5-2
Refrigerated Incubator
VWR Collection
Section 5
Operation
1. Turn power on to unit by placing the Power ON/OFF Switch to I
(ON) position. The Controller (mounted on front of door) will display
S , then, 88.8 (to test display), then actual chamber temperature.
2. After 3 seconds, the alarm LED on the controller should extinguish
and the safety relay should close, applying power to the heater, fan,
compressor relay and convenience outlet.
3. Press and hold MENU key, after 3-5 sec. the display will indicate CAL.
Release and press MENU again to display Pct, press SET, display
should indicate 100. Press and release MENU again to indicate Pro,
press SET, display should indicate 00, press and release MENU to
return to normal control mode. Press SET to display control setpoint,
display should read 25.0. If the control setpoint or any of the other
parameters aren't set correctly, use the up or down arrow keys while
pressing SET to change the setting.
4. The DELAY LED will be lighted for 7 minutes after power is first
applied, the COOL LED will be out during this delay period. When
the DELAY LED goes out, the COOL LED will light and the
compressor relay will close, starting the compressor.
5. Allow unit to stabilize for a minimum of 1 hour at 25°C, to ensure
that all systems are functioning.
Perform the procedure under General Functional Checks if incubator is
new or hasn't been operated for a long time.
Usually the only controller setting that is necessary to change is the
chamber temperature control setpoint. Other parameters of the controller
may be changed by accessing them through the MENU key, covered later.
General Functional
Checks
Operation
Controller
