tekmar 667 Snow Detector & Melting Control Installation - Manual (Page 22)

22 of 32 © 2009 D 667 - 03/09
C1
Differential The differential for the snow
melting system.
Boil SENS = SUP AUTO, 2 to 42°F
(AUTO, 1 to 23°C)
Default = AUTO
A
C1
Boiler Minimum The minimum temperature
allowed for the boiler target temperature.
Boil SENS ≠ NONE OFF, 80 to 180°F
(OFF, 27 to 82°C)
Default = 140° (60°C)
C1
Fire Delay The time delay the control can expect
between the time the Boiler contact closes and
the boiler fi res.
Boil SENS = SUP
0:00 to 3:00 minutes
Default = 0:10 min
C1
Boiler Mass The thermal mass characteristics of
the boiler that is being used.
Boil SENS = SUP
LITE, MED, HEVY
Default = MED
A
Exercise The frequency with which the control
exercises the pumps and valves that are operated
by the control. 30 to 240 hours,
(in 10 hour steps)
Default = 70 hr
Item Field
Access
Level
Description Range
Actual
Setting
Section LT
D
USERINS
T
AD
V
667 Adjust Menu (2 of 2)
667 Monitor Menu (1 of 3)
Outdoor High The highest recorded outdoor air temperature
since this item was last cleared. -67 to 149°F
(-55 to 65°C)
Outdoor Low The lowest recorded outdoor air temperature
since this item was last cleared. -67 to 149°F
(-55 to 65°C)
Slab High The highest recorded temperature at the slab sensor
since this item was last cleared. -58 to 167°F
(-50 to 75°C)
Item Field Description Range
Access
Level
LT
D
USERINS
T
AD
V