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P a g e
2.0 INSTALLATION
2.5 Circulating Water Connections
Size all interconnecting piping equal to or
larger than the provided connection to
minimize external pressure drop. All
outside piping to be copper and insulated if
needed to prevent condensation. Consult
your State, Local and municipal codes.
1) Ensure cleanliness of piping.
2) Remove excess flux from solder joints.
3) Run connections as straight and short
as possible.
4) Install vibration isolators at the chiller
supply and return lines.
5) Install air vents at the high points in the
system.
6) Install drain valves at the base of every
rise for system flush.
7) Install heat trace on all piping exposed
to temperatures below 34°F (1°C) and
cover with closed cell UV resistant
insulation. Route power for heat trace
from separately fused disconnect.
Identify disconnect as heat trace and
label Do not power off except when
being serviced.
8) Label supply and return lines over
insulation with arrow indication flow
direction.
9) Sleeve and insulate pipe penetrations
through all roof and or walls.
10) Provide and install a ball valve on
supply and return connections at the
instrument / equipment to allow
isolation for service.
11) Provide and install a pressure gauge 0-
100psig on the supply side between the
ball valve and indoor instrument /
equipment.
12) Provide and install an in-line flow meter
on the return side between the ball
valve and indoor equipment. Haskris
recommends Blue-White Series F,
variable Area Flow Meter sized to
match the piping line size and pump
GPM. Provide a moveable sleeve over
the flow meter to prevent exposure to
light. Prolonged exposure to light can
promote biological growth in the
system. Contact Haskris for assistance
selecting the correct flow meter.
Required:
Provide and install a loop of
1-1/2
” reinforced opaque hose between
supply and return connections in
equipment room to allow a no-load
startup test.
Note: Flow meter must be securely
supported via wall mount bracket.
FLOW METER
Summary of Contents for OPC 12
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Page 33: ...30 P a g e 6 0 WARRANTY 5 0 MAINTENANCE 6 1 Standard Product Warranty 6 0 WARRANTY ...
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