Hayward H150FDN Manual de usuario

HxxxFD(N/P)ASME

Universal HSeriesHeaters

TroubleshootingGuide

HxxxFD(N/P)

High Voltage Electrocution Hazard

Hazardous voltage can shock, burn, cause serious injury

and or death. To reduce the risk of electrocution and or

electric shock hazards:

•Only qualified technicians should remove the panel

•Replace damaged wiring immediately

•Insure panel is properly grounded and bonded

Warning

Safety Precautions

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.

-64

7. “IO” or “SB” Code

-39

8. “SF” or “HS” Code

-41

9. “PF” Code

-43

10. “HF” Code

-45

11. “LO” Code

-51

12. “IF” Code

-55

13. “AC” Code

-57

14. “AO” Code

-60

Heat Exchanger:

Flow requirements

Heat Exchanger: Inspection

Heat Exchanger: Potential Failure Causes

UHS Wiring Schematic

UHS

Wiring Diagram

A Remote Control: 24VAC (E1)

B Flame Sensor (E4)

C Temperature Sensor (E2)

D Display Output: 24VAC (E7)

E 3A Fuse (F1)

F Low Voltage R & C: 24VAC (E12,

E13)

G Gas Valve & Safety Switches:

24VAC (E11)

H High Voltage: 120VAC (E10)

I Blower/Inducer (E6)

J Ignitor (E3)

J I

Integrated Control Board Layout (ICB)

A Power connection for junction boxes:

120/240VAC (P1) After Aug 08

Terminal block for field wiring

connections: 120/240VAC (TB1) Before

Aug 08 Input

Voltage Selector 240 OR 120VAC

determined by plug (P2): NOTE: 240VAC

plug factory installed

Fuse: 3A protect primary input voltage,

will fail with excessive voltage, improper

wiring, shorted transformer or fuse

board (FC1 & FC2)

E Transformer Primary: 120/240VAC (P3)

F Transformer Secondary: 24 (left) &

120VAC (right) (P4)

Fuse: 1.5A protects transformer

secondary, will fail if short occurs

between fuse & ICB (FC3)

Fuse: 2.5A protects transformer high

voltage secondary, will fail with blower,

ignitor or ICB failure (FC4)

I Low Voltage Output: 24VAC (P5)

J High Voltage Output: 120VAC (P6)

Fuse Circuit Board Layout

G H

Fuse board configuration Prior to November 2010 (Older Style)

Fuse Circuit Board Layout

Fuse board configuration as of November 2010 (Newer Style)

Changes compared to older style fuse board:

Fuse: (FC3) has been removed, since the

F1 fuse was added to the ICB

H Fuse: (FC4) is now a 3A fuse, matching

the FC1 & FC2

NOTE: Fuses located on THIS board are all 250v SLO-BLO 5 x 20 mm.

Hayward Part # FDXLFSK19F30 (Qty. 10)

The control continually compares the set temp to the actual water temp. When

the water temp is 1º below the set point the following sequence starts:

1. The control checks for open blower vacuum switch

2. Blower starts pre-purge cycle as the ignitor heats up (20 Sec).

3. The control checks for a closed blower vacuum switch.

4. At proper ignitor temp, a 4 second trial begins. Gas valve opens and

monitors flame sense. The blower will turn off for one second. The ignitor

is de-energized at flame sense or at completion of 4 sec trial. If the flame is

sensed, The blower vacuum switch, control loop, temp sensor & flame

sensor are constantly monitored during call for heat.

5. When set temp is reached, the control ends the call for heat. The gas valve

is de-energized, and the flame is extinguished.

6. The blower will operate for a 30 second post purge.

UHS Sequence of Operation: Normal

NOTE: If during step four, the heater fails to fire, please procced to the next page for

more details outlining failure to light operations.

If trial fails:

1. Gas valve de-energizes (for 30 second, blower post purge).

2. Starts over at #2 of heating mode sequence.

3. Retries 3 times until lockout (IF code).

4. Waits 60 minutes then retries 3 more times.

5. Will continue to retry every 60 minutes, until demand for heat is

stopped.

NOTE: When making keypad entries of any type there may be a 5-10 sec delay for

certain situations.

UHS Sequence of Operation: Failure to Light

UHS Electrical & Gas Connection

Connections located on both the left & right side of heater cabinet

Low Voltage

High Voltage

Gas Supply

Bonding Lug

Electrical & Gas connections as of September of 2008 (Newer Style)

Electrical & Control Connections (cont.)

Fig. 1

Ground connection

Two Wire Remote

Connection:

Orange (Pool) and

White (Common)

Three Wire Remote

Connection:

Orange (Pool),

White (24V), & Red

(Spa).

120VAC or 240VAC

Connection

Electrical connections as of September of 2008 (Newer Style)

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