Samsung MR-DH00, Technical Data Book

Page: 144 / 197

Control Systems
144
V V
External control system
6) Main fucntion
f
Multi tenant function controller operation
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When AC single phase power is normally supplied to indoor unit
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Detail information of the indoor unit when the power is supplied by MTFC
t When AC power (that is supplied to indoor unit) is cut-off, it supplies auxiliary power (DC 12 V, DC 5 V) to the indoor unit.
t When AC power (that is supplied to indoor unit) is supplied normally, it cuts-off the auxiliary power (DC 12 V, DC 5 V) to the indoor unit.
t Indoor unit operates normally.
Item Operation Detail information
Indoor unti operation OFF Remain indoor unit in off status, turning on is not possible
EEV control Close Operation off, follows indoor unit's EEV control
Self error diagnosis Operating Detects error such as EEV close/open by executing self-diagnosis
Displaying error on panel
display
Display partially
Case 1) The errors of itself : it displays.
Case 2) The errors of the other units : it doesn’t display.
Oepration of the connected
wired remote controller
OFF
1PXFSDVU OPUXPSLJOH
1BOFMEJTQMBZ All off All LEDs is off
Input outdoor unit key mode
(Test run)
Not operating The others are operated except the indoor unit in MTFC mode
Controlliing
from the control device
Not operating Remain off status, turning on is not possible
Setting option code Not operating
Option setting from wireles remote controller, wired remote controller
BOE4/&51SPFUDJTOPUQPTTJCMF
Recognition of MTFC status
1PTTJCMFPOMZUISPVHI
4/&51SP
6TJOH4/&51SPVTFSDBODIFDL.5'$XPSLJOHTUBUVT
Beep Not operating -
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Caution
t
Wired remote controller for group control cannot be installed to an indoor unit which Multi Tenant Function controller was installed.
t EEV operation of the stopped Heat mode will be controlled in same condition as noise reduction control option when
Multi Tenant Function Controller operates.
t If the Multi Tenant Function Controller operates while multiple indoor units are working in mixed operation mode
(cooling and heating at the same time), dew may form on the indoor unit fan.
2. Multi tenant function controller
MCM-C210N
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