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INSTALLATION MANUAL
ENERGY MONITORING RELAY
INTERFACE
BMS-IFWH 4 E 2
• Thank you very much for purchasing this TOSHIBA Energy Monitoring Relay Interface.
• Please read this manual carefully beforehand for proper installation of the relay interface.
CONTENTS
Precautions for Safety .................................................................................................................... 1
Introduction ..................................................................................................................................... 2
Before Installation .......................................................................................................................... 3
1 Installation.................................................................................................................................... 4
2 Connection of Power cables/Earth wires/Signal wires ........................................................... 5
3 Setting .......................................................................................................................................... 8
4 Trial Operation Check ................................................................................................................. 9
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Summary of Contents for Toshiba BMS-IFWH4E2
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Page 1: Table Of Contents
ENERGY MONITORING RELAY INTERFACE BMS-IFWH 4 E 2 • Thank you very much for purchasing this TOSHIBA Energy Monitoring Relay Interface. • Please read this manual carefully beforehand for proper installation of the relay interface. CONTENTS Precautions for Safety ........................1 Introduction ............................. -
Page 2: Precautions For Safety
Precautions for Safety • Read this “Precautions for Safety” carefully before installation. • The precautions described below include important items regarding safety. Observe them without fail. • After the installation work, perform a trial operation to check for any problem. Follow the Owner's Manual to explain how to use and maintain the unit to the customer. -
Page 3: Introduction
Introduction nApplications/Functions/Specifications Applications/Functions/Specifications • Applications The Energy Monitoring Relay Interface is used to measure and distribute the power of the air conditioner. • Functions The interface calculates output power pulses with connected power meters, and then sends the calculation result to the Touch Screen Controller. •... -
Page 4: Before Installation
Before Installation Check the following package contents. Quantity Remarks Item ENERGY MONITORING RELAY INTERFACE Installation Manual Screw M4 x 12mm tapping screws Pin terminal Use the following wiring materials to connect signal lines and power lines. (Procured on site) Line Description Type 2-core shield wire... -
Page 5: Installation
Installation Energy Monitoring Relay Interface Installation Method and Orientation There are five installation methods for this relay interface as shown below: surface mount and wall mounts. Use the attached screws. No good REQUIREMENT Do not install the unit in any of the following places. •... -
Page 6: Connection Of Power Cables/Earth Wires/Signal Wires
Connection of Power cables/Earth wires/ Signal wires CAUTION The RS-485 signal wire has polarity. Connect A to A, and B to B. If connected with incorrect polarity, the unit will not work. REQUIREMENT Disconnect the appliance from the main power supply. This appliance must be connected to the main power supply by a circuit breaker or switch with a contact separation of at least 3mm. - Page 7 Connection of Power cables/Earth wires/ Signal wires (continued) Wiring Connection The following describes wiring connections of the Energy Monitoring Relay Interface when it is used in the air conditioner control system. • Terminator resistor setting Set the RS-485 terminator resistor by the TCS-NET Relay Interface. Do not set it by the Energy Monitoring Relay Interface.
- Page 8 Connection of Power cables/Earth wires/ Signal wires (continued) Connection diagram TCS-NET RELAY INTERFACE DI 1 Power meter 1 DI 2 Power meter 2 DI 3 Power meter 3 ADDRESS DI 4 Power meter 4 Power meter 5 DI 5 Power meter 6 DI 6 Power meter 7 DI 7...
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Page 9: Setting
Setting Address set switch 1 - 4 Address 1 2 3 4 0,5 - F Not used Operating mode set switch (0 usually) Test switch (all OFF usually) Test switch Reset switch LED1 Power indicator LED2 RS-485 communication status indicator LED3 Not used LED4... -
Page 10: Trial Operation Check
Trial Operation Check Before starting trial operation Turn on the power of the Energy Monitoring Relay Interface after all wire connections and settings are completed. Turn on power of the air conditioning control system. Trial operation • Confirming connection to power meters In the test mode, when the external inputs connected to the input terminals DI-1 to DI-8 are ON, the respective LEDs will goes on so you can confirm the connection. - Page 11 Memo...
- Page 12 DH69509102...