Raypak P-R185BL to P-R405BL Manuel d'utilisateur télécharger pdf (Page 40)

If pilot burner remains lit.

Jump across pressure

switch terminals

If main burner does not

fire, remove jumper

Check for adequate water

flow from filter

Replace pressure switch

Jump across thermostat

If main burner fires,

remove jumper

If main burner does

NOT fire...

Jump across each

high limit and remove

jumper

Replace thermostat

Replace high limit that

caused heater to fire

Jump across both "TH"

wires on gas valves

Check gas supply, gas

line size, gas pressure.

Also check for insects

or debris in pilot output.

If pilot burner

does not light

Light pilot

If pilot burner goes out

when main burner lights

or when gas valve knob

is released

If burner does not remain

lit, attach millivolt meter

and read pilot output.

If below 500mV, check

gas pressure. Also check

for insects or debris in

the pilot burner

If main burner fires,

remove jumper

Replace

gas

valve

If main burner does not

fire, remove jumper

Remove both "TH"

wires from gas valve.

Relight pilot

If pilot burner stays on

Problem is a wire or

component short to

cabinet or low gas

pressure

If above 500mV,

replace gas valve

Clean filter

If main burner fires,

remove jumper

ELECTRICAL (STANDING PILOT MILLIVOLT)

If output is still low,

replace pilot generator.

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.

RAYPAK POOL OR SPA HEATER

ELECTRICAL CHECK WITH MV GAS VALVE

Raw Output (700mV± 100)

Pilot generator disconnected from valve (knob must

be held down to keep pilot on).

White – Negative

Red + Positive

Pilot Load (500mV± 100)

Pilot generator connected to valve-Power applied to

pilot solenoid.

TP(Thermopile-Robertshaw)

PP(Power Pile-Honeywell)

TH TP – Common

TH PP – Common

Main Valve Load (200mV± 100)

Control/Limit circuit closed (All switches "ON")

TP(Thermopile-Robertshaw)

PP(Power Pile-Honeywell)

TH TP – Common

TH PP – Common

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Raypak P-R185BL to P-R405BL Manuel d'utilisateur Page 40

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