Polyaire Zonemaster ZoneTouch V2 - 6.9 Power-On Sequence; 6.10 Install Backup Battery; 6.11 Reassemble Modules; 6.12 Record Configuration Details

ZONEMASTER ZONETOUCH V2 ZONE CONTROL SYSTEM - Installation Manual
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 6.9 Ifbothtransformers(mainmoduleandextension
  module)sharethesamepowerswitch,switchthe
power on. (IMPORTANT NOTE) If NOT, switch on
  thepowertoextensionmodulerst.Thenturn
on the power to main module.Otherwise,the
  extensionmodulewillNOTbeinitializedproperly.
  CircularRedLEDonthemainmodule(and
  extensionmodule)shouldbeonandthesystemwill
  startinitializing&nishinabout30secondsafter
power on.
6.10 Install the battery as shown in the picture on the
main control module. It is recommended to install
the battery after power is on. Otherwise the system
  maynotbeinitializedproperlyduetothelow
  voltageofthenewbattery.
 6.11 Replacethesidecoversbackonthemaincontrol
  andextensionmoduleoncenishedsettingand
commissioning.
6.12 Recordthegroupedzonesandbalancingdetails
  onthestickerotheMainControlModuleafter
commissioning the system.
6.13 FittheTouchScreen to wall
Theplasticcasingofthetouchscreenconsistsoftwohalves.Thefrontcover
  containsthePCBboardalongwiththeLCD/touchscreen.Thebackcover
  attachestothewallasamountingbase.Duringtheinstallationprocessthecase
  willhavetobeopenedtomountthetouchscreenonthewall.Followthesteps
  belowtocarefullyinstallthetouchscreentothewall:
  a) Slidetheback
basetobottomsidetoclearthestopsonthefrontcover
  b) Removethebasefromthefrontcover
c) Position thebackbaseonthewallwherethecableis(about1.5mhighfrom
   theoor).Ensureitisawayfromanyheatorcoolsourceandmarkthecable
hole and screw holes.
NOTE: The correct back cover direction is marked on its surface; follow that
  markwhenxingthebackcover.