considerations None
range 00 (off) or 01 (on)
global default 00 (off)
10.34 compressor rest time (rt)
The table below details the compressor rest time (rt) parameter.
display
description
Defines the minimum time between compressor cycles.
The compressor rest time ensures that the pressures in the refrigeration system have time to equalize
during compressor off-cycles.
The compressor rest time (rt) helps to avoid the following:
l passing peak current through the windings of the compressor motor
l switching off the system on the thermal overload protection
l short cycling of the system.
considerations
If set too low, the compressor rest time may cycle on the set point
(SP) and differential (dIF) temperatures or the saving set point
(SSP) and saving differential (Sd) temperatures.
range 1 to 30 minutes
global default 3 minutes
10.35 saving differential (Sd)
The table below details the saving differential (Sd) parameter.
display
description
Defines the compressor cut-in temperature, when added to the saving set point (SSP) temperature, dur-
ing the saving mode.
considerations
If the saving differential (Sd) is set too low, for example less than 2.0°C, the compressor may cycle on the
minimum compressor rest time (rt).
range 0.0 to 9.9°C (0 to 18°F)
global default
4.0°C (7°F)
ems75sz: 3.0°C (5°F)
10.36 motion sensor enable (Sn)
The table below details the motion sensor enable (Sn) parameter.
display
ems55advanced and ems55Radvanced / General Use
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