UFC 3-440-01
14 June 2002
(6)
Expansion loops (if required) shown and noted.
(7)
Manual air vents, pressure relief, valves and drains shown.
all branch manifolds.
(9)
Walkway, catwalk, or other array access shown and noted.
c. System Elevation
(1)
Pipe pitches for positive draining shown and noted.
(2) Piping elevations from equipment room to system and throughout array
shown and system elevation head noted.
(3)
Required collector tilt angle shown and noted.
(4)
Mechanical chase shown between equipment room and roof.
(5)
Array support structure shown.
(6)
Walkway, catwalk, or other array access shown and noted.
d. Equipment Room Layout
(1) Storage tank, pump(s), piping, control panel, heat exchanger,
expansion tank, and drain shown.
(2)
Backup water heating unit shown.
(3) Access is available to all equipment by maintenance personnel for
repair, replacement, or monitoring.
e. Schedules and Instructions
(1) Schedule of operation. The operating characteristics (including the
on/off temperature differential) of the system should be indicated.
(2) Installation instructions. Instructions should be provided regarding
important installation details. These details include the use of Sb5, Sn94, Sn95, or
Sn96 solder for copper piping and on-site insulating instructions for equipment and
piping.
(3) Design information schedule. Include the system design parameters
into a drawing schedule(s).
(4) System filling and start-up instructions. Instructions on mixing the
propylene glycol solution and filling the system will be provided. System fill pressure
E-4
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