ATW INDOOR UNIT OPTIONAL PARTS
2 ZONE KIT
PAC-TZ02-E
WARNING
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INSTALLATION MANUAL
If Cylinder unit (Hydrobox) has already been connected to the power supply, ensure circuit breaker is off before carrying out
electrical work.
If the 2 zone kit is installed incorrectly or modified after installation by the user, water may leak or 2 zone kit may fall from
Cylinder unit or wall.
All installation should be performed by a qualified technician according to local regulations and the instructions given in this
manual.
Connections must be made securely and without tension on the terminals.
CAUTION
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The 2 zone kit must be installed by 2 or more people.
All exposed water pipework should be insulated to prevent unnecessary heat loss and condensation.
To also use the 2 zone kit in Cooling mode, securely apply heat-insulation to draining pipework. If heat-insulation is
inadequate, condensation could occur on the surface of pipes and dew could drop on the floor or important goods.
To prevent dirty water from draining onto the floor next to Cylinder unit or under Hydrobox, please connect appropriate
discharge pipework from the 2 zone kit to its disposal location.
Secure 2 zone kit to prevent it from falling.
Do not hold piping or drain socket when moving the 2 zone kit.
Avoid the connection of piping or drain socket from damage. Otherwise, it may cause water leakage.
To prevent incorrect installation, please connect the flexible hose at the bend radius of 150 mm or more.
The water flow rate between the Cylinder unit (Hydrobox) and the 2 zone kit must be greater than the total flow rate of Zone1
and Zone2. Otherwise, Zone1 and Zone2 may not be heated properly.
● This 2 zone kit MUST be used with Cylinder unit or Hydrobox
except for E*SE models
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● Before starting installation, read the following description together with the installation manual included with the Cylinder unit (Hydrobox).
● Please read carefully and observe fully the following safety precautions.
Precaution that must be observed to prevent injuries or death.
WARNING
After installation, carry out a test run to ensure correct operation, then explain operation method and safety precautions to the
end user.
Tell your customers to keep this installation manual, and when they give or sell this machine to any other person include this
installation manual with it.
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Incorrect handling could lead to injury or damage to house and household articles.
CAUTION
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