Viessmann VITOTRONIC 100 GC1 Installation And Service Instructions Manual page 122

Additional information
Coding 2
(continued)
Overview of all codings (continued)
Coding as per Function
factory setting
Address: Value
55: 0
DHW
56: 0
DHW
58: 0
DHW
59: 0
DHW
5A: 0
DHW
60: 20
DHW
61: 1
DHW
122
Tank heating,
differential +/- 2.5°C / 4.5°F
Setting range of domestic hot water tem-
perature 10 to 60°C / 50 to 140°F
Without additional function for domestic
hot water heating
Tank heating:
Switch-on point – 2.5°C / 4.5°F
Switch-off point + 2.5°C / 4.5°F
Without function
When domestic hot water is being
heated, the boiler water temperature is a
maximum of 20°C / 36°F higher than the
set-point domestic hot water temperature
Circulation pump switches on
immediately
New coding Possible change
Address:
Value
55: 1 Adaptive tank heating active
(takes into account the rate at
which the tank temperature
increases during domestic hot
water heating)
55: 2 Tank temperature control with 2
tank temperature sensors
55: 3 DHW heating circuit temperature
control (sensor 17B if used in
conjunction with mixing valve and
a plate heat exchanger)
56: 1 Setting range of domestic hot
water temperature 10 to 95°C /
50 to 203°F
IMPORTANT
Observe max. DHW temperature
Adjust adjustable high limit "R"
58: 1 I
nput of a 2nd set-point DHW
to temperature value; variable between
58: 95
1 and 95°C / 34 and 203
coding address "56").
¨ CAUTION
Set the adjustable high limit "R"
to a value which is at least 10
°F
18 higher than the maximum
domestic hot water temperature
( the temperature which is reached
by activating the additional function)
The temperature set on the
adjustable high limit "R" must not
exceed the maximum permissible
tank temperature
See installation
instructions for the DHW
tank concerned
59: 1 Switch-on point variable between 1
to and 10°C / 18°F below set point
59: 10 value
5A: 1
Supply temperature request of DHW tank
is the maximum value of the system
60: 10 Differential between boiler water
to temperature and set-point DHW
60: 50 temperature adjustable between 10
and 50°C / 18 and 90°F
61: 0 The circulation pump is switched
on as a function of the boiler
temperature
°F
(note
°C/