Helmer Scientific i.Series
®
Ultra-Low Freezer
Operation Manual
360172-A/D
16
6
Product Specifications
6.1
Operating Standards
♦
Indoor use only
♦ Altitude (maximum): 2000 m
♦ Ambient temperature range: 15 °C to 32 °C
♦ Relative humidity (maximum for ambient temperature): 80% for temperatures up to 25 °C, decreasing linearly to 53% at 32 °C
♦ Temperature control range: -50 °C to -86 °C
Note
Power conditioning (voltage boost) is an optional feature. If facility voltage is consistently at or below 195 V, voltage boost must
be installed in order to protect the compressors.
Table 2. Electrical Specifications
Model
116
118
124
126
Input Voltage and Frequency
208/230 V, 60 Hz
Voltage Tolerance
±10%
Circuit Breakers
12.0 A (quantity 2)
Current Draw
11.0 A
Energy Consumption
18.5 kWh/day
18.5 kWh/day
19 kWh/day
19 kWh/day
Power Source
15 A dedicated circuit
Boost Cut-in Voltage
195 V
Monitoring System Battery /
Chart Recorder Battery
12 V, 7 Ah rechargeable sealed lead acid battery
Remote Alarm Capacity
0.5 A at 30 V (RMS); 1.0 A at 60 V (DC)
CAUTION
• The interface on the remote alarm monitoring system is intended for connection to the end user’s central alarm system(s)
that uses normally-open or normally-closed dry contacts.
•
If an external power supply exceeding 30 V (RMS) or 60 V (DC) is connected to the remote alarm monitoring system’s
circuit, the remote alarm will not function properly; may be damaged; or may result in injury to the user.
Note
Overall exterior dimensions include casters, handle, i.C
3
bezel, and door hinges
Table 3. Ultra-Low Freezer Specifications
Model
Voltage Code
Amps
Capacity
Cu. Ft
(Liters)
Dimensions Interior
W x H x D in. (mm)
Dimensions
W x H x D in. (mm)
Net Wt.
lbs (kg)
Exterior
Overall Exterior
iUF116
208/230 V
60 Hz
11.0
16
(453)
23.1 x 49.5 x 23.3
(587 x 1257 x 592)
33.8 x 78.2 x 34.8
(859 x 1986 x 884)
37.1 x 78.2 x 37.5
(942 x 1986 x 953)
607
(275)
iUF118
208/230 V
60 Hz
11.0
18
(510)
23.1 x 54.1 x 23.3
(587 x 1374 x 592)
28.9 x 78.2 x 34.8
(734 x 1986 x 884)
32.5 x 78.2 x 37.5
(826 x 1986 x 953)
622
(282)
iUF124
208/230 V
60 Hz
11.0
24
(680)
34.4 x 49.5 x 23.3
(874 x 1257 x 592)
45.1 x 78.2 x 34.8
(1146 x 1986 x 884)
48.4 x 78.2 x 37.5
(1229 x 1986 x 953)
704
(319)
iUF126
208/230 V
60 Hz
11.0
26
(736)
34.4 x 54.1 x 23.3
(874 x 1374 x 592)
40.2 x 78.2 x 34.8
(1021 x 1986 x 884)
43.8 x 78.2 x 37.5
(1113 x 1986 x 953)
725
(328)
