Auto Zero Enable; Inject Delay Time; Door Delay Time; Air Inject Time - NuAire NU-5510 Operation And Maintenance Manual

7 - Password Protection
This function allows users to disable/enable password to prevent unauthorized
change of set point, using the UP, DOWN and SELECT keys combination.
Password requires three digits. If password option is enable, whenever 'SET UP'
key is pressed, password will be required. Every time password option is disabled
and re-enable, old password is cleared and new password will be required. The
heated Decon Cycles are also protected by the password. When activated the
password will be requested when the decon key is pressed.
To set password:

Press hidden key to enter option menu.

Press ▲ to advance to "opt".

Press [SEL] to advance to "Pass".

Press ▲ to enable option, "ON".

Press hidden key twice to exit option menu.

Enter your password.
When front panel message displays "Ent-Pas".

Re-enter your password, when front panel message displays
'Pas-rEq'.

Press mode key to SETUP, then back to run.

8. Auto Zero Enable

This function turns the CO
Default on.
9 - CO

Inject Delay Time

2
This value specifies the time, in seconds, for an injection
of CO to be measurable at the sensor. When CO
2
into the chamber, the system delays until this period has
elapsed before making a new control decision. In this manner,
diffusion induced delays do not cause the CO
overshoot the control set point.

10 - Door Delay Time

This value determines the time, in seconds, to turn on the
door heater to a 100 percent duty cycle after an inner glass door
opening. Also inhibits CO

11 - Air Inject Time

This value specifies the time, in seconds, for an injection of air
into the chamber.
OM0135
automatic zeroing routine on and off.
2
is injected
2
system to
2
control for the same period.
2
31