Startup Settings; Program Change Settings; Startup Sequence; Control Mode - heat-timer SQ-Elite-8S Installation And Operation Instruction Manual

14 Heat-Timer Corp.

startup settIngs

Can be accessed by holding down the Menu button for over three seconds.

prograM cHange settIngs

To be able to change the SQ-Elite settings the Program/Run Switch must be set to Program.
The switch is located under the Enclosure Wiring Cover for security. The Enclosure Wiring
Cover can be securely closed using a padlock.

startup seQuence

Hold Button: MENU/<System Startup>
• When powered, the SQ-Elite performs a self-test on its components. After the self-test
diagnostics have been successfully completed, the SQ-Elite will initialize the panel.
• On the first power up, the System Startup screen will appear after the initialization is
complete. If it does not, the SQ-Elite has already been configured.
• The System Startup menu sets the main parameters as the type of sensor, the sequencing mode, and many other parameters
described in this section.
• Before entering the Startup menu, several warnings will alert you to the consequences of making Startup changes.

control Mode

Set Point, EMS 4-20mA
Hold Button: MENU/<System Startup>/..../Control Mode
• Set Point mode does not require an outdoor sensor. If an outdoor sensor is connected
in Set Point mode it will be used only as an Outdoor Cutoff point. That is, to turn the
stages, system, and Comb. Air relays off.
• The EMS 4-20mA option allows the SQ-Elite-8S to receive an external set point from
an EMS/BMS system. This option requires the use of the 4-20mA EMS Interface (HT#
926741-00).
• You must select the 4mA (min) and 20 mA (max) Set Points in the following screens.

sensor type

Pressure 15Psi, 30Psi, 100Psi, 200Psi, 300Psi, 0.25MPa, 0.6Mpa, 1MPa, 1.6MPa,
Vacuum 3in, 762mm
Hold Button: MENU/<System Startup>/..../Sensor Type
• The SQ-Elite-8S can accept a variety of pressure or vacuum transducers. This option
will allow the SQ-Elite-8S to utilize the proper sensor data based on the Sensor Type
selected.

dIsplay standard

English, metric
Hold Button: MENU/<System Startup>/..../Display Standard
• The SQ-Elite-8S can control boilers in steam heating environment. It gives the user the
capability of displaying pressure and temperature information in either of the standards.

settIng tHe 4Ma and 20Ma set poInts (avaIlable In 4-20Ma eMs only)

Hold Button: MENU/<System Startup>/..../EMS 4mA Set Point/EMS 20mA Set Point
• If EMS 4-20mA is selected from the Control Mode Menu as the pressure set point
source, the user must purchase a Heat-Timer 4-20mA EMS Interface (HT# 926741-00) to
accept the 4-20mA signal and transmit it to the SQ-Elite-8S.
• In addition, the user will need to set the pressure range parameters in the Startup Menu.
First, set the pressure reading at 4mA, then the set it at 20mA.
• The SQ-Elite-8S will only read the pressure range between 2.4mA and 21.6mA based on
the 4mA and 20mA settings entered.
• To shutdown the control using the EMS signal, send a signal that is above or below the
2-22mA range. The display will show the message "Shutdown by EMS" and all
stages will de-energize. However, the System and Comb. Air relays will continue for the
Run-On delay period then de-energize.
A good practice after performing any Startup menu
modifications is to check all operating settings and
adjustments to match the new settings.
Default: Set Point
Default: 30 psi
Default: English
alert
PROGRAM
ARE YOU SURE?
No
Yes
BACK
--- CONTROL MODE ---
Set Point
EMS 4-20mA
BACK
--- SENSOR TYPE ---
Pressure 15psi
Pressure 30psi
Pressure 100psi
Pressure 200psi
Pressure 300psi
Pressure 0.250MPa
Pressure 0.600MPa
Pressure 1.000MPa
Pressure 1.600MPa
Vacuum 3in/762mm
BACK
-DISPLAY STANDARD-
English
Metric
BACK
EMS 4mA SET POINT
0psi
[
BACK
EMS 20mA SET POINT
100psi
[
BACK
RUN
SAVE
SAVE
SAVE
SAVE
]
SAVE
]
SAVE