Models 3940 and 3949 ___________________________________________________________________________
i
Read This Instruction Manual.
Failure to read, understand and follow the instructions in
this manual may result in damage to the unit, injury to operat-
ing personnel, and poor equipment performance.
CAUTION! All internal adjustments and maintenance must
be performed by qualified service personnel.
Refer to the serial tag on the back of this manual.
The material in this manual is for information purposes
only. The contents and the product it describes are subject to
change without notice. Thermo Forma makes no representations
or warranties with respect to this manual. In no event shall
Thermo Forma be held liable for any damages, direct or inciden-
tal, arising out of or related to the use of this manual.
MANUAL NUMBER 7033940
18 21173/IN-3057 11/15/02 Added ground shield to temperature and humidity probe ccs
17 20479/IN-3013 10/7/02 Added 1900140 IR CO2 option as an accessory aks
16 20474/IN-3013 3/6/02 Added optional heatless dryer aks
15 20342/PIP-012 10/3/01 Revised electrical schematics aks
14 19942 6/8/01 Replaced timer 275030 with 410048 aks
13 19935 5/8/01 Updated 3940-71 drawing aks
12 IN-2858 3/13/01 Revised control panel access and revised electrical schematics aks
11 19617 12/21/00 New door (105063) - updated electrical schematics ccs
-- -- 10/11/00 Rev 7 corrections (Item J L3 Off and SIL3 ON Humidity Configs) ccs
10 19187/IN-2816 7/24/00 Added line cord standard ccs
9 18153/IN-2816 6/27/00 Revise specs and electrical schematics ccs
- 19207/IN-2827 “ “ “
8 -- 4/25/00 Quark format ccs
7 18972/IN-2791 2/29/00 Updated configs, clarified dehumidify indicator operation ccs
-- 18948/IN-2787 Updated 3940-72 & 3949-71 drawings
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