Honeywell RP920A-D Скачать руководство пользователя страница 2

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TABLE OF CONTENTS (Continued)

Direct to Reverse

Acting

Negative to Positive Compensation (RP920B and D)

Integral Action Cut-Off and Gage Function (RP92OC and D)

Setpoint Adjustment

Local Setpoint Adjustment

Remote Setpoint Adjustment

Control Point Adjustment (CPA Models Only)

Proportional Band Adjustment

Authority Adjustment (RP920B and D)

Compensation Startpoint Adjustment (RP920B and D)

Reset Time Adjustment (RP920C and D)

Cover

TROUBLESHOOTING

REPAIR... . . . . . . . . . . .

Module Replacement

Setpoint Knob Replacement

Filter/O-Ring Replacement in Connector Block Module

Gage Seal Replacement

PARTS AND ACCESSORIES

Parts List

Accessories

APPENDIX A

850142

Содержание RP920A-D

Страница 1: ...spection and Cleaning Compensation Startpoint RP920B and D 5 Operational Check 5 All Systems 5 System in Operation 5 System not Operating Sensors Disconnected 5 Equipment 5 Pr0xdLu e 5 Calibration Check 6 Operating Point RP920A and B 6 Operating Point as Maximum Limit RP920C and D 6 S etpoint 6 Calibration RP920A 7 RP920B 7 RP920C and D 9 Adjustments 9 General 9 85 0142 Copyright 1993 Honeywell In...

Страница 2: ...ol Point Adjustment CPA Models Only n f s 13 Proportional Band Adjustment 13 Authority Adjustment RP920B and D 1 13 Compensation Startpoint Adjustment RP920B and D 13 Reset Time Adjustment RP920C and D f 13 Cover 13 TROUBLESHOOTING 14 REPAIR 14 Module Replacement 14 Setpoint Knob Replacement 14 Filter O Ring Replacement in Connector Block Module 15 Gage Seal Replacement X 15 PARTS AND ACCESSORIES ...

Страница 3: ...PRIMARY M CPA 1 2 4 r CPA MODELS ONLY PRIMARY SENSOR IN HWS 4 8 9 OR C 2 3 1 DA r l LINE STEAM TO CONVERTER SUPPLY HOT WATER CONVERTER CONTROL SYSTEM Fig 1 Typical Single Input Controller Applications In a dual input control application Fig 2 the RP920B or D provides reset capability Often control of a building is more efficient if the setpoint of the controller is reset to a different value as a ...

Страница 4: ...tling range of the limit controller the dampers are gradually returned to the minimum position as set on the minimum position switch When the fan is off the dampers assume the normal positions In the hot water converter control system Fig l the primary sensor in the hot water supply from the converter modulates the steam valve on the steam supply to the converter to maintain the hot water temperat...

Страница 5: ...justment X X X X Proportional Band X X X X Internal restrictor switch X I Xl X I X Direct reverse acting proportional module position X X X X PROCEDURE 1 Connect the 0 t o 30 psi gage to Port 2 branch 2 Connect the main air supply to Port 1 18 psi minimum kPa adjustable air 3 supply with a receiver gage which matches the I I I 3 Pipe a 3 to 15 psi 21 to 10 Authority primary sensor to Port 3 X 4 3 ...

Страница 6: ...setting without changing the BLP Return to Step 9 11 Connect the tubing and make settings according to the job drawings NOTE On the RP920C and D replace fitting in the integral module with the seal screw Be sure the O ring is sealed EXAMPLE The hot water temperature is reset from 100 to 200F as the outdoor temperature goes from 60 to l0F The range of the primary sensor is 40 to 240F and the compen...

Страница 7: ...7 Install Barb Fitting 14003755 001 in Port 8 and in the top of the integral module Connect the mainline to the integral module This procedure requires 20 psi 138 kPa minimum MLP_ 2 Adjust the setpoint to 50 percent On the RP920D adjust the compensation module to negative compen sation and set the compensation startpoint to 30 per cent 3 Adjust the proportional module to direct acting and set the ...

Страница 8: ...nt and primary sensor gage do not match remove the setpoint knob and replace it so the setpoint matches the actual primary sensor gage reading 6 Readjust the setpoint to the desired setpoint 7 Calibration is complete RP920B Supply the adjustable restricted air equivalent to Controller Calibration Kit MQP816A to Port 3 primary sensor NOTE Sensors are not connected Pipe a receiver gage matching the ...

Страница 9: ...pressure of the controlled device with full compensation conditions NOTE This point can be slightly different from the calculated authority set on the control ler Leave the new setting on the controlIer and mark the job drawings with the new value 12 Calibration is complete RP920C AND D 1 Remove and save the screw from the RP92OC or D integral module Fig 12 and install Barb Fitting 14003755 001 in...

Страница 10: ...DULE PROPORTIONAL PROPORTIONAL MODULE MODULE I MAIN I MAIN 2 BRANCH J PRIMARY 3 P R I M A R Y SENSOR SENSOR VENT VENT SENSOR SENSOR C L O S E D C L O S E D SWITCH SWITCH BLOCK BLOCK MODULE COMPENSATION SENSOR OR BRANCH GAGE G BRANCHGAGE PORT NTEGRAL MODULE COMPENSATION ION PROPORTIONAL MODULE I RP920 Fig 13 Module and Port Locations 10 ...

Страница 11: ...e the module Rotate the module and its gasket 180 degrees and reinstall Ensure that the notch on the module lines up with the proper indication on the base Retighten the four screws If required recalibrate COMPENSATION MODULE CAPTIVE SCREWS 4 NEGATIVE COMP POSITIVE COMP FACTORY SET 7 NOTE LOCATION OF NOTCH Fig 16 Changing from Negative to Positive Compensation lNTEGRAl_ ACTION CUT OFF AND GAGE FUN...

Страница 12: ...The setpoint is controlled from 0 to 100 percent of primary sensor span from a remote 3 to 15 psi 21 to 103 kPa bleed type switch or controller feeding Port 8 Restricted air is supplied to Port 8 by the controller NOTE Remote adjustment can be either Remote Setpoint Adjustment or CPA but not both C Control Point Adjustment CPA models only Thd baseline setpoint on the controller can be adjusted per...

Страница 13: ...cs Compensation sensor span ASP Primary sensor operating range SPs Primary sensor span Throttling range in measured variable use 0 for RP920D If the authority is greater than 300 percent or must be calculated using pressure units see RP920A D Modular Pneumatic Controller Engineering Data 77 6082 NOTE Calibration can cause the actual authority setting to vary from the calculated value Adjust the co...

Страница 14: ...on 11 Air leaks at Port 3 with restriction switch in blocked Tighten restrictor switch screw or replace connector position block module 12 Air leaks at restrictor switch 13 Controller produces unacceptable noise high frequency humming Identify which prv is generating the noise by touching the related adjustment knob or screw until noise changes If source is setpoint or operating point prv replace ...

Страница 15: ...r block module with the knob on restrictor switch positioned between the two stops 7 Secure the connector block module with the four screws SCREWS 4 RES CONNECTOR BLP TEST TAP 19442 3 Fig 19 Connector Block Module Parts Identity GAGE SEAL REPLACEMENT Remove the gage or gage plug Fig 20 from the connector block module or switch block module 2 Insert a wire or paper clip into the hole in the center ...

Страница 16: ...lear Plastic 2 Gage 305965 0 to 30 psi 43188057 010 RP920A 3 Gage Adaptor 315161A with plug in fittings 43188123 010 RP920B C and D 4 Receiver Gage to match primary sensor see 7 Temperature humidity dewpoint and cooler Pneumatic Indication Receiver and Target Gages warmer setpoint scales 14004267 001 Specification Data 77 609 1 8 Static pressure setpoint scales 14004267 002 5 Controller Calibratio...

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