September 2020
15
Quest IQ Compressor Wall OMM
o
Piping connection location may vary
–
refer to particular cooler labels, stickers, submittal and other
documentation.
•
Electric power is normally to be brought to
disconnect
(35) (if cooler is equipped with such), which feeds it to
the
electrical box
(36), that contains cooler power and control apparatuses.
o
Depending on dry cooler specifics, location of electrical box may slightly differ; in some cases,
electrical box may be incorporated into pump package or located on the opposite side of the dry
cooler.
Dry Coolers Pump Package.
Dry Coolers
, if equipped with such option, would have a
pump package
box. Pic.D.6 below shows general layout of
pump packages, used for NG-V model
dry coolers. Note, that the package could be mounted onto the dry cooler
directly (standard) or provided separately.
•
Pump
(38) establishes glycol mixture circulation through
the dry cooler and HVAC system;
•
Expansion tank
(39) compensates for temperature-
based glycol volume fluctuation;
•
The pump package
electrical sub-panel
(40) contains the
pump package electrical power and control apparatuses.
•
The pump package manifolds are usually equipped with
pressure gauges, automatic
air venting valve
,
draining
and other valves.
Pic. D.6
38
40
39