User Controls - UTICA BOILERS MAC-205 User's Information Manual

3.1 USER CONTROLS

BUTTON Explanation:
DHW temperature adjustment
(+ to increase the temperature and – to decrease it)
Heating water temperature adjustment
(+ to increase the temperature and – to decrease it)
Boiler operating information
Operating mode:
DHW – DHW & Heating – Heating Only
Off – Reset – Exit menu/functions
SYMBOL Explanation:
Off: Heating and DHW disabled
(only boiler frost protection is active)
Ignition fault
Boiler/system water pressure low
Call a qualified service technician
Manually resettable fault
Fault in progress
3.2 CENTRAL HEATING SYSTEM PRESSURE
Regularly check the pressure displayed on the pressure
gauge "B" is between 14.50 and 21.76 psi (1.0 - 1.5 bar),
with the boiler cold.
If the pressure is less than 14.50 psi, or higher than 21.76
psi
call an authorized SERVICE technician.
3 - CONTROL
Burner lit
DHW operating mode enabled
Heating mode enabled
Programming menu
Boiler information menu
Set unit of measurement
4
P/N 240011945 Rev. A [01/01/18]