Tannoy 5.4 INSTRUCTIONS FOR OPTIONAL PRE-INSTALLATION BACK CAN (PI MODELS ONLY):, 5.3 MECHANICAL INSTALLATION INSTRUCTIONS FOR OPTIONAL PLASTER RING:

CMS 801 Manual 21-6-07AW 28/9/07 10:03 Page 5
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5.4 INSTRUCTIONS FOR OPTIONAL PRE-INSTALLATION BACK CAN (PI MODELS ONLY):
Attach the back can to the installed conduit This can be attached in two ways:
1
Go to section 6 for instructions on wiring and setting up then return to point 5 below.
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Cut out the hole in the ceiling using a circular saw or pad saw
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Lay the speaker wiring to where the speaker will be fitted and complete the
plastering work on the ceiling.
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5.3 MECHANICAL INSTALLATION INSTRUCTIONS FOR OPTIONAL PLASTER RING:
Lay the speaker wiring to where the speaker will be fitted and complete the
plastering work on the ceiling.
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Insert grille by pushing it onto the speaker.
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Nail or screw the plaster ring to the joists.
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An optional plaster (mud) ring bracket is available from Tannoy. This bracket is designed to be pre-installed into newly
constructed, non-suspended ceilings.
Cut out the hole in the ceiling using a circular saw or pad saw.
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Slide the speaker assembly through the hole and turn the screws to extend the mounting
wings. Tighten the screws until a firm grip is achieved.
If using a power driver, Tannoy recommends a torque setting of 1.5Nm.
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DO NOT OVERTIGHTEN!
Go to section 6 for instructions on wiring then return to point 5 below.
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a. You can use the clamp at the back of the pre-install
back can. The product will accept a squeeze connector
with a thread size of up to 22mm: To remove the cable
clamp, simply unscrew the threaded washer (under the
wiring cover) which holds the cable clamp in place and
replace it with a conduit squeeze connector.
b. You can use any of the three knock-out points at the
sides of the PI back can (19mm, 22mm or 28mm diameter):
Slide the speaker assembly through the hole and turn the screws to extend
the mounting wings. Tighten the screws until a firm grip is achieved.
If using a power driver, Tannoy recommends a torque setting of 1.5Nm.
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Conduit Squeeze
Connector
Conduit
CMS
AN OPTIONAL PRE-INSTALL BACK CAN IS AVAILABLE FOR ALL PI (PRE-INSTALL) MODELS. THIS BACK CAN IS DESIGNED TO
BE PRE-INSTALLED INTO NEWLY CONSTRUCTED, NON-SUSPENDED CEILINGS.
Note that the CMS801 PI model’s transformer is pre-attached to CMS801 PI back can for easy install.
DO NOT OVERTIGHTEN!