EarthLinked DSH-1872, Manual

Page: 3 / 20

DSH KIT (04/13) Page 3
Desuperheater Kit Information
For SC Compressor Units:
The field installed ETI Desuperheater Kit Model DSH-1872 equips the SC Series
Compressor Unit
with supplemental water heating capability during (1) heating and
cooling mode operation or (2) cooling mode operation for the ETI Heating and
Cooling System.
Use of the desuperheater to heat water during the heating season will increase the heating
load on the space heating equipment by 2,000 BTUH for each adult and teenager
occupant.
For CC Compressor Units:
The field installed ETI Desuperheater Kit Model DSH-1872 equips the CC Series
Compressor Unit
with supplemental water heating capability during cooling mode
operation.
For SC and CC Compressor Units:
Typical water piping installed with an existing or new standard storage water heater is
illustrated in Figure 1.
Water piping for the desuperheater installed with an ETI Model GSTE Storage Water
Heater is illustrated in Figure 2. The GSTE Series Storage Water Heater is available in 60,
80 and 119 gallon capacities with water piping connections built into the top of the storage
water heater specifically for use with the desuperheater. All GSTE Series models are
equipped with a 4.5 kW electric heater and provide the following hot water recovery rates in
gallons per hour, for a range of water temperature increases, in degrees Fahrenheit.
ΔT
30 40 50 60 70 80 90
GPH 62 46 37 31 26 23 21
*
ΔT in ºF; GPH in U.S. Gallons per hour.