Summary of Contents for Thermo Electron Forma POWERFREEZE 840
Page 1
Forma ® FREEZE ™ OWER Ultra Low Temperature Freezer Operating and Maintenance Manual Manual Number 7000840 Rev. 1...
Page 2
Forma ® FREEZE ™ OWER Ultra Low Temperature Freezer Operating and Maintenance Manual Manual Number 7000840 Rev. 1 FORMA PowerFREEZE ULT Freezer Manual Number 7000840 23014 11/29/05 Changed circuit breaker (revised parts list) for 120V units 6/14/05 Updated contact information 9/29/04 Modified 89002416-d for Forma brand Revision...
(2) Anti-skid pads for leveling feet 85241913 (1) 17/19 spanner (wrench) for leveling feet 26178039 (1) Door opening limiter 51245425 (1) 8/10 spanner (wrench) for door opening limiter 26178026 (1) Back spacers 85230074 Forma ® FREEZE ™ Thermo Electron Corporation Thermo Electron Corporation OWER...
Page 4
Note The material in this manual is for information purposes only. The contents and the product it describes are subject to change without notice. Thermo Electron Corporation makes no representations or warranties with respect to this manual. In no event shall Thermo be held liable for any damages, direct or incidental, arising out of or related to the use of this manual.
Department at 1.888.213.1790 (USA and Canada) or 1.740.373.4189. We're ready to answer your questions on equipment warranty, operation, maintenance, service, and special applications. Outside the USA contact your local distributor for warranty information. Forma ® FREEZE ™ Thermo Electron Corporation Thermo Electron Corporation OWER...
The FREEZE design is a unique combination of a freezing system and OWER storage system which places a cooling coil in the top of each compartment. Thermo Electron Corporation Forma ® FREEZE ™...
Door opening limiter located on the top left of the door. The freezer is delivered without door opening limiter installed. After unpacking unit, install door opening limiter to avoid damaging door hinges. Forma ® FREEZE ™ Thermo Electron Corporation OWER...
Electron. Order stock number 17020 - 6 inch, 7 day, -100°C to +38°C circular chart paper. Replacement pens are also available. Order stock number 245231 - Short length red fiber tip pen and 245232 - Medium length blue fiber tip pen. Thermo Electron Corporation Forma ® FREEZE ™...
Remove the freezer from the pallet by rolling it down the plank. Note Two people are needed for this operation. Plank Straps Pallet Nuts Plank Side bar Figure 2-1. Unpacking Thermo Electron Corporation Forma ® FREEZE ™ OWER...
The environment must be non-corrosive and the floor must be level. 4. Check that the mains voltage corresponds to the freezer’s voltage. 5. After locating the instrument, install non-skid pads. Forma ® FREEZE ™ Thermo Electron Corporation OWER...
2. Position the limiter as shown in Figure 2-3 and secure in place with the two bolts and washers, using the box spanner (wrench). 3. Check that the limiter slides easily. Limiter Bolt Washer Spacer Plastic washer Door Body Figure 2-3. Door Opening Limiter Thermo Electron Corporation Forma ® FREEZE ™ OWER...
(see Figure 1-1). 3. Locate the cable extending from the recorder and connect to the cable secured to the bottom of the compressor compartment (mate-n-lock connection). 4. Replace the front grille. Forma ® FREEZE ™ Thermo Electron Corporation OWER...
Recording will begin in the new program. Table 2-1. Chart Recorder Program Ranges Program From 30°C 60°C -100 38°C 50°C 100°C -100 200°C -115 50°C 70°C Thermo Electron Corporation Forma ® FREEZE ™ OWER...
Note The felt-tip pen on the recorder requires periodic replacement. Usually the ink will appear to fade before replacement becomes necessary. Additional pen tips may be purchased. Forma ® FREEZE ™ Thermo Electron Corporation OWER...
During the cooling procedure, the freezer displays the chamber temperature. It takes about 6 hours to cool down the freezer from +20°C to -80°C. Thermo Electron Corporation Forma ® FREEZE ™...
• Voltage fluctuations of ±10% • Overvoltage category II • Pollution degree 2 Maximum performance is assured across the ambient temperature range of 18°C to 25°C and maximum relative humidity of 70%. Forma ® FREEZE ™ Thermo Electron Corporation OWER...
H x W x D (inches) 87.4 x 37.0 x 37.0 87.4 x 37.0 42.5 87.4 x 39.0 48.0 Dimensions (millimeters) 2220 x 940 x 940 2220 x 940 x 1080 2220 x 990 x 1220 Forma ® FREEZE ™ Thermo Electron Corporation OWER...
The cooling fluids are R 507 for the 1st stage and R 508 + R 290 for the 2nd stage. HP safety FREEZE ™ OWER Heat exchanger HP safety device Condenser device cooling coil Capillary tube Drying filter Figure 4-1. Refrigeration Diagram Thermo Electron Corporation Forma ® FREEZE ™ OWER...
The three digit LED display provides the following information under normal operating conditions: • Measured chamber temperature (1°C increments) • Set point temperature (1°C increments) • High temperature alarm set point (1°C increments) adjustable between 5°C and 25°C above set point. Thermo Electron Corporation Forma ® FREEZE ™ OWER...
LED lights up. The display shows the current temperature set point. 2. Adjust the temperature set point using 3. Validate the temperature set point by pressing Enter. Forma ® FREEZE ™ Thermo Electron Corporation OWER...
(see Service Menu). Alarm 2 (high temp alarm) • Alarm LED is flashing, audible alarm is activated • Dry contact and remote socket are closed Thermo Electron Corporation Forma ® FREEZE ™ OWER...
Page 29
Check to ensure that the filter is not clogged. If the filter is clogged, clean it. b. Check that the condenser fan is not damaged or has an incorrect speed. c. Verify the ambient temperature is not above 32°C. Forma ® FREEZE ™ Thermo Electron Corporation OWER...
Communication FREEZE freezers are fitted with dry contact and remote alarm OWER connections. Devices Dry contact and remote back-up RS485 alarm connections connection 9..1 Figure 5-2. Alarm Connection Locations on Freezer Back Thermo Electron Corporation Forma ® FREEZE ™ OWER...
Page 31
Power failure (this alarm is powered by the rechargeable battery) • Open door after 45 seconds • High temperature alarm • Probe short-circuit The door opening detection can be disconnected from remote alarms (see Service Menu). Forma ® FREEZE ™ Thermo Electron Corporation OWER...
7. Press Enter. The display shows alternatively rin(for rinse)/no. If display shows YES, a rinse procedure is scheduled every 8 hours. The rinse operation performs an oil warming cycle and is required for this freezer. Thermo Electron Corporation Forma ® FREEZE ™...
The use of electrical devices inside the freezer chamber is totally prohibited. Discarding The freezer cooling circuit contains flammable fluids. When discarding, the instrument must be given to a specialized company with qualified personnel. Thermo Electron Corporation Forma ® FREEZE ™ OWER...
86001847). 5. Write the next cleaning date on the label located next to the filter. Condenser filter Warm air Ventilation Side ventilation grille grille Figure 7-1. Condenser Filter Access Thermo Electron Corporation Forma ® FREEZE ™ OWER...
Need help?
Do you have a question about the Forma POWERFREEZE 840 and is the answer not in the manual?
Questions and answers