Room #n
CHM # 01
CHR # n
CHR # 01
Room #01
CHM # x
CHM #y
0-10V
H/C
0
24V
0
24V
0-10V
H/C
0
24V
0
24V
24V
0
1 2 3 4 5 6
Power supply
(24-28 Vdc)
24 Vdc
max. 1.1A
CHR
24 Vdc
0 Vdc
24 Vdc
0 Vdc
Heating/Cooling
RPM (0-10 V)
H. valve +
H. valve -
C. valve +
C. valve -
1
2
3
4
5
6
7
8
9
10
24 Vdc
0 Vdc
24 Vdc
0 Vdc
H/C
RPM
HV +
HV -
CV +
CV -
24 Vdc
max. 1.1A
18
VD.YC.D2.02 © Danfoss 01/2006
CONVEC
System with CHR room thermostat
The heating system shown is a 2-pipe system
with flow and return pipes.
CHR room thermostat sends a 0-10 V control
signal to the panel.
A CHR can control up to 10 Convec panels in
the same room.
A Convec panel can be supplied with a valve
to control flow through the panel.
PLEASE NOTE!
CHR room thermostats and
CHM motor control have a common “0”.
Electric circuit
CHR room thermostat
CHM motor control
