Unit Description; Overall View - Thermo Scientific Safe 2020 Operating Instructions Manual

Operating Instructions Safety Cabinet Safe 2020 / Maxisafe 2020
4.

Unit description

4.1

Overall view

Model Safe 2020:
• Fig. 3a: Plenum assembly [5] with plenum for downflow blower [24] and
plenum for exhaust air blower [2]. The downflow filter and the exhaust air filter
are installed directly to the relevant blower. The exhaust air is released into
the environment around the device through the opening [1].
• At the side of the plenum, the optional media supply lines [25] are routed into
the sample chamber [20].
• Electrical box [4] with power supply cable [3]. An RS 232 connection to a PC
and two fuse holders are installed at the front of the electrical box.
• Front cover [6] with integral, electrically movable front window [7], operated by:
• the pilot switch [26].
The gas struts [22] secure the front cover in the open state.
• The light dome [23] with two tubes is part of the front cover assy.
• Side panels [9] with two sealed access openings [19]. These can be
equipped with media valves [13].
• Internal outlets [10] for power supply of accessories and adapter [11] for mobile
UV device.
• Optional UV lamp unit [8] consisting of two UV lamps per side.
• Optional stands [12], adjustable in height and with fixed height
• Workplate segments [15] with optional arm rests [16]. A one-piece workplate
and special workplates are available options.
• Lockable drain valve [17] for installation into floorpan.
• Display [21] with alarm system indicators.
• Test hoses for the supply unit [18] at the left side of the sample chamber and
for the exhaust unit [14] at the right side of the sample chamber.
14
NOTE – Test hoses
Do not remove the two test hoses for checking
downflow and exhaust air.