36 OM Centrif Micro ΙΙ-5
WATER Setpoints
Figure 21, WATER Setpoint Screen
Table 19, WATER Setpoint Settings
Description N0. Default Range
Pass
word
Comments
Templifier Source
Water Reset
(Delta-T)
11
55°F 50 to 100 °F
T
Resets the condenser leaving temperature
downward if source leaving drops under the
delta-T. Setting is a function of comp selection.
Templifier Source
No Start
10
70°F 50 to 100°F
T
Entering source water temperature below which
the unit cannot start.
Max Reset Delta
T
9
0.0°F 0.0 to 20.0 °F
M
Set the maximum reset that can occur, in
degrees F if LWT reset is selected or max reset
at 20 mA input if 4-20 mA is selected in SP7
Start Reset Delta
T
8
10. 0°F 0.0 to 20.0 °F
M
Sets the evap delta-T above which Return reset
begins.
LWT Reset Type 7 NONE
NONE, RETURN,
4-20mA
M
Select reset type, NONE for none, RETURN for
reseting chilled water based on the entering
water, or 4-20 mA for external analog signal
Stage Delta T 6 1
0.5 to 5°F
M
Sets the temperature the leaving water must be
below setpoint for next compressor to start.
Startup Delta T 5
3.0°F 0.0 to 10.0 °F
M Degrees above setpoint for compressor to start.
Shutdown Delta T 4
3.0°F 0.0 to 3.0 °F
M Degrees below setpoint for compressor to stop.
Heat LWT 1
135. 0°F 100.0 to 150.0 °F
M
Condenser LWT setpoint in HEAT (Templifier)
mode
Ice LWT 2
25. 0°F 15.0 to 35.0 °F
M Evaporator LWT setpoint in the ICE mode
Cool LWT 3
44. 0°F 35.0 to 80.0 °F
M Evaporator LWT setpoint in COOL mode
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