User Manual Thermo Scientific HERAfreeze HFU B Series -86C ULT Upright Freezer Operating and Maintenance Manual 7038931 Rev. 20 Visit us online to register your warranty www.thermoscientific.com/labwarranty

Important installer and user information: A redundant temperature sensing device has been included in this ULT freezer. This device is a type “T” thermocouple. For convenient access, the thermocouple (Figure 1-3) terminates in an interconnect jack (Figure 1-5) behind the base front cover. (May be located differently in chests. See Section 1.) It is strongly recommended that this thermocouple be attached to a redundant 24 hour 7 day monitoring system with alarm capabilities. Connecting the sensor to a monitoring and alarm system separate from the freezer provides the utmost in product safety,...

CAUTION Contains Parts and Assemblies Susceptible to Damage by Electrostatic Discharge (ESD) Important Read this instruction manual. Failure to read, understand and follow the instructions in this manual may result in damage to the unit, injury to operating personnel, and poor equipment performance. ▲ Caution All internal adjustments and maintenance must be performed by qualified service personnel. ▲ Material in this manual is for information purposes only. The contents and the product it describes are subject to change without notice. Thermo Fisher Scientific makes no representations or warranties...

Important operating and/or maintenance instructions. Read the accompanying text carefully. Potential electrical hazards. Only qualified persons should perform procedures associated with this symbol. Equipment being maintained or serviced must be turned off and locked off to prevent possible injury. Extreme temperature hazards, hot or cold. Use special handling equipment or wear special, protective clothing. WEEE Compliance: Thermo Fisher Scientific has contracted with companies for recycling/disposal in each EU Member State. For further information, send an email to [email protected]....

Do You Need Information or Assistance on Thermo Scientific Products? If you do, please contact us 8:00 a.m. to 6:00 p.m. (Eastern Time) at: 1-740-373-4763 1-800-438-4851 1-877-213-8051 http://www.thermofisher.com [email protected] www.unitylabservices.com Direct Toll Free, U.S. and Canada FAX Internet Worldwide Web Home Page Tech Support Email Address Certified Service Web Page Our Sales Support staff can provide information on pricing and give you quotations. We can take your order and provide delivery information on major equipment items or make arrangements to have your...

Table of Contents Section 1 Calibrate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Calibrate Control Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1 Temperature Stabilization Periods . . . . . . . . . . . . . . . . . . . . . . . . . .2-1 Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 High Stage System Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Probe Failure Alarm . . . . . . . . . . . . . . . ....

Factory Installed Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1 Back Up System (BUS) - P/N 1950533, 1950535 . . . . . . . . . . . . . . 5-1 Install Vent Stack, Solenoid and Injection Assembly . . . . . . . . . . . .5-1 Install Temperature Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3 Connect Probe/Solenoid Harness . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3 BUS Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5 Configure Optional BUS (Back-Up System) . . . . . . . . . . . ....

Control Panel Optional Back Up System Controls Temperature Recorder (Optional) Figure 1-1. Freezer Front View Components • • BUS (Optional Back Up System) control panel Thermo Scientific Control panel - keypad, displays and indicators Optional temperature recorder or datalogger

Section 1 Installation and Start-Up Wall Bumper (pre-tapped holes) Optional Back-up System Connections Remote Alarm Contacts Power Switch (mains disconnect) Power Inlet Figure 1-2. Freezer Rear View Components • Remote alarm contacts Power inlet for power cord connection Optional BUS connections for probe and solenoid Power switch (mains disconnect) Shelf Bracket Optional Miscellaneous Accessories Probe Optional - Recorder Probe/Datalogger Probe Sealant (Caution: This is a critical seal. Seal must be maintained.) Control RTD/Redundant Type T Thermocouple Probe Figure 1-3. Chamber Probe(s) Thermo...

Section 1 Installation and Start-Up Vacuum Relief Port Chamber Probe Cover Figure 1-4. Vacuum Relief and Probe Cover Location • Vacuum relief port - pressure equalization port Probe cover - houses control, optional recorder, datalogger, or miscellaneous accessory probes Battery mounting bracket(s) Battery power switch Thermocouple interconnect jack Battery mounting bracket Freezer battery and optional BUS battery Figure 1-5. Battery(s) location and switch • • Freezer battery Thermo Scientific Battery power switch (freezer and BUS) Freezer filter location

Section 1 Installation and Start-Up Temperature Display Figure 1-6. Control Panel Control Panel Keys, Displays, Indicators Silence Alarm Indicator Key Alarm Panel Temperature Display - Displays temperature in degrees Celsius. Mode Select Switch - Used to select Run, Set Temperature, Set High Alarm, Set Low Alarm, Calibrate, Backup. Alarm Indicator - Light pulses on/off during an alarm condition of the cabinet. Silence - Silences the audible alarm. See Section 4 for alarm ringback times. Alarm Panel - indicates the current alarm condition. Up and Down Arrows - Increases or decreases values, toggles...

Section 1 Installation and Start-Up Install Freezer Note If tipped more than 45°, allow the unit to sit upright for 24 hours before start up. ▲ To remove the freezer from the pallet, use a 7/16" wrench to remove all the bolts securing the shipping bracket to the pallet. Remove the shipping bracket. Remove the ramp boards from the pallet and place the slotted end over the ramp brackets on the pallet. The support blocks on the ramps will be facing down. Before moving the freezer, make sure the casters are unlocked and moving freely. Align the caster with the ramp boards. Use adequate personnel...