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Hayward H400FDN User Manual

Hayward H400FDN
65 pages
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3
Table of Contents
ICB and Fuse Board Layout 4-6
UHS Sequence of Operation:
Normal/Failure to Light
7-8
UHS Gas and Electrical Connections
9-11
How To:
Pg.
12-17
Program Heater Bypass &
Temperature Lockout
13-15
Test/Adjust Gas Pressure 16-17
Troubleshooting:
Pg.
18-64
Diagnostic Codes and Part Numbers
19-20
1. Heater not powering up
21-26
2. Open FC1&/FC2 Fuse
27-28
3. Open FC3&/F1 Fuse
29-31
4. Open FC4 Fuse
32-33
5. “BD” Code
34-35
6. “EE” or “CE” Code
36-37
Troubleshooting (cont.):
Pg.
18
-64
7. “IO” or “SB” Code
38
-39
8. “SF” or “HS” Code
40
-41
9. “PF” Code
42
-43
10. “HF” Code
44
-45
11. “LO” Code
46
-51
12. “IF” Code
52
-55
13. “AC” Code
56
-57
14. “AO” Code
58
-60
Heat Exchanger:
Flow requirements
61
Heat Exchanger: Inspection
62
Heat Exchanger: Potential Failure Causes
63
UHS Wiring Schematic
64
UHS
Wiring Diagram
65

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Hayward H400FDN Specifications

General IconGeneral
TypeNatural Gas
BTU Input400, 000 BTU
Pool TypeIn-ground
Heat ExchangerCupro Nickel
Voltage120V
Efficiency84%
Water Flow Rate40-120 GPM
Inlet/Outlet Size2 in
IgnitionElectronic

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