Wolf FB363 Betriebsanleitung PDF herunterladen (Seite 36)

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See "MI 15 = dTOFF (stop differential)"

MI 16 dTEin

(start differential)

Conguration

km 01 = 5

Conguration 5 comprises a mixer circuit control and a dT control

for central heating backup. Condition for central heating backup,

see parameter description mi 18.

Output 1 ON, if PF_ist > RLF_ist + dTEin

Output 1 OFF, if PF_ist < RL_ist + dTAus

MI 15 dTAus

(stop differential)

For starting the primary pump, cylinder primary pump

(conguration 1, 4 and 10)

Or for ext. heat demand (conguration 2 and 11),

we differentiate between two cases:

a) Par.

MI 12 = 0: The primary pump is started immediately after

the demand is issued.

b1) Par. MI 12 = 1 with conguration 1, 4 and 10:

Primary pump "ON": Primary pump “ON”: actual header

temperature > actual cylinder temperature + 5 K

Primary pump "OFF": Actual header temperature ≤

actual cylinder temperature + 2 K

b2) Par. MI 12 = 1 with conguration 2 and 11:

Primary pump "ON": Primary pump “ON”: Actual header

temperature > Constant temperature - 5K

Primary pump "OFF": Primary pump “OFF”: Actual header

temperature > Constant temperature - 8 K

MI 12 Primary pump block

The primary pump run-on starts after cylinder heating or ext. heat

demand has been terminated (conguration 1, 2, 4, 10 and 11).

MI 13 Primary pump

run-on time

The system regulates to the selected set ow temperature, and

output A1 is regulated in case of an external heat demand via a

zero volt contact at input E1 and parameter conguration = 2 or 11.

External heat demand takes priority over any heat demand from

the heating circuits. The primary pump run-on starts after the

external heat demand has terminated. The program selector and

time slot heating or DHW have no inuence.

MI 14 Constant

temperature

Parameters / Function description

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 59 60

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