Install The Battery; Install The Lights - Chamberlain WHISPER DRIVE Security+ HD900D Owner's Manual

INSTALLATION STEP 7

Install the Battery

• Make sure motor unit is unplugged.
• Using a Phillips head screwdriver, remove the battery cover on
the motor unit.
• Partially insert battery into motor unit with terminals facing out.
• Connect red (+) and black (-) wires from motor unit to
corresponding terminals on battery.
• Verify the battery wires are seated in the channel.
• Replace battery cover.
INSTALLATION STEP 8

Install the Lights

• Press the release tabs on both sides of lens. Gently rotate lens
back and downward until the lens hinge is in the fully open
position. Do not remove the lens.
• Install a 100 watt maximum light bulb in each socket. Light
bulb size should be A19, standard neck only. The lights will
turn ON and remain lit for approximately 4-1/2 minutes when
power is connected. Then the lights will turn OFF.
• To remove, depress both top lens tabs. Tilt lens slightly
outward and down, then pull out to clear bulbs. Use care to
avoid snapping off bottom lens tabs.
• Use A19, standard neck garage door opener bulbs for
replacement.
NOTE: Use only standard light bulbs. The use of short neck or
speciality light bulbs may overheat the endpanel or light socket.
ALWAYS wear protective gloves and eye protection when
changing the battery or working around the battery
compartment.
Channel
To prevent possible OVERHEATING of the endpanel or light
socket:
• DO NOT use short neck or specialty light bulbs.
• DO NOT use halogen bulbs. Use ONLY incandescent.
To prevent damage to the opener:
• DO NOT use bulbs larger than 100W.
• ONLY use A19 size bulbs.
Release Tab
100 Watt (Max)
Standard Light Bulb
18
Battery Cover
Battery
100 Watt (Max)
Standard Light Bulb
Lens
Hinge