observed on this gauge A If pressure ...

Page 11: ...cal specifica tions of the coil to be sure that they correspond to the available electrical service See page 3 for typical wiring schematics for single compressor systems The 1 2 BX conduit connection of junction box on the coil of Heat Reclaim Valves may be ro tat ed to any po si tion by loos en ing the coil screw Valves with four wire dual volt age coil have a wiring di a gram decal see diagram ...

Page 12: ...Valve Assembly 16D 12 03 and after KS 16DP A 16D SC KS 16DP SC 16D SC 12 03 and after KS 16DP SC A Hot Gas Defrost Valves 10G79B KS 10G 1 Enclosing Tube Gasket 2 Pilot Assembly Gaskets 1 Plunger Assembly 1 Pushrod 1 Seat Assembly 1 Piston Assembly 1 Valve Spring 10G711A B C 10G713 Pilot Assembly 2 Pilot Assembly Gaskets 1 Pilot Valve Assembly 1 Coil Housing Screw 1 Bottom Plate 10G B KS 10GP B 10G...

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