York IDM030B21E Series, Service Manual

Page: 127 / 144

SM-16005-rev.2
5-39
EXTERNAL INPUT/OUTPUT AND FUNCTION SETTING
(2) Rotation Control Function
The rotation control switches multiple indoor unit operating mode to FAN mode (Thermo-OFF) in order
one by one.
Fan
Operation*
1
Fan
Operation*
1
Fan
Operation*
1
Cooling Operation
Cooling Operation
Cooling
Operation
Cooling
Operation
Time
Indoor Unit 1
Indoor Unit 2
Indoor Unit 3
Order of Fan
Operation
1
Order of Fan
Operation
2
Order of Fan
Operation
In3
The indoor unit fan
operation is
performed in rotation by
indoor unit address Nos.
NOTES:
1. The fan mode time can be selected in the interval of three minutes, five minutes and ten minutes.
2. It is possible to change the rotation assigned number according to the minimum differential between
the setting temperature and indoor temperature.
(3) Intermittent Control Function
The intermittent control repeats Cooling/Heating and Fan (Thermo-OFF) mode in fixed intervals.
30 Minutes 30 Minutes
Cooling Operation
20 Minutes Cooling Operation
20 Minutes Fan Operation
10 Minutes Fan Operation
10 Minutes
Cooling Operation
17 Minutes Cooling Operation
17 Minutes Fan Operation
13 Minutes Fan Operation
13 Minutes
Cooling Operation
15 Minutes Cooling Operation
15 Minutes Fan Operation
15 Minutes
Fan Operation
15 Minutes
Time
SAV: LOW
SAV: MED
SAV: HIGH
NOTE:
The fan mode is repeated in the interval of five minutes (SAV: LOW), ten minutes (SAV: MED) and fifteen
minutes (SAV: HIGH) during heating operation.