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34
STATUS
(cont)
COOL Y2—IN
OFF
ON/OFF
SECOND STAGE COOLING DEMAND (Y2–IN)
Y2–I signal from space thermostat or unitary controller for
second stage cooling.
ON = 24 vac on terminal Y2–I
OFF = 0 vac on terminal Y2–I
COOL Y2—OUT
OFF
ON/OFF
SECOND STAGE COOLING RELAY OUTPUT
Cool Stage 2 Relay Output to mechanical cooling
(Y2–OUT terminal)
MA TEMP
_ _ . _ °F
(or _ _ . _ °C)
–40°F to 150°F
(–40°C to 66°C)
SUPPLY AIR TEMPERATURE, Cooling Mode
Displays value of measured mixed air from MAT sensor.
Displays _ _ . _ F if not connected, short or out of range.
DA TEMP
_ _ . _ °F
(or _ _ . _ °C)
–40°F to 150°F
(–40°C to 66°C)
DISCHARGE AIR TEMPERATURE, after Heating section
Displays when Discharge Air Sylk Bus sensor is connected and
displays measured discharge temperature.
Displays _ _ . _F if sensor sends invalid value, if not connected,
short or out of range.
OA TEMP
_ _ . _ °F
(or _ _ . _ °C)
–40°F to 140°F
(–40°C to 60°C)
OUTSIDE AIR TEMP
Displays measured value of outdoor air temperature.
Displays _ _ . _F if sensor sends invalid value, short or out of
range.
OA HUM
_ _ %
0 to 100%
OUTSIDE AIR RELATIVE HUMIDITY
Displays measured value of outdoor humidity from OA Sylk Bus
sensor.
Displays _ _% if not connected short, or out of range.
RA TEMP
_ _ . _ °F
(or _ _ . _ °C)
0°F to 140°F
(–18°C to 60°C)
RETURN AIR TEMPERATURE
Displays measured value of return air temperature from RAT
Sylk Bus sensor.
Displays _ _ . _ F if sensor sends invalid value, if not connected,
short or out of range
RA HUM
_ _ %
0 to 100%
RETURN AIR RELATIVE HUMIDITY
Displays measured value of return air humidity from RA Sylk Bus
sensor.
Displays _ _% if sensor sends invalid value, if not connected,
short or out of range
IN CO2
_ _ _ ppm
0 to 2000 ppm
SPACE/RETURN AIR CO
2
Displays value of measured CO
2
from CO
2
sensor. Invalid if not
connected, short or out of range. May be adjusted in Advanced
menu by Zero offset and Span.
DCV STATUS
N/A
ON/OFF
DEMAND CONTROLLED VENTILATION STATUS
Displays ON if above set point and OFF if below set point, and
ONLY if a CO
2
sensor is connected.
DAMPER OUT
2.0v
2.0 to 10.0v
Displays voltage output to the damper actuator.***
ACT POS
N/A
0 to 100%
Displays actual position of actuator
ACT COUNT
N/A
1 to 65,535
Displays number of times actuator has cycled.
1 cycle equals 180 degrees of actuator movement in any
direction.
ACTUATOR
N/A
OK/Alarm (on
Alarm menu)
Displays ERROR if voltage or torque is below actuator range.
EXH1 OUT
OFF
ON/OFF
EXHAUST STAGE 1 RELAY OUTPUT
Displays ON when damper position reaches programmed
percentage set point.
Output of EXH1 terminal:
ON = relay closed
OFF = relay open
EXH2 OUT
OFF
ON/OFF
EXHAUST STAGE 2 RELAY OUTPUT
Output of AUX1 O terminal
Displays ON when damper position reaches programmed
percentage set point.
ON = 24 vac output
OFF = No output
Displays only if AUX1 O = EXH2
ERV
OFF
ON/OFF
ENERGY RECOVERY VENTILATOR
Output of AUX1 O terminal; displays only if AUX1 O = ERV
ON = 24 vac output
OFF = No Output
MECH COOL ON
or
HEAT STAGES ON
0
0, 1, or 2
Displays stage of mechanical cooling that is active.
Displays the stage of heat pump heating that is active.
FAN SPEED
N/A
LOW or HIGH
SUPPLY FAN SPEED
Displays speed setting of fan on a 2-speed fan unit.
W (HEAT IN)
N/A
ON/OFF
HEAT DEMAND STATUS
Displays status of heat demand on a 2-speed fan unit.
Table 12 — W7220 Menu Structure* (cont)
MENU
PARAMETER
PARAMETER
DEFAULT
VALUE
PARAMETER
RANGE AND
INCREMENT
†
EXPANDED PARAMETER NAME
Notes
Summary of Contents for WeatherMaster 48HC14
Page 5: ...5 Fig 2 Unit Dimensional Drawing 14 Size Unit ...
Page 6: ...6 Fig 2 Unit Dimensional Drawing 14 Size Unit cont ...
Page 9: ...9 Fig 4 Roof Curb Details ...
Page 25: ...25 Fig 48 48HC 14 Controls Wiring Diagram 208 230 v 460 v 575 v ...
Page 26: ...26 Fig 49 48HC 14 Power Wiring Diagram 208 230 v 460 v ...
Page 27: ...27 Fig 50 48HC 14 Power Wiring Diagram 575 v ...
Page 29: ...29 Fig 53 Typical Humidi MiZer Adaptive Dehumidification System Humidistat Wiring ...
Page 44: ...44 Fig 62 48HC14 ComfortLink Control Wiring Diagram ...
Page 45: ...45 Fig 63 48HC14 ComfortLink Power Wiring Diagram ...
Page 46: ...46 Fig 64 48HC14 ComfortLink with Humidi MiZer Power Wiring Diagram ...