Defrosting Cycle - Ariston MSZ 701 NF HB (T) Service Manual

3-5. Defrosting Cycle

INPUT
1. Total comp. work time
2. Comp. work rate
3. RT temperature
4. Total door open time
1. Conditions to start defrosting cycle
1) Total comp. work time : 6, 8, ........ 24 hours.
2) Total door open time : 3 minutes
(Any door - F or R - open time is over 3 minutes.)
3) Total time of [comp. ON + comp. OFF] : 60 hours
4) Any error mode : R1, F1, D1, F3, RT/S, Door-switch
2. Conditions to start defrosting mode
1) The mode starts with the following conditions ;
Any error happens when total comp. work time is 6 or 8....... or 24hours.
Total door open time is over 3 minutes.
(Any door - F or R - open time is over 3 minutes.)
2) Defrosting mode starts unconditionally as long as total comp. work time is 24 hours,
even if the above conditions( ~ ) are not satisfied.
3) Defrosting mode starts immediately as long as total time of [comp. ON + comp. OFF] is
over 60 hours, even if the above 1) and 2) conditions are not satisfied.
1. Defrosting Mode
CONTENTS
17
OPERATION AND FUNCTIONS
Control Object
Remark