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 Minimum Clearances 

(Replaces pg. 9 in instruction manual.) 

 

 WARNING

 

Failure to adhere to these installation and operating instructions may create a hazard to 
life and property and will nullify the warranty. 

 

This installation must allow access to the front of the water heater and adequate 
clearance must be provided for servicing and operating this water heater.  The water 
heater may be installed on either a combustible or non-combustible floor.  If the water 
heater is to be installed directly on carpeting, it must be installed on top of a metal or 
wood panel (or equivalent) extending beyond the full width and depth of the water 
heater by at least 3 in. 

(7.6 cm)

 in any direction or, if the appliance is to be installed in 

an alcove or closet, the entire floor must be covered by the panel.  If the rating plate or 
the label on the front of the heater specifies minimum clearances less than those listed 
in the below table, the water heater must be installed in accordance with the minimum 
clearances listed on the rating plate or the label on the front of the heater. 

 

If it is necessary to install this water heater in an alcove, use the clearances listed in 
Figure 1. 
 
 
 
 
 

 

       

 

 

 

 

 

 

 

 

 

 

 

 

Figure 1. 

Minimum Clearances for an Alcove Installation.

 

Summary of Contents for Defender Safety System 238-48248-00

Page 1: ...on Resistant System In the event of improper usage or storage of gasoline or other flammable materials in the location where the water heater is installed the technology will resist ignition of the fl...

Page 2: ...must be installed on top of a metal or wood panel or equivalent extending beyond the full width and depth of the water heater by at least 3 in 7 6 cm in any direction or if the appliance is to be ins...

Page 3: ...ance if any part has been under water Immediately call a qualified technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water a fi...

Page 4: ...lockwise to decrease the temperature setting Rotate the thermostat dial clockwise to increase the temperature setting Adjust the dial until the minimum acceptable temperature is achieved DANGER Hotter...

Page 5: ...adjusting air mixture and do not have an adjustable air shutter See Figure 3 At periodic intervals a visual check of the main burner and pilot flames should be made to determine if they are burning p...

Page 6: ...6 INSTALLATION FOR POTABLE WATER Replaces pg 28 in instruction manual Figure 4...

Page 7: ...7 PARTS LIST DRAWING Replaces pg 29 in instruction manual Figure 5 1 3 4 5 6 7 8 9 10 12 13 14 15 16 15A 19 20 21 22 23 24 25 27 28 11 26 2 18 17...

Page 8: ...ccessory Module 4 Jacket 18 Junction box wire harness 5 Heat trap outlet 19 Thermal well 6 Anode Outlet Device 20 Gas control 7 Heat trap inlet 21 FV sensor RTS wire harness 8 Baffle 22 FV sensor clip...

Page 9: ...emicals such as those used for boiler treatment must not be introduced into potable water used for space heating 2 This water heater must not be connected to an existing heating system or component s...

Page 10: ...ed with a flammable vapor water heater control will shut down the water heater and display a code of 7 flashes and then a 3 second pause If a 7 flash error code is present check to see if flammable va...

Page 11: ...d Accessory Module If wiring in conduit is required cut the flexible line cord at least 6 in 15 2 cm from the bushing Unscrew and remove the Setback Control Junction Box Assembly lid Pull the cord int...

Page 12: ...REPLACED WITH APPLIANCE WIRE MATERIAL WITH A MINIMUM TEMPERATURE RATING OF 105 C AND A MINIMUM SIZE OF NO 18 AWG ELECTRICAL RATING HOT LOW HOT VERY A C B Honeywell W PILO SETBACK GAS R B W B G Y POWER...

Page 13: ...t 2 Pilot tube block or restricted 3 Oxidation build up on pilot electrode 4 Wire damage to pilot assembly or bad connection at gas valve Two flashes three second pause Relay not working Faulty relay...

Page 14: ...r exposed to excessive moisture 3 Flammable vapor sensor exposed to extreme ambient temperature 4 Resettable thermal switch open Eight flashes one flash three second pause Flammable vapor sensor out o...

Page 15: ...sends power to the relay which then closes the relay contacts 4 The control starts the ignition process by providing a spark at the pilot electrode and allowing gas to flow to the pilot 5 When the pil...

Page 16: ...16 Notes...

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