Polaris PC 175-50 3NV Installation Checklist, Water Heater Location, Requirements, Vertical

INSTALLATION CHECKLIST

Water Heater Location	Alternate Horizontal
Requirements	Correct relationship - outlet to inlet.
	12” Min. (30.5 cm) above anticipated snow level.
Centrally located with the water piping system. Located	2” exhaust outlet/air inlet pipe sloped down towards
as close to the gas piping and vent pipe system as pos-	water heater at 1/4” per foot (21 mm per meter). 3”
sible.	piping sloped down towards the heater at 1/8” per foot
	(10.5 mm per meter).
Located indoors and in a vertical position. Protected
	Away from corners, other vents, windows, etc.
from freezing temperatures.
Proper clearances from combustible surfaces main-	Vertical
tained and not installed directly on a carpeted floor.
Sufficient room to service the water heater.	Inlet - 12” Min. (30.5 cm) above roof/snow level.
Provisions made to protect the area from water dam-	Correct relationship - outlet to inlet.
age. Properly sized metal drain pan installed and piped	Away from corners, other vents, windows, etc.
to an adequate drain.
Installation area free of corrosive elements and	Concentric
flammable materials.	12” Min. (30.5 cm) above grade/snow level.
Condensate Line	2” exhaust outlet/air inlet pipe sloped down towards
Drain stem is fully inserted in the elbow and glued	water heater at 1/4” per foot (21 mm per meter). 3”
	piping sloped down towards the heater at 1/8” per foot
properly.
	(10.5 mm per meter).
Trap aligned so that the exhaust pipe is in a vertical
	Away from corners, other vents, windows, etc.
position close to the surface of the water heater.
Line properly sloped to adequate drain or approved	Water System Piping
condensate pump.
Properly vented.	Temperature and pressure relief valve properly
Protected from freezing (if required).
	installed with a discharge line run to an open drain and
Vent Pipe System
	protected from freezing.
Vent pipe and fittings of approved material.	All piping properly installed and free of leaks.
	Heater completely filled with water.
Acceptable size, length, and number of elbows on air
	A properly sized expansion tank must be installed on all
inlet pipe.
	closed systems.
Acceptable size, length, and number of elbows on
	A mixing valve must be installed per the manufacturer’s
exhaust outlet pipe.	instructions.

…Add the air inlet filter per the manufacturer’s instruction. Gas Supply and Piping

…Installed in accordance with prevailing provisions of

Local codes, or in the absence of such, National Fuel	If using a flexible gas connector, make sure its rating
Gas Code, NFPA 54, ANSI Z223.1-Current Edition.	tag matches or exceeds the input of the water heater.
Canadian Installations must be performed in accor-	Adequate pipe size and of approved material.
dance with CAN/CSA-B149.1-Current Edition.	Gas supply is the same type as listed on the water
All 2” horizontal piping sloped down toward the water	heater data plate.
heater at 1/4” per foot (21 mm per meter). 3” piping	Gas line equipped with full opening shut-off valve,
sloped down towards the heater at 1/8” per foot (10.5	union and drip leg.
mm per meter).	Approved pipe joint compound used.
Not obstructed in any way.	Chloride-free soap and water solution or other ap-
	proved means used to check all connections and fit-
Vent Termination
	tings for possible gas leaks.
Horizontal	Electrical Connections

…Correct relationship - outlet to inlet.

…12” Min. (30.5 cm) above grade/snow level.

…2” exhaust outlet/air inlet pipe sloped down towards water heater at 1/4” per foot (21 mm per meter). 3” piping sloped down towards the heater at 1/8” per foot (10.5 mm per meter).

…Away from corners, other vents, windows, etc.

…Unit connected to a dedicated power supply.

…Unit connected to a 120V electrical supply.

…Proper polarity.

…Water heater properly grounded.

…Installed in accordance with prevailing provisions of local codes, or in the absence of such, National Fuel Gas Code, NFPA 54, ANSI Z223.1-Current Edition.

Canadian installations must be performed in accor- dance with CAN/CSA-B149.1-Current Edition.

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