Rossato Air Combo 200, Technical Manual

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Pressing contemporaneously the buttons and , the technician will enter the menu
and can change following parameters:
REG Parameters regulation Default U.m.
dOn Hysteresis when switching on 0,0 °C
dOFF Hysteresis when switching off 0,0 °C
rOn Delay when switching on 0 sec
rOFF Delay when switching off 0 sec
dtCk
Difference between ambient temperature and evaporation temperature to
determine a probable damage to the compressor
1,0 °C
rICk
Period of time during which compressor’s failure conditions should remain until
the system sends to the display the signal C KO and starts using the
resistance;
900 Sec
tEVk
Underneath this evaporation temperature the system searches the failure in
the fan
-8,0 °C
tAVk Minimum ambient temperature to abilitate fan’s failure search 0,0 °C
rIVk
Period of time during which fan’s failure conditions should remain before the
system sends to the display the signal V KO and starts using the resistance
900 sec
AnLE Enables antilegionella cycles (1 enables, 0 disables) 0
rtAL Period between 2 anti legionella cycles 7 days
tAL Set point temperature to enable an antilegionella cycle 65,0 °C
SOLE Parameters of solenoid
tISb Underneath this temperature defrost will start -10,0 °C
rISb During this period the temperature should remain lower than tiSb 10 min
tFSb Target temperature to end defrost cycle 8,0 °C
tMsb Maximim defrost time 20 min
tEq Pressures equalization time before compressor’s starting up 30 Sec
rCOn Delay at solenoid closing after compressor’s starting up 10 sec
RESI Parameters of resistance
rArS
If the temperature of the upper part of the tank does not reach the set point in
the period rArS, the resistance is supplied
1 hour
VENT Parameters of fan
tEL Evaporation’s low limit temperature to activate fan’s self-regulation 5,0 °C
tEH Evaporation’s high limit temperature to activate fan’s self-regulation 10,0 °C
tAL Temperature of low part of the tank to activate fan’s self-regulation 35,0 °C
Rit Delay in changing fan’s speed 30 sec
Vmin Minimum fan’s speed 1
Air Combo - installation, use and maintenance manual
AIRCOMBO_TEC_EN_4.07
Page 22 of 28
Rossato Group Srl