7.3
FOR SERVICEMAN Menu
FOR SERVICEMAN
allows installers to input the system configuration and set
the system parameters. To enter
FOR SERVICEMAN
, go to
MENU
>
FOR
SERVICEMAN
.
Enter the password, using
◄
►
to navigate between digits and using
▼
▲
to
adjust the numerical values, and then press
OK
. The password is 234. Refer to
Figure 3-7.2.
Figure 3-7.3: FOR SERVICEMAN menu
7.4
DHW MODE SETTING Menu
7.4.1
DHW MODE SETTING menu overview
MENU
>
FOR SERVICEMAN
>
DHW MODE SETTING
In
DHW MODE SETTING
the following parameters should be set.
DHW MODE
enables or disables DHW mode. For installations with DHW tanks,
select
YES
to enable DHW mode. For installations without DHW tanks, select
NON
to disable DHW mode.
TANK HEATER
sets whether or not the domestic hot water tank has an
immersion heater and, if it does, whether or not it is to be controlled by the
M-Thermal Mono unit.. If the DHW tank does not have an immersion heater,
select
NON
. If the tank has a heater and it is to be controlled by the
M-Thermal Mono unit, select
YES.
If the tank has a heater but it is not to be
controlled by the M-Thermal Mono unit, select
NON.
Note: If
YES
is selected, the M-Thermal Mono unit’s backup electric heater (if installed) is not used in DHW mode.
DISINFECT
sets whether or not the disinfection operation is performed.
DHW PRIORITY
sets whether domestic hot water heating or space heating takes priority. If
NON
is selected in the
DHW
PRIORITY
mode, when it is available and the space heating/cooling is
OFF
, the heat pump will heat the water as required.
If space heating/cooling is
ON
, the water will be heated as required only when the immersion heater is available.
DHW PUMP
sets whether or not the DHW pump is controlled by the M-Thermal Mono unit. If the DHW pump is to be
controlled by the M-Thermal Mono, select
YES
. If the DHW pump is not to be controlled by the M-Thermal Mono unit,
select
NON
.
Figure 3-7.2: FOR SERVICEMAN password screen
Figure 3-7.4: DHW MODE SETTING menu
1
Notes:
1. When
NON
is chosen for
1.1 DHW MODE
,
only menu item
1.1 DHW MODE
is displayed
and menu items 1.2 to 1.5 are hidden.
66