Thermo 3920 - Table of Contents

Model 3920 _________________________________________________________________________________
iv
Table of Contents
Section 1 - Receiving . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 1
1.1 Preliminary Inspection . . . . . . . . . . . . . . . . . . . . . . .2 - 1
1.2 Visible Loss or Damage . . . . . . . . . . . . . . . . . . . . . .2 - 1
1.3 Responsibility for Shipping Damage . . . . . . . . . . . .2 - 1
Section 2 - Installation and Start-Up . . . . . . . . . . . . . . . .2 - 1
2.1 Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 1
2.2 Attaching the Drain Connections . . . . . . . . . . . . . . . .2 - 1
2.3 RS-232 Output Interface & Remote Alarm Connector 2 - 1
a. Remote Alarm Contacts . . . . . . . . . . . . . . . . . . . .2 - 2
2.4 Power Connection . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 2
2.5 Start-Up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 2
2.6 Setting the Overtemp Safety Thermostat . . . . . . . . .2 - 2
2.7 Setting the Undertemp Safety Thermostat . . . . . . . .2 - 2
2.8 Preparing the (Optional) CoBex Recorder . . . . . . . .2 - 3
a. Installing the Battery . . . . . . . . . . . . . . . . . . . . . . .2 - 3
b. Changing the Chart Paper . . . . . . . . . . . . . . . . . . .2 - 3
c. Changing the Pen . . . . . . . . . . . . . . . . . . . . . . . . .2 - 3
d. Calibrating the Chart Recorder . . . . . . . . . . . . . . .2 - 3
2.9 Offset Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 4
2.10 Honeywell Recorder . . . . . . . . . . . . . . . . . . . . . . . . .2 - 4
2.11 Controller Configuration . . . . . . . . . . . . . . . . . . . . . .2 - 4
Section 3 - Control Panel Operation . . . . . . . . . . . . . . . .3 - 1
3.1 The 3920 Control Panel . . . . . . . . . . . . . . . . . . . . . . .3 - 1
3.2 Setting the Operating Temperature (Figure 3-3) . . . .3 - 2
3.3 Programming the controller . . . . . . . . . . . . . . . . . . .3 - 2
a. Removing the mechanical lockout . . . . . . . . . . . .3 - 2
b. Removing the Software Lockout . . . . . . . . . . . . .3 - 2
3.4 Air Exchange Ventilator Caps . . . . . . . . . . . . . . . . . .4 - 1
Section 4 - Routine Maintenance . . . . . . . . . . . . . . . . . . .4 - 1
4.1 Cleaning the Incubator . . . . . . . . . . . . . . . . . . . . . . . .4 - 1
Section 5 - Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 1
5.1 Access to the Electrical Components . . . . . . . . . . . .5 - 1
5.2 Replacing Overtemp/Undertemp Probe & Thermostat 5 - 1
5.3 Replacing the Temperature Sensor . . . . . . . . . . . . . .5 - 2
5.4 Removing the Top Section . . . . . . . . . . . . . . . . . . . . .5 - 2
5.5 Setting the Door Heater Control . . . . . . . . . . . . . . . . .5 - 3
Section 6 – Specifications . . . . . . . . . . . . . . . . . . . . . . . .6 - 1
Section 7 - Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 - 1
Section 8 - Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . .8 - 1
Warranty Information