Overhead door 1026 User Manual page 17

3b. Wiring (pre-wired).
• Route wire from wall to Safe-T-Beam
(Fig. 4-5b).
• Splice pre-wiring to shortened sensor wire,
match wire pairs dash-to-dash and
plain-to-plain.
- Trim sensor wire to approximately one foot
(1 ft) from sensor.
- Split and strip ends of sensor wires and
pre-wired wires (Fig. 4-7).
- Splice wires together with (provided)
wire nuts.
• Route wire from ceiling to power head
(Fig. 4-5b).
• Securely fasten wires where they exit
wall and ceiling as you go.
– Use insulated staples.
– Staples should be snug only.
CAUTION
Staples which are too tight can cut or pinch wires.
Cut or pinched wires can cause the Safe-T-Beam
System to stop working. When using the insulated
staples, make sure you fasten them only as tightly
as needed to hold the wire snugly.
4. Split and strip ends of sensor wires (Fig. 4-7).
NOTE: For rear cover locate Box 4.
5. Attach Safe-T-Beam
terminal.
• Route Safe-T-Beam
– Insert wire into terminal holes and lightly press
in the orange locking clips above each terminal
hole. (You can use a pencil or small
screwdriver to comfortably reach in and lightly
press down locking clips.) Insert white wires to
'even' numbered terminal holes and striped
wires into 'odd' terminal holes (Fig. 4-8).
Locking
Clips
6 5 4
– Confirm wire lock by lightly tugging on the wire.
The wire should remain in the terminal hole.
• Install rear cover. The rear cover is the same
color as the power head clips and body
(Fig. 4-9).
• Do not install the white (lamp) cover at this time.
NOTE: Safe-T-Beam ® alignment check must be
performed following connection to electrical
power (see page 18). DO NOT PLUG IN YET!
® sensors
Wire Nut
Insulated
Staple
® wire to power head wire
® wires through wire guide.
Terminal
Holes
3 2 1
PN# 3642136212,
Wall
Red
Source
Ceiling
Power
Head
FIG. 4-5b Pre-Wired source and sensor wiring
methods
Wire
®
Invisible Light Beam
Protection Area
Sensor
FIG. 4-6 Wire routing
2"
FIG. 4-8
Insert wires.
(Power Head With Rear Cover Removed)
Cover clips
FIG. 4-9 Install rear cover
02/26/2010 REV. 1
Wall
Green
Sensor
6 5 4 3 2 1 or
6 5
Dashed Line = striped wire
Solid Line = white wire
.
Insert Wire
Into Connector
Wire
Use this
wire routing
if NOT pre-wired
Sensor
.
FIG. 4-7
Splitting and stripping
1/2"
6 5 4 3 2 1
+ –
P B
Infared Sensor
.
4 3 2 1
.
17