34
SETPOINTS
MAT SET
53F
38 to 65 F; increment
b
y 1
SUPPLY AIR SETPOINT
Setpoint determines where the economizer will modulate the OA damper
to maintain the mixed air temperature.
LOW T LOCK
32F
-45 to 80 F;
increment
b
y 1
COMPRESSOR LOW TEMPERATURE LOCKOUT
Setpoint determines outdoor temperature when the mechanical cooling
cannot
b
e turned on. Commonly referred to as the Compressor lockout.
DRYBLB SET
63F
48 to 80 F; increment
b
y 1
OA DRY BULB TEMPERATURE CHANGEOVER SETPOINT
Setpoint determines where the economizer will assume outdoor air tem-
perature is good for free cooling; e.g.; at 63 F unit will economize at 62 F
and
b
elow and not economize at 64 F and a
b
ove. There is a 2 F dead-
b
and.
ENTH CURVE
ES3
ES1,ES2,ES3,ES4, or
ES5
ENTHALPY CHANGEOVER CURVE
Enthalpy
b
oundary “curves” for economizing using single enthalpy.
DCV SET
1100ppm
500 to 2000 ppm;
increment
b
y 100
DEMAND CONTROLLED VENTILATION
Displays only if CO
2
sensor is connected. Setpoint for Demand Controlled
Ventilation of space. A
b
ove the setpoint, the OA dampers will modulate
open to
b
ring in additional OA to maintain a space ppm level
b
elow the set-
point.
MIN POS
2.8 V
2 to 10 Vdc
VENTILATION MINIMUM POSITION
Displays ONLY if a CO
2
sensor is NOT connected.
VENTMAX
With 2-speed fan units VENT-
MAX L (low speed fan) and
VENTMAX H (high speed fan)
settings are re
q
uired
2.8 V
2 to 10 Vdc
DCV MAXIMUM DAMPER POSITION
Displays only if a CO
2
sensor is connected. Used for V
b
z (ventilation max
cfm) setpoint. Displays 2 to 10 V if <3 sensors (RA,OA, and MA). In AUTO
mode dampers controlled
b
y CFM.
100 to 9990 cfm;
increment
b
y 10
If OA, MA, RA, and CO
2
sensors are connected and DCV CAL ENABLE is
set to AUTO mode, the OA dampers are controlled
b
y CFM and displays
from 100 to 9990 CFM.
2 to 10 Vdc
With 2-speed fan units VENT L (low speed fan) and MIN POS H (high
speed fan) settings are re
q
uired. Default for VENTMAX L is 3.2V and
VENTMAX H is 2.8V
VENTMIN
With 2-speed
fan units VENTMIN L (low
speed fan) and VENTMIN
H (high speed fan) set
2.25 V
2 to 10 Vdc or 100 to
9990 cfm increment
b
y 10
DCV MINIMUM DAMPER POSITION
Displays only if a CO
2
sensor is connected. Used for Ba (ventilation min
cfm) setpoint. Displays 2 to 10 V if <3 sensors (RA, OA, and MA). Va is
only set if DCV is used. This is the ventilation for less than maximum occu-
pancy of the space. In AUTO mode dampers controlled
b
y CFM.
100 to 9990 cfm;
increment
b
y 10
If OA, MA, RA, and CO
2
sensors are connected and DCV CAL ENABLE is
set to AUTO mode, the OA dampers are controlled
b
y CFM and displays
from 100 to 9990 CFM.
2 to 10 Vdc
With 2-speed fan units VENTMIN L (low speed fan) and MIN POS H (high
speed fan) settings are re
q
uired. Default for VENTMIN L is 3.2V and
VENTMIN H is 2.8V
ERV OAT SP
††
32°F
0 to 50 F; increment
b
y 1
ENERGY RECOVERY VENTILATOR UNIT OUTDOOR AIR TEMPERA-
TURE SETPOINT
Only when AUX1 O = ERV
EXH1 SET
With 2-speed fan units Exh1 L
(low speed fan) and Exh1 H
(high speed fan) settings are
re
q
uired
50%
0 to 100%;increment
b
y 1
EXHAUST FAN STAGE 1 SETPOINT
Setpoint for OA damper position when exhaust fan 1 is powered
b
y the
economizer.
With 2-speed fan units Exh1 L (low speed fan) and Exh1 H (high speed
fan) settings are re
q
uired. Default for Exh1 L is 65% and Exh1 H is 50%
EXH2 SET
With 2-speed fan units Exh2 L
(low speed fan) and Exh2 H
(high speed fan) settings are
re
q
uired
75%
0 to 100%; increment
b
y 1
EXHAUST FAN STAGE 2 SETPOINT
Setpoint for OA damper position when exhaust fan 2 is powered
b
y the
economizer. Only used when AUX1 O is set to EHX2.
With 2-speed fan units Exh2 L (low speed fan) and Exh2 H (high speed
fan) settings are re
q
uired. Default for Exh2 L is 80% and Exh2 H is 75%
Table 8 — Menu Structure* (cont)
MENU
PARAMETER
PARAMETER
DEFAULT
VALUE
PARAMETER
RANGE AND
INCREMENT
†
NOTES
Содержание 50KC*A/B0 Series
Страница 4: ...4 Fig 2 Dimensional Drawing...
Страница 5: ...5 Fig 2 Unit Dimensional Drawing cont...
Страница 22: ...22 Fig 38 Electro Mechanical Control Wiring Diagram...
Страница 23: ...23 Fig 39 Electro Mechanical Control Wiring Diagram with Humidi MiZer System...
Страница 24: ...24 Fig 40 Electro Mechanical Power Wiring...
Страница 25: ...25 Fig 41 PremierLink Wiring Schematic...
Страница 26: ...26 Fig 42 PremierLink Wiring Schematic with Humidi MiZer System...
Страница 27: ...27 Fig 43 RTU Open System Control Wiring Diagram...
Страница 28: ...28 Fig 44 RTU Open System Control Wiring Diagram with Humidi MiZer System...
Страница 43: ...43 Fig 57 TXV Metering Device Position in Reheat Coil Typical Diagram for Sizes 04 06 TXV...
Страница 44: ......
Страница 45: ......