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Summary of Contents for Laing Thermotech ACT-4
- Page 1 Installation, Operation and Maintenance Manual Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit...
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Page 3: Table Of Contents
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 Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual... -
Page 4: Introduction And Safety
They are published to help prevent these hazards: • Personal accidents and health problems • Damage to the product • Product malfunction Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual... -
Page 5: User Safety
• Hard hat • Safety goggles, preferably with side shields • Protective shoes • Protective gloves • Gas mask • Hearing protection Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual... -
Page 6: Environmental Safety
• Report all environmental emissions to the appropriate authorities. WARNING: Radiation Hazard. Do NOT send the product to Xylem if it has been exposed to any nuclear radiation. Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual... - Page 7 Changes or modifications not expressly approved by the manufacturer responsible for compliance could void the user’s authority to operate the equipment. Certifications CSA Certified: NSF/ANSI-372 Compliant Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual...
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Page 8: Product Description
Product Description Product Description General description The ACT-4 wireless is a potable hot water recirculation kit for use in new and retrofit domestic hot water systems. The kit helps to: • Improve comfort through instant hot water • Save energy •... - Page 9 Cold water Hot water flex hose cold water flex hose Hot water supply hose Cold water supply hose ACT-4 wireless mixing valve 10. Optional push-button / repeater Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual...
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Page 10: Installation
• 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. Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual... -
Page 11: Recommended Installation
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. Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual... - Page 12 8. Turn on the faucet/taps or shower farthest from the hot water source until there is a steady stream of water with no sputter or evidence of air in the lines. Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual...
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Page 13: Install The Valve
Inspect the rubber washers in the hose connections to ensure that they are in reusable condition. If not, replace. Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual... - Page 14 Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual...
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Page 15: Commissioning, Startup, Operation, And Shutdown
If not, rotate the dial clockwise until the correct time is aligned with the pointer at the top (12 o'clock position) of the dial. Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual... -
Page 16: Optional Push-Button / Signal Repeater
This device also works as a signal repeater, extending the operational range between the pump and valve. Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual... - Page 17 When used as a signal repeater, the device should be installed at an outlet at an intermediate location between the pump and valve. Device pairing is not required when used as a signal repeater. Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual...
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Page 18: Maintenance
When new batteries are inserted into the valve, the valve will resume communication with the pump. CAUTION: Risk of property damage or personal injury. You must replace the valve if battery leakage is found. Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual... -
Page 19: Return To Service After Shutdown Of Two Weeks Or More
2. Slide the pump switch back to either the "ON" position or the clock position for Timer Operation. Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual... -
Page 20: Troubleshooting
GFCI is tripped. Verify the “TEST” and “RESET” of the GFCI outlet that the pump is plugged into. Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual... - Page 21 Install a push-button / signal repeater valve is greater than 150 ft (45m) or to assist communication between disruptive media interferes with pump and valve communication. Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual...
- Page 22 Improper power to pump outlet Consult electrician to determine cause. WARNING: Extreme temperature hazard. Water temperature above 125°F (51°C) can cause severe burns or scalding instantly. Laing Thermotech ACT-4 wireless Potable Hot Water Recirculation Kit Installation, Operation and Maintenance Manual...
- Page 24 The original instruction is in English. All non-English instructions are translations of the original instruction. Tel: 1-559-265-4730 Fax: 1-800-453-4730 © 2013 Xylem Inc http:// Laing Thermotech is a trademark of Xylem Inc or one of unitedstates.xylemappliedwater.com/ its subsidiaries. brands/laing-thermotech/ 6-71-075-145...
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