Weishaupt WTC 60-A Operations Instructions download pdf (Page 46)

The temperature measured by the external sensor is

averaged over time by a mathematical function

(

➩ reset the average determination see Ch. 6.3.2).

The current flow temperature is calculated under

consideration of the type of building (➩ heating engineer

level P21) and the gradient set (➩ heating engineer level

P22)(see diagram heating reference line).

The room temperature setpoint, adjustable in the end

user level, is also considered (see diagram influence

room temperature setpoint).

If using an inbuilt digital clock (WCM-DU) different room

temperature setpoints are possible for day/night.

☞ When fitting a WCM remote control FS

(accessory) the setting of the room temperature

setpoints is carried out by remote control station.

(➩ see installation and operating manual WCM-FS).

Parameter setting:

❑ P15 = 1 (When using a digital clock)

❑ P20 = -4...0...4 (Temp. correction external sensor)

❑ P21 = 0/1 (Evaluation building)

❑ P22 = 12.5 (Heating reference line gradient

for radiator heating circuit)

= 8 (Heating reference line gradient

for underfloor heating circuit)

35 30 25 20

9,5

12,5

27,5 22,5 17,5

2,5

20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35

Diagram heating reference line

20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35

Diagram influence room temperature setpoint

with room setpoint T = 20 [°C]

[°C]

with gradient =12.5

Rtset 15°C

Rtset 20°C

Rtset 22°C

Rtset 24°C

Gradient

7. 2 External temperature dependent flow temperature control

An external sensor QAC 31is required for this variation.

The sensor should be fitted to a north or northwest

facing wall.

Avoid the following unfavourable factors:

•Direct exposure to the sun.

• Installation below a balcony, eaves or similar

•Extraneous heat sources (chimney, through windows,

through ventilation openings).

•Do not paint sensor housing.

Note: If day/night time change-over is required to

comply with local regulation, a digital clock

(WCM-DU)or WCM-FS is required for this

regulating variation.

ca 1/2 H

min. 2,5m

Installation example

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 89 90

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Weishaupt WTC 60-A Operations Instructions Page 46

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