Manual Watts Climatic Control Heating and Cooling (page 10 of 28) (English)

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5.4.3

Wireless room thermostat (Water Floor thermostat “trF1”) with WFHT-RF (BASIC, LCD or

MILUX)

WFHT-RF BASIC WFHT-RF LCD MILUX-RF-xxx MILUX-RF-Hygrostat

Only RF thermostats from the WFHT-RF series or the MILUX-RF series can

be used with an active antenna 433,92.

The MILUX-RF Hygrostat can be used only with the 433,92Mhz frequency

RF thermostat initialization to the Controller:

 SYSTEM PARAMETERS MENU, section

RADIO-CONFIGURATION with RF room thermostat

fig.8

If a radio frequency room thermostat is plugged in, the flow temperature calculated on the basis of outdoor

temperature and the curve (= flow temperature preset value) is optimized depending on the main room tempera-

ture.

The offset value is calculated in the following way:

Adjustment = preset value of supplied temperature + (room temperature - actual value) х compen-

sation offset

(Compensation offset:  System parameters: “tr1o” Flow temperature offset for “trF1”)

Example 1: preset calculated value of flow temp. = 35 °C; room temperature: preset value = 21 °C,

actual value = 19 °C; offset (tr1o) = 1,5

Estimation 1: 35 °C + (21 °C – 19 °C) × 1,5K =>> flow temperature increased by 3,0K to 38 °C

Example 2: preset value of flow temperature = 35 °C; room temperature: preset value = 21 °C,

actual value = 22 °C; offset (tr1o) = 1,5

Estimation 2: 35 °C + (21 °C – 22 °C) × 1,5K =>> flow temperature decreased by 1,5K to 33,5 °C

The pump will be switched off when room temperature will be 1°C upper the setting temperature

of the thermostat.

If a Milux-RF-Hygrostat is used, the program feature (See Chapter Error! Reference source not found.) is deported on the

thermostat user interface.

5.4.4

Wireless room Hygrostat (Water Floor thermostat “trF1”)

If a radio frequency room Hygrostat is plugged in, the flow temperature calculated on the basis of outdoor

temperature and the curve (= flow temperature preset value) is optimized depending on the main room

temperature. (See the previous part for more explanation)

The working mode (Heating or Cooling) of the installation could be managed by the end user directly on

the room hygrostat. (See the MILUX humidity leaflet for more explanation)

The residual humidity will be supervised by the MILUX-RF hygrostat in the house. If humidity is detected

the “Wcal“ temperature will be increased by step of 0.1°C/minute to avoid a too cold water on the hydraulic

circuit and risk of condensation in the house.

5.4.5

Wireless RF room thermostat (High temperature circuit thermostat “trF2”)

If a second circulation pump is installed and managed by the ClimaticControl-HC (Inst:  System param-

eters: installation type, “2P.x”), you can install a second radio frequency room thermostat to supervise the

working of the high temperature pump.

This pump will work in the following way: If the preset room temerature is reached the High water

temperature circulation pump switches off after pump delay time. (PUMP:  System parameters: pump

delay time)

Note: Only a standard room thermostat could be installed on the second circuit.

Ex: WFHT-RF (BASIC, LCD or MILUX).

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