Teledyne EHE User Manual
Page 2

SECTION 1
General Information
1A
Introduction ........................................................... 1
1B
Description ............................................................ 1
1C
Warranty ................................................................ 1
SECTION 2
Installation Instructions
2A
General Requirements .......................................... 1
2B
Heater Assembly and Preparation ........................ 2
2C
Heater Location ..................................................... 2
2D
Installation Clearances .......................................... 2
2E
Outdoor Installation ............................................... 2
2F
Outdoor Shelter Installation (Canada) .................. 3
2G
Indoor Installation .................................................. 3
2G-1
Preparation of Heater For
Indoor Installation .................................................. 3
2G-2
Combustion Air Requirements for
One-Pipe Installation ............................................. 4
2G-3
Two-Pipe Installation (Direct Vent) ....................... 4
2G-3a
Connection of Combustion Air Pipe ...................... 4
2G-3b
Piping Materials ..................................................... 4
2G-3c
Size and Length of Combustion
Air and Vent Piping ............................................... 5
2G-3d
Combustion Air and Vent Pipe Installation ........... 5
2G-3e
Room Ventilation ................................................... 7
2H
Condensate Disposal ............................................ 7
2I
Gas Supply and Piping ......................................... 8
2J
Electric Wiring ..................................................... 10
2J-1
Electrical Power ................................................... 10
2J-2
Bonding ............................................................... 10
2J-3
Auxiliary Time Clock Wiring ................................ 10
2J-4
Remote Operation ............................................... 10
2K
Water Piping ........................................................ 11
2K-1
Reversal of Heater Water Connections .............. 11
2K-2
Pool/Spa Piping Systems .................................... 11
2K-3
Connections at Heater ......................................... 11
2K-4
Pressure Relief Valve .......................................... 12
2K-5
Automatic Chlorinators (Chemical Feeders) ....... 12
2L
Start-Up and Adjustment ..................................... 13
2L-1
Normal Operation ................................................ 13
2L-2
Start-Up ............................................................... 14
2L-3
Condensate ......................................................... 14
2L-4
Gas Pressure ....................................................... 14
2L-5
Adjustment of Water Pressure Switch ............... 14
2L-6
Water Temperature Rise ..................................... 15
SECTION 3
Operating Instructions
3A
Start-Up Procedure ............................................. 16
3B
Temperature Controls ......................................... 16
3C
Lighting and Shutdown ....................................... 17
3C-1
Lighting 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
SECTION 4
Maintenance and Service
4A
General ................................................................ 20
4B
Induced-Draft Combustion System ..................... 21
4C
Heater Components and Their Operation ........... 21
4D
Combustion Air Filter .......................................... 22
4E
Electrical Trouble Shooting ................................. 22
4E-1
115V Electrical Power Supply ............................. 22
4E-2
Control Circuit Trouble Shooting ......................... 23
4E-2a
Transformer ......................................................... 23
4E-2b
Fuse ..................................................................... 23
4E-2c
Fireman Switch and External Interlocks ............. 24
4E-2d
Limit Switches ..................................................... 24
4E-2e
Water Pressure Flow Switch ............................... 24
4E-2f
Temperature Control ........................................... 24
4E-2g
Venturi Pressure Switch ...................................... 24
4E-2h
Ignition Control .................................................... 24
4E-2i
Burner Limit Switch ............................................. 25
4E-2j
Vent Limit Switch ................................................ 25
4E-2k
Combustion Blower ............................................. 25
4E-2l
Igniter ................................................................... 25
4F
Venturi Combustion Flow System ....................... 25
4F-1
Pressure Measurement Ports .............................. 25
4F-2
Venturi System Checkout .................................... 26
4F-2a
Unfired Venturi Differential Pressure .................. 26
4F-2b
Gas Pressure Offset ............................................ 26
4F-2c
Gas Orifice Differential ........................................ 26
4F-3
Air Flow Investigation .......................................... 27
4F-3a
Combustion Air Flow ........................................... 27
4F-3b
Flow in Heater and Vent ...................................... 28
4F-4
Fuel Gas Type and Gas Orifice Size .................. 28
4F-5
High Elevation Operation .................................... 28
4G
Combustion Condensate ..................................... 28
4H
Major Component Service ................................... 29
SECTION 5
Capacities and Dimensions
5A
General Information ............................................ 29
SECTION 6
Replacement Parts
6A.
General Information ............................................ 30
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