Laing Thermotech ACT-4 Installation, Operation And Maintenance Manual Download | Manualshive

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Installation

Preinstallation

CAUTION:

All work must be performed by qualified personnel trained in the proper application,
installation, and maintenance of plumbing, steam and electrical equipment or systems in
accordance with all applicable codes and regulations.

The pump and valve as received in this kit are factory paired and wirelessly communicate
water temperature and pump status with each other.
Before installation of the pump and valve, complete the following:

• Shut off water supply.
• Turn off hot water source.
• Drain the lines.
• Allow the system to cool to a safe handling temperature, below 100°F (38°C) and a

zero pressure condition.

Installation

8

Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance

Manual

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Summary of Contents for ACT-4

Page 1: ...Installation Operation and Maintenance Manual Laing Thermotech ACT 4 wireless Potable Hot Water Recirculation Kit ...

Page 2: ......

Page 3: ...ing Startup Operation and Shutdown 13 Thermostat controlled operation 13 Thermostat controlled operation Plus Timer 13 Optional Push Button Signal Repeater 14 Maintenance 16 Valve and pump inspection 16 Pairing after pump or valve replacement 16 Replace the batteries 16 Return to service after shutdown of two weeks or more 17 Troubleshooting 18 LED codes 18 Operation troubleshooting 18 Table of Co...

Page 4: ...is manual could cause death serious personal injury or damage to the equipment This includes any modification to the equipment or use of parts not provided by Xylem If there is a question regarding the intended use of the equipment please contact a Xylem representative before proceeding Do not change the service application without the approval of an authorized Xylem representative CAUTION You mus...

Page 5: ...mples of other categories that can occur They fall under the ordinary hazard levels and may use complementing symbols Crush hazard Cutting hazard Arc flash hazard User safety General safety rules These safety rules apply Always keep the work area clean Pay attention to the risks presented by gas and vapors in the work area Avoid all electrical dangers Pay attention to the risks of electric shock o...

Page 6: ...nd lock out power before you service the pump Check the explosion risk before you weld or use electric hand tools Wash the skin and eyes Follow these procedures for chemicals or hazardous fluids that have come into contact with your eyes or your skin Condition Action Chemicals or hazardous fluids in eyes 1 Hold your eyelids apart forcibly with your fingers 2 Rinse the eyes with eyewash or running ...

Page 7: ... radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encourag...

Page 8: ...3 4 Isolation shut off valve and associated adapters and nipples optional if pump desired to be isolated for maintenance Verify the type of 1 2 connection that may be required for the stainless steel flex hoses Compression or NPT IPS Operational specifications Operational limits Pump and valve Operating medium Water Maximum working pressure 145 PSI 10 bar Minimum operating differential pressure Va...

Page 9: ...requirement at the valve has been satisfied a signal is sent to turn off the pump This system prevents continuous running and saves energy For more energy savings the ACT 4 wireless pump can be set for Timer Operation to run only during the time periods when hot water is most frequently required An optional push button signal repeater device is available to provide instant hot water with a touch o...

Page 10: ...as received in this kit are factory paired and wirelessly communicate water temperature and pump status with each other Before installation of the pump and valve complete the following Shut off water supply Turn off hot water source Drain the lines Allow the system to cool to a safe handling temperature below 100 F 38 C and a zero pressure condition Installation 8 Laing Thermotech ACT 4 wireless P...

Page 11: ...if required 5 3 4 NPT isolation valve 6 Hot water source 7 Hot water 8 Flexible supply line Install the pump 1 Remove the motor and timer unit O ring and insert from the pump housing Set these items aside Installation Laing Thermotech ACT 4 wireless Potable Hot Water Recirculation Kit Installation Operation and Maintenance Manual 9 ...

Page 12: ...using 5 Orient the pump so that the timer is accessible The timer should never be positioned in any orientation above the pump housing 6 Make sure that the screw ring that attaches the motor to the pump is securely hand tightened Do not attempt to further rotate the pump timer or the pump may be damaged Over tightening the pump screw ring can cause damage to the pump Do not use pipe compound or pl...

Page 13: ... shut off completely If so turn off the water at the main water inlet valve to the house 3 Remove the existing flexible line connections to the hot and cold water faucet tap threaded nipples Use a bucket to collect any excess drainage a If necessary replace existing flexible hoses with new stainless steel braided flexible hoses in the lengths required 4 Screw on the two existing 1 2 hose connectio...

Page 14: ...emove the locking screw from the battery compartment cover on the valve Insert the batteries in their proper orientation into the compartment on the valve Be sure to match the positive and negative ends of the batteries with the corresponding polarity symbols on the bottom of the housing Installing one battery in reverse will result in improper system operation Return the locking screw to its prop...

Page 15: ...t running immediately and turn off after a few minutes when hot water reaches the faucet tap The pump continues cycling on and off as required during the programmed sequence of operation Do not be concerned if the pump does not begin to run immediately after the pump is plugged in or at times throughout normal operation This just means that there is already hot water at the hot water faucet tap Th...

Page 16: ... Push Button Signal Repeater The pump and valve as received in this kit are factory paired and wirelessly communicate water temperature and pump status with each other An optional push button device is available to provide instant hot water regardless of the circulator pump s timer setting This device also works as a signal repeater extending the operational range between the pump and valve Commis...

Page 17: ...sh button signal repeater has been paired with the pump it can be relocated to a different outlet without having to be re paired The pump is capable of pairing with only two devices the valve and the optional push button signal repeater Signal Repeater Operation When used as a signal repeater the device will extend the operational range of the ecocirc wireless hot water recirculation kit beyond th...

Page 18: ...h from the OFF position to the ON position 4 Wait two 2 seconds and slide the switch to the OFF position 5 Wait two 2 seconds and return the switch to the ON position When the device is successfully paired the LED in the thermostat knob is lit The pump is now ready for service Replace the batteries The system is designed to provide effective communication between the pump and valve for approximate...

Page 19: ...e Before turning the system back on follow these instructions 1 Open the faucets taps at the sink where the system is installed Keep them open until all air is purged and the water flows smoothly 2 Slide the pump switch back to either the ON position or the clock position for Timer Operation Maintenance Laing Thermotech ACT 4 wireless Potable Hot Water Recirculation Kit Installation Operation and ...

Page 20: ...hort fast flashes Push button signal repeater is in pairing mode Operation troubleshooting Symptom Cause Remedy Pump does not turn on Timer slide switch is set to OFF position or timer clock is not programmed to allow operation Set the slide switch to the ON position or program the timer clock Water at the valve is already at the set temperature and does not require pump operation Pump will turn o...

Page 21: ...rify temperature setting at hot water source Verify hot water source operation Distance between the pump and valve is greater than 150 ft 45 m Install a signal repeater push button to assist communication between pump and valve Water at faucets tap is too hot The temperature setting on the hot water source is too high Adjust temperature setting on hot water source Pump is overheated Hot water sour...

Page 22: ...revolutions to make sure it can freely spin Blocked rotor inside pump Foreign matter in the rotor cavity 1 Unplug pump and shut off water supply 2 Open faucets taps and drain water from the piping 3 Loosen the screw ring to separate motor from the pump housing and check for foreign matter Low input voltage to pump Improper power to pump outlet Consult electrician to determine cause WARNING Extreme...

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Page 24: ...han 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise backed by a legacy of innovation For more information on how Xylem can help you go to xyleminc com Xylem Inc 3873 Willow Suite 104 Fresno CA 93725 Tel 1 559 265 4730 Fax 1 800 453 4730 http unitedstates xylemappliedwater com brand...

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