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3.
Connect Harness to Modules. Starting with module
#1, connect the module harness to each module that is
installed. Any harness connections that remain after all
installed modules are connected should be coiled and
secured above the last module.
Danger - Harness must be secured such that it
cannot come into contact with primary (line volt-
age) AC wiring.
4.
Set Module Interface Address. Set the rotary switch
on the Module Interface to the address as assigned in
the HomeWorks
Interactive
®
5.
Connect Communication Wiring. Connect the control
wiring to the processor communication link terminal
block on the lower end of the Module Interface board
(see Figure 3). The processor communication link must
be connected in a daisy chain configuration with a max-
imum total cable length of 300 meters (1000 ft.). Con-
nect terminals 1, 3 and 4 (Common, MUX, MUX) to the
4-position terminal block (see Figure 3). DO NOT con-
nect terminal 2 (+15V) because the Module Interface is
powered from the transformer inside its enclosure.
6.
Terminate the processor communication link on the
last Module Interface. If any of the Module Interfaces
are located more than 15.25 meters (50 ft.) from the
processor, the last Module Interface on the chain must
utilize a terminator across terminals 3 and 4. LT-1 termi-
nators that are included with the processor may be
used for this application (see Figure 3). If LT-1 termina-
tors are not available, a 1/4 Watt resistor between 100
and 150 ohms may be placed from terminal 3 to termi-
nal 4 to provide termination. Termination at the proces-
sor end of the chain is included on the processor board
so an LT-1 is not required.
7.
Connect Input Power. Connect the power input plug
(orange and white wires) into the control feed harness
that comes pre-installed in the enclosure (see Figures 1
and 2).
8.
(Recommended) Connect manual override cable to
the terminal blocks as shown in Figure 3. The manu-
al override scene (as programmed in the HomeWorks
Interactive
Utility) is activated for all modules connect-
TM
ed to the Module Interface by closing the manual over-
ride switch wired between the two terminals (see Figure
3). A toggle switch is provided with each HomeWorks
Interactive
Processor for this purpose. For maximum
TM
reliability, group Module Interfaces on a single switch.
This arrangement should have the switch and all of the
Module Interfaces wired in parallel (see Figure 3). Note:
Proper polarity must be maintained across all units. For
manual override cable runs less than 300m (1000 feet)
connected to a single Module Interface, 0.5–1.5mm
(16–24 AWG ) wiring can be used. For manual override
cable runs exceeding 300m (1000 feet) or those con-
nected to multiple Module Interfaces, 1.0–1.5mm
(16–18 AWG) wiring must be used. If the installer
chooses to use their own switch, the switch must be
rated for switching at least 50mA @ 28VDC. For switch-
ing multiple Module Interfaces the switch must be rated
for switching the sum of the current for all of the Module
Interfaces connected (e.g., 6 Module Interfaces wired to
a single override switch would require a switch rated for
300mA @ 28VDC).
2
Utility (see Figure 1).
TM
®
®
2
2
9.
Program Override Scene. The manual override levels
can be programmed using the HomeWorks
tive
Utility in the Load Schedule screen.
TM
10. Turn Power ON. Restore the supply circuit breaker
(MCB) to the ON position.
11. Verify that the power LED is ON (see Figure 3). If the
"power indicator" LED is ON, proceed to step 12. If it is
not ON, and other LEDs on the Module Interface are
ON, terminal 2 in the processor communication link ter-
minal block is connected when it should not be.
Remove the connection to terminal 2 before proceed-
ing. If all LEDs on the Module Interface are OFF, verify
that the 24VAC terminals from the transformer are con-
nected to the board, the power plug for the Module
Interface is plugged in and wired to the enclosure termi-
nal blocks, and that the AC circuit breaker is turned ON.
12. Verify that the Module Interface is functional. The
"heartbeat" LED should flash whenever the unit is pow-
ered (see Figure 3). If the "heartbeat" LED is not flash-
ing on a unit that has the "power" LED turned ON, con-
tact Lutron Technical Support.
13. Verify processor and module communications. If the
"processor communications" LED (see Figure 3) is
flashing, proceed to Step 14. If it is not flashing,
recheck the connections at the Processor Communica-
tion Link terminal block. Verify that the processor is
powered and has a valid database. The green "TX" LED
on the processor's Link 1 (refer to processor label)
should be flashing. If it is not, refer to processor trou-
bleshooting information in the instructions for the
processor and in the online help in the HomeWorks
Interactive
Utility.
TM
If the "TX" LED on Link 1 of the processor is flashing,
recheck the connections on Link 1 at the processor and
at all of the Module Interfaces connected to that link.
Verify that only one LT-1 Link Terminator is installed on
the link and that it is installed at the last Module Inter-
face in the daisy chain.
14. Verify module communications. If the "Module Com-
munications" LED is flashing (see Figure 3), proceed to
Step 15. If it is not flashing, verify that the MUX and
MUX connections (terminals 3 & 4) are not reversed. If
the LED remains OFF, review troubleshooting instruc-
tions in Step 13.
15. Verify that the Module Harness is connected. On all
RPM modules that are connected and powered, the
LED should blink once a second. If the RPM's LED
blinks fast 4 times, followed by a 5 second pause, blinks
fast 4 times, etc., that is an indication that the Module
Interface is in manual override. Refer to Step 8 for more
information on manual override. If the RPM LED blinks
only once every 7 seconds, the RPM is not communi-
cating with the Module Interface.
16. If operation of modules seem inconsistent with key-
pad button programming, verify that the Module Inter-
face is set to the correct address as programmed in the
HomeWorks
Interactive
®
TM
Interface is connected to the correct processor on Link
1. Verify that the processor is properly addressed. Verify
that the keypad is properly addressed and connected to
the correct processor and correct link.
Interac-
®
®
Utility. Verify that the Module
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