5
M1288-0056
LN
2
Backup Units for Innova & Premium Freezers
User’s Guide
2
2
I
I
N
N
S
S
T
T
A
A
L
L
L
L
A
A
T
T
I
I
O
O
N
N
WARNING!
Ensure that all equipment is switched off and disconnected from the power
supply. Personnel are responsible for familiarizing themselves with the
equipment owner’s safety policy and regulations.
Note, too, that maintenance adjustments and repair should only be carried
out by qualified and experienced personnel who have been approved to
undertake such work by New Brunswick Scientific or its authorized agents.
2.1 Inspection
Carefully unwrap the backup unit and retain the packing materials for possible future use.
Check that all the items listed on the packing list are present. Inspect all items for
damage that may have occurred in shipping. Report any damage and/or deficiencies
within 14 days to your nearest New Brunswick Scientific Company (
using Customer
Satisfaction Form 6300
), or to the agent who supplied the equipment. Also report
damage to the carriers within their specified time limit.
See Section 4.7 for details on NBS’ return authorization policy.
2.2
Installing Individual Parts
WARNING!
The LN
2
back-up unit cannot be fitted to a freezer that is operating.
Before installation, empty the freezer, switch it off, and disconnect it from
the power outlet. Open the door or lid and let the whole freezer reach
ambient temperature.
2.2.1
Installing the Temperature Sensor
The temperature sensor is fitted to the freezer through the hole that has a nylon
plug. The hole is located (a)
on Upright models
, on the top panel, in the rear
right-hand corner (except for the Model U101: see
NOTE
on the following
page), or (b)
on Chest models
, inside the compressor compartment.
