mars 83905 HVAC Surge Protective Device User Guide
- June 9, 2024
- MARS
Table of Contents
mars 83905 HVAC Surge Protective Device
IMPORTANT INSTRUCTIONS
- Thoroughly read instructions before installing unit.
- Installation and Service to be performed by a
- Qualified Licensed Electrician.
- Intended for indoor and outdoor use.
- All wiring must comply with all state and local electrical codes including the National Electrical Code and/or Canadian Electrical Code.
- This unit contains no serviceable parts.
- Attention: Aucune piece remplacable ou reparable.
- This product does not protect against direct lightning strikes.
- Suitable for use on a circuit capable of delivering not more than 10,000 rms amperes 120 volts per line.
- In all applications, NEC recommended maximum Ground resistance should not exceed 25 ohms. Verify ground resistance prior to installation.
HVAC Disconnect Installation for SPD 83905
- Turn off main breaker to panel / equipment the protector is to be installed and verify power is off with appropriate meter. Remove the ½” knockout on the side of the disconnect box. Do not use the bottom knockouts as this may allow water entry and void product warranty.
- Remove the retaining locknut from the nipple on the SPD83905. Feed the wires and nipple into the ½” knockout hole. Use appropriate hardware if unit is to be installed outdoors. Secure the SPD in place with the lock nut.
- Connect the two black wires as shown in illustrations.
- Connect the green wire to ground buss bar.
- Ensure all wiring is correct and securely fastened.
- Restore power and verify green LED is “ON”.
- Periodically check LED status lights confirming unit is functioning properly
Installation tips : For best performance ensure conductor length is as short as possible. Hard 90-degree bends will reduce effectiveness.
120V two wire installation of the SPD 83905
- Turn off all power to the equipment the protector is to be installed and verify power is off with appropriate meter.
- Connect the two black wires of the SPD 83905 to the equipment black wire, and ensure wiring is securely fastened.
- Connect the green of the SPD 83905 to the equipment ground wire and ensure wiring is securely fastened.
- Restore power and verify green LED is “ON”.
- Periodically check LED status lights confirming unit is functioning properly.
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