| Model Code | Description | |
|---|---|---|
| 01 | 711.651, 711.653, 711.654, 711.655, 711.656, 711.660, 711.670, 716.637 | SV CENTRAL RELEASE UNIT |
| 04 | 711.680, 711.683, 711.685 | SV CENTRAL RELEASE UNIT |
| 05 | 711.661, 711.670 | SV CENTRAL RELEASE UNIT |
| 06 | 711.653, 711.670 | SV CENTRAL RELEASE UNIT |
| 07 | 711.653 | SV CENTRAL RELEASE UNIT |