COSMO
GmbH
Brandstücken 31
22549 Hamburg
www.cosmo-info
.de
February 2020
V003
Digital Bezel Type Programmable
Wired Thermostat 230 V
Model:
CRTD55
Quick Guide
I N T R O D U C T I O N
P R O D U C T C O M P L I A N C E
S A F E T Y I N F O R M AT I O N
B O X C O N T E N T
T E R M I N A L S D E S C R I P T I O N
W I R I N G D I A G R A M
L C D I C O N D E S C R I P T I O N
The
CRTD55
thermostat is a stylish and accurate programmable
flush mount digital room thermostat for Bezel 55. You can now
simply adjust your home temperature as desired in order to
create a comfortable home environment.
This product complies with the essential requirements and other
relevant provisions of Directives: EMC 2014/30/EU, LVD 2014/35/
EU and RoHS 2011/65/EU.
You can wire the thermostat directly to the
CKL6230N
wiring
centre or to an actuator (purchased separatly).
Use in accordance with the regulations. Indoor use only. Keep
your equipment completely dry. Disconnect your equipment
before cleaning it with a dry towel. The unit is to be used for the
control of room temperature inside the house.
Front case
Quick Guide
Rear case
2x fixing screws
T E R M I N A L
D E S C R I P T I O N
Switching Live (output)
CO
Changeover; 0V for heating or 230V for
Cooling (input)
NSB
0V normal temp mode; 230V reduced temp
mode (output)
N
Neutral Input
L
Live Input
S1/S2
Floor sensor (optional)
1
15
16
8
9
10
17
2
3
4
5
6
11
12
13
14
7
1.
BOX indicates which
mode is active
2. Standard temperature
3. Reduced temperature
4. Automatic
5. Party mode
6. Holiday mode
7. Frost protection
8. Temperature unit
9. Temporary override
indicator
10. Temperature indicator
11. Programs number
indicator
12. AM / PM
13. Day of the week
14. Floor sensor connected
15. Cool mode
16. Heat mode
17. Time indicator
B U T T O N F U N C T I O N S
B U T T O N
F U N C T I O N
- Move left to new mode or new settings
- Short press to return to the previous
screen when it is in user/installer setting
mode
- Long press to return to home display
without saving
Move right to new mode or new setting
- OK key: Short press to confirm selection
- Long press to direct return to home display
with saving during the period of setting
- Long press to enter Program /Clock /
Offset / HeatCool setting for user
- Increase or decrease Setpoint Temperature
- Increase or decrease Day, Clock, timer
(party/holiday)
A C T U A T O R
C K L 6 2 3 0 N
W I R I N G C E N T R E
ACTUATOR
E.G. HEAT
PUMP
OUTPUT TO
MULTIPLE
DEVICES
AC 230V
N
L
AC 230V
CKL6230N
N
L
T
T
N
N
L
L
ACTUATOR
E.G. HEAT
PUMP
OUTPUT TO
MULTIPLE
DEVICES
AC 230V
N
L
AC 230V
CKL6230N
N
L
T
T
N
N
L
L
