PB Heat DE manual General, Chimney Venting, Direct Exhaust Horizontal Venting

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VENTING

4. VENTING

A.GENERAL

1.Install vent system in accordance with the "Venting of Equipment" Chapter of the National Fuel Gas Code, ANSI Z223.1/NFPA 54, the "Venting Systems and Air Supply for Appliances" Section of the CAN/CSA B149.1, Natural Gas and Propane Installation Code. or applicable provisions of the local building codes.

2.Do not connect vent connectors serving appliances vented by natural draft into any portion of mechanical draft systems operating under positive pressure.

3.Refer to the following venting options to determine which method is applicable.ON –

WARNING

All joints of positive pressure vent systems must be sealed completely to prevent leakage of flue products into the living space.

B.CHIMNEY VENTING

If venting into a masonry chimney; chimney must be lined with a fire clay tile liner or corrosion resistant metal liner. Type B vent may also be used as a lining system or as a stand alone chimney vent.

1.The vent system, when installed per the following instructions, will operate with a negative pressure (draft).

Table 4.1: Increaser & Chimney Size

Boiler

Increaser Size

Vent Size

Chimney

Model

Diameter

Height

 

 

 

 

 

DE-03

3" to 4" (7.6 to 10.2 cm)

4" (10.2 cm)

15' (4.5 m)

DE-04

3" to 5" (7.6 to 12.7 cm)

5" (12.7 cm)

15' (4.5 m)

DE-05

3" to 5" (7.6 to 12.7 cm)

5" (12.7 cm)

15' (4.5 m)

DE-06

3" to 5" (7.6 to 12.7 cm)

5" (12.7 cm)

15' (4.5 m)

 

 

 

 

Figure 4.1: Chimney Venting

2.Horizontal portions of the venting system shall slope upward at least 1/4” per lineal foot (21 mm per meter) between boiler and chimney. The vent pipe shall be supported to prevent sagging; using metal strapping or equivalent means at no more than 4 ft. (1.2 meter) intervals.

3.Locate fan adapter, silicone, hardware and fan adapter gasket in boiler miscellaneous parts box and attach to blower outlet flange. Refer to Fig. 4.1 for details.

4.Apply 1/4” (6 mm) bead of silicone around fan adapter and slip increaser over the fan adapter. Refer to Table 4.1 for increaser and chimney sizes.

Increaser to be provided by installer.

5.Single wall vent pipe should be furnished between increaser and chimney. If the vent connector shall be located in or pass through a cold area, the vent connector shall be type B material.

C.DIRECT EXHAUST; HORIZONTAL VENTING

NOTICE

Flue gases will condense as they exit the vent termination. This condensate can freeze on exterior building surfaces which may cause discoloration of these surfaces.

1.This vent system will operate with a positive pressure in the vent pipe. Follow vent pipe manufacturers instructions for proper assembly of vent pipe and fittings.

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Contents Series DE Table of Contents Installation Sequence Using this ManualSpecial Attention Boxes Accessibility Clearances PreinstallationClearance from Combustible Construction AIR for Combustion and VentilationRequired Volume other = Where Ifan = Input of the fan assisted appliances in Btu/hrMechanical Combustion Air Supply Air Openings All Air from Outdoors through Vertical DuctsPlanning the Layout Installation SurveyCombustion Air Ducts Boiler SET-UP Boiler Supply and Return Water Piping and ControlsParallel Hook-up with Water Chiller Safety Relief ValveZone Piping with Zone Valves Piping for Zoned SystemsINDIRECT-FIRED Water Heater Expansion TankFreeze Protection For new or existing systems that must be freeze- protectedGeneral VentingChimney Venting Direct Exhaust Horizontal VentingEquivalent Vent Length Direct Exhaust, Sidewall Venting with Vertical Off-Set Direct Exhaust Sidewall Venting Direct Exhaust Vertical VentingSeal any unused openings in the common venting system Boiler Removal from Common Venting SystemGas Connection to Boiler GAS PipingNatural Gas Zoned System Wiring Wiring ControlsElectrical Sequence of Operation Wiring and Connection DiagramIgnition System Operating Sequence Zone Wiring with Zone Valves Completing the Installation START-UP ProceduresValve Tapping and Adjustment Screw Locations For Your Safety Read Before Lighting Control Descriptions Adjustment of GAS Pressure RegulatorChecking Burner Input See .1 in Electrical for locations of these devicesCHECK-OUT Procedure START-UP Procedures Troubleshooting Guides TroubleshootingMeasuring Suction Pressure Procedure For Measuring Fan Suction Pressure See Figure Boiler Troubleshooting Guide Burners FunctioningBoiler Troubleshooting Guide Burners Not Functioning Maintenance Weekly with Boiler in USE Daily with Boiler in USEMonthly with Boiler in USE Intermittent Pilot and Main Burner Flame Annually Before Start of Heating SeasonSeries DE Boiler Ratings Boiler Dimensions & RatingsRepair Parts Series DE GAS Boiler Repair PartsBase/Burners/Manifold Repair Parts Page Page Series DE

DE specifications

PB Heat DE, recognized for its exceptional heating appliances, is a leading manufacturer of high-efficiency boilers and hydronic heating systems. With a commitment to quality and innovation, PB Heat DE has established itself as a trusted name in the home heating industry. The company emphasizes energy efficiency, reliability, and user comfort, ensuring that their products meet the diverse needs of residential and commercial customers alike.

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