tekmar 403 House Control Installation - Manual (Page 16)

© 2011 D 403 - 07/11 16 of 32
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 SECTION B, C
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 SECTION B
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 SECTION B
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.
ADJUST
sec
30 to 230 seconds
Default = 105 seconds
Installer
MIX MOTOR SECTION B
The time that the mix actuating motor requires to
operate from fully closed to fully open.
tekmar actuating motors = 105 sec.
Refer to actuating motor for correct setting.
Note: This item is only available when the Mix Type
is set to FLOT (floating action motor), 0-10, or 4-20.
EMS2,
EMS1,
4-20
0-10,
2STG,
1STG
Default = 1STG
Installer
BOILER TYPE SECTION F
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.
AD
J
U
S
T
M
E
N
U
Adjust Menu (1 of 3)
The Adjust menu items are the programmable settings used to operate
the mechanical equipment.
Continued on next page.