desmon GBC-15, Service Manual

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Blast chiller Service Manual
25
Rev 07/04/2015
Parameter Description Factory Value
P22 defrost type
0 = electric (defrost on relay)
1 = hot gas (defrost compressor and relay on)
2 = air (evaporator fan on) 2
P23 defrost end temperature (with reference to the evaporator
probe) 8
P24 maximum defrost duration 10
P25 defrost interval during storage; see also P26
0 = intermittent defrosting will never be activated (only the first
will be activated) 6
P26 first defrost delay from start of storage; see also P25 1
P27 defrosting at start of chilling and freezing
1 = YES 0
P28 drip-drain duration 2
P29 resetting of compressor protections at start of defrosting (only
if P22 = 1)
1 = YES 0
P30 elapsed time between the defrost request and switching on the
compressor (only if P22 = 1 and providing that the compressor
is off when the defrost is requested); see P31 (7) (8)also 30
P31 elapsed time between the defrost request and activation of the
solenoid valve (only if P22 = 1 and on condition that the
compressor is off when defrosting is requested); see also P30 0
P32 temperature above which the evaporator fan is switched off
during storage (with reference to the evaporator probe) 3
P33 P32 differential 1
P34 evaporator fan activity during defrosting (only if P22 = 0 or 1)
0 = on
1 = off 0
P35 evaporator stop time after dripping 3
P36 temperature above which the evaporator fan is switched off
(with reference to the cabinet probe) 90
P37 effect caused by activation of microport input on evaporator
fan
0 = no effect
1 = the evaporator fan will be switched off 1
P38 microport input contact type
0 = NA (input active with contact closed)
1 = NC (input active with contact open) 1
P39 micro port input alarm delay 0
P40 high pressure input contact type
0 = NA (input active with contact closed)
1 = NC (input active with contact open) 0
P41 high pressure input alarm delay 120