Intermatic G8000 Instructions Owner S Manual

2014-07-06

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MODEL G8000 Series Mechanical Defrost Timer
Installation Instructions

WARNING Risk of Electric Shock or Fire

•	 Turn all power off before servicing this switch or the equipment it
controls.
•	 Follow local electrical and safety codes, National Electric Code (NEC) and
Occupational Safety and Health Act Codes (OSHA).
•	 Ground enclosure or bracket in accordance with National Electrical
Code, Canadian Electrical Code, and local requirements.
•	 Make sure there is no wire insulation under the terminal plate on time
switch connector. Firmly tighten terminal screws.
•	 Use 75 degree C minimum copper conductors only.
•	 Reinstall Safety Guard after wiring.
READ AND SAVE INSTALLATION INSTRUCTIONS

Replacing Existing Timer in Enclosure with G8000
Mechanism

1.	
2.	
3.	
4.	

Disconnect power to the mechanism you want to replace.
Disconnect the wires from the old mechanism.
Remove the old mechanism from the enclosure.
Insert screwdriver into slot on G8000 Defrost Timer and remove it from Intermatic enclosure. See Figure 1.
5.	 If necessary, snap the tabs off the G8000 Defrost Timer with
your fingers or pliers. See Figure 2.

Tabs (4)

Installation/Replacing Timer With G8000 Enclosure
1.	 Take one of these actions.
If you are...

Then...

Switching out the G8000
Defrost Timer in a
different enclosure or
bracket,

Perform the applicable G8000
changeout procedure:
•	 Replacing Existing Timer in
Enclosure with G8000
mechanism
•	 Replacing Existing Timer with
G8000 on Bracket or Bracket
inside Enclosure

Mounting G8000
enclosure with the
mechanism,

Figure 2. Snapping tabs off mechanism.
6.	 Tuck in the insulator tab on the timer and then snap
the mechanism in the applicable enclosure. See Figure 3.

Follow steps 2 through 9.

2.	 Insert screwdriver into slot on G8000 Defrost Timer and remove mechanism from Intermatic enclosure. See Figure 1.

Insulator
tab

Figure 3. Installing the G8000 Defrost Timer.

Replacing Existing Timer with G8000 On Bracket
or Bracket Inside Enclosure
Figure 1. Removing G8000 Defrost Timer from Intermatic enclosure.
3.	 Install the enclosure in the desired location that provides
adequate space for the enclosure door to swing open fully.
4.	 Drill the holes and then clean out each hole.
5.	 Use appropriate mounting hardware as needed.
6.	 Insert the screw into the top hole and tighten.
7.	 Hang the enclosure over the top screw.
8.	 Insert the other screws through the holes in the enclosure and
into the remaining holes in the wall. Tighten the screws.
9.	 Install the timer in the enclosure. Connect wiring. See
Connecting G8000 Wiring.

1.	 Disconnect power to old mechanism you want to replace.
2.	 Disconnect the wires from the old mechanism
3.	 Remove the old mechanism from the bracket or the bracket in
the enclosure.
4.	 Insert screwdriver into slot on G8000 Defrost Timer and remove it from the Intermatic enclosure. See Figure 1.
5.	 If necessary, snap the tabs off the G8000 Defrost Timer with
your fingers or pliers. See Figure 2.
6.	 Tuck in the insulator tab on the timer and then snap
the timer on the bracket as shown in Figure 3, or if
applicable, the snap timer on bracket in the enclosure as
shown in Figures 4 and 5 on the back.
7.	 Make sure the mechanism is fastened securely on the bracket.

FOR UNITS WITH SOLENOIDS (G8145-00 and G8145-20)

WARNING Risk of Electric Shock or Fire

Slot lines up
with Bracket

The defrost terminating solenoid on this defrost control is not intended for
continuous duty operation.
After you complete the G8000 wiring, be sure to perform the
Checking Voltage Solenoid Terminals procedure below.
1.	 Rotate the timer knob counter-clockwise until the tripper
screw is in-line with the time of day pointer.

NOTICE

Risk of Damage to Timer

•	 Do NOT rotoate the timer knob clockwise.
•	 Turning the knob clockwise can damage the gears in the timer.

Figure 4. Snap Defrost Timer on bracket.

2.	 Connect a voltmeter across solenoid terminals X and 3.
3.	 Activate power to the timer.
4.	 Take one of these actions.
If...

Then...

Voltage is present at the sole- Turn off power and check
noid terminals,
wiring and other system
components for feedback
voltages.
There is no voltage present at
the solenoid terminals

Proceed to step 5.

5.	 Rotate timer knob until timer transfers power into Defrost
Mode.
6.	 Determine if voltage is present at solenoid terminals X and 3.
7.	 Take one of these actions.
Figure 5. Installing G8000 in bracket in enclosure

Connecting G8000 Wiring
1.	 Make sure power is disconnected to the G8000.
2.	 Remove the retaining screw that secures the plastic insulator.
Set aside the screw for re-use.
3.	 Strip the wires 1/2 inch.
4.	 Connect the wires to the proper terminals on the time switch
connector. Tighten screws firmly. See the supplied wire
diagram.
5.	 Return the plastic insulator to its original position.
6.	 Reinstall the retaining screw that was previously removed.

If...

Then...

Voltage is present at the sole- Turn off power and check
noid terminals,
wiring and other system
components for feedback
voltages.
There is no voltage present at
the solenoid terminals

Turn off power to the
defrost timer and disconnect the volt meter from the
solenoid terminals.

NOTE: After you have verified that there is no feedback voltage, the procedure is complete.

LIMITED TWO YEAR WARRANTY
If within the warranty period specified, this product fails due to a defect in material or workmanship, Intermatic Incorporated will repair or replace it, at its
sole option, free of charge. This warranty is extended to the original purchaser only and is not transferable. This warranty does not apply to: (a) damage
to units caused by accident, dropping or abuse in handling, acts of God or any negligent use; (b) units which have been subject to unauthorized repair,
opened, taken apart or otherwise modified; (c) units not used in accordance with instructions; (d) damages exceeding the cost of the product; (e) sealed
lamps and/or lamp bulbs, LED’s and batteries; (f) the finish on any portion of the product, such as surface and/or weathering, as this is considered normal
wear and tear; (g) transit damage, initial installation costs, removal costs, or reinstallation costs.
INTERMATIC INCORPORATED WILL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES. SOME STATES DO NOT ALLOW THE
EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY
TO YOU. THIS WARRANTY IS IN LIEU OF ALL OTHER EXPRESS OR IMPLIED WARRANTIES. ALL IMPLIED WARRANTIES, INCLUDING THE
WARRANTY OF MERCHANTABILITY AND THE WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE, ARE HEREBY MODIFIED TO EXIST
ONLY AS CONTAINED IN THIS LIMITED WARRANTY, AND SHALL BE OF THE SAME DURATION AS THE WARRANTY PERIOD STATED ABOVE.
SOME STATES DO NOT ALLOW LIMITATIONS ON THE DURATION OF AN IMPLIED WARRANTY, SO THE ABOVE LIMITATION MAY NOT APPLY
TO YOU.
This warranty service is available by either (a) returning the product to the dealer from whom the unit was purchased, or (b) completing a warranty claim
on line at www.intermatic.com. This warranty is made by: Intermatic Incorporated, Customer Service 7777 Winn Rd. Spring Grove, Illinois 60081-9698.
For warranty service go to: http://www.intermatic.com or call 815-675-7000.

INTERMATIC INCORPORATED
SPRING GROVE, ILLINOIS 60081-9698
www.intermatic.com

158--01359



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