Viessmann GC1 Technical Data Manual

3
5604 122 v1.0
Vitotronic 100, KW10B Technical Data
Structure and Operation
Functionality Overview
- outdoor reset functionality with the ability to connect
to room thermostat demand type connection
- reset curve adjustments with rotary dial settings as
well as WWSD adjustments
- integrated DHW control and pump output adjustable
set point with rotary dial settings
- operational DHW settings with DIP switch settings;
- DHW priority
- DHW post purge time
- relay test functionality
pumps: DHW and boiler
burner: 1st and 2nd stage
alarm output
- LON addressing with rotary dial settings
- multi-boiler operation when used in conjunction with
Vitocontrol-S MW1 cascade control
- minimum boiler protection
- two stage burner operation
- compiled fault output (dry contact) and LED indicators
- 0-10VDC BMS set point control
Options
With optional OT thermostat via digital two wire
communication, providing local or remote user interface
- DHW set point adjustment and time scheduling
- outdoor reset adjustment and time scheduling
- slope, daytime/night time settings
- boiler status and temperature displayed on thermostat
- can be installed within living space or adjacent to boiler
With optional LON communication module
- communications to Vitotronic 050, HK1M mixing valve
controls
- communications to Vitocontrol-S, MW1 cascade control
- enables connection with extension output module
- BACnet communications utilizing Versatronik 505,
BACIP
Modular structure
The control unit consists of:
System ON/OFF switch, analog temperature display and
override switch.
- adjustable high limit (type RAK 51.1/3382, Mfg. Etheco
or type TR 97.55180.251, Mfg. EGO)
- fixed high limit (type RAK 75.4/3412, Mfg. Etheco
or type STW 56.10525.400, Mfg. EGO)
- electronic circuit board with power supply and
integrated outdoor reset function
- integrated diagnostic system (power, burner call and
fault indicators)
Boiler-specific functions
The Vitotronic 100 control unit controls the boiler
temperature according to heat demand input (room
thermostat connections) or the calculated outdoor reset
set point.
Boiler water temperature is limited through the adjustable
aquastat. Minimum boiler water temperature protection is
achieved with the built-in pump aquastat and the outdoor
reset control.
Electronic boiler control
- single boiler systems
- heating circuits without mixing valves
- single and two stage burners
- anolog temperature display

Viessmann GC1 Specifications

General

Brand	Viessmann
Model	GC1
Category	Control Unit
Language	English