8
Chapter 3
Models
Regio Midi manual
Chapter 3 Models
There are 12 different Midi room controllers. They can be divided according to type of control
in basic models, models for fan control and models for three-point control.
Model overview
RC…
Basic models control analogue actuators, thermal actuators or On/Off actuators with spring
return.
RCC…
Basic models with built-in CO
2
sensor. The units control analogue actuators, thermal actuators
or On/Off actuators with spring return.
…-C-models
Models with communication. Communication via EXOline, Modbus or BACnet. Note that
BACnet communication only is available for models with display.
…D-models
Models with display.
…F-models
Like basic models, models for fan control (…F-models) control analogue, thermal and spring
return actuators. With the exception of RC-C3DFOC, they also have a button/fan switch and
three digital outputs for control of a three-speed fan (fan coil, etc.). RC-C3DFOC has EC fan
control on analogue output UO3.
…H-models
Models with hidden setpoint
…O-models
Models with occupancy button
…T-models
Models for three-point control (…T-models) have four digital outputs for control of two three-
point actuators.
…C-models
C at the end. Models with input for external CO
2
sensor.
…3-models
The …3-models have an additional output for control of either an On/Off damper, analogue
forced ventilation damper, an analogue EC-fan or an analogue third damper.
Models
Display
O
cc
up
a
ncy b
u
tt
o
n
Fan
c
on
trol
3
-p
oin
t
con
trol
Setpo
int
kno
b
Hidd
e
n se
tp
oi
nt
EC fan
con
trol
(AO)
fo
llo
w
c
oo
li
ng
/heat
ing
Con
trol
of
a
th
ird
sequ
e
nce
(d
a
mp
er)
Inp
u
t f
or
CO
2
s
enso
r
CO
2
sens
or (
b
uilt
in
)
Basic models
without fan
control/three-
point control
(…3-models)
RC-C3H
●
●
●
RC-C3
●
●
●
RC-C3O
●
●
●
●
RC-C3DOC
●
●
●
●
●
RCC-C3DOCS
●
●
●
●
●
●
Models for fan
control
(…F-models)
RC-CF
●
●
RC-CFO
●
●
●
RC-CDFO
●
●
●
RC-C3DFOC
●
●
●
●
●
Models for
three-point
control (…T-
models)
RC-CTH
●
●
RC-CT
●
●
RC-CTO
●
●
●
RC-CDTO
●
●
●
Table 1. The Midi models and their functions
