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WFHT-PUBLIC 24V ANC/ANO

PPL IMP 1102A

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

precision0.1°C (or 0.2°F)

Operating temperature0°C - 50°C (or 32°F – 122°F)

Setting temperature range5°C – 30°C (or 41°F - 86°F)

Floor limiting temperature

range10°C – 40°C (or 50°F - 104°F)

Regulation

characteristics Proportional band 10min for 2°K

or Static differential 0.5°K

Electrical ProtectionClass II - IP30

Power Supply 24 VAC +/- 10%

Output TRIAC output 230 VAC, 15 W max.

( 4 actuators WATTS 22C type)

External Floor sensor NTC (10K Ohms) 3m

Soft Version V 1.4x

The manufacturer herewith declares that

the device WFHT-PUBLIC 24V 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.

9018565

Produktspecifikationer