Raypak P-R185B To P-R405B, C-R185B To P-R405B, P-R185BL To P-R405BL, C-R185BL To C-R405BL, RP2100

SECTION 5 / TROUBLE SHOOTING GUIDE

MECHANICAL(FORQUALIFIEDSERVICEPERSONNELONLY)

IMPORTANT NOTICE These instructions are primarily intended for the use of qualified personnel specifically trained and experienced in the installation of this type of heating equipment and related system components. Installation and service personnel may be required by some states to be licensed. Persons not qualified shall not attempt to install this equipment nor attempt repairs according to these instructions.

PROBLEM	CAUSE			SOLUTION
Harmonics, or whining noise	U.G. inoperative			Check movement by putting in hot water (110°F or
				higher). If no movement, replace.
	*Debris or restriction in system			Locate the restriction and remove. Flush system
				and clean.
	*Debris in gas line			Remove debris or blow out gas line.
	Low	flow		Scale forming in heat exchanger - clean heat
				exchanger and check pool pH and total alkalinity.
Heater going on and off	Dirty	filter		Backwash filter.
continuously	Low water level in pool			Raise water level.
	External bypass setting out of
	adjustment			Adjust	bypass
	*Pressure switch out of
	adjustment			Adjust	pressure	switch
Liming or scale forming on	Pool water			Recommended pH should be between 7.4 and 7.8
heat exchanger				Total alkalinity 100-150 PPM maximum.
				Hardness 150-400 PPM maximum.
Sooting	High	flow	rates	Reduce by adding manual bypass valve. Adjust
				manual bypass valve until heater outlet water
				temperature is between 105° and 110°F.
	U.G. Inoperative			Check movement by putting in hot water (110°F
				or higher). If no movement, replace.
	*Air	starvation		Refer to installation instructions.
	*Improper venting			Follow recommended installation instructions.
	*Insects or debris clogging
	burner intake ports			Clean burners.
Pilot outage	Low	gas	pressure	Adjust gas pressure.
	Restricted		pilot	Clean pilot.
	Weak pilot generator			Replace pilot.
Yellow lazy flame	Low	gas	pressure	Adjust gas pressure.
	*Insects or debris clogging
	burner intake ports			Clean burners.
Outer jacket very hot	*Broken refractory caused by
(paint blistered)	shipping damage or improper
	combustion			Replace refractory panels.
	Excessive sooting of heat
	exchanger			Determine cause of sooting & correct.
Takes long time to heat	Calculate temperature in °/hr			Heat rise (°/hr.)=		Htr. output
pool or spa.						Pool gallonage x 8.33
				or refer to heater sizing chart. This does not take into
				account heat loss due to weather.
	Filter not running long enough			Reset time clock.
	Dirty	filter		Clean filter.
	Gas line or meter undersized			Refer to installation instructions.
Liming	Bypassing too much water			Inspect bypass for movement, if no movement,
				replace.
	U.G. not functioning			Replace if no movement when heated.
Leaking at well.	Overacid			Replace well and maintain water chemistry properly.
Leaking at heat exchanger.	Overacid			Replace heat exchanger and maintain chemistry
				properly.
Gasket brittle and leaking -	Heater running after pump
(overheated).	shuts off			See pressure switch adjustment.
	Refractory damage			Replace refractory.
	Sooted heater			Determine cause of sooting and correct.
Combustion fan not running	Fan	relay		Replace fan relay
	Fan			Loose connection or failed motor
	Burned motor			Incorrect wiring,		replace blower

(* Indicates symptom usually occurs on initial start-up.) 39