Samsung AM Series User Manual page 44

Installation Procedure
(*1) Height difference : The difference of the height between the corresponding indoor unit and the indoor unit installed
at the lowest place. For example, When the indoor unit is installed 40m higher than the indoor unit installed at the
lowest place, select the option "1".
(*2) The difference between the pipe length of the indoor unit installed at farthest place from an outdoor unit and the
pipe length of the corresponding indoor unit from an outdoor unit.
For example, when the farthest pipe length is 100 m(328 ft.) and the corresponding indoor unit is 40 m away from
an outdoor unit, select the option "2". (100 - 40 = 60m)
(*3) For MTFC option, MTFC(Multi Tenant Function Controller) kit is required.
(*4) Heater operation when the SEG9 of 02 series installation option is set to using hot water heater or when SEG15 is
set to using external heater.
Example 1) Setting 02 series SEG9 ="1" / Setting 05 series SEG18 = "0": The hot water heater is turned on at the
same time as the heating thermostat is on, and turned off when the heating thermostat is off.
compensation temp.)
External heater is turned on when the temperature is maintained as 4.5 °C for 10 minutes. Room temp. >
set temp. + f(heating compensation temp.)
External heater is turned off when the temperature is maintained as 4.5 °C + 1 °C (1 °C is the Hysteresis for On/
Off selection.)
Additional information on SEG 3, 4, 5, 6, 8, 9
When SEG 3 is set to 1 and the HR-specific auto changeover function is run, the indoor unit operates as shown in the
following figure:
Temperature
Ts
Set temperature
for Auto mode
The mode change between the Cool and Heat modes is made only when the thermo off state is maintained for the
period of time set with SEG9.
44
English
Reference temperature for change from
heating to cooling
b
Reference temperature for
cooling
d
Reference
temperature for
cooling
C
c
B
A
D
a
Reference temperature for heating