Control Unit - Wolf TGB-40 Installation Instructions Manual

Setting
i
. .
9l
2°
JiIif
Anti-seizing pump
protection
Cycle block
~
Control unit
I
Function
I
Operation
The heating program selector enables you to choose four operating modes:
Summer mode(central heating off)onlyDHWheating;frost protectionfor
the central heatingsystemisensured.Integralanti-seizingpumpprotection.
Winter mode;inwintermode,the boilerheatsthe heatingwater temperature
to the value set at the heating water thermostat. Accordingto the pump
operatingmode,the circulation pumpoperates constantly (factorysetti1'19)
or only parallel to the burner control with/without run-on period.
Select this setting .!!iT when connecting control accessories.
Emissionstest mode:
Theemissionstest modeis activated by rotating the program selector into
position
i.
A dot illuminates between the heating water temperature
indication on the LCD display,whilst the system is in emissionstest mode.
The program selector returns automatically to winter mode when it is
released.Afteremissionstest modehas been activated, the boiler heats to
the temperatu re set at the heating water thermostat without modulation
or to the maximumheating water temperature adjusted via parameter no.
8. Any previous cycle block will be cancelled. The red dot between the
heating water temperature indication extinguishes when emissionstest
mode ends. In conjunctionwith DRT / DWT / DWTM / DWTK, the emissions
test symbolwill be transferred to the function display.Activationonlyon
the boiler.
°,
DHWtemperature selection
When gas-fired condensing boilers are combined with a DHWcylinder,
setting
1-9
corresponds to a cylinder t emperature of
15-70
°c.
°,
Heating water temperature selection
The setting range 1-9 correspondsto a heating water temperature of
20-75 (85)°C.Thesetting on the heating water thermostat willbecome
ineffective when the system is used in conjunction with a digital room
thermostat or a weather-compensated controller.
Pressure di~play
This indicates the water pressure in the heating system. In normal
operation, the water pressure should be between 1.5-2.5 bar.
In summer mode, the circulator pump operates for approx. 30 seconds after
a maximum idle period of 24 hours.
Aburner start-up delay isintegrated to avoidfrequent burnerstarts during
the heating mode.The cycle blockcan be adjusted from 0-30 minutes.
7
~
Program
selector
Setting
or
.:=u
11\
Setting
m-