TS20C USER MANUAL SECTION 4
102
In installations that include more than one
compressor, hot air exhaust should not be directed
toward the fresh air intake of the second unit or an air
dryer.
A standard machine installed outside must not be
started or run if the ambient temperature on and
around the compressor drops or may drop below
35ºF (1.7ºC).
For installation in a below freezing climate, a low
ambient option with heat tracing and a separator/
sump tank heater must be installed.
WATER-COOLED COMPRESSORS
Adequate cooling water flow must be supplied to
water-cooled compressors. Water delivery must be
verified to assure constant delivery per columns
outlined in Table 4-1: Water Flow Requirements. The
figure shown are for full-load operation utilizing an
aftercooler. Cooler water will reduce water-flow
requirements and warmer water will increase water-
flow requirements.
Consult the Sulliar Service Department for
assistance in these setups.
Water quality is critical to proper cooling of the
compressor. Excessive build-up of lime, scale or
other deposits can restrict the flow of water to the
compressor. These deposits act as a thermal
insulator and reduce the efficiency of the water
cooler.
The cleaning of piping and water coolers is the
customer’s responsibility. Inspect all piping for
deposits and clean as necessary. Refer to Water
Quality Recommendations on page 103.
Table 4-2: Ventilation Requirements indicates the
minimum ventilation requirements necessary to keep
the compressor running at its normal operating
temperature. The fan air requirement is the amount
of air, which must flow through the compressor for
proper ventilation. The heat rejection is the amount of
heat that is radiated by the compressor. This heat
must be removed to assure a normal operating
temperature. With air-cooled compressors (100-
200HP) it is possible to use this heat for space
heating, providing additional pressure drop across
the fan does not exceed 0.2 in W.C. Consult a Sullair
office for assistance in utilizing this heat. If ductwork
is added, the high static fan option is required.
DO NOT install compressor where it will be exposed
to temperatures less than 32ºF (0ºC) without freeze
protection. Consult factory for machine operation in
ambient temperature less than 32ºF (0ºC).
If machine is equipped with water regulating valve,
use the water regulating valve to adjust compressor
temperature to maintain a minimum of 180ºF
(82.2ºC); 190ºF (87.8ºC) for 24KT.
Temperature and pressure gauges should be
installed in the water piping for use in troubleshooting
of the water system. Water pressure should ideally
be between 25 and 75 psig (1.7 to 5.2 bar) but must
not be above 145 psig (10 bar).
Table 4-1: Water Flow Requirements
HP/kW
Water Temp.
ºF (ºC)
Water Flow (Typical)
GPM
Water Flow (Typical)
LPM
TS20C/V200TS 100HP/75kW 70 (21) 14.0 15.3
TS20C/V200TS 100HP/75kW 80 (27) 18.75 71
TS20C/V200TS 125HP/93kW 70 (21) 17.5 66
TS20C/V200TS 125HP/93kW 80 (27) 23.5 89
TS20C/V200TS 150HP/112kW 70 (21) 21.0 79.5
TS20C/V200TS 150HP/112kW 80 (27) 28.0 106
TS20C/V200TS 200HP/150kW 70 (21) 40 151
TS20C/V200TS 200HP/150kW 80 (27) 44 166
TS20C/V200TS 250HP/187kW 70 (21) 49 185
TS20C/V200TS 250HP/187kW 80 (27) 54 204
NOTE: Recommended water pressure range is 25 to 75 psig (1.7 to 5.2 bar).
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