Emergency ventilation system (evs), Doors and access panels, 9 emergency ventilation system (evs) – Alpha Technologies Te45 User Manual
Page 17: 10 doors and access panels

Alpha Technologies Ltd.
057-106-C0 Rev D
Burnaby, British Columbia. Telephone: 604 436 5900 Fax: 604 436 1233.
Page 8 of 38
2.9 Emergency ventilation system (EVS)
The EVS unit provides ambient cooling when the inside temperature exceeds a predetermined temperature setting
on the EVS control thermostat.
The EVS is a DC system that operates when any one or more of the following conditions is present:
AC power failure. The air conditioner shuts down.
Air conditioner compressor failure.
Extreme ambient temperatures above 45°C.
2.10 Doors and access panels
The hinged front door is held closed by a 3 position latching system with a pad lockable handle.
The front door
can be secured
at the handle
via a padlock
Figure 9
– Locking front door
Door mounted
EVS thermostat