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Watts WFHT-PUBLIC 230V Manual

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PPL IMP 1092A
USER GUIDE GB
CONFIGURATION SWITCH
1 2 3 4
Sensor mode 3&4 :
- Regulation on internal room
- Regulation on external probe
- Regulation internal room sensor
with lower limit floor on ext. probe
- Regulation on internal room sensor
with upper limit floor on ext. probe
static differential of
f
or proportional on
Regulation mode 2:
NC Actuator of
f
NO Actuator on
Actuator type 1:
on
off
TECHNICAL CHARACTERISTICS
MODES DESCRIPTION
- This thermostat is specially made for public area (school, office ….)
- Electronic thermostat with night reduction mode for water floor heating
systems controlled by actuators.
- External pilot wire for night reduction, equipped with an internal switch to
select comfort, reduction or clock mode.
- Possibility to regulate either the floor or room temperature, or combined
(in this case, the floor sensor is used as temperature limiter)
- Silent (triac output), to be connected directly to actuators (see connecting
drawing on the installation sheet) or to our Modular connecting system.
(
In this case
p
lease refer to the connectin
g
box datasheet
)
LED INDICATOR
Red: Heating indication
Green: reduction mode by clock (pilot wire)
Orange: Heating during reduction mode by clock (pilot wire)
Green blinking: - 0.5 second cycle => Internal & external sensor failures
- 1 second cycle => Internal sensor failure
- 2 second cycle => External sensor failure
Floor limit
settin
g
.
Room
settin
g
.
Select
mode.
Configuration
switch.
LED Indicator.
Screw connector for
external sensor.
Screw connector for
Power supply,
output and
clock (pilot wire)
Measured temperature
precision 0.1°C (or 0.2°F)
Operating temperature 0°C - 50°C (or 32°F – 122°F)
Setting temperature range 5°C – 30°C (or 41°F - 86°F)
Floor limiting temperature
range 10°C – 40°C (or 50°F - 104°F)
Regulation
characteristics Proportional band 10min for 2°K
or Static differential 0.5°K
Electrical Protection Class II - IP30
Power Supply 230 VAC +/- 10%
Output TRIAC output 230 VAC, 75 W max.
( 15 actuators WATTS 22C type)
External Floor sensor NTC (10K Ohms) 3m
Soft Version V 1.4x
9018575
WFHT-PUBLIC 230V ANC/ANO
The manufacturer herewith declares that
the device WFHT-PUBLIC 230V ANC/ANO
complies with the basic requirements and
all other relevant regulations of the
1995/5/EG directive.
The declaration of conformity can be
downloaded from:
www.wattsindustries.de
This Thermostat can be used in all EU and
EFTA countries.
1


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