Quest Controls 600 User Manual

Rev 3.1 01/11/23 - 16 - Model 600 User Guide
3.5.3 Economizer Menu
Econ Option
Available Choices
Description
OSA L2 Setpoint
45-90 (65)
Quest mode – OSA above L2 disables econ mode.
OSA L1 Setpoint
45-90 (65)
Quest mode – OSA between L1 and L2 will enable both
HVAC units in Econ mode (lead/lag mode only). OSA
below L1 will enable the lead unit first and then if the
inside temp rises will enable the lag unit in econ mode.
OSA Fload Maxchg
0-10 (5)
The maximum amount L1 and L2 can change up or
down to automatically adjust based on success of econ
mode.
OSA Dwell Time
60-900 (60)
How long to wait for the OSA temp reading to be
above/below L1 and L2 to determine econ mode
operation.
RH Disable SPT
0-100 (0)
The system will disable econ mode when the humidity
is greater than this value. A value of 0 disables this
function.
3.5.4 Alarm Menu
Alarm Option
Available Choices
Description
Hitemp2 Alarm SP
70-140 (90)
Alarm threshold for the High Temp alarm level 2
output. Level 2 alarm will cause a lead switch.
Hitemp1 Alarm SP
70-140 (85)
Alarm threshold for the High Temp alarm level 1
output.
Lowtemp Alarm SP
20-60 (50)
Alarm threshold for the low temperature alarm output.
Hihumid Alarm SP
0-100 (0)
Alarm threshold for a high humidity alarm condition.
This alarm is available on display and Modbus only. A
value of 0 = disable.
Lockout Alarm
Disable, Normally
Closed, Normally
Open
HVAC lockout alarm. Select option based on how
lockout alarm inputs are wired. Disable prevents the
alarm condition from functioning.
Smoke Alarm
Disable, Normally
Closed, Normally
Open
Smoke alarm input. Select option based on the smoke
detector input is wired. Disable prevents the alarm
condition from functioning.
Hydrogen Alarm
Disable, Normally
Closed, Normally
Open
Hydrogen Sensor input. Select option based on how the
input is wired. Disable prevents the alarm condition
from functioning. This alarm is available on display and
Modbus only.
Gen Run Alarm
Disable, Normally
Closed, Normally
Open
Generator Run input. Select option based on how the
input is wired. Disable prevents the alarm condition
from functioning. This alarm is available on display and
Modbus only.

Quest Controls 600 Specifications

General

Brand	Quest Controls
Model	600
Category	Controller
Language	English