Operating Instructions and Installation Instructions

ULTRAMAX PB 65 - 120
38 L290 ©MHS Boilers 13/12/2010
12.0 Clock Function
The timer must be set to the correct time in order to provide the correct heating program operation. The
current time is set as described on the previous page (Parameterisation End User).
12.1 Effect
Clock is set to the current time. The correct setting is important to ensure that the heating and domestic hot
water program can function properly.
Notes
Clock continues to run during the adjustment process. During the clock adjustment process, each activation
of
Resets the second zero.
12.2 Description of Domestic Use Water Provision
The provision of domestic use water can be switched on or off independently from the other operating
models.
12.3 Operating Mode
The domestic use water operating mode is turned ON or OFF by activating the domestic use water provision
button
12.4 Effect
A bar below the domestic use water symbol indicates domestic use water provision turned ON ,
Domestic hot water is provided automatically according to the internal specifications. No domestic hot water
production is indicated by the removal of the bar below the domestic use water symbol.
13.0 Function upon Attached Room Device QAA73 (Accessory)
If a room device (QAA 73) is connected to the Ultramax PB, all functions supported by it are either locked out
or blocked out by the AGU2.311 panel. These are, for example:
Clock setting at AGU2.311 operating panel (display only).
Timer programs.
Target values.
Parameterisation via the operating panel is still possible!