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2. After inserting the O-ring, screw the assembled riser onto the sled coupling by hand (clockwise). Hand tighten
until it is seated. No tools are required. Do not overtighten.
3. Once riser and sled coupling are assembled, attach the sprinkler to the sprinkler end of the riser.
B. ½" Aluminum Assembled Riser (manufactured by others)
1. The ½ riser consists of the following pieces: A ½" riser cap, chevron gasket and ½" assembled riser.
Note: NAPCO does not manufacture or warranty ½" risers beyond the riser cap.
Position riser to align with
sled coupling
Hand tighten
No tools required
Hand tighten
Place [MRDC] [MR] or [MDC]
onto riser first
Hand tighten
Place sprinkler head onto
[MRDC] [MR] or [MDC];
hand tighten
Place [MRDC] [MR] or
[MDC] onto riser first
Sprinkler head installed
Do not install sprinkler head
with [MRDC] [MR] or [MDC]
Components to field
assemble ½" riser
Содержание Certa-Set
Страница 1: ...Certa Set Field Installation Guide ...