Viessmann VITOTRONIC 300-K Operations Instructions download pdf (Page 47)

5693 976 - 04

Vitotronic 200 and 300-K Installation and Service

“General” Group

Coding

Coding in the factory setting Possible change

53:1

Function connection sK of the

internal extension:

DHW recirculation pump

53:0

Function connection sK: Central

fault message.

53:2

Function connection sK:

External heating circuit pump

(heating circuit 1).

53:3

Function connection sK:

External circulation pump for

DHW tank heating.

76:2 With cascade communication

module (recognized

automatically; only for constant

temperature control units).

76:1 With LON communication module

(recognized automatically).

76:0 Without communication module

80:6 A fault message is displayed

if a fault is active for at least

30 seconds

80:0 Immediate fault message.

80:2

80:199

Minimum fault duration until fault

message occurs, adjustable from

10 sec. to 995 sec; 1 step ≙ 5 sec.

81:1 Automatic summer/wintertime

changeover

81:0 Manual summer/wintertime

changeover.

81:2 Use of the radio clock receiver

(automatic recognition).

81:3 With LON communication

module: The control unit receives

the time.

88:0 Temperature display in °C

(Celsius)

88:1 Temperature display in °F

(Fahrenheit).

8A:175 Do not adjust. -- --

8F:0 Operation in the standard

menu and extended

menu enabled

Note: The respective code is

only activated when you

exit the service menu

8F:1 Operation in the standard

menu and extended menu

blocked.

Emissions test mode can

be enabled

8F:2 Operation enabled in the

standard menu; blocked in

the extended menu.

Emissions test mode can

be enabled

94:0 Without Open Therm extension 94:1 With Open Therm extension

(automatic recognition).

95:0 Without Vitocom 100

communication interface

95:1 With Vitocom 100

communication interface

(automatic recognition).

99:0 Do not adjust -- --

9A:0 Do not adjust -- --

9B:70 Set supply temperature for

external demand 158°F (70°C)

9B:0

9B:127

Set supply temperature for

external demand adjustable

from 32 to 260°F (0 to 127°C)

(limited by boiler-specific

parameters).

Coding 2 Vitotronic 200

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 95 96

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Viessmann VITOTRONIC 300-K Operations Instructions Page 47

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