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Table 1
ITEM
Select user preferred units.
If required, change the preset target temperature of
the controller to the value required to adequately
heat the building and supply all the domestic hot
water needs of the user. Tank water temperature
target set point. temperature is factory set at 80°C
(175°F). Increasing the tank water temperature will
increase the amount of energy available for
supplying heating and domestic hot water demand.
Select the tank temperature drop required to stop
the space heating pump during space heating
demands. Once the tank temperature will have
dropped by the selected value, the circulating pump
will be turn OFF momentarily until the tank water
temperature is return to normal.
NOTE : Once operating values have been set, the controller will save them and return to normal operation
display. The user can change the tank water temperature set point without accessing the configuration
menu (see section 4.7)
4.7 USER ADJUSTED TANK
TEMPERATURE SET POINT.
The tank temperature set point can be adjusted
without accessing the configuration menu or
changing the installer original set-up.
By using the rocking keys
Depressing one of the keys will cause a flashing
"0" to be displayed. This zero indicates that the
"user" differential value is zero. By using the
"+" or "-" keys, the user can
input a temperature differential between the
installer set point and the actual operation set
COMBOMAX™ Installation, use and care manual
DESCRIPTION
.
(Revision Sept. 2013)
CHOICE
0
F
or C
65C° to 88°C
(150°F to 190°F)
0FF, 3°C to 20°C
(5°F to 40°F)
differential
point. The maximum user differential is ± 5°C
(10°F).
The new user differential value will be display,
flashing for 5 sec. before the LCD return to
normal operation display.
Once completed, the new user differential value
will be display in a flashing mode every time the
rocking keys
,
DEFAULT
0
0
F
80°C
(175°F)
5°C
(10°F)
are depressed.
14.
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