ESIE15-11A | Part 3. Field settings 10. VKM
23/09/16 Page 49
VRV4 indoor units
17 /
27
0 Interval time for filter sign indication 01 2500 hours
02 1250 hours
03 no counting
1 Nighttime free cooling operation set-
ting
01
no free cooling possible Free cooling starts when outdoor tem-
perature is below ambient tempera-
ture and when minimum stop-time has
expired. Ambient temperature is
checked 1x per hour. (combination
with setting 27/6 & 27/7)
02 free cooling 2 hours after
unit stop
03 free cooling 4 hours after
unit stop
04 free cooling 6 hours after
unit stop
05 free cooling 8 hours after
unit stop
4 fan speed initial setting 01
normal possibility to use SS1 on pcb of VKM
02 Ultra high
5 Direct duct connection with VRV
indoor
01
not direct duct (airflow set-
ting)
VKM works independent of indoor
units
02 with direct duct (fan off) the fan of the VKM stops immediately
when indoor unit fan stops (remocon
off, defrost, oil return and hot start)
03 -
04 no direct duct (airflow set-
ting)
the fan of VKM goes to low speed
when the fan of indoor unit stops
(thermo off, defrost, oil return and hot
start)
05 -
06 with direct duct (fan off) the fan of VKM goes to low speed
when the indoor fan stops (thermo off,
defrost, oil return and hot start)
07
08 no direct duct (fan off)
Cold areas: Fan speed setting 01
Keep set fanspeed
02 Heating Th off: set
fanspeed
Defrost: stop
Oil return: stop
In case independent operation, set
fanspeed in thermo off, defrost & oil
return
03 -
04 Heating Th off: low
Defrost: stop
Oil return: stop
05 -
06 Heating Th off: low
Defrost: stop
Oil return: stop
07
08 Heating Th off: set
fanspeed
Defrost: stop
Oil return: stop
6 Ventilation airflow setting when night-
time free cooling setting
01
High
02 Ultra high
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