Samsung DVM PLUS III Technical Data Book page 569

05-1_control systems(002~045)
DVM indoor unit synchronization
Outdoor unit
Remote controller for indoor units (MWR-TH01, WS00, SH00) cannot be connected to the same COM2
communication line with the ERV remote controller.
The total number of indoor units and ERVs that can be connected to one ERV remote controller is Max.16.
Connection
Control
Display
Error occurrence
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N : 1 : 1 Synchronous control
COM1(F1/F2)
1 2
COM2
6
(F3/F4)
7
Wired R/C
Indoor unit : ERV : ERV remote controller = N : 1 : 1
If even only one indoor unit is turned on, ERV connected by the same COM2 communication line
operates accordingly. If all indoor units are turned off, ERV stops to operate. At that time, it is
possible to control ERV with the connected ERV remote controller. ERV remote controller
is not applicable for the indoor unit control.
Control example)
A. 1 Indoor unit is turned On among all indoor units
B. 1 Indoor unit is turned Off among all indoor units
① ⑤
C. All indoor units ~
D. Turn ERV remote controller
① ⑤
~ 's operation status.
Displays the operation status of one of connected ERV.
- When an error occurs at one of the indoor units: Displays the error code of the indoor unit.
- When an error occurs at ERV: Displays the ERV error code.
- When errors occur at both indoor units and ERV: Displays the error code with higher value.
3 4 5
① ⑤ ➞
~
① ⑤ ➞
~
➞ ⑥
are turned Off ERV is automatically turned Off.
⑦ ➞ ⑥
On Only ERV is turned On, no changes in indoor unit
⑥
ERV is automatically turned On.
⑥
No operation status change in ERV .
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