Hayward H250IDL2 Installation, Operation & Service Instructions

Pool and spa/hot tub heaters

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HAYWARD
Installation, Operation & Service Procedures
Pool and Spa/Hot Tub Heaters
Models H250IDL2, H350IDL2 & H400IDL2
FOR YOUR SAFETY
WARNING: If the information in these
instructions is not followed exactly, a fire or
explosion may result causing property dam-
age, personal injury, or death.
– Do not store or use gasoline or other flam-
mable vapors or liquids in the vicinity of this
or any other appliance.
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance
Do not touch any electrical switch; do not
use any phone in your building
Immediately call your gas supplier from a
neighbor's phone. Follow the gas suppli-
er's instructions.
If you cannot reach your gas supplier, call
the fire department.
– Installation and service must be performed
by a qualified installer, service agency or the
gas supplier.
This product must be installed and serviced by authorized personnel, qualified in
pool/spa heater installation. Improper installation and/or operation can create carbon
monoxide gas and flue gases that can cause serious injury, property damage, or death.
For indoor installations, as an additional measure of safety, Hayward strongly recom-
mends installation of suitable Carbon Monoxide (CO) detectors in the vicinity of this appli-
ance and in any adjacent occupied spaces. Improper installation and/or operation will
void the warranty.
PATENT NO. 6026804
FOR YOUR SAFETY
®
1303026201 1105

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Summary of Contents for Hayward H250IDL2

  • Page 1 For indoor installations, as an additional measure of safety, Hayward strongly recom- mends installation of suitable Carbon Monoxide (CO) detectors in the vicinity of this appli- ance and in any adjacent occupied spaces.
  • Page 2: Table Of Contents

    We warrant the H-Series pool/spa heater to be Hayward heaters ......3 General ........23...
  • Page 3: Section Ii. Heater Sizing

    Section II. Heater Sizing Section III. Installation 5. Locate in Figure 2 the surface area equal to or just walkways, adjacent buildings, openable windows, and greater than the pool’s surface area and the building openings complies with the National Fuel Selecting the correct size heater: Equipment inspection: Factors influencing heater sizing include pool/spa...
  • Page 4: Air Supply

    2. When communicating with the outdoors through vertical ducts, each opening shall Reversible Water Connections Indoor installation and venting: Heater Top The following installation and service clearances have a minimum free area of 1 square inch Figure 5 must be maintained from combustible materials. per 4,000 BTU per hour of total input rating of all equipment in the enclosure.
  • Page 5: Vertical Venting—Negative Pressure

    Indoor Installation Figure 16 Vertical Venting—Negative Vent Sizing Table for Vertical Negative Pressure Vending Figure 12 Pressure: Locate the pool/spa heater as close Table 1: Type B Vertical Vent with Type B Vent Connector Lateral Length (L) must be less than Ω of the Vertical Vent Height (H) as practical to a chimney and gas sup- Vent System can have up to three 90 degree elbows.
  • Page 6: Indoor Installation

    Horizontal or Vertical Venting—Positive Special Gas Vent Adapter Kit Indoor Installation: Connecting Special Gas Vent to the The following installation and service clearances Pressure: Installation: Heater: must be maintained from the heater to combustible The heater can be vented either horizontally or A Special Gas Vent Adapter collar must be installed Attach the Special Gas Vent to the Vent Adapter materials.
  • Page 7: All Gas Installations

    (or outside if space does not allow) Hayward will not be responsible for heaters that soot the heater cabinet to facilitate servicing the burner up due to improper meter and gas line sizing resulting assembly tray.
  • Page 8 exception of a three-way switching valve and an NOTE: Assemble these parts to heater prior to the filter system may be made of plastic 6. If the normal pump and filter system flow rate in-line chlorinator and associated check valve. plumbing.
  • Page 9 If used, a chlorinator must be installed down- Wiring Diagram Figure 35 stream from the heater in the pool return line and at a Installation above pool/spa surface: If the heater is installed less than three (3) feet lower elevation than the heater outlet connection. See above the surface of the pool/spa water, install eye- Figure 33.
  • Page 10: Remote Control Connection

    the water pressure switch; the control will accept inputs via the keypad. Follow the process Remote control connection: Connecting a remote: The heater is equipped for connection to an exter- described in the Owner/Operator manual to set nal 2-wire remote thermostat or a 3-wire remote Bypass Operation.
  • Page 11: General

    Section IV. Installer Check-out And Start-up SAFETY WARNING: Do not remove the ⁄ ” plug with 5. Turn on water system and start heater follow B. Gas pressure regulator adjustment procedure: the gas valve in the “ON” position. The gas valve ing the lighting instructions on the label inside 1.
  • Page 12: Warranty

    Section V. Consumer Operation & Maintenance Procedures FOR YOUR SAFETY – READ BEFORE OPERATING Installation below pool/spa surface: Two speed pump: It is recommended that residential spa water be 1. Clean filter thoroughly. In a few cases, the pressure from a two speed changed every 2 to 3 months to prevent water prob- 2.
  • Page 13: Temperature Control Operation

    20 seconds. The blower is running a pre-purge cycle during this time. Operation: This new Hayward IDL2 heater has improved oper- 3. The control checks for closed contacts at the ating software and routines that differ from previous blower prover switch.
  • Page 14: Periodic Inspection

    30% full or damage to (See figure 44) If the first ignition attempt fails during a normal heat- the heater may occur. Hayward will not be Removing Drain Plug: ing cycle the control will make two (2) additional...
  • Page 15: Section Vi. Qualified Technician - Maintenance/Servicing

    Section VI. Qualified Technician - Maintenance/Servicing 1. Turn the two screws counterclockwise, which WARNING: It is not recommended that a wire secure the control door. brush be used to remove soot from the heat exchang- General: IMPORTANT: Only qualified service technicians, 2.
  • Page 16: Burner Inspection And Cleaning

    To remove fuse board: Canada. Conversions must be done by the conver- 1. Disconnect all wires from fuse board. sion station at Hayward Pool Products Canada, Inc. 2. Detach from sheetmetal panel. Reverse the above procedures for installation. Control Locations:...
  • Page 17: High Limits

    To replace switch: Pressure Switch Control Locations 1. Turn pump, gas supply and heater power off. Figure 53 Figure 50 2. Open control panel door. 3. Remove wires, screws and tubing from the BLOWER VACUUM SWITCH switch. VENT PRESSURE SWITCH 4.
  • Page 18: By-Pass Valve

    To replace thermal control valve and/or bypass valve parts: By-pass valve: Thermal control valve: Combustion blower: The header houses an automatic by-pass valve. The header also houses a thermal control valve. The combustion blower provides the air that mixes 1. Turn pump, main gas valve and heater power off. The valve provides proper water flow through the This valve helps to control condensation forming on with the gas from the main burners for the combus-...
  • Page 19: Section Vii. Troubleshooting

    Section VII. Troubleshooting Troubleshooting Chart IDL Heater Diagnostic Guide power is interrupted the heater will retain the selected mode and set points. If there is a call for heat “soft” General: NOTE: These instructions are intended for the use lockout will end and the control will enter “hard” lockout. Code Fault Diagnosis Step...
  • Page 20 Troubleshooting Chart Troubleshooting Chart IDL Heater Diagnostic Guide IDL Heater Diagnostic Guide Code Fault Diagnosis Step Remedy Code Fault Diagnosis Step Remedy Inspect vent pressure switch wiring. Ensure wire harness terminals are securely 1. Verify that FC4 Fuse on Fuse Board Remove FC from fuseholder.
  • Page 21: Parts Illlustration

    TOP JACKET ASY – H350/400IDL the data plate. IDXLBWR1930 COMBUSTION BLOWER IDXLHXA1250 HEAT EXCHANGER ASY – H250IDL Contact your pool/spa dealer, distributor, or Hayward IDXLHXA1400 HEAT EXCHANGER ASY – H350/400IDL Pool Products, Inc. for repair/replacement parts. Use IDXL2TRF1930 TRANSFORMER Hayward parts only.
  • Page 22 Hayward Pool Heater Certificate of Limited Warranty on rating plate; ed to repair or replacement of the defective heater or OR PAINT THINNERS, BE USED OR STORED IN 3. A heater on which the serial numbers have been part, as provided herein and the Company is not...
  • Page 23: Error Codes

    Hayward Pool Products, Inc. Hayward Pool Products, Inc. Hayward S.A. 900 Fairmount Avenue 2875 Pomona Boulevard 2880 Plymouth Drive Zoming de Jumet Elizabeth, NJ 07207 Pomona, CA 91768 Oakville, Ontario L6H 5R4 B6040 Jumet, Belgium © 2004 Hayward Printed in U.S.A.

This manual is also suitable for:

H350idl2H400idl2

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