5 Maintenance; Open And Close The Door; Open Door; Close Door - Delta M70A-262 Operation And Installation Manual

5 Maintenance
Please check the unit regularly. If there are any impaired or loose parts, please contact
your solar installer. Ensure that there are no fallen objects in the path of the heat outlet.
- Prior to beginning any maintenance procedures outside AC breaker and DC switch
off to avoid risk of electrical shock!

5.1 Open and Close the Door

In order to guarantee proper long-term operation of the inverter, the following
procedures must be followed to open and close the door, refer to Figure 5-1.
To fix door by hexagon driver per Figure 5-2.

5.1.1 Open Door

• Do not attempt to open the door under raining condition.
• Switch DC and AC power off and wait until LED display turns off.
• Remove the three screws on the antenna bracket.
• Turn the antenna and bracket counterclockwise by about 45 degrees.
• Take out the hexagonal wrench on the latch lock cover.
• Loosen 1 screw on the latch lock cover and open its.
• Use care not to contaminate the door's gasket and mating surfaces.
After opening the door, do not leave the door opened for long periods
of time.

5.1.2 Close Door

Before closing the door:
1. Ensure mating surfaces and gasket are clean.
2. The gasket is properly located and aligned in its mounting slot.
When closing the door:
1. Install in reverse order according to 5.1.1 and lock on the latch locks.
2. Fully tighten the door screws to 2.45 N•m of torque.
WARNING !
55
Maintenance