Viessmann GC1 Installation And Service Instructions

129
Components
Components from the parts list (cont.)
TEST key
For testing the high limit safety
cut−out.
For a description, see page 98.
Control thermostat
H Type TR 55.18029.020, make EGO,
DINTR 110302
or
EM1TK/b1 60002846, make
JUMO, DIN TR 77703
or
Type 751.X32X6.01A, make T&G,
DINTR96803
H Set to 95ºC in the delivered
condition; adjustable
to 100 and 110ºC (see page 65)
Note
Adjust downwards at least 20K
higher than the DHW temperature,
upwards at least 15K lower than
the high limit safety cut−out.
H Electro−mechanical temperature
switch according to the liquid
expansion principle
H Controls the maximum boiler
water temperature (e.g. in
emissions test mode)
H Flattened 6 mm settings axis,
setting tools pushed onto the front
of the axis
H Capillary tube 3600 mm long
probe ∅ 3 mm, 180 mm long
H Electrical test in accordance with
VDE0701 (or local regulations)
H Function test with emissions test
key (see page97)
5862730GB

Viessmann GC1 Specifications

General

Brand	Viessmann
Model	GC1
Category	Control Unit
Language	English