Installation Guide

© Danfoss | Climate Solutions | 2021.12 2 |
Outlet Flange Brazing:
Place outer ange on evenly cut copper pipe
NOTE: ensure ange is not mounted on main
housing during brazing
When changing check valve spring:
1. Remove check valve insert from main housing
2. Remove check valve head
3. Remove spring and replace with correct color based on in-
tended orientation
4. Replace check valve head and insert
5. Install outlet ange, O-ring and fasteners
Min 5% Ag
Main housing
Check valve insert
Check valve head
NOTE: Use silicone lubricant spray
at O-ring if needed
Check valve spring
Outlet flange,
O-ring and fasteners
NOTE: Apply provided lubrication to
O-ring
Orientation:
NOTE: Check valve spring must be changed when using any
orientation other than vertical downing
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