6 720 646 804
Operating Instructions
19
4.1.2
Description of LCD display
Fig. 15
1 Peak load shifting mode 1
Under this mode
will be illuminated. Heat pump
mode will run and users can set water temperature. This
mode will only appear when used in conjunction with a
Demand Response module (not available on this
model).
2 Peak load shifting mode
Under this mode
will be illuminated. Heat pump
mode will run and users cannot set water temperature.
The water temperature is set to be 110°F. This mode
will only appear when used in conjunction with a
Demand Response module (not available on this
model).
3 High temperature setting
If the temperature set by user or actual temperature is
above 120°F, this icon will be illuminated. It will not illu-
minate when the temp is
120°F or the unit is closed or
under screen saver mode.
4 Lock icon
It will be illuminated when the control pad is locked, and
will be out when the pad is unlocked.
5 Alarm icon
It will flash when there is an error status or the unit is
under protection mode. In addition an alarm indicator
will buzz, and it will cease when the error or protection
is stopped.
6 Vacation mode icon
Reduces the required electrical energy during the
absence period.
Green light is illuminated when feature is on.
7 Auto mode icon
Illuminates when the unit is on auto mode and extin-
guishes when the unit is not under auto mode.
Note: when the unit is on auto mode this icon will flash
slowly.
8 Economic mode icon
Illuminates only when the unit is on Economic mode.
Note: when the unit is on Economic mode this icon will
flash slowly.
9 Electric mode icon
Illuminates only when the unit is on electric heat mode
and will be emitted when the unit is not on electric heat
mode.
Note: when the unit is on electric heat mode this icon
will flash slowly.
10 Water temperature mode icon
There are 3 phases
• When 140°F
TS
120°F, all 3 phases will be illu-
minated.
• When 120°F
TS
110°F, lower 2 phases will be
illuminated.
• When 110°F
TS
100°F, lowest phase will be illu-
minated.
Note: TS is preset water temperature.
11 Parameter display
This icon illuminates when power supply is connected
and normally shows water temperature. When there is
an error or protection, it will show error code or protec-
tion code. When error or protection stops, it will show
water temperature again. When using the "query" func-
tion will show unit parameters.
12 Vacation time and diagnostic display
This icon is for setting the number of days for vacation
mode and is also used as a indicator when in diagnos-
tic function.
SET TEMP
AUTO
ELEC.
ECO
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