Hayward H300 User Manual

37
SECTION 7. TROUBLESHOOTING
! WARNING: For qualied service personnel ONLY!
This procedure assumes that the lter system is operating. Jumper wires are used for system checkout
only. Remove all jumper wires following system checkout or damage to heater may result.
From page 36.
Does the main burner re?
Does the main burner re?
Replace the system switch.
Does the main burner re?
Does the main burner re?
Remove jumper from thermostat
terminals.
Jump across each of the high
limits.
Jump across system switch
terminals.
Jump across each of the high
temperature limiter terminals.
Be sure the manual reset
high temperature limiter is not
thrown.
Replace the high temperature
limiter switch that caused the
heater to re.
Call Hayward Technical Service:
Pomona, CA (909) 594-1600
Elizabeth, NJ (908) 351-5400.
Replace the high limit that caused
the heater to re.
NO
NO
NO
YES
YES
YES
YES

Hayward H300 Specifications

General

Model	H300
Heat Exchanger	Cupro Nickel
Ignition	Electronic
Control	Digital
Minimum Flow Rate	20 GPM
Maximum Working Pressure	50 PSI
Type	Natural Gas/Propane
BTU Input	300, 000 BTU
Water Connections	2"