Toshiba TCB-LD1UPE Manual de usuario
Installation & Operation Manual
Leak Detector
TCB-LD1UPE
R32
English
11-EN
TOSHIBA R32 refrigerant leakage detector (Hereafter “Leak Detector”)
Thank you for purchasing this TOSHIBA Leak Detector.
Read the installation procedures before proceeding with installation.
In particular, please carefully read the “Safety Precaution”
* This Leak Detector is only for being combined with TOSHIBA Air conditioner.
After reading these instructions, be sure to keep them in a safe place.
CONTENTS
1Safety precaution ..............................................................................2
2 Specication......................................................................................5
3Accessory parts ................................................................................6
4Installation precautions....................................................................7
5Mounting ..........................................................................................12
6Self-diagnostics table .....................................................................15
7Set up ...............................................................................................16
8Operation .........................................................................................17
22-EN
1Safety precaution
• Before starting to install the air conditioner, read through the Installation Manual carefully,
and follow its instructions to install the air conditioner.
• Only a qualied installer or service person is allowed to do installation work. Inappropriate
installation may result in water leakage, electric shock or re.
Please understand the following details (instructions and symbols) before reading the body
text, and follow the instructions.
Indication Meanings of identication
WARNING The warnings indicate that if you fail to operate properly and follow the
instructions in the warnings, it may cause serious personal injury or death.
CAUTION The caution Indicates that if you fail to operate properly and, it may cause
serious personal injury or property damage. (*1)
*1: Property damage includes loss of buildings, family property, poultry, and pets.
WARNING
• Before carrying out the installation, maintenance, repair or removal work, set the circuit
breaker to the OFF position. Otherwise, electric shocks may result.
• Place a “Work in progress” sign near the circuit breaker while the installation,
maintenance, repair or removal work is being carried out. There is a danger of electric
shocks if the circuit breaker is set to ON by mistake.
• Wear protective gloves and safety work clothing during installation, servicing and
removal.
• This Leak Detector must be installed in accordance with National Wiring Regulations.
• Connect and x the specied cables for wiring securely.
• Do not allow the connection to be exposed to external force from the cables.
• Select an installation location which is rigid and strong enough to support or hold this
Leak Detector, and select a location for easy maintenance.
• Use only the parts specied by Toshiba Carrier Corporation supplied accessories.
• Disassembly and Modication of this Leak Detector is not permitted under any
circumstances.
• This Leak Detector must be installed by the sales dealer or installer.
• Repairs must be carried out only by the method specied by Toshiba Carrier Corporation.
• Only replace parts specied by Toshiba Carrier Corporation when replacing parts.
• Torch detectors (or other open ame detectors) should not be used when checking for
refrigerant leaks.
• This Leak Detector should be securely installed in accordance with this manual.
• In case of an abnormal condition (such as a burning smell), stop the indoor unit and turn
the breaker OFF.
• When devices that use ammable refrigerants are installed in unventilated areas, ensure
the refrigerants do not accumulate and present the risk of re or explosion, even in the
unlikely event that refrigerant does happen to leak.
• Do not operate wet hands.
• Do not splash water on the Leak Detector or use it in the bathroom.
33-EN
CAUTION
• Gases and vapours other than the target refrigerant gas, may cause semi-conductor
sensors to react.
Sensors exposed to silicon fumes may be permanently damaged. The accumulation of
volatile organic compounds resulting from human occupation in a poorly ventilated room
may cause inaccurate operation.
Adequate room ventilation should be maintained at all times.
• Ground yourself to discharge static electricity before performing any wiring.
• Do not install the Leak Detector in places with direct sunlight or where the ambient
temperature is more than 40°C or is less than 0°C. Follow 2.Specication
• The connecting cable must not touch piping directly.
• Install this Leak Detector horizontally.
• The warranty does not cover the product if it falls from an elevated location.
• Do not use the Leak Detector at the following locations. Because may lead to severe
decrease in functionality and damage to parts.
• Location where condensation occurs
• Location where ammable gases, etc. may leak
• Location where corrosive gases, etc. may leak
• Location with lots of water or oil droplets (including machine oil)
• Steamy locations
• Location where voltage uctuation frequently occurs
• Location where there is a machine producing electromagnetic radiation
• Location where droplets of organic solvents spread
• Location where acidic or alkaline solutions or special sprays are frequently used
• Locations where dust easily accumulates or Extremely dusty
• The semi-conductor sensor may react or malfunction if exposed to gases other than the
refrigerant gas or to steam. Accordingly, the following must be avoided when installing.
• Using in atmospheres where silicone gases (siloxane, etc.) may occur
The Leak Detector may malfunction or operate incorrectly if items such as adhesives,
hair products, rubbers, or putties with silicone in them are used in the vicinity of the
Leak Detector.
• Exposing to organic solvents/chloric gases Alcohols, VOCs, Chloric gases, etc., can be
the cause of malfunction or incorrect operation. Large amounts of organic solvents are
produced by paints, oor waxes, etc., when building or renovating structures, so
ensure the area is properly dried and ventilated before installing the Leak Detector.
• Polluting with alkaline metals (especially salt mist)
44-EN
Precaution for operation
WARNING
• Do not block the slit for gas detecting. (It will be unable to detect refrigerant leaks and
may result in a re.)
• Do not power off the air conditioner even if it is not used for a long time. The Leak
Detector will not operate.
• The buzzer starting to sound indicates that there has been a refrigerant leak. Ignition or
re may result as the concentration of refrigerant increases, so the area should be
ventilated and evacuated as quickly as possible.
• If a leak is suspected, all naked ames should be removed and extinguished.
• When someone may touch the air conditioner due to maintenance, etc., do not allow
spray to get onto the Leak Detector or use ammable gases near the Leak Detector.
Also make sure that the breaker is turned off when performing maintenance on the air
conditioner or Leak Detector.
• Do not use sprays or chemicals when cleaning.
55-EN
2Specication
Dimension 86W x 120H x 30D mm
Weight 0.11 kg
Temperature/humidity range 0°C to 40°C / 20% to 80% (no condensation)
*Indoor use only.
Power source DC 13 V to 18 V (Supplied from indoor unit)
Buzzer sound level 65dB (A) at 1 m
Parts name
120
86
12
3
Buzzer
Main PCB
Refrigerant
sensor
Sensor module
30
Rear
cover Case
Slit for buzzer
sound and
Gas detecting
4317
60
2 - 4.2 x 8.7
hole
1 Operation LED
If this LED is turning on green light, it indicates that the Leak Detector is power supplied
and running.
2 Malfunction LED
If this LED is turning on red light, it indicates that any problem is occurs. Details is referred in
“8.Operation”.
3 Alarm lamp (Buzzer sound stop button)
If the sensor detect refrigerant leakage, this lamp blinks and buzzer sounds a warning
sound.
Push this switch to stop warning sound, but this warning sound can not be killed unless
refrigerant density is decrease sufciency.
66-EN
3Accessory parts
No. Part name Image illust Quantity
1 Screws M4 x 25 2
2 Wood screw M3.8 x 16 2
3 Plastic stud 2
4Wire terminal 1 (Inner diameter
6.5 mm) for AWG22 ~ AWG16
Ø6.5
6
5Wire terminal 2 (Inner diameter
8.0 mm) for AWG20 ~ AWG14
Ø8.0
6
6 M3 washer 2
7 Connecting wire 3
8CD-ROM media manual
*Includes 24 languages of manual 1
9Installation & Operation Manual
(This manual) 1
X
X
X
Unit
X
X
or
to or
X
Do NOT install below
desks or shelves
Bathroom
Bed
Cupboard
Living Area
Do NOT
install near
windows
vents
Do NOT install next
below desks or mirrors
Do NOT install
inside bathrooms
Do NOT install next
to door openings
Do NOT install next to or
inside cupboard doors
Typical Hotel Application
77-EN
4Installation precautions
Installation locations
Refrigerants are signicantly heavier than air. Therefore in order for the sensor to operate as
effective as possible the refrigerant detector must be positioned at a low level inside the room,
where the indoor air conditioning unit is tted. See diagram showing recommend installation
guidelines.
• You need to observe the regulations of the local governments, state and country that govern
the installation of Leak Detector when installing the Leak Detector. You must ensure that
installation complies with all relevant rules and regulations.
Indoor Unit
Indoor Unit
Leak Detector
≦10 m*
≦300 mm ≦300 mm
h0
h0
88-EN
*It must be placed within a horizontal distance of 10 meters and on the wall in the room where
the indoor unit is installed. However, when it does not enter the eld of view on a straight line
from the Leak Detector, it is within 7 meters at the shortest horizontal distance without
obstacles and installed on the wall in the room where the indoor unit is installed.
• The alarm shall always be 15 dBA louder than the room background noise.
Leak detector can generate 65 dBA alarm. (Sound pressure level, measured at a distance of
1 m from the alarm.)
If the surrounding environment is noisy in a particular room, we recommend that you use an
external alarm (by local power supply) in that room.
• This Leak Detector has output terminals to external ventilation and an external alarm.
When taking safety measures using external ventilation or an external alarm, install
according to "Basic wiring diagram".
(298 mm or less)
CASE
Rear Cover
Floor
Wall
300 mm or less
50 mm
or more
50 mm
or more
50 mm or more
Floor
99-EN
• Install so the Leak Detector is within 300 mm of the oor. This is stipulated in regulations.
• Install this Leak Detector horizontally.
• Do not block the slit for gas detecting or place objects immediately in front of the gas
detector as this will mean leaks will not be detected.
• This Leak Detector should be mounted in a position where it can be easily accessed for
maintenance and repairs.
• Avoid the following locations for installation.
• By a window, etc. exposed to direct sunlight or external airow
• In the shadow or backside of objects deviated from the room airow
• Location where condensation occurs (The Leak Detector is not moisture proof or drip
proof)
• Location near heat source
• Uneven surface
• Location where there is a danger of mechanical damage being inicted on the Leak
Detector
• Location where there is a danger of the generation of contaminants such as silicone gases
(siloxane, etc.), organic solvents/chloric gases, etc.
• Do not install the Leak Detector in a place where smoke, chemical agent, or organic solvent
is present.
Do not use gas equipment using combustion gas (LPG etc.) such as propane, butane, or
methane, an insecticide, or sprays or paints containing siloxane, near the Leak Detector.
The refrigerant leak detection sensor operates mistakenly, causing the air conditioner not to
operate.
Refer to the installation instructions supplied with the outdoor unit for details about the
location for installing the Leak Detector.
• Keep a space around the Leak Detector as detailed on the gure shown below.
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