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REV. 02
BOX CONTENTS
TCB-LDS Product Installation Manual
For Commercial Use
• Ensure that all Local, National and International regulations are satisfied.
• Read this “PRECAUTIONS FOR SAFETY” carefully before installation.
• The precautions described below include the important items regarding safety. Observe them without fail.
• After the installation work, perform a trial operation to check for any problem.
• Read this Manual to explain how to use and maintain the unit.
• Turn off the main power supply switch (or breaker) before the unit maintenance.
• Ask the customer to keep this installation owner’s manual.
PRECAUTIONS FOR SAFETY
Wiring Schematic For FCU's Not Requiring Option Accessory TCB-PCUC2E
Wiring Schematic For FCU's Requiring Option Accessory TCB-PCUC2E
NOTES
1. To be EN378:2016 compliant, the leak detection sensor must be powered from a separate
power source to that of the FCU.
2. If EN378:2016 compliance is not required, it is possible to power the sensor direct from
CN61 of the indoor PCB, using the supplied wiring loom.
3. When using the External power supply option TCB-LD12V, please refer to
the installation diagram supplied with the product.
4. Power supply wire and interconnecting wires are procured locally.
5. Using the specified wires, ensure to connect the wires and fix wires securely, so
that the external tension to the wires does not affect the connecting part of the terminals.
Incomplete connection or fixation may cause a fire, etc.
6. Be sure to connect earth wire (grounding work) on indoor PCB. Incomplete grounding
causes an electric shock. Do not connect ground wires to gas pipes, water pipes, lightning
rods or ground wires for telephone wires.
7. Appliance shall be installed in accordance with national wiring regulations.
Capacity shortage of power circuit or incomplete installation may cause an electric shock
or a fire.
OPTIONAL VING CARD SETUP PROCEDURE
SWITCH TO POSITION -UNIT STARTS (e.g. KEY CARD INSERTED)
SWITCH TO POSITION -UNIT STOPS AND REMOTE CONTROLLER
ON/OFF FUNCTION IS LOCKED (e.g. CARD REMOVED)
NOTE: JUMPER 01 TO BE CUT ON INDOOR UNIT MAIN PCB BOARD
1
2
• PCB with mounted sensor
• White plastic or stainless steel facia depending on model purchased
• 1 x wiring loom for CN80 and CN61 connection (inc optional ving card connection)
• 1 x Installation manual (9 languages)
ASSOCIATED PART NUMBERS
1. TCB-LDS1 - Refrigerant leak detector with white plastic facia
2. TCB-LDS2 - Refrigerant Leak detector sensor with stainless steel facia
3. TCB-LDSBB1 - White, plastic dry lining box, for mounting the LDS1/2 into a dry line cavity wall.
4. TCB-LDSBB2 - Galvanised Steel Knockout Box, for mounting the LDS1/2 into a concrete wall.
5. TCB-PCUC2E - Application control kit
6. TCB-LD12V - 12V transformer supply
DISCLAIMER
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.
