AHRI APEX, Installation, Operating And Service Instructions

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Appendix B - Tables
Table
Number
Page
Number Description
Section I - Product Description, Specifications & Dimensional Data
Table 1A 5
Specifications
Table 1B 5
Dimensions (See Figures 1A, 1B, 1C and 1D)
Table 2 10
Ratings
Section III - Pre-Installation and Boiler Mounting
Table 3 13 Apex Boiler Model Stacking Combinations
Section IV - Venting
Table 4 16
Vent/Combustion Air System Options
Table 5 16 Vent/Combustion Air Pipe Length – Two-Pipe Direct Vent System Options
CPVC/PVC
Polypropylene (PP) or Polypropylene (PP)/PVC
Stainless Steel/PVC or Galvanized Steel)
Table 6A 17 Vent System and Combustion Air System Components Equivalent Length vs. Component Nominal
Diameter
Table 6B 18
Vent Combustion Air Equivalent Length Calculation Work sheet
Table 7A 21 CPVC/PVC Vent & Air Intake Components Included With Boiler
Table 7B 21 CPVC/PVC Vent & Air Intake Components (Installer Provided) required for Optional Horizontal
(Snorkel) Termination
Table 7C 22 CPVC/PVC Vent & Air Intake Components (Installer Provided) required for Optional Vertical (Roof)
Termination
Table 8 24 Expansion Loop Lengths
Table 9 26 Listed Polypropylene Vent System Manufacturers
Table 10A 27 Listed Polypropylene Pipe, Fittings and Terminations - M&G/DuraVent
Table 10B 27 Listed Polypropylene Pipe, Fittings and Terminations - Centrotherm Eco
Table 11A 30
Thermal Solutions Vent System Components (Stainless Steel)
Table 11B 30
Alternate Vent Systems and Vent Components (Stainless Steel)
Section VI - Water Piping and Trim
Table 11C 35
Maximum Condensate Flow
Table 12 41
Flow Range Requirement Through Boiler
Table 13A 42 Recommended Taco Circulators for 50 ft. Equivalent ft. Near Boiler Piping [Approximately 20 ft.
Straight Pipe, (4) 90° Elbows, and (2) Full Port Ball Valves]
Table 13B 42 Recommended Grundfos Circulators for 50 Equivalent ft. Near Boiler Piping [Approximately 20 ft.
Straight Pipe, (4) 90° Elbows, and (2) Full Port Ball Valves]
Table 14 43
Fitting & Valve Equivalent Length
Table 15 47
Multiple Boiler Water Manifold Sizing
Section VII - Gas Piping
Table 16A 51 Maximum Capacity of Schedule 40 Black Pipe in CFH* (Natural Gas) For Gas Pressures of 13.8
in. w.c. or Less
Table 16B 52 Maximum Capacity of Schedule 40 Black Pipe in CFH* (LP Gas) For Gas Pressures of 0.5 psig or
Less
Table 17 52
Equivalent Length of Standard Pipe Fittings & Valves
Table 18 53 Specific Gravity Correction Factors
Table 19 53
Min./Max. Pressure Ratings