Condair UDC - Connecting the CHR or CHR-NA to Condair Units

100 Condair CHR and CHR-NA
7.8 Connecting the CHR or CHR-NA to Condair units
7.8.1 Connecting the CHR or CHR-NA to the Condair RS/RS OC
1. Connect the CHR to the corresponding terminals of the terminal block "X8" on the driver board of
the Condair RS/RS OC (ROW) according to the following diagram.
Note: The voltage supply of the CHR is established via the terminals "V+" and "GND" of terminal
block "X8" or via an external 24 V AC/DC voltage supply.
MAINS SUPPLY
L N SC1SC2PEPE
MODULE B
24VDCBLOWERLIMIT ENABLECONTROL
V+
X8
X9 X12 X11 X10 X7 X1
INGND IN GND 24V IN24V IN 24V GND
JP2 (24V) JP1 (10V)
Condair RS/RS OC (ROW)
CHR
24 VDC
24V AC/DC DO1 DO1 DO2 DO2 RT RT 0V/GND
1 2 3 4 5 6 7 8
Driver board Condair RS/RS OC Module A
Connect the CHR-NA to the appropriate terminals of the Condair RS/RS OC (NA) according to the
following diagram.
Note: The voltage supply of the CHR-NA is established via the terminals "Control Signals (V+)" and
"Control Signals (GND)" of terminal block "XE2" or via an external 24 V AC/DC voltage supply.
Condair RS/RS OC (NA)
BLOWERLIMIT ENABLECONTROL
V+
X8
X9 X12 X11
INGND IN GND 24V IN24V IN
RS485-1 RS485-2
GND D–D+ GND D–D+
24VAC External Safety Loop Control signal (GND) Control signal (IN) Limit signal (IN) Control signal (V+) Limit signal (GND) Safety circuit BP Safety circuit BP
1 2 3 4 5 6 7 8 9
XE2
24 VDC
24VDC
X10
24V GND
JP2 (24V) JP1 (10V)
CHR-NA
24V AC/DC DO1 DO1 DO2 DO2 RT RT 0V/GND
1 2 3 4 5 6 7 8
Driver board
Condair RS/RS OC
Module A
2. Set a jumper on JP2 (24V) on the driver board of the Condair RS/RS OC and remove the jumper
on JP1 (10V), if present.