tekmar 406 House Control Installation - Manual (Page 26)

© 2012 406_D - 11/12 26 of 48
Item Field Range Description
70 to 200°F
(21 to 93.5°C)
Default = 180°F
(82°C)
Access: Installer
Set to:
BOILER DESIGN SECTION D
The supply water temperature required for the boiler 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)
Note: This item is only available when a boil water temperature has been
selected.
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OFF, 80 to 180°F
(26.5 to 82°C)
Default = 140°F
(60°C) if BOIL
TYPE = 1STG
Default = OFF if BOIL
TYPE = 0-10, 4-20,
EMS1, or EMS2
Access: Installer
Set to:
BOILER MINIMUM SECTION D
The minimum allowed boiler target temperature and temperature at which the
mixing device begins to provide boiler protection against cold return water
temperatures. The variable speed pump operates at low percent output when the
boiler supply temperature drops below this setting. Recommendations:
Condensing gas or electric boiler = OFF
Non-condensing gas and oil boilers = 140°F (60°C)
Note: This item is only available when a boil water temperature has been selected.
If Boiler Type is 0-10 V (dc), 4-20 mA, EMS1 or EMS2, this setting is defaulted
to Off. The mixing device does not provide boiler protection when Boiler Type is
set to EMS1 or EMS2.
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10 to 230 seconds
Default = 30
seconds
Access: Installer
Set to:
BOILER MOTOR SPEED SECTION G
Time in seconds from full-close to full-open of modulating boiler actuator.
Note: Item is only available when BOIL TYPE is set to 0-10 or 4-20.
0 to 50%
Default = 0%
Access: Installer
Set to:
BOILER MINIMUM MODULATION SECTION G
Minimum physical output to modulating boiler.
Note: Item is only available when BOIL TYPE is set to 0-10 or 4-20.
0:00 to 3:00
minutes
Default = 0:10 minutes
Access: Installer
Set to:
BOILER MODULATION DELAY SECTION G
Modulating boiler stays at MIN MOD output for this length of time before beginning
to modulate to control temperature.
Note: Item is only available when BOIL TYPE is set to 0-10 or 4-20.
40 to 100°F
(4.5 to 38°C)
Default = 70°F
(21°C)
Access: User
Set to:
WWSD OCCUPIED SECTION D
The system’s Warm Weather Shut Down temperature during Occupied periods
or when a schedule is not used.
40 to 100°F
(4.5 to 38°C)
Default = 60°F
(15.5°C)
Access: User
Set to:
WWSD UNOCCUPIED SECTION D
The system’s Warm Weather Shut Down temperature during Unoccupied
periods.
Note: Item is only available when a schedule or User Switch is present on the
system.
10 to 180 minutes
Default = 30 minutes
Access: Installer
Set to:
INTERLOCK SECTION C
Set the minimum delay between the heat pump switching from heat to cool or
cool to heat.
Note: The interlock delay only applies when the MODE is set to AUTO.
Adjust Menu (3 of 6)