1.1 Control Panel Keys, Displays and Indicators
1
. Silence - Silences the audible alarm.
2
. Alarm Indicator - Light pulses on/off during an alarm
condition in the cabinet.
3
. Mode Select Switch - Used to select Run, Setpoints,
Calibration and System Configuration Modes.
4
. Message Center - Displays system status.
5
. Mode Select Indicators -
• Run: Run Menu
• Set: Set Points Menu
• Cal: Calibrate Menu
• Config:: Configuration Menu
6
. Up and Down Arrows - Increases or decreases the num-
ber values, toggles between choices.
7
. Enter - Stores the value into computer memory.
8
. Heat Indicator - Lights when power is applied to the
heaters.
9
. Temp Display – Displays temperature continuously
10
. Scroll for Parameters Arrows - Moves the operator
through the choices of the selected mode.
11
. CO
2
Inject Indicator - Lights when CO
2
is being injected
into the incubator.
12
. % CO
2
Display - Displays CO
2
percentage continuously.
Model 3950/3951 ____________________________________________________________________Installation and Start-Up
1 - 2
1.2 Operation of the Keypad
The Model 3950 Series Reach-In Incubator has
four basic modes that allow incubator setup: Run,
Setpoints, Calibration and System Configuration.
• Run is the default mode during normal operation.
• Set is used to enter system setpoints.
• Calibration is used to calibrate various system parameters.
• Configuration allows for custom setup of various options.
The chart below shows the selections under each of the
modes.
Scroll for Parameters Arrows:
Steps the
operator through the parameters of SET, CAL
and CONFIG Modes. The right arrow goes to
the next parameter, the left arrow returns to
the previous parameter.
Up Arrow:
Increases or toggles the parameter val-
ues that have been selected in the SET, CAL, and
CONFIG Modes.
Enter:
Must press Enter key to save to memory all
changed values.
Down Arrow:
Decreases or toggles the parameter
values that have been selected in the SET, CAL and
CONFIG Modes.
Silence Key:
Press to silence the audible alarm.
See Section 4 for alarm ringback times.
Figure 1-4
RUN
SETPOINT
CALIBRATION
CONFIGURATION
Default Mode
Temperature
Temp Offset
Audible
Overtemp
CO
2
Cal
Access Code
CO
2
Temp Lo Alarm
Temp Relay
CO
2
Lo Alarm
CO
2
Hi Alarm
CO
2
Relay
CO
2
Z & S #’s
RH High On/Off
H
2
O Alarm On/Off
Tank Select
Gas Guard
RS485 Address
Basic Unit Displays
Option Displays