Helmer Scientific i.Series
®
Ultra-Low Freezer
Operation Manual
360172-A/D
5
2 Installation
2.1 Location
♦ Has a dedicated 15 A grounded circuit with dedicated single point receptacle meeting the electrical requirements listed on the product
specification label.
♦ Is clear of direct sunlight, high temperature sources, and heating and air conditioning vents.
♦ Minimum 8” (203 mm) above, and minimum 4” (102 mm) behind.
♦ Meets limits specified for ambient temperature and relative humidity.
2.2
Remove Compressor Restraints
1.
Using ½” socket and ½” open-end wrench, remove the hex bolt securing the compressor
restraint under the high-stage compressor. Set hex bolt, washer and hex nut aside for use
in installing rubber compressor foot (Qty.: 1 per compressor).
2. Lift compressor mounting plate slightly and slide restraint out.
3.
Remove rubber compressor foot and metal spacer from accessories box.
4. Slide the compressor foot under the compressor mounting plate and align hole in the foot
with opening in the bottom of the freezer and mounting plate.
5.
Insert metal spacer in the center of rubber compressor foot.
6.
Insert hex bolt through bottom of freezer and up through compressor foot and
mounting plate.
7.
Place washer and hex nut over the protruding hex bolt. Hand-thread hex nut.
8.
Secure using torque wrench, and tighten to 78.8 in-lbs.
9.
Repeat steps 1 – 8 for low-stage compressor.
Note
When removing the compressor restraint from the low-stage compressor, approach
from the left side of the compressor to avoid damage to the copper tubing mounted
to the floor of the refrigeration compartment.
10.
Place rear panel over refrigeration compartment and align holes in panel with threaded
holes in freezer.
11.
Hand thread screws and tighten using #2 Phillips screwdriver .
2.3
Placement and Leveling
CAUTION
•
To prevent tipping, ensure door is closed and latched, and casters are unlocked and free of debris before moving freezer.
•
The freezer is extremely heavy. Helmer recommends two people work together to move the freezer.
1. Ensure all casters are unlocked and door is closed and latched.
2. Roll freezer into place and lock casters.
3. Adjust leveling feet (if installed) to ensure freezer is level.
Compressor restraint
Rubber foot with spacer
Rubber foot installed
Rear panel
