MZC-66 Hardware Installation Instructions Page 27
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F
0
1
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9
ADDRESS
KEYPAD EXPANSION
MKP-1.1
J-Box EZ-Pad w/IRC
-Master-
SpeakerCraft
+RELAY
-RELAY
+12V
IR I/O
GND
485 A
485 B
Relay Coil Lead
12" (305mm).
Can be spliced
for lengths up
to 2000' (610m)
using 24 AWG.
Striped side
is Positive (+)
Wall Speakers
in Room
RL
+ --
+ --
+ -- -- +
L R
Amplifier
EPR-1.0
Eazy Pad
Speaker Muting Relay
SpeakerCraft
®
Speakers
L R
+ -- -- +
Speaker Leads
From Amplifier
EPR-1.0
EZ-Pad
Speaker Muting Relay
Brown-White
Brown
Orange Pair
Blue Pair
Green Pair
Figure 15
System Connections for the EPR-1.0 Muting Relay
SPEAKER CONNECTION TO EPR-1.0 EZ-PAD RELAY MUTING MODULE
1. Connect Zone Speakers L+,L-/R-,R+ OUTPUTS from the MZC-66 or an external amplifi er to the EPR-1.0 Amplifi er
Terminal L+,L-/R-,R+ INPUTS. (Refer to Figure 19)
2. Strip approximately
1
⁄4 inch (6mm) of each lead and twist the stripped ends so there are no loose strands that can cause
shorts.
3. Connect the EPR-1.0 Speakers L+,L-/R-,R+ OUTPUTS to the L+,L-/R-,R+ Terminals on each speaker pair as appropri-
ate.
4. Connect the White Stripe Lead from the EPR-1.0 to the +Relay Terminal on the Keypad.
5. Connect the Black Lead from the EPR-1.0 to the -Relay Terminal on the Keypad.
6. Visually check for loose ends. Lightly pull the wire to confi rm connection.
7. Install speakers into dry-wall cut-outs or SpeakerCraft InstaLLock™ New Construction Brackets (if used) as appropriate.
NOTE: EPR-1.0 Relay Mute will not function without proper confi guration in EZ-Tools.
OTHER ZONE CONNECTIONS
Given the wide range of possibilities of MZC-66 system confi gurations, only keypad and speaker connections have been
detailed. Make all other zone connections as needed. See Sections: Wiring and Connections - Head End for additional
information.
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