Aerco Electronic Control Valve Manual do Utilizador

Printed in U.S.A. REVISED 4/18/07 Instruction No. AERCO INTERNATIONAL, Inc.

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 2-2 10. The gauge on the high pressure side of the Valve is for adjustment and maintenance pu

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 2-3 Figure 2-1. Recommended Control Valve, CXT-E Installation For Steam Flow (PIPING

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 3-1 3 - ADJUSTMENT INTRODUCTION Place the AERCO Heater (or other equipment being controlled)

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 3-2 090neptronic1 2 31234 5123DIP SWITCHES (3)(ALL IN UP POSITION)AUTO-STROKE (RESET) BU

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 4-1 4 - OPERATION This Section provides the basic checks and initial startup for the CXT-E

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 5-1 5 - FUNCTIONAL DESCRIPTION INTRODUCTION The AERCO Electronic Control Valves, Type CXT-E a

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 6-1 6 - ROUTINE MAINTENANCE INTRODUCTION The following paragraphs provide the AERCO recommen

Telephone Support Direct to AERCO Technical Support (8 to 5 pm EST, Monday through Friday) (800) 526-0288 AERCO Int

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 7-1 7 - TROUBLESHOOTING INTRODUCTION This Section provides the troubleshooting procedures nec

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 7-2 TABLE 7-1. TROUBLESHOOTING – CONTROL VALVE CXT-E NO. FAULT INDICATION PROBABLE CAUSE C

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 7-3 TABLE 7-1. TROUBLESHOOTING – CONTROL VALVE CXT-E (Continued) NO. FAULT INDICATION PROBA

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 8-1 8 - CORRECTIVE MAINTENANCE INTRODUCTION This Section provides corrective maintenance for

8-2 CM8. Next, completely remove the Hex Nuts (17) from the Valve Shaft (16). CM9. Remove the Packing Nut (18) and the Packing Assembly (20) from

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 8-3 CM20. Grasp the Lower Shaft (16) and carefully lift out the ENTIRE Shaft/Seat/Piston As

8-4 CM27. Inspect the Valve Seat (7). If it is worn so that it will not seat properly with the Seat Cage (2), with the Valve Stem (12), it must be r

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 8-5 CM34. Holding the Lower Shaft (16), carefully replace the entire Shaft/Seat/Piston asse

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E i TABLE OF CONTENTS SECTION PAGE SAFETY PRECAUTIONS iii 1 - GENERAL INFORMATION 1-1 2 - I

8-6 Figure 8-1. Valve Assemblies, Type CXT-E (Sizes 1.00” To 2.00”)

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 8-7 PARTS LIST TABLE FOR VALVE ASSEMBLIES, TYPE CXT-E ( SIZES 1.00” TO 2.00”) VALVE SIZ

8-8 01716181920212629232224213546789101411121327302831ACTUATORLINKAGESHAFT PINLINKAGE ADAPTERINDICATOR PLATE15OR Figure 8-2. Valve Assemblies, Type

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 8-9 PARTS LIST TABLE FOR VALVE ASSEMBLIES, TYPE CXT-E ( SIZES 2.50” TO 4.00”) VALVE SIZE

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 8-10 B9-1/2 DCWELDWELDWELD ON INSIDEONLYALL DIMENSIONS SHOWN ARE IN INCHESHANDLE – 1 /2"

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 8-11 ITEM QTY PART DESCRIPTION PART NUMBER 1 1 LINKAGE ASSEMBLY 24038-1 (1” TO 3”

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 8-12 ACTUATOR REPLACEMENT There are no repairable parts contained in the Actuator. Therefor

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 8-13 090neptronic1 2 3COVERSET SCREWCLUTCHDIAL &POINTERCENTERSLOTCOVERCABLECONNECTORLINKA

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 8-14 Figure 8-6. Linkage Assemblies If necessary, the Linkage Assembly is removed and re

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 8-15 CM62. Remove the two Cap Screws (19) securing the Linkage Assembly (26) to the Valve T

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E ii LIST OF ILLUSTRATIONS FIGURE TITLE PAGE 1-1 Reference Dimensions for AERCO Control Valv

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 9-1 9 – RECOMMENDED SPARE PARTS CXT-E CONTROL VALVE RECOMMENDED SPARE PARTS AERCO recommends t

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E iii SAFETY PRECAUTIONS Installing or operating personnel must, at all times, observe al

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 1-1 1 - GENERAL INFORMATION INTRODUCTION This Instruction Manual provides installation, adju

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 1-2 Figure 1-1. Reference Dimensions for AERCO Electronic Control Valves, Type CXT-E

VA-115 INSTRUCTIONS – ELECTRONIC CONTROL VALVE, CXT-E 2-1 2 - INSTALLATION INTRODUCTION The installation procedures contained in this section app