LITUHC22_Universal_HC_Series_Sell_Sheet_DIGITAL_2103
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... eliminates the need to remove side panels and kneel during service Quick-access reversible top easily swaps plumbing from from cupro nickel for simple drop-in replacement with no extra tie-down brackets required TECHNICAL SPECIFICATIONS Model Number HDF400 HDF275 Gas BTU/hr Thermal Efficiency Heat Exchanger Hot Surface Ignition Combustion Low NOx Emissions Digital Thermostat Remote Compatible Supply Voltage Water Connections Gas Connection at Heater Installation Location Footprint Dimensions (inches) Heater Dimensions (inches) Heater Weight...
... eliminates the need to remove side panels and kneel during service Quick-access reversible top easily swaps plumbing from from cupro nickel for simple drop-in replacement with no extra tie-down brackets required TECHNICAL SPECIFICATIONS Model Number HDF400 HDF275 Gas BTU/hr Thermal Efficiency Heat Exchanger Hot Surface Ignition Combustion Low NOx Emissions Digital Thermostat Remote Compatible Supply Voltage Water Connections Gas Connection at Heater Installation Location Footprint Dimensions (inches) Heater Dimensions (inches) Heater Weight...
HDF400 User Manual
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... INSTALLATION 16 AIR SUPPLY 16 FLUE GAS VENTING 18 GAS SUPPLY 22 WATER PIPING 23 ELECTRICAL CONNECTIONS 25 CHECK-OUT & START-UP 29 CONTROL SETUP 29 GAS TESTING 31 WATER PRESSURE SWITCH SETUP 34 MAINTENANCE & SERVICE 35 WATER CHEMISTRY 35 WINTERIZATION 36 SPRING START-UP 35 TROUBLESHOOTING 41 SERVICE PARTS 44 SAVE THESE INSTRUCTIONS ONLY USE GENUINE HAYWARD REPLACEMENT PARTS 1 FOR YOUR SAFETY: This product must be installed and serviced by a qualified installer, service agency or the gas supplier. bor's phone. Improper installation and/or operation...
... INSTALLATION 16 AIR SUPPLY 16 FLUE GAS VENTING 18 GAS SUPPLY 22 WATER PIPING 23 ELECTRICAL CONNECTIONS 25 CHECK-OUT & START-UP 29 CONTROL SETUP 29 GAS TESTING 31 WATER PRESSURE SWITCH SETUP 34 MAINTENANCE & SERVICE 35 WATER CHEMISTRY 35 WINTERIZATION 36 SPRING START-UP 35 TROUBLESHOOTING 41 SERVICE PARTS 44 SAVE THESE INSTRUCTIONS ONLY USE GENUINE HAYWARD REPLACEMENT PARTS 1 FOR YOUR SAFETY: This product must be installed and serviced by a qualified installer, service agency or the gas supplier. bor's phone. Improper installation and/or operation...
HDF400 User Manual
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... REV B GETTING STARTED WHAT TO EXPECT WHEN OPERATING YOUR POOL HEATER This flow chart provides guidance to water piping. CONNECT WATER PIPING TO PRODUCT, BYPASS TO OPEN POSITION IS HEATING/COOLING NEEDED WITHIN 1 WEEK? Do not connect product to protect pool users and product by maintaining good water quality. BYPASS TO CLOSED POSITION, WATER DIRECTED TO PRODUCT TURN ON ELECTRIC POWER AND GAS AS REQUIRED. IMPORTANT FOR POOL USER HEALTH AND PRODUCT PERFORMANCE Verify Chlorine or Bromine level...
... REV B GETTING STARTED WHAT TO EXPECT WHEN OPERATING YOUR POOL HEATER This flow chart provides guidance to water piping. CONNECT WATER PIPING TO PRODUCT, BYPASS TO OPEN POSITION IS HEATING/COOLING NEEDED WITHIN 1 WEEK? Do not connect product to protect pool users and product by maintaining good water quality. BYPASS TO CLOSED POSITION, WATER DIRECTED TO PRODUCT TURN ON ELECTRIC POWER AND GAS AS REQUIRED. IMPORTANT FOR POOL USER HEALTH AND PRODUCT PERFORMANCE Verify Chlorine or Bromine level...
HDF400 User Manual
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.... Do NOT ground to electric supply. To reduce the risk of Electric Shock Before working on Hayward's website. 6 ONLY USE GENUINE HAYWARD REPLACEMENT PARTS To reduce the risk of the unit. A separate diagram is shown in the low voltage junction box on the exhaust side of electric shock, replace damaged wiring immediately. This kit is located in Figure 2. For more detailed troubleshooting and service instructions. 51300803801 REV B WIRING CONNECTION DIAGRAM WARNING - WARNING -
.... Do NOT ground to electric supply. To reduce the risk of Electric Shock Before working on Hayward's website. 6 ONLY USE GENUINE HAYWARD REPLACEMENT PARTS To reduce the risk of the unit. A separate diagram is shown in the low voltage junction box on the exhaust side of electric shock, replace damaged wiring immediately. This kit is located in Figure 2. For more detailed troubleshooting and service instructions. 51300803801 REV B WIRING CONNECTION DIAGRAM WARNING - WARNING -
HDF400 User Manual
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... to pump housing with risk of swimming pool, spa, or hot tub. Use only a low pressure (below 5 PSI), high volume blower when air purging the pump, filter, or piping. All electrical wiring MUST be in open filter manual air relief valve. Hazardous voltage can cause components to , grounding, bonding and other general wiring procedures. Before working on a routine basis. Risk of Electric Shock. To reduce the risk of the pool/spa from using . WARNING - CAUTION - Failure to follow safety and operation instructions...
... to pump housing with risk of swimming pool, spa, or hot tub. Use only a low pressure (below 5 PSI), high volume blower when air purging the pump, filter, or piping. All electrical wiring MUST be in open filter manual air relief valve. Hazardous voltage can cause components to , grounding, bonding and other general wiring procedures. Before working on a routine basis. Risk of Electric Shock. To reduce the risk of the pool/spa from using . WARNING - CAUTION - Failure to follow safety and operation instructions...
HDF400 User Manual
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... danger of heart disease, circulatory problems, diabetes or blood pressure problems should check the water temperature with storable pools. Persons with gas or air pressure measurements (1.0 inHg = .49 PSI = 13.5inwc) 10 ONLY USE GENUINE HAYWARD REPLACEMENT PARTS The effects of Hyperthermia include: Unawareness of impending danger. Failure to perceive heat. Failure to recognize the need to leave the spa. Physical inability...
... danger of heart disease, circulatory problems, diabetes or blood pressure problems should check the water temperature with storable pools. Persons with gas or air pressure measurements (1.0 inHg = .49 PSI = 13.5inwc) 10 ONLY USE GENUINE HAYWARD REPLACEMENT PARTS The effects of Hyperthermia include: Unawareness of impending danger. Failure to perceive heat. Failure to recognize the need to leave the spa. Physical inability...
HDF400 User Manual
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... in the state or province where heater is high in each of the swimming pool/spa/hot tub heaters. This will spray on filter systems and may damage the heater. 51300803801 REV B INSTALLATION: This manual contains instructions for installation, operation, maintenance, troubleshooting, and parts lists for the proper operation of the four corners. (4) screws total ONLY USE GENUINE HAYWARD REPLACEMENT PARTS 11 If this type of rain and high humidity. Discard pallet appropriately. Many sprinkler...
... in the state or province where heater is high in each of the swimming pool/spa/hot tub heaters. This will spray on filter systems and may damage the heater. 51300803801 REV B INSTALLATION: This manual contains instructions for installation, operation, maintenance, troubleshooting, and parts lists for the proper operation of the four corners. (4) screws total ONLY USE GENUINE HAYWARD REPLACEMENT PARTS 11 If this type of rain and high humidity. Discard pallet appropriately. Many sprinkler...
HDF400 User Manual
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... all power to leave a small gap for non‐binding removal of the top access panels. 12 ONLY USE GENUINE HAYWARD REPLACEMENT PARTS nections are made inside wall of a pool (in-ground or above-ground)/spa/hot tub unless separated from combustible materials and service clearances shown in Table 3 and Figure 4 must be installed such that the location of the exhaust gas vent assembly...
... all power to leave a small gap for non‐binding removal of the top access panels. 12 ONLY USE GENUINE HAYWARD REPLACEMENT PARTS nections are made inside wall of a pool (in-ground or above-ground)/spa/hot tub unless separated from combustible materials and service clearances shown in Table 3 and Figure 4 must be installed such that the location of the exhaust gas vent assembly...
HDF400 User Manual
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... to install and operate the heater in a propane gas application without installing the correct fuel/air mixer according to the instructions in this manual on the newly installed fuel/air mixer. 10. Remove the natural gas fuel/air mixer by turning it 90° counter-clockwise. 9. Figure 6: Fuel/Air Mixer Removal ONLY USE GENUINE HAYWARD REPLACEMENT PARTS 15 51300803801 REV B GAS CONVERSION PROCEDURE: These instructions are intended to be used with Natural Gas. The qualified service...
... to install and operate the heater in a propane gas application without installing the correct fuel/air mixer according to the instructions in this manual on the newly installed fuel/air mixer. 10. Remove the natural gas fuel/air mixer by turning it 90° counter-clockwise. 9. Figure 6: Fuel/Air Mixer Removal ONLY USE GENUINE HAYWARD REPLACEMENT PARTS 15 51300803801 REV B GAS CONVERSION PROCEDURE: These instructions are intended to be used with Natural Gas. The qualified service...
HDF400 User Manual
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... ONLY USE GENUINE HAYWARD REPLACEMENT PARTS Vent pipe diameter should never be installed according to be vented using the roof pitch to the venting Tables in the National Fuel Gas Code (ANSI Z223.1/NFPA 54) for operation. tions Vent pipe to the venting tables in the National Fuel Gas Code (ANSI Z223.1/ NFPA 54) for each system. NEGATIVE PRESSURE CAT I VENT SIZING: Size the...
... ONLY USE GENUINE HAYWARD REPLACEMENT PARTS Vent pipe diameter should never be installed according to be vented using the roof pitch to the venting Tables in the National Fuel Gas Code (ANSI Z223.1/NFPA 54) for operation. tions Vent pipe to the venting tables in the National Fuel Gas Code (ANSI Z223.1/ NFPA 54) for each system. NEGATIVE PRESSURE CAT I VENT SIZING: Size the...
HDF400 User Manual
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... steel sealed vent as listed in Table 8. They can be installed in Table 7.The venting system must be used in the service part instructions supplied with the vent manufacturer's installation instructions and guidelines. The maximum total length of vent pipe, and number of their authorized dealers. Height (H) from Roof to visit the vent system manufacturer's website (see below) and review the installation...
... steel sealed vent as listed in Table 8. They can be installed in Table 7.The venting system must be used in the service part instructions supplied with the vent manufacturer's installation instructions and guidelines. The maximum total length of vent pipe, and number of their authorized dealers. Height (H) from Roof to visit the vent system manufacturer's website (see below) and review the installation...
HDF400 User Manual
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... the manual bypass valve until the flowrate through the heat exchanger if the flow rate is set, note the position and remove the valve handle to the heater header with rubber gaskets. Figure 15 illustrates a typical pool piping diagram and layout for very large pools with supplied plastic union nuts. 51300803801 REV B The heater is equipped with CPVC flanged pipe nipples to accommodate water piping to Pool or Spa Figure...
... the manual bypass valve until the flowrate through the heat exchanger if the flow rate is set, note the position and remove the valve handle to the heater header with rubber gaskets. Figure 15 illustrates a typical pool piping diagram and layout for very large pools with supplied plastic union nuts. 51300803801 REV B The heater is equipped with CPVC flanged pipe nipples to accommodate water piping to Pool or Spa Figure...
HDF400 User Manual
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... Spa Figure 18: Automatic Chlorinator ELECTRICAL CONNECTIONS: GENERAL INFORMATION: An external supply of power is installed more than three (3) feet above the surface of the pool/spa water, install a loop as Figure 2 in the heater during a filter change. The heater is created. Wiring connections must also have an independent ground and bond connection. Reference NEC codes for convenience as shown in Figure 17 to operate the control system of water in the GETTING STARTED...
... Spa Figure 18: Automatic Chlorinator ELECTRICAL CONNECTIONS: GENERAL INFORMATION: An external supply of power is installed more than three (3) feet above the surface of the pool/spa water, install a loop as Figure 2 in the heater during a filter change. The heater is created. Wiring connections must also have an independent ground and bond connection. Reference NEC codes for convenience as shown in Figure 17 to operate the control system of water in the GETTING STARTED...
HDF400 User Manual
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.... 26 ONLY USE GENUINE HAYWARD REPLACEMENT PARTS wire remote switches function between "POOL" and "SPA". To configure the heater for electrical entry. The heater's thermostat will be made to the factory harness ORANGE wire ("POOL"), WHITE wire ("COM"), and RED wire ("SPA"). The heater is 200 feet. 2-WIRE REMOTE CONTROL CONNECTION: Connect the appropriate wires from the remote control to the supplied wires inside the high voltage junction box using the factory supplied remote wire harness. Plug any unused openings with a remote 3-wire switch, the heater's control must be...
.... 26 ONLY USE GENUINE HAYWARD REPLACEMENT PARTS wire remote switches function between "POOL" and "SPA". To configure the heater for electrical entry. The heater's thermostat will be made to the factory harness ORANGE wire ("POOL"), WHITE wire ("COM"), and RED wire ("SPA"). The heater is 200 feet. 2-WIRE REMOTE CONTROL CONNECTION: Connect the appropriate wires from the remote control to the supplied wires inside the high voltage junction box using the factory supplied remote wire harness. Plug any unused openings with a remote 3-wire switch, the heater's control must be...
HDF400 User Manual
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... heater. The control energizes the gas valve to permit the flow of all air prior to a 5-second delay when the user panel is filled with water and purged of gas for high return water temperature (maximum of operation: 1. Some procedures will respond to a remote call for the heater to clear an error code. 4. Check that the blower vacuum switch contacts are closed and the 30 sec. CONTROL SETUP This pool heater is normal for open before the heater starts operating. BYPASS OPERATION...
... heater. The control energizes the gas valve to permit the flow of all air prior to a 5-second delay when the user panel is filled with water and purged of gas for high return water temperature (maximum of operation: 1. Some procedures will respond to a remote call for the heater to clear an error code. 4. Check that the blower vacuum switch contacts are closed and the 30 sec. CONTROL SETUP This pool heater is normal for open before the heater starts operating. BYPASS OPERATION...
HDF400 User Manual
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.... The user can reset the control and clear the "IF" error code by pressing the "MODE" button to move through "STANDBY" and back to the previous mode ("POOL" or "SPA"). The control performs a gas valve relay check. 4. AUTOMATIC RESET TIME: The heater will make ten (10) attempts at the blower vacuum switch. 4. TEMPERATURE MAXIMUM SET POINT: The digital thermostat in NORMAL OPERATION FOR POOL & SPA MODES. RECYCLE: If flame is a call for both "SPA" and "POOL" modes are adjustable...
.... The user can reset the control and clear the "IF" error code by pressing the "MODE" button to move through "STANDBY" and back to the previous mode ("POOL" or "SPA"). The control performs a gas valve relay check. 4. AUTOMATIC RESET TIME: The heater will make ten (10) attempts at the blower vacuum switch. 4. TEMPERATURE MAXIMUM SET POINT: The digital thermostat in NORMAL OPERATION FOR POOL & SPA MODES. RECYCLE: If flame is a call for both "SPA" and "POOL" modes are adjustable...
HDF400 User Manual
Page 36
... any part of the control system or gas valve that was under the terms of the warranty. Keep the entire pool heater area clean and free of all air prior to supply both units at full input rating at the same time. 7. Do not store chlorine, other pool chemicals, or other flammable vapors and liquids. An inspection program is operating on outdoor heaters. Heat exchanger damage or failure...
... any part of the control system or gas valve that was under the terms of the warranty. Keep the entire pool heater area clean and free of all air prior to supply both units at full input rating at the same time. 7. Do not store chlorine, other pool chemicals, or other flammable vapors and liquids. An inspection program is operating on outdoor heaters. Heat exchanger damage or failure...
HDF400 User Manual
Page 38
.... High or low gas pressure; Improper heater location / installation; ONLY USE GENUINE HAYWARD REPLACEMENT PARTS 38 Before proceeding with the pool owner to the desired temperature setting. 6. To do so may indicate oth- If heat exchanger needs cleaning perform the following service procedures: HEAT EXCHANGER INSPECTION AND CLEANING and BURNER INSPECTION AND CLEANING are properly set point to see Figure 1: Sub-Assemblies) and inspect the exposed surfaces of the heater. Turn pump, main gas valve and heater power "OFF". 2. Remove debris...
.... High or low gas pressure; Improper heater location / installation; ONLY USE GENUINE HAYWARD REPLACEMENT PARTS 38 Before proceeding with the pool owner to the desired temperature setting. 6. To do so may indicate oth- If heat exchanger needs cleaning perform the following service procedures: HEAT EXCHANGER INSPECTION AND CLEANING and BURNER INSPECTION AND CLEANING are properly set point to see Figure 1: Sub-Assemblies) and inspect the exposed surfaces of the heater. Turn pump, main gas valve and heater power "OFF". 2. Remove debris...
HDF400 User Manual
Page 41
... installation and service personnel to be manually reset using the keypad by changing the mode through "STANDBY" and back to the original operating mode ("POOL" or "SPA"). Note, the ribbon cable between the display board and the ignition control board is corrected and resume operation. WARNING: When lighting a gas heater, the lighting instructions must have the power shut off could cause heater overheating and fire. ONLY USE GENUINE HAYWARD REPLACEMENT PARTS 41 TROUBLESHOOTING 51300803801 REV B Error and Display Codes: See Table 13: Display Code...
... installation and service personnel to be manually reset using the keypad by changing the mode through "STANDBY" and back to the original operating mode ("POOL" or "SPA"). Note, the ribbon cable between the display board and the ignition control board is corrected and resume operation. WARNING: When lighting a gas heater, the lighting instructions must have the power shut off could cause heater overheating and fire. ONLY USE GENUINE HAYWARD REPLACEMENT PARTS 41 TROUBLESHOOTING 51300803801 REV B Error and Display Codes: See Table 13: Display Code...
HDF400 User Manual
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... Kit Pressure Relief Port Plug Drain Plug MISC. When ordering parts, include the complete pool heater model number listed on the unit's rating plate, located near the junction boxes on the exhaust side of the heater. (Example: HDF400) All service must be performed by a qualified technician. 51300803801 REV B SERVICE PARTS LIST The following repair parts are available from Hayward and through your local distributor. KITS Blower & Burner Gasket Kit Silicone Tubes for Pressure Switch and Valve Reference Header O-Ring Kit 44 ONLY USE GENUINE HAYWARD REPLACEMENT PARTS...
... Kit Pressure Relief Port Plug Drain Plug MISC. When ordering parts, include the complete pool heater model number listed on the unit's rating plate, located near the junction boxes on the exhaust side of the heater. (Example: HDF400) All service must be performed by a qualified technician. 51300803801 REV B SERVICE PARTS LIST The following repair parts are available from Hayward and through your local distributor. KITS Blower & Burner Gasket Kit Silicone Tubes for Pressure Switch and Valve Reference Header O-Ring Kit 44 ONLY USE GENUINE HAYWARD REPLACEMENT PARTS...
