Flame Sensor; Burner Orifi Ces; Gas Conversion; Electrical Wiring - Hayward H135ID Service & Installation Manual

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7. Pull the igniter straight back until it is free of the combustion chamber, then out of the air box.
8. Reverse the above procedure to install the igniter.
FLAME SENSOR REPLACEMENT:
Refer to Figure 02 and Figure 15 as needed.
To remove the fl ame sensor:
1. Turn pump, gas supply, and heater power OFF.
2. Remove the front access panel.
3. Disconnect the wire from the ignition board.
4. Remove the screws that secure the fl ame sensor to remove the sensor.
5. Reverse the above procedure to install the fl ame sensor.
BURNER ORIFICE REPLACEMENT:
Refer to Figure 02 and Figure 15 as needed.
To remove the burner orifi ces:
1. Turn pump, gas supply, and heater power OFF.
2. Disconnect the union joint in the gas supply piping outside the heater cabinet.
3. Remove the front access panel.
4. Disconnect the wires from the terminals on the gas
5. Remove the gas manifold assembly. It is attached to the air box using (4) screws.
6. Remove the orifi ces using a 7/16" wrench.
7. After cleaning or replacing orifi ces re-install into the gas manifold pipe being careful not to cross-
thread or over tighten as a leak may result.
ATTENTION: Do not enlarge orifi ce holes.

GAS CONVERSION:

The factory-installed gas train may be changed from natural gas to propane or from propane to natural gas
using the appropriate conversion kits available from the factory. Gas conversions are to be performed only by
a qualifi ed service agency. Detailed instructions are included with each

ELECTRICAL WIRING:

ATTENTION: If it is necessary to replace any of the original wiring, it must be replaced with Hay-
ward supplied replacement parts.

IGNITION CONTROL SYSTEM:

The ignition control system in this heater consists of 2 printed circuit boards (the ignition control board
and the display board) and a keypad. The locations of these components are shown
tion control system functions as the heater's thermostat, safety control system, and
combustion system.
valve.
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Pomona, CA Clemmons, NC Nashville, TN
Tel: 908-355-7995
kit.
in Figure 15. The igni-
controller for the gas
www.hayward-pool.com