Thermal Solutions APEX APX425C User Manual

156
106308-05 - 3/23
APEX Installation, Operating, & Service Instructions
Table
Number
Page
Number
Description
Section 1 - Product Description, Specifications & Dimensional Data
Table 1-1 4
Specifications
Table 1-2 4
Dimensions (See Figures 1-3, 1-4, and 1-5)
Table 1-6 8
Ratings
Section 3 - Pre-Installation and Boiler Mounting
Table 3-1 9 Corrosive Combustion Air Contaminants and Sources
Table 3-2 10 Vent Pipe Clearances to Combustible Material
Table 3-4 11 Apex Boiler Model Stacking Combinations
Section 4 - Venting
Table 4-1 15
Vent/Combustion Air Intake System Options
Table 4-2 16 Vent and Combustion Air Pipe Sizes and Equivalent Lengths
(Applies to All Listed Vent/Combustion Air System Options)
Table 4-3 16 Vent System and Combustion Air System Components Equivalent Length
(Applies to All Listed Vent/Combustion Air System Options)
Table 4-4 16
Vent and Combustion Air Equivalent Length Calculation Work sheet
Table 4-11 22 CPVC/PVC Vent & Air Intake Components Included With Boiler
Table 4-12 22 CPVC/PVC Vent & Air Intake Components (Installer Provided) required for Optional Horizontal
(Snorkel) Termination
Table 4-13 22 Components Required for Optional Ipex Profile Sidewall Termination
Table 4-14 22 CPVC/PVC Vent & Air Intake Components (Installer Provided) Required for
Optional Vertical Roof Termination
Table 4-17 24 Expansion Loop Lengths
Table 4-21 27 Listed Polypropylene Vent System Manufacturers
Table 4-22 28 M&G DuraVent PolyPro Polypropylene Vent/Combustion Air System Components
Table 4-23 28 Listed Polypropylene Pipe, Fittings and Terminations - Centrotherm Eco
Table 4-24 29
Listed Polypropylene Pipe, Fittings and Terminations - Z-Flex Z-Dens
Table 4-30 32
Thermal Solutions (Heat Fab) Vent System Components (Stainless Steel, 4 in. only)
Table 4-31 32
M&G Dura FasNSeal Stainless Steel Vent Systems Components, Single Wall
Table 4-32 33
Z-Flex, Z-Vent (SVE Series III, Z-Vent III) Stainless Steel Vent System Components, Single Wall
Section 5 - Condensate Disposal
Table 5-1 39 Maximum Condensate Flow
Section 6 - Water Piping and Trim
Table 6-2 42
Flow Switch Paddle Application
Table 6-3 43
Flow Range Requirement Through Boiler
Table 6-4 43 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 6-5 43 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 6-8 46
Fitting & Valve Equivalent Length
Table 6-11 49
Multiple Boiler Water Manifold Sizing

Thermal Solutions APEX APX425C Specifications

General

Brand	Thermal Solutions
Model	APEX APX425C
Category	Boiler
Language	English