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Wire the terminal block as shown in Fig. 5:
1. For single wires, strip 3/16 in. (5 mm); for multiple
wires going into one terminal, strip 1/2 in. (13 mm)
insulation from the conductor.
2. Insert the wire in the required terminal location and
tighten the screw to complete the termination.
3. Review and verify the terminal connection wiring
illustrated in Fig. 5.
Fig. 5. Connecting wires to the terminal block.
4. See Fig. 6 for wiring multiple Sylk devices.
TWO WIRES INTO ONE TERMINAL
1.
STRIP 1/2 IN.
1/2
(13MM) FROM
(13)
WIRES TO BE
ATTACHED AT
ONE TERMINAL.
2.
TWIST WIRES
TOGETHER
WITH PLIERS
(A MINIMUM OF
THREE TURNS).
DAISY-CHAINING MULTIPLE
SYLK DEVICES
TO CONTROLLER
TO SYLK DEVICE
Fig. 6. Options for wiring multiple Sylk devices.
5. When wiring is complete, align the pins from the
front cover to the terminal block on the subbase.
M36289
WALL MODULE
TERMINALS
3.
CUT TWISTED END OF WIRES TO
3/16 IN. (5 MM) BEFORE INSERTING
INTO TERMINAL AND TIGHTENING
SCREW. THEN PULL ON EACH WIRE
IN ALL TERMINALS TO CHECK FOR
GOOD MECHANICAL CONNECTION.
HOME RUNNING MULTIPLE
SYLK DEVICES
TO CONTROLLER
M36315
TR120 TOUCH SCREEN WALL MODULES
6. Firmly push the front cover onto the subbase. If the
wall module is powered, a loading screen will be
displayed.
7. Press the arrow on the touch screen indicating
which way is up.
Sylk Bus
The wall module communicates with the controller via
Sylk, which is a two-wire, polarity-insensitive bus that
provides both 18 Vdc power and communications. This
enables a faster and less expensive installation all while
minimizing errors. The recommended wire for Sylk is 18-
24 AWG (0.82 to 0.20 sq mm) single twisted pair, solid or
stranded wire, unshielded. Standard thermostat wire (non-
twisted pair) can be used for runs up to 100ft (30m). See
Table 1.
Table 1. Maximum Distance.
Recommended maximum distance from
controller to any Sylk device
Single twisted pair, non-
shielded, stranded or solid
18-22 AWG
500 ft (150 m) 400 ft (120 m)
Setting the Wall Module Address
Every Sylk device wired to a single controller must have a
unique address. The address on the wall module must
match the address in the control logic. The TR120 wall
model has a selectable Sylk address 4-dip switch which
works exactly the same way as the TR42 wall module (see
Fig. 7). Default position from the factory (all dip switches
OFF) will be Sylk address 1. The Sylk address can also be
changed via the touchscreen interface, either on the
splash screen during boot-up or in the installer menu.
Compatibility
The TR120 wall module has been designed for use with
Spyder, Stryker, Lynx, and CIPer Model 30. It can directly
accept a TR71 or TR75 application download from the
controller with no additional modifications needed.
A TR71, TR71-H, TR75, or TR75-H wall module wired to the
controller in the field can be directly replaced by the
TR120 or TR120-H; simply remove the old wall module
and install the new wall module (including new backplate).
The backplate sizes and mounting holes are identical. The
3
Standard thermostat wire,
(non-twisted), shielded or
non-shielded, stranded or
solid
24 AWG
18-24 AWG
100 ft (30 m)
Fig. 7. Dip switches.
31-00275M—01
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