Chamberlain PD420, PD420-2, PD460-2, PD460-2K Carton Inventory

Carton Inventory

Your garage door opener is packaged in one carton which contains the motor unit and all parts illustrated below. Accessories will depend on the model purchased. If anything is missing, carefully check the

packing material. PARTS MAY BE STUCK IN THE FOAM. Hardware for assembly and installation is shown on the next page. Save the carton and packing material until installation and adjustment is complete.

Model 420 (1),	Model 460-2K
Model 420 (1),	Model 460 (2)
Model 420-2 (2)	Model 460-2K (2)

LOCK

LIGHT

Remote Control Transmitter Visor Clip

		SECURITY✚®	SECURITY✚®	SECURITY✚®
	Multi-Function	Single Button	3-Button	SECURITY✚®
		Single Button	3-Button	Keyless Entry
		Remote Control	Remote Control
	Door Control Panel	Remote Control	Remote Control
	Door Control Panel
			Rail Support	Sprocket
			Braces (4)	Sprocket
			Braces (4)	Coupling
				Coupling

Motor Unit with a Light Lens

2-Conductor Bell Wire

White & White/Red

Header/Rail

Brackets

	LY
NT	ON
NT
OU
G M
ILIN
CE
UP

Header Bracket

Hanging Brackets

(2) Safety Reversing Sensors

(1 Sending Eye and 1 Receiving Eye) with attached 2-Conductor

White & White/Black Bell Wire

Rail

Assembly

Trolley	Straight Door
	Straight Door
	Arm Section

Curved Door

Arm Section

Door Bracket

Safety Labels

and

Literature

Safety Reversing Sensor

Mounting Bracket (2)

6

Contents

For Residential Use Only Introduction Assembly Installation Adjustment Operation Preparing your garage door Tools needed Planning Planning (Continued) Carton Inventory Hardware Inventory Assemble the Rail Assemble the Rail (Continued) Fasten the Rail to the Motor Unit and Install the Trolley Attach the Rail Brackets Determine the Header Bracket Location Install the Header Bracket Attach the Rail to the Header Bracket Install The Protector System® INSTALLING THE BRACKETS Garage door track installation (preferred): Figure Wall installation (Figure 2 & 3): Floor installation (Figure 4): MOUNTING AND WIRING THE SAFETY SENSORS Recommended Wire Routing Do not use the lower (trolley) channels Position the Opener Hang the Opener Install the Door Control Install the Lights and Lens Attach the Emergency Release Rope and Handle Electrical Requirements Complete the Safety Reversing Sensor Installation Fasten the Door Bracket ONE-PIECEDOORS Metal Doors: Connect Door Arm to Trolley ALL ONE-PIECEDOORS 1.Assemble the door arm, Figure 4: 2.Adjustment procedures, Figure 5: •Open door adjustment: decrease UP travel limit •Closed door adjustment: decrease DOWN travel limit Adjust the UP and DOWN Travel Limits Adjust the Force Test the Safety Reversal System Test The Protector System® Using Your Garage Door Opener Using the Wall-MountedDoor Control To Open the Door Manually CARE OF YOUR OPENER LIMIT AND FORCE ADJUSTMENTS: THE REMOTE CONTROL BATTERY Repeat the safety reverse test (Adjustment Step 3, page 29) after any adjustment of limits or force HAVING A PROBLEM 1. My door will not close and the light bulbs blink on my motor unit: 2. My remotes will not activate the door: 3. My door reverses for no apparent reason: 1 FLASH 2 FLASHES 3 FLASHES 4 FLASHES 5 FLASHES To Add or Reprogram a Hand-heldRemote Control To Erase All Codes From Motor Unit Memory *3-ButtonRemotes To Add, Reprogram or Change a Keyless Entry PIN Rail Assembly Parts Installation Parts Motor Unit Assembly Parts ACCESSORIES 950CB 1-ButtonSecurity✚® Remote 956CB Control: CHAMBERLAIN GARAGE DOOR OPENER ONE-YEARLIMITED WARRANTY LIMITED WARRANTY ON MOTOR