tekmar 403 House Control Quick Start - Manual (Page 4)

4 Product design, software and literature are Copyright ©2014 by
tekmar Control Systems Ltd., A Watts Water Technologies Company All specifications are subject to change without notice.
Printed in Canada. 403_Q - 02/14.
tekmar Control Systems Ltd., A Watts Water Technologies Company. Head Offi ce: 5100 Silver Star Road,
Vernon, B.C. Canada V1B 3K4, 250-545-7749, Fax. 250-545-0650 Web Site: www.tekmarControls.com
Press menu button until the Adjust Menu is displayed. Press item button
to locate the desired setting.
Item Field Range Access Description Set to
ADJUST -60 to 45°F
(-51.0 to 7.0°C)
Default = 10°F
(-12.0°C)
Installer
OUTDOOR DESIGN
Typically set to the temperature of the coldest day of
the year. The outdoor air temperature used in the boiler
and mixing heating curves that determine the boiler
target and the mix target temperatures.
ADJUST 70 to 180°F
(21.0 to 82.0°C)
Default = 120°F
(49.0°C)
Installer
MIX DESIGN
The supply water temperature required for the mix
zones to heat the building on the typical coldest day
of the year. Recommendations:
High mass radiant floor = 120°F (50°C)
Low mass radiant floor = 140°F (60°C)
Fancoil or air handling unit = 190°F (90°C)
Copper fin-tube convector = 180°F (80°C)
Radiators = 160°F (70°C)
Low profile baseboard = 150°F (65°C)
ADJUST
4-20 mA,
0-10 V (dc)
FLOT,
VAR
Default = VAR
Installer
MIX TYPE
Select the type of mixing device.
VAR = Variable speed injection pump
FLOT = Floating action motor for mixing valves
0-10 = 0 -10 V (dc) analog signal for mixing valves
4-20 = 4-20 mA analog signal for mixing valves
Note: 0-10 and 4-20 are only available when Boiler
Type = 1 Stage or 2 Stage.
EMS2,
EMS1,
4-20
0-10,
2STG,
1STG
Default = 1STG
Installer
BOILER TYPE
The type of boiler connected to the control.
1STG = single one-stage on-off boiler
2STG = single two-stage on-off boiler
0-10 = 0-10 V (dc) modulating boiler
4-20 = 4-20 mA modulating boiler
EMS1 = tekmar boiler staging controls
EMS2 = Viessmann modulating boilers with
OpenTherm
Note: Only 1STG and 2STG are available when the
Mix Type is set to 0-10 V (dc) or 4-20 mA.
11. Critical Settings