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19
This function will allow you to change the temperature setting
until the start time of next program period.
Press the UP or DOWN button to manually adjust to the desired temperature
setting
.
NOTE:
The temperature can be set in increments of 0.5 °C or 0.5 °F .
The temperature setting range is from 41° to 95 °F (5° to 35 °C).
Press and hold the UP or DOWN button down to accelerate the setting.
The thermostat will automatically return to the regular program
at the next scheduled program period
.
If the High-Limit function is activated, the user can’t set the temperature over this limit.
1
2
1
Temperature Override
HOLD Function
This function maintain
s
a constant temperature
,
and disables temperature program periods
.
Press the HOLD button once
to enter the HOLD mode
. (HOLD symbol will
appear
)
(*
When HOLD is activated, you may manually adjust the temperature by pressing UP or DOWN.
However, all programs will be disabled. If no temperature changes are manually selected, t
he
current
temperature
setting
will remain the same indefinitely)
To CANCEL the HOLD function, press the HOLD
button again.
The
HOLD symbol will disappear
.
Summary of Contents for HTM621
Page 4: ...Installation instructions 2...
Page 11: ...9 Programming...