Models 3940 and 3949 ___________________________________________________________________Table of Contents
iv
Table of Contents
Section 1
- Receiving . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 1
1.1 Preliminary Inspection . . . . . . . . . . . . . . . . . . . . . . .1 - 1
1.2 Visible Loss or Damage . . . . . . . . . . . . . . . . . . . . . .1 - 1
1.3 Responsibility for Shipping Damage . . . . . . . . . . . .1 - 1
Section 2
- Installation and Set-Up . . . . . . . . . . . . . . . . .2 - 1
2.1 Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 1
2.2 Water (Humidity System) and Drain Connections . .2 - 1
a. Connecting Water Inlet for Humidity System . . .2 - 1
b. Alternate Water Supply for Humidity System . . .2 - 1
c. Connecting the Drain Line . . . . . . . . . . . . . . . . . .2 - 1
2.3 Remote Data Output . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 2
a. RS-232 Data Output . . . . . . . . . . . . . . . . . . . . . . .2 - 2
b. Remote Alarm Contacts . . . . . . . . . . . . . . . . . . . .2 - 2
2.4 Power Connection . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 2
2.5 Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .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 (optional) . . . . . . . . . . . . . . . .2 - 4
2.11 Controller Configuration . . . . . . . . . . . . . . . . . . . . .2 - 4
2.12 1900140 IR CO
2
Option . . . . . . . . . . . . . . . . . . . . . .2 - 5
Section 3
- Start Up and Operation . . . . . . . . . . . . . . . . .3 - 1
3.1 The Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 1
3.2 Setting Incubator Operating Temperature . . . . . . . . . .3 - 3
3.3 Setting Incubator Operating Humidity . . . . . . . . . . . .3 - 3
3.4 Programming the controllers . . . . . . . . . . . . . . . . . . .3 - 3
a. Removing the Mechanical Lockout . . . . . . . . . . .3 - 3
b. Removing the Software Lockout . . . . . . . . . . . . .3 - 3
3.5 Air Exchange Ventilator Caps . . . . . . . . . . . . . . . . . .4 - 1
3.6 Heatless Dryer (optional) . . . . . . . . . . . . . . . . . . . . . . .4 - 1
Section 4
- Routine Maintenance . . . . . . . . . . . . . . . . . . .4 - 1
4.1 Cleaning the Incubator . . . . . . . . . . . . . . . . . . . . . . . .4 - 1
Section 5
- Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 1
5.1 Accessing the Electrical Components . . . . . . . . . . . .5 - 1
5.2 Replacing Over/Undertemp Probe & Thermostat . . .5 - 1
5.3 Replacing the Humidity/Temperature Sensor . . . . . .5 - 1
5.4 Replacing the Optional Recorder and Probe(s) . . . .5 - 1
5.5 Removing the Top Section . . . . . . . . . . . . . . . . . . . . .5 - 2
5.6 Setting the Door Heater Control . . . . . . . . . . . . . . . . .5 - 2
5.7 Cleaning and Adjusting Humidity Steam Generator . .5 - 3
a. Checking the Steam Generator Safety Thermostat
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 3
Section 6
- Specifications . . . . . . . . . . . . . . . . . . . . . . . . .6 - 1
Section 7
- Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . .7 - 1
Section 8
- Refrigeration Schematics . . . . . . . . . . . . . . . .8 - 1
Section 9
- Electrical Schematics . . . . . . . . . . . . . . . . . . .9 - 1
