Backlight
Any key press will activate the backlight. Backlights
will timeout 8 seconds after last key press. When
in Installer Set-up and Installer test mode, the
backlight will timeout 60 seconds after last key
press.
Keypad lock
Keypad lock can be set in ISU with default status
is all keys available. You may change into mode
button locked out, Fan and mode buttons locked out
and All buttons locked out by changing the ISU.
TEMPERATURE
SETTING
PRESS THIS BUTTON TO
RAISE THE TEMPERATURE
SETTING
PRESS THIS BUTTON TO
LOWER THE TEMPERATURE
SETTING
Ventilation mode
Press mode button to enter ventilation mode. In
ventilation mode, no output for valve while the fan
will operate according to selected fan speed.
Energy saving mode
A potential-free dry contact (such as hotel key
card) or button press (pressing mode button for
continuous 3 seconds) can activate the energy
saving mode with
icon appearing on screen.
The dry contact can be selected as normal open or
normal close type in ISU.
If activated by dry contact, all buttons will be locked
except the multi-key for ISU. If energy saving is
activated by button press, then any following button
press will stop energy saving mode.
For heating mode, if the energy saving function is
enabled, the setpoint will change to remote setback
heating setpoint. The range of remote setback
heating setpoint is from 10
o
C to 21
o
C and default
value is 18
o
C. The value may change in ISU with
step of 0.5
o
C.
For cooling mode, if the energy saving function is
enabled, the setpoint will change to remote setback
cooling setpoint. The range of remote setback
cooling setpoint is from 22
o
C to 32
o
C and default
value is 26
o
C. The value may change in ISU with
step of 0.5
o
C.
Operating modes
The following operating modes are available:
Comfort mode
In comfort mode, the setpoint can be changed by
pressing up and down button. Different applications
include cool only, heat only and manual heat/cool
changeover.
INDICATES THERMOSTAT
HAS BEEN SET TIME OFF
APH07CH04
-
R2001EN
Time on/off
If the thermostat is off, hold power button for 3
seconds, system will be time on mode. If the
thermostat is on, hold power button for 3 seconds,
system will be time off mode.
The setting range is from 0 to 12 hours. The step is
0.5 hour with the default time is 0.
