B

A

Fig. 70

WATER PRESSURE SWITCH (Fig. 69)

Locate and remove the screw (I) from the water pressure switch. Remove the wiring. Carefully remove the switch. Replace in the reverse order.

FLOW SENSOR (PRIMARY THERMISTOR) (Fig. 1)

Unclip and remove the air chamber front cover. Unclip the primary thermistor from the flow outlet pipe. Disconnect thermistor electrical plug. Replace in the reverse order.

RETURN SENSOR (RETURN THERMISTOR) (Fig. 1)

Unclip and remove the air chamber front cover. Unclip the return sensor from the return inlet pipe. Disconnect sensor electrical plug. Replace in the reverse order.

PRINTED CIRCUIT BOARD (Fig. 71)

Pull the control slightly forward and lower it. Push the clips (A) and remove cover, after carefully taking note of all wiring connections and jumper tag configurations; unhook and remove connection block (B). Disconnect all wiring from the PCB, locate and remove the PCB securing screws, remove the required PCB. Replace in the reverse order ensuring that the position of the 3 control knobs are correctly aligned with the respective potentiometers on the PCB.

Ensure that the correct jumper configuration has been made. It will be necessary to check the functioning of the PCB is set for the correct boiler type/application.

GAS VALVE (Fig. 72)

The gas valve must be changed as complete unit. Disconnect the electrical plug and leads from the gas valve, slacken and unscrew upper gas valve pipe, please note that the gas injector is located in this upper part. Disconnect the compensation pipe

(C). Locate and remove the two retaining screws (D); locate and remove the four gas valve retaining screws (E). Replace in the reverse order. Check and adjust burner pressure settings.

WARNING, A GAS TIGHTNESS CHECK MUST BE CARRIED OUT.

 

XPak 85

 

E

 

C

 

D

 

E

 

XPak 120

 

E

 

C

 

D

Fig. 72

E

INJECTOR (Fig. 72)

Slacken and unscrew upper gas valve pipe; locate and remove only two screws (D). Locate and remove the injector (F) inside the pipe. Replace in the reverse order. Check and adjust burner pressure settings.

WARNING, A GAS TIGHTNESS CHECK MUST BE CARRIED OUT.

ELECTRODES & CONDENSATE SENSOR (Fig. 73)

Unclip and remove the air chamber front and right hand side covers. Disconnect the electrode leads and ancillary wiring from their respective connectors. Remove the retaining screws (A) for spark and sensing electrodes and remove. Remove the retaining nut (C) for condensate sensor (D) and remove.

NOTICE: The gas valve sticker “WARNING: VALVE IS NOT FIELD SERVICEABLE” means the valve can be adjusted but not disassembled.

B

A

Fig. 71

F

I

H G

A

D

C

Fig. 73

53

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Page 53
Image 53
Raypak 120, 85 manual Water Pressure Switch Fig, Flow Sensor Primary Thermistor Fig, Return Sensor Return Thermistor Fig
Page 52 Page 54

120, 85 specifications

The Raypak 120,85 is a prominent model in the realm of pool and spa heating solutions, designed to deliver unmatched efficiency and performance. Renowned for its robust features and innovative technologies, the Raypak 120,85 stands out as a reliable choice for homeowners seeking to maintain the perfect water temperature in their pools and spas.

One of the primary characteristics of the Raypak 120,85 is its impressive heating capacity. With a total output of 120,000 BTUs, this heater quickly and efficiently warms up water, ensuring that users can enjoy comfortable swimming conditions regardless of the outdoor temperature. The 85 indicates its ability to deliver consistent performance even in cooler climates, making it an adaptable option for various geographical locations.

The Raypak 120,85 is equipped with a state-of-the-art, copper fin tube heat exchanger, which provides superior heat transfer efficiency. This technology enhances the heater's ability to warm water rapidly while maintaining energy efficiency. Additionally, the copper material is known for its durability and resistance to corrosion, ensuring a long lifespan for the heat exchanger.

Another key feature of the Raypak 120,85 is its electronic ignition system. This innovation eliminates the need for a standing pilot light, which not only saves energy but also enhances safety by reducing the risk of gas leaks associated with traditional ignition systems. The electronic ignition provides precise control, ensuring a reliable start each time.

The Raypak 120,85 also boasts a digital display control panel, allowing users to easily monitor and adjust the water temperature settings. This intuitive interface provides accurate readings and simplifies the operation, making it accessible for all users, regardless of their technical expertise.

Furthermore, this heater is designed with a compact footprint, making it suitable for a variety of installation spaces, whether it’s in a pool equipment area or near a spa. Its robust build quality and weather-resistant design ensure that it can withstand the elements, making it a durable and long-lasting investment.

In summary, the Raypak 120,85 combines advanced heating technology, robust construction, and user-friendly features. With its high BTU output, efficient heat exchanger, electronic ignition, and digital controls, it represents a top-tier option for anyone seeking reliable and effective heating solutions for pools and spas. Whether for leisure or relaxation, the Raypak 120,85 promises to deliver an optimal swimming experience, season after season.
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