Summary of Contents for Thermo Scientific 3554-35A
Page 1
Low Temperature Incubator Owner/Operator Manual and Parts List Model No. 3554-35A (115 VAC) LT1883X4 • 4/2/09 Serial Number:______________________________...
Safety Information Alert Signals Warning • This manual must be carefully read and thor- oughly understood before operating the unit, fail- Warning ure to follow directions or precautionary meas- Warnings alert you to a possibility of ures could result in serious adverse effects. personal injury.
Introduction The Thermo Scientific Lab-Line Low Temperature Incubator offers laboratories precise temperature control over the -10°C to 60°C range. Performance meets requirements for the preservation of vaccines, biologicals, incubation of bacterial cultures, and determination of bio- chemical oxygen demand of sewage. The extended...
Specifications Power Requirements 115V, 8.9A, 60 Hz (Including 2 A for convenience outlet)External Dimensions Height: 70 in (179cm) Width: 32 in (81cm) Depth: 32.5 in (83cm) Volume: 20.3 cu ft (0.58m3) Shelf Data: 5 in chamber, 6 on door, 1 basket Capacity: 300 BOD bottles Shipping Weight...
Unpacking and Installation Packing List Item Note Low Temperature Incubator If damage is observed, keep the Instructions shipment intact (including the carton Wall Bracket (with screws) and all packing material) and file a claim with the final carrier. Remove shipping box by cutting bands that Installation attach box to pallet then lift box off.
NSTALLATION Wall Mounting In order to allow the user to improve the stability of the incubator, two wall mounting brackets are included. These brackets allow the incubator to be attached to a wall. Attach brackets to the upper corners on the back of the unit.
Controls and Displays Controls Power ON/OFF Switch: Located on back wall of chamber, is used to turn power ON or OFF to entire unit. Keys: Located on front panel. MENU - Used to access controller menus. - Used to display setting. L INCREASE setting.
Operation Perform the procedure under General Function Checks if incubator is new or hasnʼt been operated for a long period of time. General Function Checks Note When power is first applied, if dis- play indicates S instead of L, a dip- Apply power by placing the Power ON/ OFF switch setting on the controller must switch (Located inside chamber) to I (ON) posi-...
PERATION Changing Chamber Temperature Control Setpoint 1. The chamber temperature is continuously dis- played, unless a key is pressed. To display the setpoint temperature press the SET key. The setpoint temperature will remain on the display for 1 sec. after the SET key is released.
Page 11
PERATION temperature and the displayed temperature. Range -5° to 5°C. See Calibration Procedure. Pct Menu- (Percent Cooling Menu) Used to select one of three cooling modes: 100% Mode - Compressor runs continuously which pro- vides high precision control (±.2°C Stability) over entire temperature range.
PERATION 0.1 Mode - Same as 0.0 Mode, except that the setpoint is locked and can't be changed. 0.2 Mode - Setpoint is locked, plus, the ALARM will acti- vate and the safety relay will open as follows: chamber < (setpoint -3) or chamber > (setpoint +3) Note In order to use this mode of protection, modes 0.0 or 0.1 If the chamber temperature falls out-...
Maintenance Cleaning Warning Immediately clean all spilled materials from the incubator To reduce the risk of electric shock, and wipe dry. If necessary, moisten a cloth with soap and disconnect from power source before water and clean inside and out. Do not use any harsh servicing.
AINTENANCE After 1 hour, remove power from unit. Open door and wipe up any excess moisture on floor of chamber with paper towels or sponge. Apply power and set desired operating parame- ters back into controller. After chamber temper- ature stabilizes, place samples previously removed back into unit.
Repair Replacing Temp. Controller Disconnect incubator from power source. Remove front panel bezel by removing four screws in top and bottom of bezel. Remove four screws that mount controller to mounting bracket. Note wire colors and positions on TB1 and TB2, then remove all wires from TB1 and TB2 and old controller.
EPAIR Replacing SSR1, K1, K2 or T1: Disconnect incubator for power source. Remove screws from back panel(s) then remove back panel(s). Locate device to be replaced on bottom panel then remove mounting screws. Unplug quick connect terminals, noting posi- tions. Place quick connects on new device and mount on panel.
Troubleshooting Symptom Possible Cause Possible Solution to Condition Incubator controller isnʼt functioning, Power switch isnʼt ON or no Place Power ON/ OFF switch inside no lights etc. power to unit. chamber to ON. Check power outlet by plugging a known good device into it. Erratic temperature display Frost buildup.
Ordering Procedures Please refer to the Specification Plate for the complete model number, serial number, and series number when requesting service, replacement parts or in any corre- spondence concerning this unit. All parts listed herein may be ordered from the Thermo Scientific dealer from whom you purchased this unit or can be obtained promptly from the factory.
(ii) misuse (including use inconsistent with written operating instructions for the product), mishandling, contamination, overheating, modification or alteration of the product by any customer or third party or (iii) use of replacement parts that are obtained from a party who is not an authorized dealer of Thermo Scientific prod- ucts.
Need help?
Do you have a question about the 3554-35A and is the answer not in the manual?
Questions and answers