CM67 CHRONOTHERM
EN0R 8498 R2 11/98 2
SPECIFICATIONS
CM67 CONTROLS/DISPLAY LAYOUT
Batteries : 2 x 1.5 V IEC LR6 (AA) Alkaline cells
Battery life : 4 years typical (Duracell MN1500) for
applications with loads <3A
: 3 years typical for electric heat
applications (>3A, <8A)
Battery
replacement
: Program retained in EEPROM
Switch type : SPDT (potential free)
Electrical rating : 230 V~, 50...60 Hz, 0.5 A to 8 A resistive
0.5 A to 3 A inductive (0.6 pf)
24 V~, 50...60 Hz, 0.5 A to 8 A resistive
0.5 A to 3 A inductive (0.6 pf)
Time display : 24 hour or 12 hour AM/PM format
Time keeping
accuracy
: Typically better than 10 minutes per year
Program : 7-day with 6 daily time and temperature
level changes
Time setting
resolution
: Time of day - 1 minute
Program - 10 minute steps
Sensing element : 100K (@ 25
o
C)NTCthermistor
Temperature
setting range
: Program : 5 to 30
o
Cin0.5
o
Csteps
Frost : 5
o
C or equal to lower limit
(5
o
Cto16
o
C). Frost protection does not
work in cooling mode
emperature
ontrol accuracy
:
0.5 K (nominal) @ 20
o
C, 50% load
3K∆/hour
Room
Temperature
display range
: From 0
o
Cto40
o
C
Control form
: P + I (Proportional + Integral)
Minimum ON
time
: 10% of cycle time (min one minute),
adjustable to 2 to 5 min (see installer set
up)
Cycle rate
: 3, 6( default), 9, 12. Selectable through
the installer set up mode.
Wiring
: Terminal block capable of accepting
wiresupto2.5mm
2
Wire access : Mains wiring - rear, left or below
Low voltage wiring - rear, left or below
Dimensions
: 130 x 87R(82L) x 29 mm (w x h x d)
130 x 172 x 29 mm (w x h x d) (flap
open)
Environmental
: Operating temperature range 0 to 40
o
C
Shipping and storage temperature range
-20to55
o
C
Humidity range 0 to 90% rh, non-
condensing
Approvals
: Designed to meet European EN
pprovals EN60730-1(1995), EN55014-1
(1997), EN55014-2 (1996)
