Leaking at well.

Overacid

Replace well and maintain water chemistry

 

 

properly.

Leaking at heat exchanger.

Overacid

Replace heat exchanger and maintain

Gasket brittle and leaking -

Heater running after pump

chemistry properly.

 

(overheated).

Shuts off

See pressure switch adjustment.

 

Refractory damage

Replace refractory.

 

Sooted heater

Determine cause of sooting and correct.

 

 

 

 

 

 

ELECTRICAL ( MILLIVOLT)

RAYPAK POOL OR SPA HEATER ELECTRICAL

CHECK WITH MV GAS VALVE CAUTION: For qualified service personnel only.

1. Filter must be on with adequate water flow through heater.

2. Gas valve must be "ON" position. Thermostat set higher than pool water temperature.

3. Jumpers are for temporary check only. If left in place, they could cause the heater to burn up.

Light pilot

If pilot burner remains lit.

Jump across both "TH"

wires on gas valves

 

 

 

 

 

 

 

 

If main burner fires,

 

If main burner does not

 

remove jumper

 

fire, remove jumper

 

Replace

gas valve

If pilot burner goes out when main burner lights or when gas valve knob is released

Remove both "TH"

wires from gas valve.

Relight pilot

If pilot burner does not light

Check gas supply, gas line size, gas pressure. Also check for insects or debris in pilot output.

 

Jump across pressure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

switch terminals

 

 

 

 

 

If pilot burner stays on

 

If burner does not remain

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

lit, attach millivolt meter

 

If main burner fires,

 

 

If main burner does not

 

 

 

 

 

 

 

 

 

 

 

 

 

and read pilot output.

 

remove jumper

 

 

fire, remove jumper

 

 

Problem is a wire or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

component short to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If above 500mV,

Clean filter

 

 

Jump across thermostat

 

 

cabinet or low gas

 

 

 

 

 

replace gas valve

 

 

 

 

 

 

pressure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check for adequate water

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If below 500mV, check

 

 

 

flow from filter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

gas pressure. Also check

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

for insects or debris in

 

 

Replace pressure switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the pilot burner

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If output is still low,

 

 

 

If main burner fires,

 

If main burner does

 

 

 

 

replace pilot generator.

 

 

 

 

 

remove jumper

 

 

NOT fire...

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace thermostat

 

Jump across each high

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

limit and remove jumper

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace high limit that

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

caused heater to fire

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

27

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Page 27
Image 27
Raypak 155C installation instructions Electrical Millivolt
Page 26 Page 28

155C specifications

The Raypak 155C is a versatile and efficient heater designed for both residential and commercial applications. Renowned for its robust construction and reliable performance, this unit is an excellent choice for pool and spa heating as well as for providing comfortable ambient temperatures in enclosed or outdoor spaces.

One of the standout features of the Raypak 155C is its innovative copper heat exchanger, which is designed for maximum heat transfer efficiency. This technology allows for rapid heating capabilities, ensuring that water reaches the desired temperature quickly and effectively. The heat exchanger is also resistant to corrosion, thanks to its durable design, prolonging the unit's life and maintaining performance over time.

Designed with user convenience in mind, the Raypak 155C features an intuitive digital control system. This user-friendly interface allows for easy temperature adjustments and monitoring, giving users precise control over their heating requirements. An integrated diagnostic system is also included, providing real-time feedback on the heater's performance and alerting users to any potential issues, which helps in proactive maintenance.

Incorporating advanced safety features, the Raypak 155C includes a high limit switch and a water flow switch, ensuring safe operation at all times. These safety mechanisms prevent overheating and dry firing, protecting both the heater and the connected plumbing system.

The Raypak 155C is engineered for energy efficiency, meeting and exceeding industry standards. With a compact design, it ensures easy installation and integration into existing setups, making it a favorable choice for various applications. Its quiet operation adds to user comfort, allowing it to be installed in residential settings without causing disturbances.

With a heating capacity of 155,000 BTU, the Raypak 155C is capable of effectively heating larger pools and spas, making it ideal for homes with extensive water features. The heater is designed to run on natural gas or propane, providing flexibility based on user preferences and availability.

Overall, the Raypak 155C combines state-of-the-art technology with practical features, making it one of the top choices for those looking to enhance their pool experience or improve comfort levels in their outdoor areas. Its reliability, efficiency, and user-friendly features make it a valuable investment for any property.
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