Hayward HDF275 Support and Manuals
Get Help and Manuals for this Hayward item
View All Support Options Below
Free Hayward HDF275 manuals!
Problems with Hayward HDF275?
Ask a Question
Free Hayward HDF275 manuals!
Problems with Hayward HDF275?
Ask a Question
Popular Hayward HDF275 Manual Pages
LITUHC22_Universal_HC_Series_Sell_Sheet_DIGITAL_2103 - Page 2
... making them an easy drop-in replacement for simple drop-in any environment
... installation easy in any way affiliated with added service convenience. Top-access design eliminates the need to remove side panels and kneel during service...
truck transport with no extra tie-down brackets required
TECHNICAL SPECIFICATIONS
Model Number
HDF400
HDF275
Gas BTU/hr Thermal Efficiency Heat Exchanger...
Universal HC Series Heater Troubleshooting Guide - Page 6
When the water temp is 1º below the set temp to the actual water temp. UHC Sequence of Operation: Normal
The control continually compares the set point the following sequence starts:
6
Universal HC Series Heater Troubleshooting Guide - Page 15
... gas valve
Step 7
IF inlet pressures are correct
Step 5
Step 6
Once the manometer is within range, then your manifold pressure should be correct per factory settings.
Universal HC Series Heater Troubleshooting Guide - Page 24
...harness holder (left). Pull temp sensor wiring
Step 19
Remove screw from holder and set aside.
pressure switch tubing
Step 20
Pull the thermistor (temperature sensor) wire out ... Ignitor pull out slightly then rotate 180 degrees then pull rest of way out. Remove diff.
Change/Replace Combustion Chamber (cont.)
Remove flame sensor
Step 17
Remove wire harness screw
Step 18
Remove the 2 ...
Universal HC Series Heater Troubleshooting Guide - Page 29
... ide.
HDXFBRN001
Control Access Panel Assy. Part Numbers
DesTcrhipetiofnollowing outlinSeesrvticheeKitvSaKrUious replacemenDtepscarirpttisonrequired for HDXFIGFS001
ExhaupstaGarstTenmup.mLimbit...Mixer Propane Fuel/Air Mixer
HDXFMXN400 HDXFMXP400
Union Flange Kit HDF Header O-Ring Kit Voltage Selector Jumper Fuse Service Kit Fuse Kit, 3.0A FWP (Qty. 10) Fuse Kit, 3.0A ICB (Qty. 10)...
Universal HC Series Heater Troubleshooting Guide - Page 34
... wires for 1.9 - 2.9 Ohms, then do the same between the black and brown
wires. IF not, power down, replace FC1 & FC2 fuses, &
switch plug to step 2B. IF OK and problem still
34
persists, contact technical support: (908) 355.7995. Open FC1 &/or F2 Fuse
Verify voltage selector plug
Step 2A
Inspect transformer wiring...
Universal HC Series Heater Troubleshooting Guide - Page 36
...resistance, comparing each terminal to step 3F. IF OK and the problem still exists, replace the
ICB (pg. 25)
36 Verify gas valve is damaged, replace the wire harness with a new wire harness kit (pg. 25... a short has occurred and the gas valve will need to be replaced.
Inspect ICB wiring.
Open F1 Fuse (cont.)
When testing the gas valve, if continuity appears between any...
Universal HC Series Heater Troubleshooting Guide - Page 37
IF wires are damaged, replace the damaged part (pg. 25). IF OK, go to 4B.
IF NOT, replace ignitor (pg. 25). IF correct, contact
37
technical support (908)355-7995. Verify 8-25 ohms between 20°-140°F. Disconnect ignitor from ICB & measure resistance of - 4. range, replace blower (pg. 25). IF correct, go to 4C.
Verify...
Universal HC Series Heater Troubleshooting Guide - Page 38
... wires).
Verify ICB output
Step 5C
With power off, verify the FC4 fuse has continuity. Service LED ON: 'BD' Code
Verify transformer output
Step 5A
Test the FC4 fuse (continuity)
Step 5B
Disconnect P4 from ICB. IF NOT, replace wire harness (pg. 25).
IF fuse is good, go to 5B. 5. Verify ICB input...
Universal HC Series Heater Troubleshooting Guide - Page 39
...
"CE" (communication error) indicates a problem between the ICB & display board. Display board
Step 6D
Verify ribbon cable is secure, replace display/bezel/keypad assy. (pg. 25) then go to 6D.
IF replacing ICB fails to 6B. Cycle power
OFF/ON. 6. Service LED ON: "EE" OR "CE" Code
"EE" Code
Step 6A
"CE" Code
Step 6B
"EE" error indicates the...
Universal HC Series Heater Troubleshooting Guide - Page 42
IF NOT, then the problem is related to step 9B. Reset is immediate after error is correct, go to source power and
must be corrected before error will display if low voltage...then replace the ICB (pg. 25).
42 IF voltage is corrected. Verify incoming power
Step 9A
Line voltage connections
Step 9B
Ensure voltage is defective.
Service LED ON: "PF" Code
"Polarity Failure" This code ...
Universal HC Series Heater Troubleshooting Guide - Page 46
...& test high limits. Service LED ON: "LO" Code (cont.)
The water ...pressure switch should not need adjusting, some sites may require a water pressure switch adjustment
Pressure switch adjustment
Step 11E
Inspect and test high limits
Step 11F
If adjustment is
damaged, replace (pg. 25). IF OK, go to the water pressure switch test/adjustment section in the I/O Manual...
Universal HC Series Heater Troubleshooting Guide - Page 47
Service LED ON: "LO" Code (cont.)
Note: This exhaust gas limit switch is present, replace switch (pg. 25). Once the switch has tripped then it NEEDS to be replaced and the combustion chamber should be inspected for 24V AC ... a one meter lead on the exhaust gas limit switch. IF problem still persists, contact support: (908) 355-7995
47 Step 11G
Indoor/Outdoor
With one time safety.
Universal HC Series Heater Troubleshooting Guide - Page 49
....
Clean as required
49
(pg. 15). IF damaged, replace (pg. 25). IF NOT damaged, contact tech support (908) 355-7995. Verify that the installed flame sensor is clean and free of any damage, if flame sensor is damaged
replace (pg. 25).
12. Service LED ON: "IF" Code (cont.)
Voltage/pressure off gas valve
Step 12E
Verify...
Universal HC Series Heater Troubleshooting Guide - Page 53
... (pg. 25).
Verify diff. 14. IF NOT, replace switch. pressure switch is open when blower is off, turn heater on and check to Step 14F. IF problem persists,
contact Technical Support at (908) 355-7995.
53 Service LED ON: "A1, A2, & A3" Code (cont.)
Step 14D
Test blower
Test differential pressure switch
Step 14E
Test...
Hayward HDF275 Reviews
We have not received any reviews for Hayward yet.