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Controller interface ············································································· 8
Buttons ···························································································12
Icons ······························································································14
Screen selection ···············································································18
Group selection ················································································19
Operation screen (GROUP screen) ·······················································20
Operating the Air conditioning unit group • Air To Water (PWFY) group ····················20
Operating the LOSSNAY group ·······································································26
Operating the general equipment group ····························································26
Multiple group selection screen ···························································27
Disabling functions ············································································27
Operation setting ···············································································30
Restriction settings ···········································································44
Control panel ····················································································50
System Management ·········································································56
Maintenance
Touch panel cleaning screen ·······························································60
Troubleshooting
2
Safety Precautions
• Thoroughly read the following safety precautions before using the unit.
• Observe the following precautions to ensure safety.
3
WARNING
6
CAUTION
8
• Nomenclature
10
(Prohibited
(Do not touch)
12
actions)
• After reading this manual, pass it on to the end user to retain for future reference.
• Keep this manual for future reference and refer to it as necessary. This manual should be made available
to those who repair or relocate the controller. Make sure that the manual is passed on to any future
18
TC-24B users.
All electric work must be performed by qualified personnel.
General precautions
WARNING
Do not install the unit in a place where
large amounts of oil, steam, organic
solvents, or corrosive gases, such
28
as sulfuric gas, are present or where
acidic/alkaline solutions or sprays are
30
used frequently. These substances can
compromise the performance of the unit
or cause certain components of the unit to
corrode, which can result in electric shock,
malfunctions, smoke, or fire.
To reduce the risk of shorting, current
60
leakage, electric shock, malfunctions,
smoke, or fire, do not wash the controller
with water or any other liquid.
61
CAUTION
To reduce the risk of fire or explosion,
do not place flammable materials or use
flammable sprays around the controller.
Indicates a risk of death or serious injury.
Indicates a risk of serious injury or structural damage.
(No water)
(No wet hands)
(Electric shock
hazards)
To reduce the risk of electric shock,
malfunctions, smoke or fire, do not operate
the switches/buttons or touch other
electrical parts with wet hands.
To reduce the risk of injury or electric
shock, before spraying a chemical around
the controller, stop the operation and cover
the controller.
To reduce the risk of injury or electric
shock, stop the operation and switch off the
power supply before cleaning, maintaining,
or inspecting the controller.
Properly install all required covers to keep
moisture and dust out of the controller.
Dust accumulation and water can cause
electric shock, smoke, or fire.
To reduce the risk of damage to the
controller, do not directly spray insecticide
or other flammable sprays on the controller.
(Injury hazards)
(Important
actions)
3
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