Table A. Spectra Dome Drive and Back Box Compatibility
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| Back Box |
|
|
|
|
|
Dome Drive | Spectra II | Spectra III | Spectra IV |
|
|
|
|
Spectra II® | • |
|
|
Spectra III™ | • | • | • |
|
|
|
|
Spectra IV | • | • | • |
|
|
|
|
7.Install the lower dome:
a.Position the lower dome so that the blower duct inside the back box is between the studs attached to the inside of the lower dome.
b.Install the
c.Test the operation of the unit before pressurizing the dome.
Figure 7. Installing the Lower Dome
8.Pressurize the inside of the dome with nitrogen:
a.Remove the cap from the Schrader valve of the dome. Place the air chuck from the charging kit over the Schrader valve.
NOTE: You may use your own charging equipment or Pelco’s EH8000RKIT recharge kit. If you are using your own equipment, adjust the regulator for an output pressure of 12 psi (83 kPa).
b.Open the tank valve of the charging kit. Fill the dome with nitrogen for a minimum of five minutes to replace the oxygen inside the dome with nitrogen.
c.Remove the air chuck and then replace the Schrader valve cap.
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