Manual Elco Thision S (page 29 of 52) (English)

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Menu: Heating circuits

Variable speed pump

The pump in the THISION S for heating

circuit 1 is speed controlled according

to the hydraulic standard.

Speed design point

Sets the speed level (1-24) of the pump

at the design point for achieving the

nominal flow rate. If necessary, the fan

speed can be reduced (hydraulic

adjustment).

This corresponds to the analogue

speed selector switch on the pump.

NB: When changing the setting, the

minimum speed (operating line 885)

must always be adjusted

simultaneously.

Pump PWM min

Minimum PWM pump percent speed in

heating mode, which must be

maintained, so that no supply shortage

occurs in the rooms.

This value can be adjusted only by

changing the speed design point

parameter (param. 884) in accordance

with the adjacent table.

The "variable speed pump" function is

active in hydraulic diagram 3 and 60, in

line no. 5701.

The PWM pump control is based on a

weather-compensated supply line

temperature control using the heating

curve.

Line no.

Operating line

Diagram

function

Factory setting

884

Speed design point

NqmodNenn

see table below

Thision S factory setting

9 kW

13 kW

17 kW

25 kW

35 kW

50 kW

Speed in design point (884)

these values must not be

set any higher

not to be

changed

Line no.

Operating line

Diagram

function

Factory setting

885

Pump PWM min

NqmodMin

40 %

THISION S 9-13kW

Speed design

point

Operating line 884

Pump PWM min

Operating line 885

Step 16

40%

Step 15

43%

Step 14

46%

Step 13

49%

Step 12

53%

Step 11

57%

Step 10

63%

Step 9

69%

Step 8

76%

Step 7

85%

Step 6

97%

THISION S 17-25kW

Speed design

point

Operating line 884

Pump PWM min

Operating line 885

Step 19

40%

Step 18

43%

Step 17

45%

Step 16

47%

Step 15

50%

Step 14

53%

Step 13

57%

Step 12

61%

Step 11

67%

Step 10

73%

Step 9

79%

Step 8

88%

Step 7

99%

THISION S 17 + 25

Max residual head factory setting

THISION S 9 + 13

Max residual head factory setting

THISION S 17 + 25

Min residual head

factory setting

(line 885 = 40%)

THISION S 9 + 13

Min residual head

factory setting

(line 885 = 40%)

Residual head (mWs)

Speed

(line 884 setting)

Flow rate (m3/h)

Residual pump head

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Others manual(s) of Elco Thision S

Elco Thision S User Manual - German - 20 pages

Elco Thision S User Manual - Dutch - 21 pages

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Elco Thision S Manual

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