Internal Wiring; Fuse Specifications - Hayward Universal H-Series Low NOx Service & Installation Manual

INTERNAL WIRING:

If the heater display is blank after the electrical has been installed see Figures 43 and 44 to determine the
cause. The ribbon cable between the display board and the ignition control board is polarized and cannot be
inserted upside down if it was removed when electrical was done.

FUSE SPECIFICATIONS:

The fuse designations are printed on the ignition board and the control board. See Figure 26 for board lo-
cations. Fuses are available as common hardware items or may be purchased from Hayward in a service parts
kit. The fuse specifications are:
• F1 fuse (low voltage): 3A blade style fast-acting automotive fuse, type 257
• FC1 & FC2 (transformer primary): 3A slo-blo fuse, 5 x 20 mm
• FC4 (transformer secondary) fuse: 3A slo-blo, 5 x 20 mm
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Pomona, CA Clemmons, NC Nashville, TN
Tel: 908-351-5400 www.haywardpool.com
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