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Service Level Parameters
Mnemomic
Description
MDL Do not adjust
SPL
Minimum limit for SetPoint
setting
SPH
Maximum limit for SetPoint
setting
SP Setpoint Temperature value to be maintained in the product
HY0
Thermostat OFF -> ON
dierential
In Cooling Mode - ‘MDL’ = ‘HYS’
HY1 Do not adjust
CMD
Compressor start delay ‘run’
mode
The time between mains power being applied and the compressor starting when in ‘run’
mode (i.e. following a mains power cut)
CRT
Compressor rest time Minimum time compressor is switched o following cycle operation (i.e. pull down, hot
gas defrost)
CT1 Compressor output on time Followed by ‘CT2’ when probe Ta (T1) is faulty
CT2 Compressor output o time Followed by ‘CT1’ when probe Ta (T1) is faulty
PB Do not adjust
IT Do not adjust
DT Do not adjust
CT Do not adjust
AR Do not adjust
CMS Do not adjust
CRS Do not adjust
CRD Do not adjust
CDS Do not adjust
CFF Do not adjust
CSS Do not adjust
CSO Do not adjust
CST Do not adjust
DFM
Defrost start mode
Defrost start mode
‘NON’ - defrost function is disabled - no defrosts will occur
‘TIM’ - Time. Defrosting occurs on a time base determined by ‘DFT’, accumulated only in
run mode
‘FRO’ - Do not use
‘DoD’ - Do not use
‘TAD’ - Do not use
DFT
Time interval between defrosts When this time has elapsed since the previous defrost (in run mode), a new defrost cycle
is initiated
DSP Do not adjust
DST Do not adjust
DMI Do not adjust
DLI Defrost end temperature
DTO Maximum defrost duration
DTY
Defrost type ‘OFF’ - O cycle defrost (Compressor and Heater OFF)
‘ELE’ - Electric defrost (Compressor OFF and Heater ON)
‘GAS ‘ - Hot gas defrost (Compressor and Heater ON)
DSY
Defrost start synchronization ‘OFF’ - none. The defrost will occur without delay
‘LO’ - defrost start will be postponed to compressor cut-out (SOD = max delay)
HI’ - defrost start will be postponed to compressor cut-in (SOD = max delay)
SOD Do not adjust
DPD
Evaporator pump down At the beginning of defrost, defrost outputs (determined by ‘DTY’) are ‘OFF’ for ‘DPD’
seconds
DRN
Pause after defrost (evaporator
drain down time)
DDM
Defrost display mode. RT’ - the real / actual temperature
LT’ - the last temperature displayed before defrost initiation
SP’ - the setpoint value
dEF’ - ‘dEF’
Service Level Menu
To access service level menu, press button 3 then press and hold buttons 2 and 4 for 5 seconds and the display will show ‘MDL’. Use buttons 2 and
4 to display the parameter required. Press button 3 to display the current value. If it is required to amend the value use buttons 2 and 4 followed
by button 3 to save the new value.
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