Orion System VCM-X/RNE Operator Interfaces - Manual (Page 47)

VCM-X / RNE Operator Interfaces Technical Guide
VCM-X / RNE SETPOINTS
47
Setpoint Screen #36 - Heat Wheel Defrost
VCM-X / RNE Spts
Heat Wheel Defrost
Setpoint: 30ºF
The unit will go into Heat Wheel Defrost Mode when the Outdoor Air
is below this setpoint.
Description Minimum Default Maximum
Heat Wheel Defrost 0ºF 30ºF 50ºF
Setpoint Screen #37 - Internal Schedule
Optimal Start Soak Multiplier
VCM-X / RNE Spts
Internal Schedule
Optimal Start Soak
Multiplier: 0.0
The Internal Schedule Optimal Start Soak Multiplier Setpoint is a multi-
plier that if set to a number greater than 0 will be used as a multiplier for
calculating the Optimal Start Time for the HVAC unit. This multiplier
is only applied if the unit has been off for more than 24 hours. See the
VCM-X Controller Technical Guide, VCM-X Modular E-BUS Controller
Technical Guide, or RNE Controller Technical Guide for more detailed
information regarding the Optimal Start. This multiplier is only applied
if you are using the VCM-X / RNE Internal Schedule.
Description Minimum Default Maximum
Internal Schedule Optimal
Start Soak Multiplier
0.0 0.0 5.0
Setpoint Screen #38 - Trend Log Interval
VCM-X / RNE Spts
Trend Log
Interval: 15 MIN
An internal Trend Log is constantly updated at a rate equal to this value.
Description Minimum Default Maximum
Trend Log Interval 1 Min 15 Min 60 Min
VCM-X / RNE Setpoint Screens
Setpoint Screen #39 - Sensor Calibration for
SPC & SAT
VCM-X / RNE Spts
Sensor Calibration
SPC: XX.Xº 0.00º
SAT: XX.Xº 0.00º
If the Space or Supply Air Temperature Sensors are reading incorrectly,
you can use this option to enter an offset temperature to adjust the Sen-
sor’s Temperature. Enter a positive Sensor Calibration value to raise the
Space Temperature and/or Supply Air Temperature Sensor reading and
a negative value to lower the Sensor reading.
Description Minimum Default Maximum
Sensor Calibration SPC -100.0ºF 0.0ºF +100.0ºF
Sensor Calibration SAT -100.0ºF 0.0ºF +100.0ºF
Setpoint Screen #40 - Sensor Calibration for
RAT & OAT
VCM-X / RNE Spts
Sensor Calibration
RAT: XX.Xº 0.00º
OAT: XX.Xº 0.00º
If the Return Air or Outdoor Air Temperature Sensors are reading incor-
rectly, you can use this option to enter an offset temperature to adjust
the Sensor’s Temperature. Enter a positive Sensor Calibration value to
raise the Return Air Temperature and/or Outdoor Air Temperature Sensor
reading and a negative value to lower the Sensor reading.
Description Minimum Default Maximum
Sensor Calibration RAT -100.0ºF 0.0ºF +100.0ºF
Sensor Calibration OAT -100.0ºF 0.0ºF +100.0ºF
Setpoint Screen #41 - Sensor Calibration for
COIL
VCM-X / RNE Spts
Sensor Calibration
COIL: XX.Xº 0.00º
If the Coil Temperature reading is too high, enter a negative calibration
offset to decrease the reading. If it is too low, enter a positive value to
increase the reading.
Description Minimum Default Maximum
Sensor Calibration COIL -30.0ºF 0.0ºF +30.0ºF