Product Connection Diagram - Toshiba Carrier BMS-SM1280HTLUL Service Manual

7

PRODUCT CONNECTION DIAGRAM

BMS-IFWH5UL • BMS-IFDD03UL (Energy Monitoring Relay Interface, Digital Input / Output Relay Interface)
Installation Method and Orientation
There are five installation methods for this relay interface
as shown below: surface mount and wall mounts.
7-1. Energy Monitoring Relay Interface (BMS-IFWH5UL)
Connect power cables, earth wires, and communication cables to the specified terminals on the terminal block.
Connect the Secure each cable with a
earth wire to the cable clamp.
earth terminal on
the chassis.
Remove the grommet from the power
supply wire hole. Attach the conduit
pipe to the plate with a lock nut.
Use 1/2 inch conduit pipe.
Lock nut
Conduit pipe
Power supply wire hole
(Ø7/8" (22.2))
No good
To connect 2 cables, change the
preset cable clamp to the
provided one and fix the cables
with the cable clamp as shown in
the figure.
Smart Manager
Power meter
Power
supply
120 VAC,
60 Hz
Length of stripped Length of stripped
power cable communication cable
1.38"
(35) 0.39" (10)
2.17" 0.39" (10)
(55)
Insert the wire by pushing
the lever with a
screwdriver.
Check that the wire is
inserted securely.
18
Installation Space and Maintenance Space
A side space for connecting through cable inlets
and an upper space for maintenance must be
reserved before installation. The other sides can be
adjacent to surrounding objects.
1.38"
(35)
0.24" (6)
When inserting two RS-485
communication cables into a single
terminal for connection to another
interface, crimp them using the
attached pin terminal.
3.94"
(100)
7.87"
(200)
LED4 LED2
SW7
LED5 LED3 LED1
SW3 SW2 SW1
1 2 3 4
SW6 SW4
Length of stripped
power meter wire
1.38"
(35) 0.24" (6)