CM67 CHRONOTHERM
CM67 CONTROLS/DISPLAY LAYOUT
SPECIFICATIONS
Batteries | : | 2 x 1.5 V IEC LR6 (AA) Alkaline cells | |
Battery life | : | 4 years typical (Duracell MN1500) for | |
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| applications with loads <3A | |
| : | 3 years typical for electric heat | |
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| applications (>3A, <8A) | |
Battery | : | Program retained in EEPROM | |
replacement |
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Switch type | : | SPDT (potential free) | |
Electrical rating | : | 230 V~, 50...60 Hz, 0.5 A to 8 A resistive | |
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| 0.5 A to 3 A inductive (0.6 pf) | |
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| 24 V~, 50...60 Hz, 0.5 A to 8 A resistive | |
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| 0.5 A to 3 A inductive (0.6 pf) | |
Time display | : | 24 hour or 12 hour AM/PM format | |
Time keeping | : | Typically better than 10 minutes per year | |
accuracy |
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Program | : | ||
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| level changes | |
Time setting | : | Time of day - 1 minute | |
resolution |
| Program - 10 minute steps | |
Sensing element : | 100K (@ 25 oC ) NTC thermistor | ||
Temperature | : | Program | : 5 to 30oC in 0.5 oC steps |
setting range |
| Frost | : 5 oC or equal to lower limit |
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| (5 oC to 16 oC). Frost protection does not | |
work in cooling mode
Temperature | : ±0.5 K (nominal) @ 20oC, 50% load |
control accuracy | 3 K ∆/hour |
Room | : From 0 oC to 40 oC |
Temperature |
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display range |
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Control form | : P + I (Proportional + Integral) |
Minimum ON | : 10% of cycle time (min one minute), |
time | 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 |
| wires up to 2.5 mm2 |
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 40oC
Shipping and storage temperature range
Humidity range 0 to 90% rh, non- condensing
Approvals : Designed to meet European EN approvals
EN0R 8498 R2 11/98 | 2 |
