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Summary of Contents for Thermo Scientific Jewett CT 1
- Page 1 Installation and Operation Manual ® Thermo Scientific Jewett CT 1 Undercounter Blood Bank Refrigerators...
- Page 2 © 2009 Thermo Fisher Scientific. All rights reserved.
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Page 5: Table Of Contents
Installing and Operating Instructions 1592020062 FnC = o_n fans will run even if the compressor is off, and not run during defrost; After defrost, there is a timed fan delay allowing for drip time, set by means of the “Fnd” parameter. Digital controller with defrost and fans management FnC = C_Y fans will switch ON and OFF with the compressor and run during defrost;... -
Page 6: Main Functions
Installing and Operating Instructions 1592020062 6. MAIN FUNCTIONS O3 Third probe calibration (P3): (-12.0÷12.0°C; -120÷120°F). allows to adjust possible offset of the third probe. P4P Fourth probe presence: (n = Not present; y = present). 6.1 HOW TO SEE THE SETPOINT Fourth probe calibration: (-12.0÷12.0°C) allows to adjust possible offset of the fourth probe. -
Page 7: Digital Input (Enabled With P3P = N)
Installing and Operating Instructions 1592020062 AFH Differential for temperature alarm/ fan recovery: (0,1÷25,5°C; 1÷45°F) Intervention 8.5 START DEFROST (i1F = dFr) differential for recovery of temperature alarm. It’s also used for the restart of the fan when the It starts a defrost if there are the right conditions. -
Page 8: Technical Data
Installing and Operating Instructions 1592020062 17. DEFAULT SETTING VALUES Message Cause Outputs "LA2" Condenser low temperature It depends on the “bLL” parameter Labe Name Range °C/°F “dA” Door open Compressor and fans restarts Set Set point LS÷US -5.0/0 - - -... - Page 9 Thermo Scientific Jewett Undercounter Blood Bank Refrigerators Installation and Operation 5 Hinge And Latch Adjustment 5.2 Latch and Strike Adjustment 1. Latch is fastened to door. 2. For up or down adjustment (proper latch engagement) loosen mounting screws "B". 3. Strike plate "C" remains in position.
- Page 10 TROUBLESHOOTING SERVICE CHART SYMPTOM POSSIBLE CAUSE POSSIBLE CORRECTIVE STEP Compressor 1. Line disconnect switch open. 1. Close disconnect switch will not start, 2. Fuse blown or breaker tripped. 2. Check electrical circuits and motor no hum windings for shorts or grounds. Investigate for possible overloading.
- Page 11 TROUBLESHOOTING SERVICE CHART SYMPTOM POSSIBLE CAUSE POSSIBLE CORRECTIVE STEP Compressor 1. Excessively high discharge pressure. 1. See high discharge pressure symptom. starts and 2. Low voltage to unit. 2. Determine reason and correct. runs, but 3. High voltage to unit. 3.
- Page 12 TROUBLESHOOTING SERVICE CHART SYMPTOM POSSIBLE CAUSE POSSIBLE CORRECTIVE STEP High suction 1. Excessive load. 1. Reduce load or add additional equipment. pressure. 2. Expansion valve overfeeding. 2. Check remote bulb. Adjust superheat. Low suction 1. Insufficient refrigerant in system. 1. Check for leaks. Repair and add charge. pressure.
- Page 13 Ulteriori informazioni sulla conformità di Thermo Fisher Scientific con queste Direttive, l’elenco delle ditte di riciclaggio nel Vostro paese e informazioni sui prodotti Thermo Scientific che possono essere utili alla rilevazione di sostanze soggette alla Direttiva RoHS sono disponibili sul sito www.thermo.com/ Conformité...
- Page 14 Important For your future reference and when contacting the factory, please have the following information readily available: Model Number: Serial Number: Date Purchased: The above information can be found on the dataplate attached to the equipment. If available, please provide the date purchased, the source of purchase (manufacturer or specific agent/rep organization), and purchase order number.
- Page 15 Thermo Fisher Scientific Inc. 275 Aiken Road Asheville, NC 28804 United States www.thermofisher.com 306128 H 0 1 Rev. C...
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