Vivax HPM-28CH84AERIs R32-1H3 Handleiding (112 Pagina's)

Handleiding

ENG VIVAX

8

4.2 Monobloc Leaving Water Temperature (LWT) Selection

The recommended design LTW ranges for different types of heat emitter are:

 For floor heating: 30 to 35⁰C

 For fan coil units: 30 to 45⁰C

 For low temperature radiators: 40 to 50⁰C

4.3 Optimizing System Design

To get the most comfort with the lowest energy consumption with M thermal, it is important to take account of the

following considerations:

 Choose heat emitters that allow the heat pump system to operate at as low a hot water temperature as possible

whilst still providing sufficient heating.

 Make sure the correct weather dependency curve is selected to match the installation environment (building

structure, climate) as well as ender user’s demands.

 Connecting room thermostats (field supplied) to the hydronic system helps prevent excessive space heating by

stopping the outdoor unit and circulator pump when the room temperature is above the thermostat set point.

4.4 Tank back up heater notice

Heat pump will stop when T5(tank temperature) has reached the minimum of both T5S(tank setting temperature) and

T5stop (highest tank temperature which can be reached under certain ambient temperature with heat pump only) and

lasted for 5s. The value of T5stop is shown as below.

If T5S is higher than T5stop, then T5S can not be reached with heat pump only. In this case, tank back up heater is needed

in order to reach T5S.

T5stop value:

Ambient temperature(

ć

)

< -20

-20~15

-15~-10

-10~-5

-5~0

0~5

5~10

T5stop(

ć

)

35

40

45

48

52

55

56

Ambient temperature(

ć

)

10~15

15~20

20~25

25~30

35~40

40~65

T5stop(

ć

)

57

56

55

52

50

48

45

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