7
Installa
tion Instruc
tions
GB
Option 33 - Enable On at upper limit
This enables an
ON
function to be selected if a set
point above the upper limit is selected. Press
+
until
Option 33 is displayed, use
V
and
Λ
to select required
setting.
Setting 0
Disabled (factory setting)
Setting 1
Enabled
Option 34 - Select on/off or chrono-proportional cycle rate
This allows the thermostat to be set to run in on/off
mode or for a chrono-proportional cycle rate to be
selected. Press
+
until Option 34 is displayed, use
V
and
Λ
to select required setting.
0
On/Off
3
3 cycles per hour
6
6 cycles per hour (factory setting)
9
9 cycles per hour
12
12 cycles per hour
Option 35 - Set integration time (seek advice prior to adjusting)
(Option 34 set to 3, 6, 9 or 12)
This adjusts the integration time of the PI
algorithm to increase control accuracy. It should
only be adjusted after seeking advice from the
manufacturer. Press
+
until Option 35 is displayed,
use
V
and
Λ
to select required setting.
2.5
Integration time set to 2.5% (factory setting)
5
Integration time set to 5%
10
Integration time set to 10%
Option 36 - Set temperature override rule
This establishes the degree of temperature override
available to the user. Press
+
until Option 36 is
displayed, use
V
and
Λ
to select required setting.
Setting 0
No limit (factory setting)
Setting 1
Limited to ±2°C
Setting 2
No override allowed