GSW JWF657, JWF507 manual III Installation

THESE CONDITIONS CAN RESULT IN UNSEEN INTER-			Fuel Specifications
NAL DAMAGE and are not subject to warranty coverage.			All JOHN WOOD brand water heaters are designed to burn
			only	fuels	not	heavier	than	No.2	(furnace) oil.
	CAUTION
Hydrogen gas can be produced in a hot water system			III) INSTALLATION
served by this heater that has not been used for a long			Unpacking the Water Heater
period of time (generally two (2) weeks or more).
Hydrogen gas is extremely flammable and can ignite
when exposed to a spark or flame. To reduce the risk of						WARNING
injury under these conditions, it is recommended that the
					Excessive Weight Hazard
hot water faucet be opened for several minutes at the
			Use two or more people to move and install
kitchen sink before using any electrical appliance con-
nected to the hot water system. Use caution in opening			water heater. Failure to do so can result in
faucets. If hydrogen is present, there will probably be an			back or other injury.
unusual sound such as air escaping through the pipe as
			Important: Do not remove any permanent instructions,
the water begins to flow. There should be no smoking or
open flame near the faucet at the time it is open.			labels, or the data label from outside of the water heater or
			on the inside of panels.
			• Remove exterior packaging and place installation com-
	CAUTION:		ponents aside.
			• Inspect all parts for damage prior to installation and
Possible cancer hazard by inhalation. Can
cause respiratory, skin and eye irritation.			start-up.
			• Completely read all instructions before attempting to
This product contains fiberglass wool and ceramic fiber			assemble and install this product.
materials. Airborne fibers from these materials have been			If you observe damage to the water heater or any of its com-
listed by the State of California as a possible cause of can-			ponents, DO NOT ASSEMBLE OR INSTALL IT OR MAKE
cer through inhalation. Use special care when handling			ANY ATTEMPT TO FIX THE DAMAGED PART(S). Contact
ceramic fiber (chamber lining and base insulation) materials.			the place of purchase for further instructions.
Ceramic fibers can be converted to chrystobalites, a sub-			• After installation, dispose of packaging material in the
stance listed as a probable cause of cancer. Suppliers of			proper manner.
fiberglass wool products recommend the following mea-			Location Requirements
sures be taken when handling these materials:
Precautionary measures:			The water heater must be installed indoors in an area not
• Avoid breathing fiberglass dust.			subject to freezing temperatures and in a vertical position on
• Avoid contact with skin and eyes.			a level surface. Water heaters located in unconditioned
• Use a National Institute for Occupational Safety and			spaces (e.g., attics, basements etc.) may require insulation
			of the	water	piping, drain		piping	and venting to protect
Health (NIOSH) approved dust/mist respirator.
			against condensation.
• Wear long-sleeved, loose fitting clothing, gloves and eye
			The water heater must be installed on a non-combustible
protection.			floor, as close to the chimney as practical. Select a location
• Wash work clothes separately from other clothing. Rinse			as centralized within the piping system as possible. The
washer thoroughly.			heater should be located in an area where leakage of the
Removing the burner may generate airborne fiber concen-			tank or connections will not result in damage to the area
tration requiring additional protection.			adjacent to the water heater or to lower floors of the struc-
First aid measures:			ture (see “IMPORTANT” notice on the following page).
• Eye contact - Flush eyes with sterile water to remove for-			Before installing this water heater, consideration and plan-
eign objects. If irritation or other symptoms persist, seek			ning must be given to the following details:
medical attention.			• Proximity to walls and other objects (see Figures 1, 2 &
• Skin contact - Wash affected areas gently with soap and		3).
warm water after handling.			• Access to oil supply (see “Oil Supply”).
			• Routing and support of the vent piping and termination
	WARNING
			(see “Venting”).
• Do not use	gasoline, crank case oil or an		• Position of water supply and placement of water piping
oil containing gasoline.			and floor drain (see “Water Supply”).
• Do not tamper with unit or controls.			• How and where to obtain combustion and ventilation air
• Do not leave paper or rags around the			supply. (see “Air Requirements”).						(see “Electrical
burner or heater.			• Connection to			the electrical service.
			Supply”).
• Do not experiment with the burner.
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