INSTALLATION INSTRUCTIONS 
Model CD1-024R Surge/Brownout/Short Cycle Protective Device
IMPORTANT SAFETY INSTRUCTIONS • THOROUGHLY READ AND SAVE THESE INSTRUCTIONS
WARNING Risk of Fire or Electric Shock
•Disconnect power at the circuit breaker(s) or disconnect switch(es) before installing or servicing.
•Installation and service to be performed by a qualified licensed HVAC technician or licensed electrician.
•More than one circuit breaker or disconnect switch may be required to de-energize the equipment before servicing.
•Installation and/or wiring must be in accordance with national and local electrical code and/or Canadian Electrical Code requirements.
•For wet location installations, product should be mounted to a raintight enclosure.
•This device features an internal protection that will disconnect the surge protective component, but will maintain power to the load--now unprotected. If this is undesirable for the application, follow the manufacturer’s instructions for replacing the device.
•Do NOT mount device nipple side up.
•This product is not designed for rigid conduit mounting.
NOTICE This unit contains no serviceable parts.
The Compressor Defender™ protects HVAC Compressors (Scroll & Reciprocating), and the electronics inside central air conditioners, heat pumps, light commercial packaged rooftop units, and mini-splits from under/overvoltage conditions, surge events, and system short cycling caused from AC power interruptions.
Specs
•Input voltage: 120/208-240 VAC, 60 Hz
•MCOV (Max Continuous Overvoltage): L-N/G: 150 V L-L: 300 V
•Type 3 Outdoor Enclosure
•In (Nominal Discharge Rating) : 20 kA
•SCCR (Short Circuit Current Rating): 100 kA
Installing the Compressor Defender™
•T-stat Normally Closed Relay, 24 VAC
•Output Current Rating: 2 A @ 24 VAC
•VPR (Voltage Protection Rating): L-N/G: 700 L-L:1200
•Type 2 SPD
•Intended for indoor/outdoor use
•Operating Temp: -40º F to 158º F (-40º C to 70º C)
A typical installation of the Compressor Defender™ connects to the load side of the electrical service panel and is intended to be installed with over current protection up to 60 amps to the device. The wire gauge size should be 10 AWG with a minimum wire length of 6 inches to a maximum of 20 inches from the nipple out.
NOTE: The Compressor Defender™ does not have to be reset after a surge or brownout event.
1.Disconnect condensing unit power at circuit breaker(s), the AC disconnect, and at the 24 VAC thermostat circuit.
2.Mount the Compressor Defender™ making sure the 24 VAC wire is mounted below the nipple. See Figure 1.
NOTE: Ensure conductor lengths are as short and straight as possible for best performance. Do not coil excess wire. The SPD functions best if all bends in wires are rounded, ideally to a 4 inch radius. Hard 90º bend will reduce efficiency. Cut all leads to the correct length.
NOTE: If you want to install the Compressor Defender™ inside a condensing unit, drill two holes in the sheet metal and then insert the L clip on the Compressor Defender™ over the holes and secure the connection with two customer supplied sheet metal screws. See Figure 2.
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Top |
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Gasket |
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Locknut |
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Nipple |
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AC |
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Black Wire |
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White Wire |
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Disconnect |
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Sheet |
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Black Wire |
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Box |
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AC Disconnect Box |
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Metal Screw |
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Side |
Compressor |
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(L/R) |
Defender™ Housing |
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24 VAC |
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24 VAC |
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Note: Do not mount the |
Thermostat Wire |
Y1 |
Y1 |
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device at the bottom |
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of the disconnect box |
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Figure 2. Mounting Compressor Defender™ |
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Figure 1. Installing Compressor Defender™ to AC Disconnect Box. |
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in condensing unit. |
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3.Connect the white wire from the Compressor Defender™ to the neutral connection in the panel as shown in Figure 3.
4.Connect the two black wires to the load side of the circuit breaker that is supplying power to the compressor/pump as shown in Figure 3.
NOTE: The black wires may be connected to the line or load side from the AC disconnect.
5.Connect the supplied 24 VAC thermostat wire. Splice Compressor Defender™ thermostat control wires into the Y1 terminal thermostat wire as shown in Figure 4.
6.Ensure all mounting and electrical connections are correct and securely fastened.
7.Reconnect condensing unit power at circuit breaker(s) and at the 24 VAC thermostat circuit. The green LED flashes to indicate the unit is in short cycle delay.
See Tables 1 and 2 for explanation of LED indicator status.
Line |
Neutral/ |
Line |
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Typical 208/240 VAC Application |
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Typical 120 VAC Application |
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Ground |
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Line |
BLACK |
NOTE: Both black wires |
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connect to Line. |
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Black |
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Neutral |
WHITE |
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White |
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Black |
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BLACK w/WHITE SLEEVE |
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120 VAC two wire single phase |
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with separate ground. |
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Found at connections for individual |
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pieces of equipment, such as pumps, |
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single phase motors, and HVAC |
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applications. |
24 VAC |
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Line |
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Line |
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AC Disconnect |
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Load |
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Load |
24 VAC |
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Y1 |
Y1 |
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Y1 |
Y1 |
Figure 3 Installing Surge Protector wiring. |
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Compressor Defender™ Maintenance:
•AC Voltage SPD:
•Periodically check Compressor Defender™ to ensure green indicator LED is ON. If green LED is OFF, protection has diminished and the Compressor Defender™ should be replaced immediately.
Contactor Wiring |
From Compressor |
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Defender™ |
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BLACK |
RED |
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24 VAC |
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Compressor Contactor
Figure 4. 24 VAC Contractor Wiring.
Y1
C
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Table 1. LED Indicators (Diagnostics)
Condition |
Green LED |
Red LED |
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Surge Protected |
ON |
− |
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No Surge Protection |
OFF |
− |
Under Voltage |
− |
Flash |
Short Cycle Protect |
Flash |
− |
Unit Power Lost |
OFF |
OFF |
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Table 2. Operation
See operation table below for an overview of the Compressor Defender™ Operation
Condition |
Description |
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Under Voltage |
If line voltage falls below the accepted level, the relay output will open un- |
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til the line voltage returns to the accepted level. Voltage Drop Protection |
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conditions comply with AHRI standard 110-2016 Range B. For Voltage |
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conditions that drop below outside the limits of Range B prompt correc- |
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tive action is recommended |
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120 VAC Nominal – Range B 104 VAC |
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208 VAC Nominal – Range B 180 VAC |
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240 VAC Nominal – Range B 208 VAC |
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Short Cycle Delay |
Once the line voltage exceeds the pick-up line voltage, the relay will close |
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after the time delay elapses. Delay = 3 Minutes (non-adjustable). |
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Normally Closed Operation |
If surge or voltage monitoring protection is lost, the unit will continue nor- |
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mal compressor and thermostat operation without surge protection. The |
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unit should be replaced to restore surge protection to the circuit. |
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Understanding the Compressor Defender™ Limited Warranties
3-Year Product Warranty
The Compressor Defender™ will be free from defects in material and workmanship for 3 years from date of purchase or 39 months from date of manufacture.
$7500.00 Connected Equipment Warranty
If your compressor becomes damaged while using the Compressor Defender™, please follow the claim process below:
1)Process an insurance claim with your homeowner’s insurance policy.
2)Send the Compressor Defender™ back to lntermatic for evaluation and testing to:
lntermatic Warranty Coordinator, 7777 Winn Road, Spring Grove, IL 60081
3)Upon receipt of the damaged Compressor Defender™, lntermatic will investigate whether the Compressor Defender™ had a defect in material or workmanship that led to the damage to your equipment. If the findings determine there was a defect in material or workmanship, lntermatic
will cover any costs beyond your homeowner’s coverage up to $7500.00.
**Please sign below to acknowledge that you understand the limited warranties associated with the Compressor Defender™ and the responsibility of checking the green indicator light to ensure protection of your HVAC equipment.
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Homeowner’s Signature |
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Service Installer Signature |
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Date of Installation |
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Suggested Replacement Date |
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LIMITED THREE YEAR PRODUCT and
CONNECTED EQUIPMENT WARRANTY for
INTERMATIC COMPRESSOR DEFENDER™
(1)What is Covered By This Limited Warranty
(A) Replacement of Product
Intermatic Incorporated (“Intermatic”) warrants to the original purchaser only, Intermatic CD1-024R Compressor Defender™ (each a “Product”) shall be free from defects in material or workmanship for a period of three years (36 months) from date of purchase or 39 months from date of manufacture. If the purchaser discovers a defect in material or workmanship, the purchaser must promptly submit a warranty claim. Upon a determination by Intermatic that the Product is defective, Intermatic shall correct any defect in material or workmanship by replacing the Defective Product. Any repair, including both parts and labor, shall be at Intermatic’s expense. The foregoing remedy is the purchaser’s exclusive remedy for a breach of warranty. The product must be installed in the appropriate application in complete accordance with the installation instructions. All building wiring and other connections to the Product must conform to all applicable national, state, and local electrical codes; the Product must not be opened, modified, submerged, or subjected to abnormal use or service. All products must be used in accordance with the instructions provided with the Product and the purchaser shall be solely responsible for selecting a Product model with specifications appropriate for the equipment to be protected. Intermatic shall determine, in its sole discretion, whether any Product returned by a purchaser has been used in accordance with its instructions, is an appropriate model for the purchaser’s use thereof, and whether the Product is defective.
(B) Repair or Reimbursement for Damage to Properly Connected Equipment
In addition to the above described Product warranty, Intermatic warrants to the original purchaser of the Product for a period of three years from the date of purchase, the following: In the event that any connected electrical equipment (as defined below) is damaged (the “Damaged Equipment”) as a direct result of the failure of a Product to protect the Damaged Equipment from Power Transients (as hereinafter defined) and all other conditions are satisfied, Intermatic’s option, either to repair the Damaged Equipment or reimburse the purchaser of the defective product. The limit of Intermatic’s liability under this warranty shall be the Fair Market Value (as hereinafter defined) of the Damaged Equipment or the deductible amount of the original purchaser’s property insurance policy, whichever is less. In no event shall Intermatic incur repair costs or reimburse the purchaser for an amount in excess of $7,500. As used herein, “connected electrical equipment” shall mean the electronics and the HVAC equipment this product is intended to protect. The Fair Market Value of the Damaged Equipment shall be the current value of the equipment specified in the most recent version of the Orion Blue Book (printed or on-line edition) by Orion Research Corporation, or a comparable publication. Promptly upon discovering any Damaged Equipment, the purchaser must submit a claim pursuant to the claim procedure provided below. In no event may a purchaser initiate a claim later than (30) days after the Protected Equipment is damaged. In order to receive the Connected Equipment protection provided in this Section, all of the following conditions must be satisfied with respect to the use of the Product: (a) the Product must be properly installed; (b) all building wiring and other connections to the Product and the Damaged Equipment must conform to all applicable federal, state and local electrical codes; (c) no ground wires or ground connections in addition to the AC power source can be used in connection with the Product or the Damaged Equipment;
(d) the Product(s) and Protected Equipment must not be opened, modified, submerged or subjected to abnormal use or service. For purposes of this Limited Warranty, a Power Transient shall mean over-voltage resulting from momentary voltage spikes or surges on an AC power line of magnitude that the Product, according to its specifications, is designed to stop before such spikes or surges affect downstream equipment.
(2)What is Not Covered By This Warranty
Intermatic does not warrant (a) defects in the Product or damage to any equipment caused by the failure to properly install the Product, (b) damage caused by use of the Product for purposes other than those for which it was designed, (c) damage caused by disaster such as fire, flood and wind, (d) damage caused by unauthorized attachments or modification of the Product, (e) damage to the Product occurring during the shipment, or (f) electrical disturbances exceeding published product specifications, (g) damage to the Product caused by any other abuse or misuse by the purchaser, (h) damage due to direct or vicinity lightning strikes. This warranty applies to residential and commercial applications. This device is not intended to provide protection during Utility voltage swells or loss of neutral conditions which are by definition not transient events and are not covered by this warranty.
(3) Disclaimer of Warranty
THE FOREGOING WARRANTIES ARE IN LIEU OF ALL OTHER EXPRESSED WARRANTIES. TO THE EXTENT ALLOWED BY LAW, ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION OF THIS LIMITED WARRANTY.
(4) Limitation of Remedies
IN NO CASE SHALL INTERMATIC BE LIABLE FOR ANY SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES BASED UPON BREACH OF WARRANTY, BREACH OF CONTRACT, NEGLIGENCE, STRICT TORT, OR ANY OTHER LEGAL THEORY. SUCH EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED TO, DAMAGE TO SOFTWARE, LOSS OF DATA, LOSS OF PROFITS, LOSS OF SAVINGS OR REVENUE, LOSS OF USE OF THE PRODUCT OR ANY ASSOCIATED EQUIPMENT, COST OF CAPITAL, COST OF ANY SUBSTITUTE EQUIPMENT, FACILITIES OR SERVICES, DOWNTIME, THE CLAIMS OF THIRD PARTIES INCLUDING CUSTOMERS, DAMAGE TO PROPERTY AND PERSONAL INJURY. SOME STATES DO NOT ALLOW LIMITS ON WARRANTIES OR ON REMEDIES FOR BREACH IN CERTAIN TRANSACTIONS, IN SUCH STATES, THE LIMITS IN THIS PARAGRAPH AND IN PARAGRAPH (3) MAY NOT APPLY.
(5) Time Limit for Bringing Suit
No action arising out of any claimed breach of warranty may be brought more than one year after the cause of action has occurred.
(6) No Other Warranties
Unless modified in writing signed by both parties, this agreement is understood to be the complete and exclusive agreement between the parties, superseding all prior agreements, oral or written, and all other communications between the parties relating to the subject matter of this agreement. No employee of Intermatic or any other party is authorized to make any warranty in addition to those made in this agreement. This warranty is made by: Intermatic Incorporated/After Sales Service, 7777 Winn Rd., Spring Grove, IL. 60081-9698/815-675-7000 http://www. intermatic.com
(7) Claim Procedure
In order to submit a claim for warranty service the original purchaser must:
(A)Contact the Intermatic Insurance Claims Center at 1-800-270-7227 before having the damaged equipment repaired.
(B)Request that an Incident Claim Report be written regarding the damage including descriptions and model identification (if available) of the equipment that was damaged. Record the Warranty Claim Number for future reference.
(C)File a claim for the damaged equipment with your property insurance company.
(D)Send the INTERMATIC SURGE PROTECTIVE DEVICE to the Intermatic Warranty Coordinator at the address listed below. All returned devices must be plainly marked with the Intermatic Warranty Claim Number.
(E)Send all of the following information in a single packet to the Intermatic Warranty Coordinator at the address listed below.
(1)Claimant’s name, address and telephone number.
(2)Original dated sales receipt for the Intermatic Surge Protection Device.
(3)Original report for repair work.
(4)The damage report
(5)A copy of the claim report by the property insurance company or a copy of the policy showing the deductible amount exceeds the cost of the repair.
(F)Address all communications and products returns to:
Intermatic Warranty Coordinator
7777 Winn Road
Spring Grove, Illinois 60081-9698
Attn: Surge Claim Processor
Product & Installation Information
Purchase date:
Installation date:
Installed by:
Point of installation:
Breaker ratings if applicable:
INTERMATIC INCORPORATED, 7777 Winn Road, SPRING GROVE, ILLINOIS 60081-9698
http://www.intermatic.com
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