7
M.4.To cancel manually selected EMERGENCY HEAT, press EM/HEAT button for a second
time
M.5.When EMERGENCY HEAT cancels the thermostat stays in HEAT mode. To return
thermostat to full automatic operation press MODE button repeatedly until AUTO appears
on the mode display
N)
SELECTING
FAN
SPEED
SETTING
!
Reminder - Applies only to HC8000 series 3-speed fan models
N.1. To change fan speed, press FAN-SPEED button. Bars on the fan symbol of the LCD
indicate the selected fan speed
O)
REPLACING
BATTERIES
IN
BATTERY
POWERED
MODELS
!
Reminder - Applies only to battery powered models
O.1. Batteries will normally last in excess of two years. When approaching the end of their lives
a “Low battery” symbol will flash on the LCD display. Batteries should be changed within 15
days to prevent the thermostat from shutting down
O.2. To replace batteries lower the battery flap and remove the batteries, replacing them with
good quality alkaline cells from a reputable manufacturer
N.3. During battery replacement the diplay will go blank but no settings will be lost as long as
the process is completed within a one minute period
!
Caution – dispose of old batteries in approved manner to avoid damage to the
environment
P)
RESETTING
THE
THERMOSTAT
MEMORY
P.1. To reset clock and re-start the thermostat’s micro-processor press the RESET button. After
doing this the clock time and day of week will need to be set. All other settings will have
been retained
P.2. To return the unit to “Factory” setting
a) Press and hold PROG button
b) Press and release RESET button
!
Caution – This action returns thermostat to factory settings: This should only be
carried out should the performance of the thermostat become erratic. This is only
likely to happen as a result of severe electro-magnetic interference such as a nearby
lightening strike
c)
When LCD display appears again, release PROG button. When this is done all user,
building owner and installer settings are returned to “Factory” settings and the unit will
require total re-programing
!
Warning – In some installations the building owner or the installer may have disabled
the reset facility to protect the system.
BUTTONS
LCD
DISPLAYS
65
F
Low battery indication
FAN SPEED /
3
3
3
3
3
Mode
70
A
UTO
F
68
A
UTO
80
EM HEAT /
3
3
3
3
3
RESET
PROG
RESET
plus
