Installation manual

60
Option 71 - Random start rules (24V/230 Volt models only)
This enables a random start on pow-
er-up following a power cut to reduce
load on the electrical network.
Random delay is in the range of 2-90
seconds. Press + until Option 71 is
displayed, use ‡ & ˆ to select
required setting.
Setting 0 Disabled (factory setting)
Setting 1 Enabled
Option 72 - Owner site reference number
This enables multi-site owners
to store a site reference
number in the thermostat.
Press + until Option 72 is
displayed, use ‡ & ˆ to
select required setting.
Setting Any value between 00 and 99 can be set
Factory setting is 00
Option 73 - Owner thermostat reference number
This enables site owners to store a
thermostat reference number in the
thermostat. Press + until Option 73
is displayed, use ‡ & ˆ to select
required setting.
Setting Any value between 000 and 999 can be set
Factory setting is 000
Option 74 - Date format for calendar clock
This allows date format to be
chosen. Press + until Option
74 is displayed, use ‡ & ˆ to
select required setting.
Setting 0 European format (dd/mm/yy), (Factory setting)
Setting 1 North American format (mm/dd/yy)
Option 81 - Thermostat calibration bias
This allows the thermostat calibration
to be biased by up to ±1.5°C. Press
+ until Option 81 is displayed, use
‡ & ˆ to select required setting.
Setting Any value between ±1.5 in 0.5°C steps
(Factory setting is 0°C)
Option 90 - Define remote sensor type, “A” models only
This allows type of remote
sensor input type to be defi
ned. Press + until Option 90
is displayed, use ‡ & ˆ to
select required setting.
Setting 0 No remote sensor fitted (Factory setting)
Setting 1 Remote room or duct sensor fitted, internal sen-
sor disabled,
Setting 2 Remote limit sensor fitted, refer to option 93 to
define set-point
Setting 3 Configured as digital input for window, card
reader or teleswitch, refer to option 94 to define
o/c or s/c.
Setting 4 4 hours
Option 93 - Set limit sensor set-point, “A” models only,
(option 90 set to 2)
This allows the thermostat limit sen-
sor to be set, typical application is fl
oor heating. Press + until Option 93 is
displayed, use ‡ & ˆ to select
required setting. If the temperature
sensed by the limit sensor exceeds
the limit setting the output will be
turned off until the temperature
has dropped by 2°C. “F10” will flash
in the display while the output is
disabled.
Setting Any value between 20 - 50°C (Factory setting
is 27°C)
Option 94 - Configure digital input switch type, “A” models
only, (option 90 set to 3)
This allows switch type of
digital input to be configured.
Press + until Option 94 is dis-
played, use ‡ & ˆ to select
required setting.
Setting 0 Contacts NC, open circuit contact to force unit
into thermostat mode, short circuit contacts to
return to normal operation
Setting 1 Contacts NO, short circuit contacts to force unit
into thermostat mode, open circuit contacts to
return to normal operation (Factory setting)
Programmable room stat