USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
9
Remote Control Wiring/Operation
The 2.70 THP VS pump family can be controlled in a wide variety of ways as described below:
1. They can operate by themselves in Stand-Alone Mode using their built-in programmable timers.
2. They can also be controlled from third party controls (i.e. another manufacturer’s control) and Hayward controls that are not software compatible using relay
contacts. See page 13 for more information regarding connecting this pump and third party/non-software compatible Hayward controls.
3. They can communicate with and be controlled by Hayward pool and spa controls. See page 14 for more information regarding connecting this pump and
Hayward pool and spa controls.
SVRS Notes (Only applicable to SVRS pump models)
The Safety Vacuum Release System (SVRS) model is designed to provide an additional layer of protection against body suction entrapment. It complies with
ASME/ANSI A112.19.17-2002 SVRS standard.
1. SVRS devices shall only be installed in conjunction with an ASME A112.19.8 suction fitting, or a 12 in. x 12 in. (305 mm x 305 mm) drain grate or larger,
or an approved channel drain at each suction outlet or drain outlet.
2. Check valves and hydrostatic valves shall not be used in suction systems protected by SVRS devices.
WARNING – The presence of a hydrostatic valve in the suction piping has been shown to prolong the high vacuum present at the drain, even though
the drain was protected by an SVRS device.
3. All SVRS devices shall be factory set or field adjusted to site-specific hydraulic conditions. Once installed, the system shall be tested by simulating an
entrapment event.
4. A ball, butterfly, or sliding gate valve shall be installed within 2 ft. (0.6 m) upstream from the SVRS (between the SVRS and the protected suction outlet), or
a test mat shall be used to cover the suction outlet to simulate an entrapment event. There shall be three simulated entrapment tests conducted to verify
proper adjustment and operation of the device.
5. One SVRS device shall be installed for each circulating pump plumbed directly to the suction outlet(s) without the use of valves that could isolate the SVRS
device from the suction system.
Digital Control Interface Orientation
The Digital Control Interface can be rotated to any of four desired positions after installation by loosening the two screws securing the user interface to the motor
drive, lifting the user interface and rotating it to the desired position, and tightening the two screws in the new position.
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