Tekmar 680 - Setup - Boiler Setup Menu (2 Of 2); Setup - Mixing Setup Menu

27 of 48 © 2016 680_D - 05/16
Description Range Access
EMS HIGH TEMPERATURE
The EMS modulating boiler target temperature that corresponds to 10 V (dc) or 20 mA.
Check the boiler manufacturer’s manual for the maximum EMS target temperature.
Conditions: Available when Boiler Type is set to EMS.
50 to 210°F
(10.0 to 99.0°C)
Default = 210°F
(99.0°C)
Installer
Setup – Boiler Setup Menu (2 of 2)
Setup – Mixing Setup Menu
Description Range Access
MIXING TYPE
Select the mixing output type.
Floating = Floating action mixing output to operate a mixing valve.
Injection = Injection mixing output to operate a wet-rotor, impedance protected pump with a current
less than 2.4 A.
0-10 V = Analog mixing output provides a 0-10 V (dc) signal.
4-20 mA = Analog mixing output provides a 4-20 mA signal.
Conditions: Available when Application Mode is set to Mixing or Boiler+Mix.
Floating,
Injection, 0-10 V,
or 4-20 mA
Default = Floating
Installer
MIX MOTOR SPEED
Set the time that the mixing actuating motor requires to operate from fully closed to fully open.
Check the mixing actuator motor instruction manual for the motor speed time.
Conditions: Available when 1) Application Mode is set to Mixing or Boiler+Mix, and 2) Mixing Type
is set to Floating, 0-10 V, or 4-20 mA.
30 to 230
seconds
Default = 105
seconds
Installer
MIX MAXIMUM
Set the maximum operating temperature of the system supply water temperature.
Conditions: Available when Application Mode is set to Mixing or Boiler+Mix.
80 to 180°F, Off
(26.5 to 82.5°C)
Default = 140°F
(60.0°C)
Installer