2 - 24 RTHC-IOM-1C
q Cleanout tees
q Pipe strainer
q Flow switch
Leaving condenser water piping.
q Air vents (to bleed air from system)
q Water pressure gauges with shutoff valves
q Pipe unions
q Vibration eliminators (rubber boots)
q Shutoff (isolation) valve - one per each pass
q Thermometers
q Cleanout tees
q Balancing valve
q Pressure relief valve.
CAUTION: To prevent condenser
damage, do not exceed 150 psig (10.3
bar) water pressure for standard
water boxes. Maximum pressure for
high pressure water boxes is 300 psig
(20.7 bar). Refer to digit 18 of the
Model No.
To prevent tube damage, install a
strainer in condenser water inlet pip-
ing.
To prevent tube corrosion, ensure
that the initial water fill has a bal-
anced pH.
Condenser Water Regulating Valve
The water regulating valve is used when the
condenser water temperature is expected to fall
below 60
°
F. It maintains condensing pressure and
temperature by throttling water flow leaving the
condenser in response to condenser pressure or
differential system pressures.
Adjust the valve for proper operation during unit start-
up.
Condenser Water Regulating Valve
Adjustment
Refer to
Trane RTHC-SB-7
for installation and
adjustment of the optional condenser water
regulating valve.
Water Treatment
CAUTION
CAUTION: Water Treatment!
Do not use untreated or improperly
treated water. Use of untreated or
improperly treated water may result in
equipment damage.
Using untreated or improperly treated water in these
units may result in inefficient operation and possible
tube damage. Consult a qualified water treatment
specialist to determine whether treatment is needed.
The following disclamatory label is provided on each
RTHC unit:
The use of improperly treated or untreated
water in this equipment may result in scaling,
erosion, corrosion, algae or slime. The
services of a qualified water treatment
specialist should be engaged to determine
what treatment, if any, is advisable. The Trane
Company warranty specifically excludes
liability for corrosion, erosion or deterioration
of Trane equipment. Trane assumes no
responsibilities for the results of the use of
untreated or improperly treated water, or
saline or brackish water.
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