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FOR YOUR SAFETY - This product must be installed and serviced by authorized person-
nel, qualified in pool/spa heater installation. Improper installation and/or operation can
create carbon monoxide gas and flue gases which can cause serious injury, property
damage, or death.  Improper installation and/or operation will void the warranty.

H0205000A

Installation and Operating Data

WARNING

If these instructions are not followed exactly, a fire or explosion may result,
causing property damage, personal injury, or death.

Do not store or use gasoline or other flammable vapors and 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

supplier’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.

Installation and
Operation Manual

Hi-E

2™

Model EHE
Gas-Fired Pool
and Spa Heater

Summary of Contents for EHE

Page 1: ...y result causing property damage personal injury or death Do not store or use gasoline or other flammable vapors and 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 supplier s instruct...

Page 2: ...the Heater 17 3C 2 Shutdown 17 3D Water Chemistry 17 3D 1 Pools 17 3D 2 Spas 17 3D 2a Spa Water Chemistry 17 3D 2b Water Changing 17 3D 2c Corrosion 18 3D 2d Testing 18 3E Spa Hot Tub Safety Rules 18 3F Swimming Pool Energy Saving Tips 18 3G Seasonal Care 19 3G 1 Spring and Fall Operation 19 3G 2 Winterizing 19 3H Periodic Inspection 19 3H 1 Owner Inspection 19 3H 2 Professional Inspection 20 SECT...

Page 3: ...ty is included in a plastic bag inside the heater and on the back cover of this manual The home owner should fill out the warranty registration card included in the plastic bag and return it to Teledyne Laars The warranty does not cover damage caused by improper installation operation or field modification or damage to the heat exchanger caused by corrosive water See Section 3F for guidelines on p...

Page 4: ...his WARNING When pool equipment is located below the pool surface a leak from any component can cause large scale water loss or flooding Teledyne Laars cannot be responsible for such water loss or flooding or resulting damage Locate the heater in an area where water leakage will not result in damage to the area around the appliance or to a structure If forced to locate the heater where water leaka...

Page 5: ...rs roof water diverters or similar measures Do not locate the heater close to irrigation sprinklers Water from sprinklers may damage controls and electronic components Because the Hi E2 is very efficient combustion system exhaust gases are moist Do not locate the heater such that this exhaust will impinge on structures or vegetation which may be damaged by combustioncondensate WARNING In United St...

Page 6: ...done quite simply as follows see Figures 2 and 3 1 Remove the vent exhaust grille by removing the four screws which retain it The grille its gasket and the screws may be discarded 2 Place the vent collar gasket on the top of the heater aligning its center hole and screw holes with those in the top of the heater 3 Place the vent collar over the gasket and fasten it in place with the screws and lock...

Page 7: ...take and vent outlet must be located exterior to the building and in the same pressure zone i e both through the roof or both through a side wall The vent terminal must be located in accordance with local codes as applicable and in accordance with the following 1 Locate the vent terminal so that it will not be damaged by pedestrians and other traffic and so that the discharge is not offensive The ...

Page 8: ...combustion air and vent pipe openings as shown in Figure 10 Insect screens are sized to fit the inside of a 5 PVC pipe fitting Trim them as necessary for smaller pipe sizes Connect the vent pipe to the heater vent collar with an air tight corrosion resistant clamp The connection must not allow leakage of combustion products into the space but should be removable for service See Figure 7 Connect th...

Page 9: ...or tape Plastic vent pipe joints must be made with solvent cement listed for such use Joints in 29 4C stainless steel pipe must be sealed in accordance with its listing Connection of combustion air and vent piping to the heater should be serviceable i e removable for heater service 2G 3e Room Ventilation The room a Hi E2 is installed in must be provided with adequate ventilation Like other gas fir...

Page 10: ...gequipmentdistributors Incorrect installation of the condensate assembly or tubing can result in overflow or waterlogging of the vent In normal operation water accumulates in the tray at the level of the outlet fitting and this provides a water seal which accommodates combustion system pressures Figure 12 illustrates the water seal Note that water is pulled up toward the condensate collector pan a...

Page 11: ... Y BK BR BR Y S120 IGN L1 L2 IGN TH VAL GND Figure 14 Wiring Diagram Hi E2 Pool Heater 115V 60Hz REMOTE CONNECTOR Connecteur à distance IGNITION CONTROL Commande d allumage FENWALL 05 33 VENT LIMIT Limiteur de débit BURNER LIMIT Limiteur du brûleur SINGLE USE Uniservice MANUAL RESET Remise à zéro VENTURI PRES SWITCH Interrupteur à pression différentielle IGNITER Allumeur GAS VALVE Soupage de gaz E...

Page 12: ... 2J 3 Auxiliary Time Clock Wiring If a time clock is provided to control the pool filter pump it should have a separate low voltage Fireman s switch for the heater Route the heater s 24 VAC control circuit through this switch as shown in Figures 16 and 17 To do this remove the jumper from the terminal block in the heater control compartment Connect two wires to this terminal block and route them t...

Page 13: ...be and fitting Relocate fitting 12 Adjust wiring and pressure switch tube routing so that they don t rest on sharp edges or on the hot surfaces of the combustion chamber The combustion chamber is the portion of the assembly just above the heat headers 13 Re assemble all other components and fasteners 2K 2 Pool Spa Piping Systems Figure 20 illustrates typical piping for pool equipment in pool spa c...

Page 14: ...s steel pipe as necessary to position the valve above the sheet metal cover Turn the valve or route discharge piping as necessary to assure that hot steam will not endanger persons near the heater The valve setting should be at or below the maximum working pressure of any component in the filter system The working pressure of the Hi E2 heater is 75 psig 2K 5 Automatic Chlorinators Chemical Feeders...

Page 15: ...xTemp control to operate the heater If the recommended fireman switch has been provided it must also enable operation 2 If the FlexTemp selector switch is set to Pool or Spa and if the water temperature is not warm enough the FlexTemp control signals the combustion system to start 3 The ignition control starts the combustion blower 4 When the venturi pressure switch detects combustion air flow and...

Page 16: ...duct fumes at any time and especially when these fumes are being emitted This burn in period will last only a few minutes 2L 3 Condensate If there is no water in the condensate trap the heater s combustion blower will pull air into the lower drain hose and normal drainage of combustion condensate will not occur This water will accumulate to blower inlet level and will temporarily be blown out of t...

Page 17: ...er temperature rise through the heat exchanger Before checking temperature rise be sure the pool filter is clean If necessary clean the filter Temperature rise is measured at the return header which is on the side opposite to the inlet outlet header For access remove the side cover which is held in place by wing nut fasteners inside the heater Remove the brass plug on the top surface of the header...

Page 18: ... This lets the filter system and heater operate continuously until the water reaches the temperature setting on the thermostat When that happens the heater will shut off automatically but the filter pump will keep running Caution Keep all objects off the top of the heater and do not obstruct louvre openings in heater sides Blocking ventilation air flow may damage the heater and void the warranty 3...

Page 19: ... the walls of the pool in the filter system and in the heater tubes It is important to keep the pH factor of the pool water between 7 4 and 7 6 See Table 7 for guidelines on other chemical measurements 3D 2 Spas The proper chemical balance in spa water is more critical than in a swimming pool heater operation Due to the spa s size high water temperature and heavy usage chemical values in a spa can...

Page 20: ...practical Besides providing a valuable safety feature a pool cover will reduce heat loss conserve chemicals and reduce the load on filter systems 3D 2c Corrosion The corrosive action of pool spa water is increased by the following 1 Low pH acidity 2 Low Total Alkalinity bicarbonates 3 Low Calcium hardness soft water NOTE Teledyne Laars does not warrant heat exchangers damaged by corrosive water 3D...

Page 21: ...a qualified professional technician reassemble the heater as follows 1 Attach the pressure switch fitting to the copper tubing see Figure 27 2 Tighten the drain plugs in the headers 3 Clean the condensate drainage system and condensate trap 4 Replace the combustion air filter 5 Uncover the vent grille 6 Turn on the main supply gas cock outside the heater jacket 7 Turn on the heater according to th...

Page 22: ... through the years The following basic checks should be performed 1 Inspect the condensate disposal system to be sure that condensate flows freely 2 Replace combustion air filter 3 For heaters installed with combustion air or vent piping inspect screens at the inlet or outlet of these pipes Clean screens as necessary to assure free flow See illustrations in combustion air and vent pipe installatio...

Page 23: ...lator The gas valve controls gas flow into the venturi It provides flow only when the temperature control require heat and only if all safety controls enable operation It is also a negative pressure regulator It regulates the gas pressure to 0 2 WC less than the air pressure at the venturi inlet This is necessary for proper operation of the venturi system and cannot be done with common positive pr...

Page 24: ...rough which the ignition control detects rectification of current passed through the flame Inadequate rectification indicates an unsatisfactory flame condition The ignition control responds to the flame signal provided by the ignitor 6 Venturi Pressure Switch This switch verifies that air is flowing through the combustion system by sensing pressure reduction at the venturi throat relative to press...

Page 25: ...e for most of the testing Touch the free lead of the meter to the transformer terminal with a red wire point 1 The meter should show 20 28 volts If there is no voltage replace the transformer 4E 2b Fuse Leaving the common voltmeter lead in place at point 11 touch the free probe to point 2 This is the terminal block screw attached to the red wire from the in line fuse and absence of voltage indicat...

Page 26: ...the normal sequence takes place by noting blower operation the glow of the igniter through the combustion chamber sight glass and then voltage at point 8 If the blower 4E 2c Fireman Switch and External Interlocks Probe for voltage at point 3 the other connection of the terminal block which has a white wire connected to it If there is no voltage the time clock switch or other external interlock may...

Page 27: ... a converging section to the throat where pressure is reduced substantially Gas flow is pulled into the throat through an orifice inside the pipe between the throat and the elbow Air and gas are does not operate or the igniter doesn t glow investigate as outlined in a later sections If both of these components operate normally but voltage doesn t appear at point 8 during the trial for ignition rep...

Page 28: ... sense flame Normally there will be enough time to obtain the measurement 4F 2b Gas Pressure Offset Note that an equalizer tube is connected from a port on the front of the venturi inlet to the vent of the gas valve regulator This is a very important component which allows the regulator to track air pressure even when abnormal things occur such as blockage of the combustion air Before firing confi...

Page 29: ... WC less than the ambient pressure The reading for a model 220 with clean filter and no combustion air duct will be near the low end of this range For a model 350 with clean filter and no combustion air duct the reading will be near the middle If combustion air is ducted to the heater the reading will be near the high end If an excessive reading is observed i e more negative flow is probably restr...

Page 30: ...ctions During start up condensate from the collector cannot reach the trap unless the water seal is established This can be done by pouring water into the trap The heater will self prime by driving water into the vent outlet from which it will eventually drain into the trap However it is better to avoid this by manually priming the trap Correct any such problems and verify normal operation by retu...

Page 31: ...r tube assembly can be replaced if necessary but correct procedures and use of only factory provided parts are essential to assure satisfactory service and safe operation Sealing the system with the specified sealers and gaskets is especially important Contact the Teledyne Laars Service Department for information Model Width Input Shipping No W Weight 220 225 8 220 000 206 lbs 350 317 8 350 000 25...

Page 32: ...er Combustion Chamber Gasket 220 350 R0305803 05 45 Combustion Chamber Assembly 220 350 R0305103 05 46 Refractory Tile Set 220 350 R0305303 05 47 Sight Glass Assembly All R0305400 Key Model ORDER No Description No PART NO 48 Combustion Chamber Strip Set 220 350 R0213103 05 Not Shown 49 Combustion Chamber Collector Gasket 220 350 R0305703 05 Venturi Hardware Kit Note 1 All R0322200 Mixing Chamber H...

Page 33: ...Hi E2 Page 31 Exploded View of the Hi E2 12 ...

Page 34: ...horized parts or accessories in conjunction with the product s 8 Chemical contamination of combustion air or improper use of sanitizing chemicals such as introducing sanitizing chemicals upstream of the heater and cleaner hose or through the skimmer 9 Overheating incorrect wire runs improper electrical supply collateral damage caused by failure of O Rings DE grids or cartridge elements or damage c...

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