DataSheet OPTIM201910 en GB

10 / 24 | Variable Air Volume Controllers
Solutions for Room Controls
with VAV Ventilation Systems
The variable air ow controlled ventilation as a part of demand oriented control of room climate can be integrated
in different ways according to various user requirements. The basic part of the climate control is the various room
controllers. Each of them ts a different control solution at a corresponding cost level.
Room Control Solutions, Quick Overview
Room Controller
EC-Basic – CO2
+ Temperature Room Controller
Parameters, Functions
RC-C3DOC MZ3-Touch
Number of control loops 3 1 2
Value assigment to control loop Freely adjustable Fixed Fixed
Control loop sequence Freely adjustable - Fixed (simultaneous)
Analog outputs (control setpoints) Heating valve, Cooling valve, VAV VAV VAV
Internal sensors (analog values) 1 × Temperature -
1 × Temperature, 1 × CO
2
External sensor analog inputs 1 × Pt1000, 1 × DC 0 V ... 10 V 1 × DC 0 V ... 10 V -
Binary inputs 2 (congurable) - -
Controlled values for VAV
Temp. Heat/Temp. Cool, CO
2
, VOC,
Humidity, Others
CO
2
, VOC Temp. Cool, CO
2
Measurement range of controlled
values
Adjustable for CO
2
, Fixed for others
Fixed Fixed
VAV control normal operation
0(2) V ... 10 V = V
min
... V
max
Yes Yes Yes
VAV control manual override
modes available
Open/Close/V
min
/V
max
(by BMS)
V
min
, 40%, 60%, 100%
(120 min) of V
max
-
Bus communication protocols/
Physical media
Modbus RTU, BACNet MSTP/RS485 - -