Installation Planning
Locating the Sun Tie XR
The Sun Tie XR should be installed in locations that meet the following requirements:
Vertical | The UL listing for the Sun Tie XR requires it |
| to be mounted vertically. |
Dry | When the Sun Tie is mounted outdoors, attach |
| the optional Rain Shield (STRS) to prevent |
| water entering the unit. |
Temperature | The unit meets specifications from 32 to |
| 113 °F (0 to 45 °C) but will operate within the |
| temperature extremes of most |
| |
| temperatures the LCD display may not |
| function normally and it is recommended that |
| an |
| At temperatures above 45 °C, the unit begins |
| derating power. See “Temperature Derating |
| Curve” on page |
Ground clearance | The Sun Tie requires at least 36 inches (100 |
| cm) of clearance between the bottom of the |
| unit and the ground. |
Dust free | Dust can be drawn inside and accumulate |
| within the unit, interfering with wiring |
| connections and ventilation. |
WARNING: SHOCK HAZARD
Do not install the Sun Tie XR unit outdoors without the Rain Shield. Water entering the unit could cause a dangerous condition and cause the unit to fail. Failure due to improper installation will void the warranty.
Routing the wires
Typical | Determine all wire routes to and from the Sun Tie XR. Typical routing | |
configurations | configurations include: | |
| • AC wiring from the Sun Tie XR to the main service panel | |
| • | DC input wiring from the PV array to the Sun Tie XR |
| • | DC ground from the PV array to an external ground rod |