Product data

Catalog 724-2 11
Options and Accessories
Factory Valve & Piping Packages
Factory valve and piping packages are available for both
two-pipe and four-pipe systems with either right or left hand
connections. Four-pipe systems can be congured with the
heating and cooling connections on the same or opposite
sides of the unit. Packages can be either factory-installed
or factory-assembled and shipped loose with the unit. All
factory-assembled packages are fully leak tested. Units are
also available without valve and piping packages in either a
right-hand or left-hand congurations.
Factory-installed packages are welded to the coil and wired
to the unit control box, MicroTech controller or LV Interface
Board. For eld-installed packages, chilled and hot water
pipes are the only eld connections required. Piping is 1/2"
nominal copper (5/8" OD).
Figure 4: Four-pipe deluxe valve and piping package
Pre-determined eld connection points are located for easy
access. The installing contractor can pre-pipe the building
water connections before the units arrive on the jobsite. A
label clearly identies chilled and hot water connection points
on every unit.
All chilled water piping and components are located to allow
condensate to drain into the secondary drain pan supplied
with the valve package. Insulation of the factory piping
package is not required.
Available Packages
All factory-installed valve packages are exible, congurable
and fully software-selectable in our Daikin McQuayTools
selection program. Custom valve packages are available also.
Numerous piping packages are available to match design
congurations. Additional components can be added to meet
exact requirements, including P/T ports, unions, and exible
stainless steel hoses.
Shut-Off Only Packages
Shut-Off Only piping packages provide interconnecting
copper piping and shut-off ball valves for ease in connecting
supply and return lines to the unit. Four-pipe packages
include a venting valve for the preheat or reheat coil. Primary
coils on all units have an integral venting valve.
Figure 5: Shut-Off Only Package
(See Figure 10 for components key)
Basic Packages
Basic valve and piping packages add control valves to the
Shut-Off Only package. All Daikin control valves are
factory-mounted in the supply water pipe. See C
ontrol
Valve Options on page 13 for more information on the
variety of control valves available.
Figure 6: Basic Package
(See Figure 10 for components key)
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