Viessmann VITOTRONIC 100 GC1B Service Manual download pdf (Page 113)

Additional information

113

System Components (continued)

TUV button, Part No. 7819 314

For checking the fixed high limit.

See description on page 86.

Fixed high limit, Part No. 7820 036

Type STW 56.10525.570, make: EGO, DIN STB (STW) 106095

EM-80-V-TK/b7-1 60002843, make: Juchheim, DIN STB 82699

The fixed high limit has a factory setting of 120°C / 248°F.

Electromechanical temperature switch based on the liquid expansion principle

with interlock

Intrinsically safe; interlocking also takes place if the capillary tube is leaking or

if ambient temperatures are below –10°C / 14°F

Limits the boiler water temperature to the maximum permissible value by

cutting out and interlocking

Can be adjusted with the slotted screw A at the rear of the unit to 110 and

99 °C / 230 and 210 °F (cannot be reset to 120°C / 248 °F once adjusted)

Reset unit by pressing the reset button ”E” on the front of the programming

unit if the temperature has fallen approx. 15 K below the shut down temperature

Central fastening M 10, capillary 3600 mm long

Tests:

Electrical to VDE 0701 standard

Functional check via TEST button

Adjustable high limit, Part No. 7817 531

Type TR 55.18029.020, make: EGO, DIN TR 110397

EM-1-V-TK/b1 60002846, make: Juchheim, DIN TR 77798

The adjustable high limit has a factory setting of 95°C / 203°F

Electromechanical temperature switch based on the liquid expansion principle

Controls the maximum boiler water temperature (e.g. in emissions test mode)

Can be adjusted to 100 and 110°C / 212 and 230°F by altering the setting

of the stop dial or by removing the cams

Set the lower limit at least 20°C / 36°F higher than the domestic hot water

temperature, the upper limit at least 15°C / 27°F lower than the fixed high limit.

Adjusting shaft 6 mm / 0.27 inches, flat topped

Adjusting knob pushed onto shaft from front

Capillary 3600 mm / 141.7 inches long

Sensor 3 mm / 0.1inches thick, 180 mm / 7.1inches long

Tests:

Electrical to VDE 0701 standard

Functional check via emissions test mode

5351 338 v1.6

IMPORTANT

1 2 ... 108 109 110 111 112 113 114 115 116 117 118 ... 131 132

Comments to this Manuals

No comments

Viessmann VITOTRONIC 100 GC1B Service Manual Page 113

Comments to this Manuals

Related products and manuals for Water heaters & boilers Viessmann VITOTRONIC 100 GC1B