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Operation and Maintenance Manual
– SCD Smoke Dampers
Version 1
Date 04 2018
Page 49 of 81
Rys. 31. PLZ ventilation box.
Technical Data:
•
Maximum operating pressure 10 bar,
•
Operating temperature range -200C to +600C,
•
Ø6/4 pipe connection
Types of PZL boxes:
For ventilation only:
•
PLZ 10.0.1: 1 ventilation section with a lever externally accessible and a pressure
regulator with a filter; dimensions: 300 x 200 x 80 mm
•
PLZ 10.0.2: 2 ventilation sections with two levers externally accessible and a
pressure regulator with a filter; dimensions: 300 x 270 x 100 mm
For
A mode (“open only”) + ventilation:
•
PLZ 20.1.1: 1 section for
A mode (“open only”), 1 ventilation section with a lever
externally accessible and a pressure regulator with a filter; dimensions:
300 x 200 x 80 mm
•
PLZ 20.1.2: 1 section for
A mode (“open only”), 2 ventilation sections with two
levers externally accessible and a pressure regulator with a filter; dimensions:
300 x 270 x 100 mm
For AZ mode (“open-close”) + ventilation:
•
PLZ 30.1.1: 1 section for AZ mode (“open-close”), 1 ventilation section with a lever
externally accessible and a pressure regulator with a filter; dimensions:
300 x 200 x 80 mm
•
PLZ 30.1.2: 1 section for AZ mode (“open-close”), 2 ventilation sections with two
levers externally accessible and a pressure regulator with a filter; dimensions:
300 x 270 x 100 mm
•
PLZ 30.2.2: 2 sections for AZ mode (“open-close”), 2 ventilation sections with two
levers externally accessible and a pressure regulator with a filter; dimensions:
300 x 270 x 100 mm
In designations of PZL boxes with a ventilation lever that is not accessible from the
outer side, “1” is a second digit (PZL 11.x.x, PZL 21.x.x, PZL 31.x.x).
Other versions, including remote control (electric or pneumatic), are available on
individual request.