30
GB
press the reset button R (fig. 71).
Replace the thermostat body right
down in its housing and insert the
tab L.
The time available for replacing
the batteries is about 2 min; after
that time all operating settings of
the system are lost.
WARNING. Inserting the batteries
the wrong way round can damage
the thermostat.
The use of low batteries can also
give rise to faulty thermostat ope-
ration, in which case, you should
proceed as explained in chapter
14.
17 - TECHNICAL
FEATURES
Equipment for civilian use.
• Independently-installed electro-
nic device.
• LCD graphic display.
• Power supply: three LR03, type
AAA, 1.5V alkaline batteries.
• Battery life: over one year.
• Battery low indication.
• Time available for replacing bat-
teries about 2 min.
• Relay: max voltage 250V, max
current 5A for resistive loads (2A
for inductive loads).
• Type of action: 1 B-U.
• Contacts available: 1 NO-NC
switching contact.
• Four operating modes: MA-
NUAL, AUTOMATIC, ANTIFREE-
ZE, STAND-BY.
• Selection of programs: HEA-
TING, COOLING, WILD CARD.
• Plant running time counter: from
1 to 9.999 hours.
• Option for timer-controlled ma-
nual, antifreeze and stand-by func-
tions (up to 99 hours or days).
• Range of application: from +2 °C
to +35 °C.
• Temperature levels: three, pro-
grammable b2 °C and
+35 °C.
• Antifreeze temperature: adjusta-
ble from +2 °C to +35 °C.
• Programming: one temperature
level per hour for each day of the
week.
• Room temperature detection
rate: every 15 s.
• Temperature threshold: pro-
grammable from ±0.1 °C to ± 0.9
°C.
• Reading resolution: 0.1 °C.
• Precision:
≤
± 0.3 °C.
• Class A software.
• Pollution level: 2.
• Impulse voltage: 4 kV.
• Max temperature of control
head: 40 °C.
• Insulation grade: IP30.
• Working temperature range:
from 0 °C to +40 °C.
• Dimensions: see figure 79.
TH345.01 ITF 24078822 04_06 11-07-2007 8:21 Pagina 30
