Install Instructions

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IM-PF 724596 1021 PureFlow Water System (EN)
Table of Contents
10 Installing Manifold Distribution Lines _______________________ 51
10.1 Installing Manifold Distribution Lines _____________________ 51
10.2 Valve Operation ______________________________________ 52
10.3 Connecting Distribution Lines to the ManaBloc ____________ 53
10.3.1 Port Connections for PureFlow Press Connections _ 53
10.3.2 Port Connections for PureFlow Crimp Connections 55
10.4 Connecting Distribution Lines to Fixtures _________________ 56
10.5 Water Supply Connections _____________________________ 56
11 Installing the Viega PureFlow PEX Tubing System ___________ 58
11.1 Handling PureFlow PEX Tubing _________________________ 58
11.2 Decoiling PureFlow PEX Tubing _________________________ 58
11.3 Bending PureFlow PEX Tubing __________________________ 59
11.4 Removing PureFlow Connections _______________________ 60
11.5 Repairs _____________________________________________ 60
11.6 Freezing _____________________________________________ 60
11.7 Water Heaters _______________________________________ 61
11.8 Heaters, Flues, Vents, and Recessed Lights ______________ 61
12 Fastening the Viega PureFlow System ______________________ 62
12.1 Wood Frame Construction _____________________________ 62
12.2 Steel Construction ____________________________________ 62
12.3 Supporting PureFlow PEX Tubing _______________________ 63
12.4 Noise and Water Hammer in PureFlow Systems ___________ 64
12.5 Shower Valves _______________________________________ 64
12.6 Electrical Grounding __________________________________ 64
12.7 Expanding Foams ____________________________________ 65
12.8 Fire Stop Compounds _________________________________ 65
12.9 Tubing Expansion _____________________________________ 66
12.10 Calculating Expansion Loops and O󶈴sets ________________ 67
12.10.1 Linear Expansion _____________________________ 67
12.10.2 Compensation Distance _______________________ 67
12.10.3 Corner Expansion O󶈴set _______________________ 68
12.10.4 Z-Type Expansion O󶈴set _______________________ 69
12.10.5 U-Type Expansion O󶈴set _______________________ 70
12.11 Domestic Hot Water Circulating Systems _________________ 71
13 Installing Viega PureFlow Fittings __________________________ 73
13.1 Stub Out Options _____________________________________ 73
13.2 Copper Connections __________________________________ 74
13.2.1 Soldering Zero Lead Alloy PureFlow Fittings _______ 74
13.2.1.1 Prepping and Cleaning ________________ 74
13.2.1.2 Use of Proper Flux and Solder __________ 75
13.2.1.3 Heating _____________________________ 75
13.2.1.4 Proper Cool Down ____________________ 75
13.3 Threaded Connections ________________________________ 75
13.4 Valves ______________________________________________ 76
13.5 Connections _________________________________________ 76
13.5.1 Water Closet Connections _____________________ 76
13.5.2 Riser Connections ____________________________ 77
13.5.3 Wall Hydrant Connections _____________________ 77
13.5.4 Lav Or Kitchen Faucet Connections _____________ 77