Polyaire Zonemaster ZoneTouch V2 - 7.1.3 Supply Air Safety Limits

ZONEMASTER ZONETOUCH V2 ZONE CONTROL SYSTEM - Installation Manual
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7.1.3 Supply Air Safety High & Low Limits
Forsafetyreasons,thesystemcanmonitorthe supply air temperature. A
supply air sensor must be inserted at the supply air end of the AC and the other
  endistobeconnectedtotheMainmodule,asshownonPage7forthissafety
  functiontobeactivated.Ifthetemperaturemovesoutsidethesetlimits,all
dampers in the system will be forced open. The factory default setting for the
  safetycontrolis“disabled”.Itisoptionalforusingthisfunction.
a) Onthe‘Parameter’screen(Figure6),touch the radio button of high limit and low
limit to enable or disable safety function.
If the supply air sensor has not been installed or the supply air sensor is faulty
   a n d thereplacementsensorisnotavailableimmediately,thesystemcanstillrun
by disabling the safety function.
b) Highlight the high limit or low limit
   b y touchingtheediteldsaccordingly,
   a n d thenadjustthemtotherequired
   v a l u e bytouchingorbutton
   ( F i g u r e 10).
The adjustable range of the high limit
is from 45°C to 75°C and adjustable
range of the low limit is from 0°C to
   15 ° C . Thefactorydefaultvaluesare
60°C for high limit and 5°C for low limit.
NOTE: If the limits are reached,
‘Safety is Activated’ will be displayed
on the home screen (Figure 11). The
ON/OFF function of groups will be
disabled till supply air temperature
moves back within the limits or the
High Limit and Low Limit protection is
disabled (there is about one minute
delay after disabling the protection).
Check the air conditioning unit.
Figure 10.
Figure 11.