ETS 8M Electric Expansion Valve
Installation Guide
| Refrigerants R410A, R32, R407C, R290, R454B, R452B, R454C, R513A, R449B, R404A, R448A, R449A, R515B, R452A, R134a, R1234ze | Refrigerant temperature (JB/T 10212-2016) (JB/T 10212-2016) tMn,.: -30 °C / -22 °F, t ma, : 70 °C /158 °F | Max. working pressure. PS / MWP: 4.9 MPa / 49 barg / 710 psig |  | |
| Allowable ambient temperature (JB/T 10212- 2016) (JB/T 10212- 2016) -30 *C / -22 °F – 70 °C /158 °F | Stepper motor type Unipolar | Nominal voltage 12 V DC | Phase current 261 mA | Resistance 460 |
Warning!
Do not connect directly to AC / DC power source. Connect valve to appropriate controller/driver only.
Do not operate the valve while assembling or disassembling.
Mounting Angle
| Brazing option 1 | Brazing option 2 |
 |  |
Assembling
Electrical Connection
Electrical Connection
Table:1 Stepper motor open and close sequence
| Cable Color | Excitation Sequence →valve Opening ⇐Valve Closing | |||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
| Orange | ON | ON | OFF | OFF | OFF | OFF | OFF | ON |
| Red | OFF | ON | ON | ON | OFF | OFF | OFF | OFF |
| Yellow | OFF | OFF | OFF | ON | ON | ON | OFF | OFF |
| Black | OFF | OFF | OFF | OFF | OFF | ON | ON | ON |
| Grey | ON | ON | ON | ON | ON | ON | ON | ON |
034R9900
AN392543536257en-000104
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