Watts Wattstemp 740 User Manual

USER GUIDE
Wattstemp serie: Basic Flush mounted thermostat.
MODES DESCRIPTION
Electronic thermostat specially designed to control the Electrical floor heating.
External pilot wire for night reduction (-4°K)
Wattstemp 730: Regulation on room sensor.
Wattstemp 740: Possibility to regulate either the floor or room temperature, or
combined (in this case, the floor sensor is used as
temperature limiter)
ON /OFF switch.
16A Relay .
The product is supplied with two fronts and frames (Square and round) for
system ELKO RS/B&J JUSSI and ELJO TREND following the version.
Main
Switch.
LED
Indicator.
Configuration
switch.
GB
External sensor 10K
Floor limit
setting.
Room
setting.
CONFIGURATION SWITCH
On
Off
1 2 3 4
Power < 1500W
Max Power 3600W
Power load 1:
static differential
proportional
Regulation mode 2:
* The defaults setting are underlined.
LED INDICATOR
Red: - Heating indication
Green: - reduction mode by clock (pilot wire)
Orange: - Heating during reduction mode by clock (pilot wire)
Red blinking: - 0.5 second cycle
- 1 second cycle
- 2 seconds cycle
TECHNICAL CHARACTERISTICS
Measuring accuracy
±0,1°C
0°C – 40°C
Operating temperature
Setting temperature range
+5°C to 35°C
Floor limiting temperature
10°C to 40°C
range
Proportional band 10min for 2°K
Regulation characteristics
or Static differential 0.5°K
Electrical Protection Class II - IP21
Color
Polar White RAL 9010
Main Switch Two poles 16A
Output Relay 16A 250Vac resistive load (AC1)
Power supply 230VAC ± 10%
NTC 10k Ω 25°C
External sensor
(only supplied with Wattstemp 740)
- Regulation on internal sensor
- Regulation on external sensor
- Regulation internal room sensor
with lower limit floor on ext. probe
- Regulation on internal room sensor
with upper limit floor on ext. probe
Sensor mode 3&4 :
=> Internal & external sensor failures
=> Internal sensor failure
=> External sensor failure
PPLIMW01565Cb