Teledyne Laars Hi-E EPH 300 Manual Download

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Page 9

Hi-E Model EPH Pool and Spa Heater

Figure 7. Wiring Diagram

LEGEND

P - PURPLE

BL - BLUE

BK - BLACK

O - ORANGE

W - WHITE

G-Y - GREEN W/ YELLOW TRACER

BR - BROWN

W-BK - WHITE W/ BLACK TRACER

Y - YELLOW

W-R - WHITE W/ RED TRACER

R - RED

BL-O - BLUE W/ ORANGE TRACER

GY - GRAY

FACTORY WIRED 115V
FIELD WIRED 115V
FACTORY WIRED 24V

Summary of Contents for Hi-E EPH 300

Page 1: ...closed allowing the heater to fire even if the filter pump is off Therefore the height difference between the heater and the pool or spa water surface level must fall within the correct range 2A 2 Hig...

Page 2: ...by the touch panel pads or when the 120 volt alternating current VAC power to the heater is interrupted 2A 7 Gas Valve The Hi E heater has a negative pressure gas valve that regulates the gas to the...

Page 3: ...wiring connections solid 8 Is the ignition control in lockout mode Turn the heater off and then back on at the touch panel to restart the ignition sequence If all of these items have been checked look...

Page 4: ...water flow 2E 2 Temperature Rise Test Case 2 The main reason for a temperature rise value greater than 22 F 12 2 C is a low water flow through the heater Check the installation for the following 1 In...

Page 5: ...gas Figure 5 Typical Manual Bypass Valve Installation Notes 1 When using metal pipe as heat sink join metal and PVC CPVC using metal male and PVC CPVC female connection 2 A manual bypass valve is used...

Page 6: ...mm 7 49 mm Color Code Brass Silver 5 The pressure at the gas valve outlet will be 0 2 inch 5 08 mm water column W C less than the pressure at the venturi lower inlet 6 Take a reading The ideal range s...

Page 7: ...or too many 90 degree elbows see Document 3090B Installation and Operation Manual 3 Worn or dirty combustion air filter 4 Internal blockage in the condensate trap or drain system To check the venturi...

Page 8: ...preset to work at an optimum elevation of 3 feet 0 91 m above or below the water surface level of the pool spa to be heated see Fig 9 However the switch can be adjusted to operate correctly in heaters...

Page 9: ...Wiring Diagram LEGEND P PURPLE BL BLUE BK BLACK O ORANGE W WHITE G Y GREEN W YELLOW TRACER BR BROWN W BK WHITE W BLACK TRACER Y YELLOW W R WHITE W RED TRACER R RED BL O BLUE W ORANGE TRACER GY GRAY FA...

Page 10: ...le Link Blue Wire 24VAC at Fusible Link Red Wire Is Combustion Fan Operating Table 3 Temp Control Sensor Resistance Water Temperature Sensor Resistance F C Ohms 50 10 19 906 60 16 15 314 70 21 11 884...

Page 11: ...sure 3B 3 Adjusting the Pressure Switch When the heater is installed between 3 and 10 feet 0 91 and 3 05 m below the water surface of the pool or spa the pressure switch senses the increased weight of...

Page 12: ...sistance in the range of 50 to 400 ohms 3 If the reading is above or below the range of 50 to 400 ohms replace the igniter Figure 10 Adjusting the Pressure Switch 6 Turn pump ON If pressure switch doe...

Page 13: ...rom the flow control valve see Fig 13 3 Inspect the disk to make sure it is properly seated 4 If the disc is not properly seated disassemble the valve and overhaul it Replace any corroded parts 3B 6 T...

Page 14: ...aching the combustion air fan to the venturi 10 Hold the combustion air fan with one hand and separate from the venturi 11 Reverse the previous steps to install a new fan Figure 12 Filter Removal Figu...

Page 15: ...nel assembly by remov ing the three screws along the base of the heater and the four screws on the sides see Fig 15 Two of these screws are inside the heater compartment 7 Remove the hex bolts that fa...

Page 16: ...al Strip Assembly R0209700 66 Fuse Assembly R0212600 67 Fuse 1 1 4 Amp R0021300 68 Panel Upper Front R0205100 69 Label Upper Front Panel R0209800 70 Bezel Temperature Control R0209900 71 Panel Lower F...

Page 17: ...Page 17 Hi E Model EPH Pool and Spa Heater...

Page 18: ...H 03867 603 335 6300 480 S Service Road West Oakville Ontario Canada L6K 2H4 905 844 8233 The above warranty applies only if the installa tion and operating instructions applicable to the model purch...

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Teledyne Laars Hi-E EPH 300, Manual

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