Page 33 of 40
16.2
SPECIAL SERVICE INSTRUCTIONS
There are rare occasions when the refrigerant charge must be evacuated from a case in order to perform
service work. In those situations, Federal Industries recommends that the refrigerant charge be evacuated
into a recovery system to prevent the possibility of hydrofluorocarbons (HFC’s) from being released into the
atmosphere.
If moisture or liquid is observed around or under a Federal Industries case, an immediate investigation should
be made by qualified personnel to determine the source of the moisture or liquid. The investigation made
should determine if the case is malfunctioning or if there is a simple housekeeping problem.
Moisture or liquid around or under a case is a potential slip/fall hazard for persons walking by or working in
the general area of the case. Any case malfunction or housekeeping problem that creates a slip/fall hazard
around or under a case should be corrected immediately.
16.3
REFRIGERATION & ELECTRICAL DATA
Table 2 - Electrical Ratings
SELF CONTAINED
REMOTE
MODEL
404A
REFRIG.
VOLTAGE AMPERAGE
CORD
STYLE
VOLTAGE AMPERAGE
CORD
STYLE
LPRSS3
ELPRSS3
2 LBS
120/60/1
15
20AMP
NEMA 5-20 120/60/1
3
15AMP
NEMA 5-15
LPRSS4
ELPRSS4
3 LBS
120/60/1
15
20AMP
NEMA 5-20 120/60/1
3
15AMP
NEMA 5-15
LPRSS5
ELPRSS5
4 LBS
230/60/1
10
15AMP
NEMA 6-15 120/60/1
2
15AMP
NEMA 5-15
LPRSS6
ELPRSS6
4 LBS
230/60/1
12
15AMP
NEMA 6-15 120/60/1
2
15AMP
NEMA 5-15
16.4
ELECTRONIC CONTROL OPERATION
This unit is equipped with an electronic temperature control. The control parameters are set at the factory
and cannot be manually changed in the field. The pre set control parameters are listed on the chart in the
Settings Chart below.
16.4.1
Operation
The control uses two sensors, one located in the air stream and one located on the evaporator coil. The
sensor located in the air stream is referred to as the temperature control sensor. The sensor located on
the evaporator coil is referred to as the defrost probe.
The temperature control sensor is located on the plastic tub behind the evaporator coil on the
centerline of the display case in the cold air stream. The sensor location is critical for proper operation
on the unit. Do not move or relocate this sensor.
The coil sensor is strapped to the evaporator coil. This sensor location is critical for proper operation of
the unit. Do not move or relocate this sensor.