Trane SENS-IN-1D18-HD60D29-4, Руководство по установке

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6
Installation
UCM Status Inputs (4 Wires Optional)
The ZSM can be wired to receive four (4) operating status
signals from the UCM (HEAT, COOL, SYSTEM “ON”, SER-
VICE). Four (4) wires from the UCM should be connected to
the appropriate terminals (7, 8, 9 & 10) on the ZSM.
Auxiliary Relay (3 Wires Optional)
The auxiliary relay located on the ZSM is energized during
OCCUPIED periods. The auxiliary relay is form C, rated for
1.25 Amps at 30 VAC. Figure 3 illustrates the terminal con-
figuration.
Note: Guidelines for wire sizes and lengths are
shown in Table 1. The total resistance of these low
voltage wires must not exceed 2.5 ohms per
conductor. Any resistance greater than 2.5 ohms
may cause the control to malfunction due to
excessive voltage drop.
Note: Do not run low-voltage control wiring in same
conduit with high-voltage power wiring.
Table 1
Zone Sensor Maximum Lengths and Wire Size
Distance from Recommended
Unit to Control Wire Size
000 - 150 feet 22 gauge
151 - 240 feet 20 gauge
241 - 385 feet 18 gauge
386 - 610 feet 16 gauge
611 - 970 feet 14 gauge
Wiring The Sub Base
H A Z A R D O U S V O L T A G E !
DISCONNECT ALL ELECTRIC POWER INCLUDING
REMOTE DISCONNECTS BEFORE SERVICING.
Failure to disconnect power before servicing can
cause severe personal injury or death.
Connecting the wires
1. Strip approximately ¼ inch of insulation from each wire
and connect the wiring to the appropriate
terminals at
the unit control panel.
2. Remove the Terminal Block from the hardware package
and
connect the wiring to the appropriate
terminals at
the Zone Sensor sub base. In general, zone sensor
connections use the convention of connecting Zone
Sensor terminals to like numbered Unit terminals (1 to
1, 2 to 2, etc.). Refer to Figure 3.
3. Firmly tighten each screw terminal.
4. Attach the terminal block to the Sensor PC Board.
5. Fit the wires as close to the sub base as possible. Be
sure to push the excess wire into the wall and plug the
hole with nonflammable insulation to prevent drafts
from affecting the sensor.
Note: Do Not Coil Excess Wire Inside Sub Base!
Push All Excess Wire Inside Handy Box Or Inside
Wall Cavity.
6. Replace cover. Place the zone sensor on the sub base
by hooking the top two tabs on the Zone Sensor Module
to the slotted tabs on top of the sub base. Swing the
ZSM straight down onto the sub base until you hear the
plastic locking mechanism snap securely into place.
Note: If the wire bundle is large, it may cause the
terminal strip to become disconnected. Secure the
wires to the sub base using a small wire tie.