7
SYNERGY3D INSTALLATION MANUAL
Water Quality
In ground water situations where scaling could be heavy
or where biological growth such as iron bacteria will be
present, a closed loop system is recommended. The heat
exchanger coils in ground water systems may, over a period
of time, lose heat exchange capabilities due to a buildup
of mineral deposits inside. These can be cleaned, but only
by a qualified service mechanic, as special solutions and
pumping equipment are required. Hot water generator coils
Material
Copper
90/10 Cupro-Nickel
316 Stainless Steel
pH
Acidity/Alkalinity
7- 9
7 - 9
7 - 9
Scaling
Calcium and Magnesium Carbonate
(Total Hardness) less than 350 ppm
(Total Hardness) less than 350 ppm
(Total Hardness) less than 350 ppm
Hydrogen Sulfide
Less than .5 ppm (rotten egg smell
appears at 0.5 PPM)
10 - 50 ppm
Less than 1 ppm
Sulfates
Less than 125 ppm
Less than 125 ppm
Less than 200 ppm
Chlorine
Less than .5 ppm
Less than .5 ppm
Less than .5 ppm
Chlorides
Less than 20 ppm
Less than125 ppm
Less than 300 ppm
Carbon Dioxide
Less than 50 ppm
10 - 50 ppm
10- 50 ppm
Ammonia
Less than 2 ppm
Less than 2 ppm
Less than 20 ppm
Ammonia Chloride
Less than .5 ppm
Less than .5 ppm
Less than .5 ppm
Ammonia Nitrate
Less than .5 ppm
Less than .5 ppm
Less than .5 ppm
Ammonia Hydroxide
Less than .5 ppm
Less than .5 ppm
Less than .5 ppm
Ammonia Sulfate
Less than .5 ppm
Less than .5 ppm
Less than .5 ppm
Total Dissolved Solids (TDS)
Less than 1000 ppm
1000-1500 ppm
1000-1500 ppm
LSI Index
+0.5 to -.05
+0.5 to -.05
Iron, Fe
2
+ (Ferrous)
Bacterial Iron Potential
< .2 ppm
< .2 ppm
< .2 ppm
Iron Oxide
Less than 1 ppm. Above this level
deposition will occur.
Less than 1 ppm. Above this level
deposition will occur.
Less than 1 ppm. Above this level
deposition will occur.
Suspended Solids
Less than 10 ppm and filtered for max of
600 micron size
Less than 10 ppm and filtered for max of
600 micron size
Less than 10 ppm and filtered for max of
600 micron size
Threshold Velocity (Fresh Water)
< 6 ft/sec
< 6 ft/sec
< 6 ft/sec
Grains = PPM divided by 17 • mg/l is equivalent to PPM
2/8/08
Corrosion
Erosion
Iron Fouling
(Biological Growth)
+0.5 to -.05
can likewise become scaled and possibly plugged. In areas
with extremely hard water, the owner should be informed
that the heat exchanger may require occasional flushing.
Units with cupronickel heat exchangers are recommended
for open loop applications due to the increased resistance
to build-up and corrosion, along with reduced wear caused
by acid cleaning. Failure to adhere to the guidelines in the
water quality table could result in loss of warranty.
Freeze Detection Limit (Water Flow)
Set the freeze detection limit switch SW2 #2 to “Loop” on
the printed circuit board for applications using a closed
loop antifreeze solution. On applications using an open
loop/ground water system, set to “Well” (the factory
setting). If using closed loop and no antifreeze solution
leave in “Well” position (the factory setting).
Condensate Drain
The internal condensate drain assembly consists of a drain
tube, which is attached to the drain pan, a 3/4 in. PVC
female adapter, and a flexible connecting hose. The female
adapter may exit either the front or the side of the vertical
cabinet. The adapter will be glued to the field-installed
PVC condensate piping. A condensate hose is inside all
cabinets as a trapping loop; therefore, an external trap is
not necessary.
General Installation Information cont.
Air Coil
To obtain maximum performance the air coil should be
cleaned before start up. A 10% solution of dishwasher
detergent and water is recommended for both sides of coil;
a thorough water rinse should follow.
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