Lennox International Inc GWB9-050IH-2 Concentric Vent Terminations, CombustionVent Air

Page 26

COMBUSTION AIR AND VENT PIPE

Figure 15 - Concentric Vent Terminations

1" (2.54cm) Maximum

CombustionVent

Air

Figure 17 - Concentric Vent Roof Installation

NOTE:VENT

SUPPORT MUST BE

FIELD INSTALLED TO

SECURE TERMINATION

KIT TO STRUCTURE.

COMBUSTION AIR

A

D

C

1" (2.54cm) Maximum

*See Note Below

Combustion

Air

Overhang

12" (30cm) Minimum

36"(0.9m) Minimum

Maintain 12" Maintainclearance12"(30cm)above

Vent clearancehighestaboveanticipatedhighest anticipatedsnow levelsnoworlevelgradeor

grade

AROOF BOOT/FLASHING

(FIELD SUPPLIED)

	B	ELBOW
		(FIELD SUPPLIED)

	C	SUPPORT
		(FIELD SUPPLIED)


		MAINTANIN 12 IN.
		(18IN. FOR CANADA)
		MINIMUM CLEARANCE VENT

DABOVE HIGHEST ANTICIPATED SNOW LEVEL. MAXIMUM OF 24 IN. ABOVE ROOF

B

COM

AIR

*Must be less than 4" or greater than 24" Horizontal dis- tance between end bells of each air intake to prevent ﬂue gas recirculation.

Figure 16 - Concentric Vent

ASTRAP

(FIELD SUPPLIED)

BELBOWB (FIELD SUPPLIED)

C1” MAXIMUM

VENT

COMBUSTION AIR

A

NOTE:

SECURING STRAP MUST BE FIELD INSTALLED TO PREVENT MOVEMENT OF TERMINATION KIT IN SIDE WALL.

COMBUSTION AIR

VENT

C

26

Image 26

Contents Installation Instructions Boiler Dimensions Introduction IntroductionImportant Safety Information GeneralSEA Level Ratings Natural and Propane Gases Net Ahri Rating Shipping Flue DiameterBoilers for USE AT High Altitude United States Installations 90 50/75/100 Series 2 Natural GAS90 50/75 Series 2 Propane GAS 43331093 43331096Boiler Location Considerations Before Installing the BoilerBoiler Sizing Combustion Air And Vent Pipe Requirements Boiler InstallationLocating The Boiler Extreme cold climate areas, use ¾ Armaﬂex or equivalentCondensate Drain Requirements Install boiler on level surfaceBoiler is not to be installed on carpeting Foundation RequirementsSupply And Return Lines Clean the System FirstNear Boiler Piping Single Zone Boiler Piping Multi-Zone Systems Two Zone Boiler Piping With Zone ValvesTwo Zone Boiler Piping With Circulators Page Page Page Terminate pipe with plain end not threaded Safety Relief ValveExpansion Tank And Make-Up Water Diaphragm Type Expansion Tank Piping Conventional Closed Type Expansion Tank Piping Filling Condensate Trap With Water Reinstall vent drain lineCondensate Drain Piping Chilled Water PipingExample Combustion AIR and Vent PipeConnections And Termination Elbow @ 3 ft. + 1 elbow @ 3 ft. = 6 equivalent ft. of pipe Installation Boiler SizeVent AIR Intake Roof Vent / Intake TerminationsLess Than 12 Clearance Concentric Vent Terminations CombustionVent AirCombustion Air and Vent Piping Boiler Connections Feet minimum total equivalent length for all modelsCheck Gas Supply Connecting The Gas PipingGAS Supply Piping Leak Check Gas Piping445,000 Gas Pipe Sizes625,000 365,000Thermostat Installation Electrical WiringElectric Power Supply Connect Circulator Pump WiringWiring Schematic Ladder Wiring Diagram Page Ladder Diagram for Figure Controls and Accessories Draft Inducer Casting Temperature Safety SwitchDrain Valve Circulator PumpStart UP Operating Instructions To Turn Off Gas To ApplianceDisplay S9381A Integrated Boiler Control Operation and AdjustmentsUser Parameters Adjusting Settings State Code Deﬁnitions Sequence of Operation Check OUT Procedure and Adjustment Set Thermostat To Desired Room Temperature Review All InstructionsVR8205 Maintenance and Cleaning Remove draft inducer and gasket from top of ﬂue connector Annual Examination And Cleaning Of Boiler ComponentsIgniter wires Gas valve wires Troubleshooting Initial Service ChecksError Codes Differential AIR Pressure Switch Check Boiler Differential PressureAluminum Series Eliminate System Leaks Clean System FirstFill Water and Chemistry General Guidelines When Using Antifreeze Antifreeze Products Installation and CHECK-OUT Certificate Boiler Model Serial # Date Installed Measured BTU/HR inputPage Lennox Industries Inc. Dallas, Texas

Related manuals

Manual 32 pages 41.03 Kb