Toshiba BMS-IFWH4E2 INSTALLATION MANUAL
INSTALLATION MANUAL
ENERGY MONITORING RELAY
INTERFACE
BMS-IFWH4E2
• 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
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. Ask the customer to keep this
Installation Manual together with the Owner's Manual.
WARNING
• Ask an authorized dealer or qualified installation professional to install or reinstall the relay
interface.
Improper installation may result in electric shock or fire.
• Turn off the main power supply switch or breaker before attempting any electrical work.
Make sure all power switches are off. Failure to do so may cause electric shock.
• Perform installation work properly according to this Installation Manual.
Improper installation may result in electric shock or fire.
• Do not modify the unit.
Any modification may cause a malfunction, resulting in overheating or fire.
CAUTION
• Perform wiring correctly in accordance with the specified current capacity.
Failure to do so may result in short-circuiting, overheating, or fire.
• Connect the specified cables for the terminals securely to prevent external forces from
affecting them.
Failure to do so may result in disconnection, overheating, or fire.
1
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.
• Specifications
Power supply
Power consumption
Operating temperature/
humidity
Storage temperature
Chassis material
Dimensions
Mass
External View
1818 53.5 103.5
Grommet for
power input
220 - 240 V, AC 50/60 Hz
2.8 W
0 to 40°C, 10 to 90% RH
-20 to +60°C
Galvanized sheet metal 0.8t
66(H) x 193(W) x 246(D) mm
1.65 kg
234
Power meter
input
Input type
Input point
Input registance
Input "ON" current
Input pulse
condition
1818
Grommet for
power meter
92.5
(193)
photo-coupler
insulation
8 points
9 k ohm
1 mA
50 m - 1000 m sec
220
246
Grommet for
RS-485
64.5
63.6
2
Before Installation
Check the following package contents.
No.
ENERGY MONITORING RELAY
1
INTERFACE
2
Installation Manual
3
Screw
4
Pin terminal
Item
Quantity
1
1
4
2
Remarks
M4 x 12mm tapping screws
Use the following wiring materials to connect signal lines and power lines. (Procured on site)
No.
1
2
3
Line
For RS-485
For connection to power meter
For power
Type
Wire size
Length
Type
Wire size
Length
Type
Wire size
2-core shield wire
1.25 mm2, 500m max. (total length)
2-core wire
0.3mm
H07 RN-F or 245IEC66
0.75mm
Description
2
, 100m max.
2
, 50 m max.
3
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