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DVSCM-02
DIRECT VENT/
SEALED
COMBUSTION
DIRECT VENT/
SEALED
PATTERSON-KELLEY
COMBUSTION
®
THERMIFIC
DIRECT VENT/
DIRECT VENT/SEALED COMBUSTION
SEALED
GAS-FIRED BOILER
COMBUSTION
Supplement to the standard Installation and
Owner's Manual (TBIG - Latest Edition)
DIRECT VENT/
SEALED
C.S.A Design-Certified
Complies with ANSI Z21.13/CSA 4.9 COMBUSTION
Gas-Fired Low Pressure Steam and Hot Water Boilers
DIRECT VENT/
ASME Code, Section IV
SEALED
Certified by Patterson-Kelley
COMBUSTION
C.S.A Design-Ce
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® Thermific Gas-Fired Boiler Table of Contents 6.1c Lo-Hi-Lo IRI .................................... 17 1.0 INTRODUCTION..................................1 6.1d On-Off Series 1500, 1700, 2000 ..... 19 1.1 Code Compliance................................1 6.1e On-Off IRI Series 1500, 1700, 2000 21 1.1.1 Direct Vent/Sealed Combustion System..............................................1 6.2 Auxiliary Control Panel...................... 23 1.1.2 Fresh Air System...........................1 6
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® Thermific Gas-Fired Boiler Introduction 1.0 INTRODUCTION Direct vent (ANSI Z21.13) is a closed system method 1.1.2 Fresh Air System of ducting the combustion air directly from the outside (ducted combustion air system) of the building into the inlet compartment of the In some instances compliance with ANSI Z21.13 may burner, and a sealed exhaust vent from the combustion not be required, in which case a "fresh air system" may chamber to the outdoors. be used. Consultation with qualified prof
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® Thermific Gas-Fired Boiler Introduction/Safety Sidewall Air Inlet Exhaust Vent Roof Exhaust Vent Sidewall Air Inlet 2. Both the combustion air inlet and flue gas exhaust through the sidewall. 4. The combustion air inlet from the roof and the flue gas exhaust through the sidewall. 1.3 PURPOSE AND SCOPE OF THIS MANUAL Exhaust Air Inlet Vent This manual is a supplement and companion to the Thermific Installation and Owner's Manual. "TBIG." Both documents must be used together. This companio
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® Thermific Gas-Fired Boiler Installation Do not manifold two (2) or more units into a common silicone sealant, or equivalent, must be used on each sidewall vent system without provisions for additional circumferential and horizontal joint before joining forced draft. together. At least 24 hours must be allowed for cure of this sealant and proper bond. Cure time can be reduced through the application of heat (See instructions provided with the sealant). After the cure period, each joint mus
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® Thermific Gas-Fired Boiler Installation Whichever material is used, the termination must point Damper down and must be backed by a metal plate secured to Transition Round the wall. Duct Important: The chosen inlet termination must be included in the calculation of the maximum allowable equivalent length. See Section 3.4.5 for equivalent lengths. Damper Housing Correct rain cap, Typical incorrect unrestricted. rain cap. (Sidewall installation shown.) The boiler is equipped with a specia
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® Thermific Gas-Fired Boiler Installation with the application of heat. Refer to the 1. Terminals for the damper actuator: manufacturer's instructions. Wrap the joint with DO = Damper Open (CW) aluminum tape which is backed with an adhesive on DC = Damper Closed (CCW) the contact side. DN = Neutral/Common 2. Terminals for the limit (end) switch 3.2.5 Inlet Damper and Auxiliary Control SI = N.O. (Normally Open) Panel (optional) S2 = Common Note: The inlet damper assembly and control panel wi
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® Thermific Gas-Fired Boiler Installation 3.3.3 Exhaust Vent Connection at the Boiler from the outlet of the boot tee/ 135º tee to the inlet of the elbow. In addition, for sidewall venting, it is very important to provide a downward pitch of at least 1/4 Pitch toward boiler inch per foot of run from the termination at the wall 1/4" per foot min. toward the boiler for proper drainage of the condensate and for buoyancy assist of the flue gas. Furthermore, do not locate sidewall terminations
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® Thermific Gas-Fired Boiler Installation Whichever termination is chosen, it must be double unrestrictive type similar to the figure above. Elbows wall vent certified under UL 1738, or ULC-636. are also acceptable. When installing a sidewall exhaust system the termination must be backed by a metal plate secured to 3.4.5 Equivalent Length of Fittings the wall as shown in the figure. Fitting Description Equivalent Length Correct rain cap, Typical incorrect 90º Elbow 10 feet unrestricted. ra
Summary of the content on the page No. 10
® Thermific Gas-Fired Boiler Installation If the air inlet and/or exhaust vent terminal are through Clearances which must be maintained when both inlet the sidewall, clearances from other exhaust/inlet, and exhaust are through the roof are shown in the windows, doors, building openings, snow line, etc figures above. must be as shown in the figure above. There must be either 5' vertical separation or 10' horizontal separation between the flue gas outlet and 3.4.3 Minimum Clearance for Boiler
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® Thermific Gas-Fired Boiler Installation/Operation 3.4.3.2 Series 1500, 1700, 2000 normally closed contacts on the time delay relay and energizes the coil on the relay in the Auxiliary Control Panel. The relay will in turn energize the Exhaust Air Inlet damper actuator to open the damper. When the Vent Round damper is in the full open position, the limit switch will close and supply power to the contactor for Damper o the blower motor. 90 Elbow During this time (about 20 seconds), the air
Summary of the content on the page No. 12
® Thermific Gas-Fired Boiler Operation/Maintenance When the chart is completed, set up your boiler's 4.2.1 Combustion Air Requirement, SCFM combustion to the corresponding information at the temperature relative during the time of the start up. Series Series Series Series Series Series Enter your 100º F % Oxygen % Carbon 700 1000 1200 1500 1700 2000 operational range. Dioxide 8 7.2 170 251 291 364 413 501 7.9 7.3 7.8 7.4 7.7 7.4 7.6 7.5 7.5 7.5 5.0 MAINTENANCE 7.4 7.6 7.3 7.6 Maintenance pro
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® Thermific Gas-Fired Boiler Wiring Diagrams 6.0 WIRING DIAGRAMS 6.1 ON-OFF SERIES 700, 1000, 1200 Wiring Diagram Page 11
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® Thermific Gas-Fired Boiler Wiring Diagrams 6.1 ON-OFF SERIES 700, 1000, 1200 Logic Diagram Page 12
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® Thermific Gas-Fired Boiler Wiring Diagrams 6.1A ON-OFF IRI SERIES 700, 1000, 1200 Wiring Diagram Page 13
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® Thermific Gas-Fired Boiler Wiring Diagrams 6.1A ON-OFF IRI SERIES 700, 1000, 1200 Logic Diagram Page 14
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® Thermific Gas-Fired Boiler Wiring Diagrams 6.1B LO-HI LO Wiring Diagram Page 15
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® Thermific Gas-Fired Boiler Wiring Diagrams 6.1B LO-HI LO Logic Diagram Page 16
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® Thermific Gas-Fired Boiler Wiring Diagrams 6.1C LO-HI-LO IRI Wiring Diagram Page 17
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® Thermific Gas-Fired Boiler Wiring Diagrams 6.1C LO-HI-LO IRI Logic Diagram Page 18
