4.Provide an external surge suppressor capable of maintaining system integrity.

5.Provide overload protection and a disconnect means for equipment serviceability as required by local and state code.

6.Install boiler controls, thermostats, or building management systems in accordance with the applicable manufacturer’s instructions.

7.Conduit should not be used as the ground. There must be a solid wired ground.

NOTE: A grounding electrode conductor shall be used to connect the equipment grounding conductors, the equipment enclosures, and the grounded service conductor to the grounding electrode.

Fig. 18: Field Wiring Connections

BREAK THE WIRE NUT AT THE

BOILER "TH" CONNECTIONS AND

ATTACH TO THE SINGLE TANKSTAT

PER ILLUSTRATION

Fig. 19: Single Stage Tankstat

"TH" leads. Before starting the boiler, ensure that there is proper voltage to the boiler and pump.

The boiler must be electrically grounded in accordance with National Electrical Code ANSI/NFPA No. 70 and CSA C22.1 C.E.C. Part 1 in Canada.

Electrical Connections — Domestic Hot Water

DANGER — SHOCK HAZARD — Make sure electrical power to the heater is disconnected to avoid potential serious injury or damage to components.

CAUTION: When servicing controls, label all wires prior to disconnection. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing.

The ADB is wired for 120 VAC. The voltage is indicat- ed on the tie-in leads. Consult the wiring diagram shipped with the boiler in the instruction packet. The "TH" leads are for the remote tank control through the boiler transformer. DO NOT attach line voltage to the

BREAK THE WIRE NUT AT THE

BOILER "TH" CONNECTIONS AND

ATTACH TO THE DUAL TANKSTAT

PER ILLUSTRATION

Fig. 20: 2-Stage Tankstat

Notes:

1.Field installed ground to inside of junction box.

2.If any of the original wire as supplied with the boil- er must be replaced, it must be replaced with 105°C wire or its equivalent.

24

Page 23 Page 25
Page 24
Image 24
Raypak 751 manual Electrical Connections Domestic Hot Water, Field Wiring Connections
Page 23 Page 25

751 specifications

The Raypak 751 is a high-efficiency, gas-powered pool and spa heater renowned for its advanced technology and durability. Designed with innovative features, the Raypak 751 prioritizes user convenience and energy efficiency, making it an excellent choice for pool owners seeking reliable heating solutions.

One of the standout features of the Raypak 751 is its robust heat exchanger, built from the finest materials to ensure long-lasting performance. This model utilizes a copper heat exchanger which is highly conductive, allowing for rapid heating of water and maintenance of consistent temperatures. Its design also minimizes scale buildup, extending the longevity of the heater.

The Raypak 751 is equipped with advanced digital controls that make it user-friendly. The intuitive interface allows for precise temperature settings and monitoring, ensuring optimal performance. Additionally, the heater features a temperature display that provides real-time updates, giving users peace of mind when adjusting their pool's environment.

Energy efficiency is a hallmark of the Raypak 751, thanks to its low NOx burner technology. This feature meets stringent environmental regulations while also lowering operational costs. By optimizing fuel usage, the heater not only contributes to reducing greenhouse gas emissions but also provides a more economical heating option for pool and spa owners.

The rugged construction of the Raypak 751 is another characteristic that sets it apart. Its heavy-duty cabinet is designed to withstand the elements, ensuring reliable operation in various weather conditions. The heater is available in multiple configurations, including both natural gas and propane options, allowing for flexible installation depending on the user's needs.

Furthermore, the Raypak 751 incorporates safety features, such as an integrated pressure switch that prevents operation when water flow is insufficient. This protects both the heater and associated plumbing from damage due to overheating or dry firing.

In summary, the Raypak 751 combines cutting-edge technology with user-centric features to deliver a superior pool heating experience. Its high-efficiency performance, durable construction, and advanced safety features make it a top choice for anyone looking to enhance their pool or spa. Whether for residential or commercial applications, the Raypak 751 ensures warmth and comfort, enriching the overall swimming experience.
Top Page Image Contents