Emerson XEV22D Especificações

026-1206 Rev 3 13-DEC-2012 XEV22D Driver for StepperElectronic Expansion Valves Installationand Operation Manual

4 • XEV22D I&O Manual 026-1206 Rev 3 13-DEC-20125 Mounting and PoweringThe XEV22D is usually mounted by the Refriger-ation equipment manufacturer.

Powering the XEV22D Mounting and Powering • 55.2.2. XEV22D Power WiringThe XEV22D can be powered by one of the 50VA non-center-tapped transformers lis

6 • XEV22D I&O Manual 026-1206 Rev 3 13-DEC-20126 Valve Connections and ConfigurationIf you can locate your valve in the table, select the valve t

Powering the XEV22D Valve Connections and Configuration • 7It is highly recommended that the maximum dis-tance of the stepper valve harness length bet

8 • XEV22D I&O Manual 026-1206 Rev 3 13-DEC-20126. Note the mA terminal on the meter. It should be la-beled 400 mA or 300 mA.7. Power up the XEV22

Keys and Functions Front Panel • 98 Front Panel8.1. Keys and FunctionsTable 8-1 shows the keys found on the front panel of the XEV22D and their corres

10 • XEV22D I&O Manual 026-1206 Rev 3 13-DEC-20129 User Interface9.1. To See the Read-Only Values1. Press and release the UP arrow key.2. The firs

How to Assign a MODBUS Address User Interface • 119.7. How to Assign a MODBUS Address1. To enter the programming mode, press and hold the SET and DOWN

12 • XEV22D I&O Manual 026-1206 Rev 3 13-DEC-201210 Parameters NOTE: All pressure parameters are relatives or absolutes depending on the PrM para

How to Assign a MODBUS Address Parameters • 13Ust Maximum number of steps (LSt to 800*10)Selects the maximum number of steps. At this number of steps,

14 • XEV22D I&O Manual 026-1206 Rev 3 13-DEC-2012rS Band offset(-12.0 to 12.0°C / -21to21°F)PI band offset. It moves the pro-portional band of the

How to Assign a MODBUS Address Parameters • 15tdA Type of alarm signaled by relay (ALL, SH, PrE, di)ALL = all alarm; SH = superheat alarm; PrE = press

16 • XEV22D I&O Manual 026-1206 Rev 3 13-DEC-2012PrM Pressure visualization mode (rEL to AbS)rEL = relative pressure; AbS = absolute pressureAll p

Probes Digital Inputs • 1711 Digital InputsThe XEV22D comes with two (2) digital inputs: a voltage-free input and a high voltage input; both can be co

18 • XEV22D I&O Manual 026-1206 Rev 3 13-DEC-201215 How to Use the Hot Key15.1.How to Program a Hot Key From the Controller (Upload)1. Program one

Alarm Recovery Display Messages • 1916 Display Messages16.1.Alarm RecoveryProbe alarms P1 and P2 start a few seconds after the fault in the probe; the

20 • XEV22D I&O Manual 026-1206 Rev 3 13-DEC-201217 Specifications Housing Self extinguishing ABSDimensions Case:Front: 4 DIN modules, 70 mm x 13

Alarm Recovery E2 MODBUS Network Wiring • 2118 E2 MODBUS Network Wiring• Connect MODBUS Network to the RS485 Connector on the E2 PIB board (Belden 864

22 • XEV22D I&O Manual 026-1206 Rev 3 13-DEC-201219 ECT MODBUS Networking to E2s19.1.COM Port Associations - E2 Versions 3.xx and BelowConnecting

COM Port Associations - E2 Versions 4.2 and Above ECT MODBUS Networking to E2s • 2319.2.COM Port Associations - E2 Versions 4.2 and AboveAn E2 has thr

Emerson Climate Technologies Retail Solutions1065 Big Shanty Road NW, Suite 100Kennesaw, GA 30144, USAPhone: 770-425-2724Fax: 770-425-9319

24 • XEV22D I&O Manual 026-1206 Rev 3 13-DEC-2012and Controllers.3. In the Num Network Ctrls: NetSetup screen, under the ECT tab, enter the number

Wiring Types ECT MODBUS Networking to E2s • 25firmware on it.19.4.Wiring TypesRetail Solutions specifies Belden #8761 shielded twisted pair cables for

26 • XEV22D I&O Manual 026-1206 Rev 3 13-DEC-201220 Standard ValuesNOTE: For viewing and adjusting setpoints, refer to: Section 9.2., To See the S

MODBUS Termination Blocks Standard Values • 27i1P Free of voltage digital input polarity CL – OP CL Pr2d1d Digital input 1 (free of voltage) activatio

The contents of this publication are presented for informational purposes only and they are not to be construed as warranties or guarantees, express o

Table of Contents • vTable of Contents1 INTRODUCTION...

vi • XEV22D I&O Manual 026-1206 Rev 3 13-DEC-201217 SPECIFICATIONS ...

General Warning Introduction • 11 Introduction1.1. General WarningPlease read the following safety precautions and warnings before using this manual:2

2 • XEV22D I&O Manual 026-1206 Rev 3 13-DEC-20123 Wiring ConnectionsThe superheat regulation is performed only when the cooling digital input is e

Ordering Code Wiring Guidelines • 34 Wiring GuidelinesDEVICE TYPE RETAIL SOLUTIONSANALOG TEMP SENSORDIGITAL INPUTBELDEN #8761 #22-2 SHIELDEDRetail Sol