tekmar 667 Snow Detector & Melting Control Installation - Manual (Page 21)

21 of 32 © 2009 D 667 - 03/09
Item Field
Access
Level
Description Range
Actual
Setting
Section LT
D
USERINS
T
AD
V
667 Adjust Menu (1 of 2)
B1
Run Time The time for which a zone is operated
once it has reached its melting temperature.
This item cannot be viewed if a Remote
Start / Stop Module 039 has been connected.
0:30 to 17:00 hr,
INF (Infi nity)
Default = 4:00 hr
E1
Add Melt The additional time for which a zone
is operated once the Snow / Ice Sensor 090
becomes dry.
090 is present
0:00 to 6:00 hr
Default = 0:30 hr
D1
Sensitivity Sensitivity of water detection of the
Snow / Ice Sensor 090.
090 is present
AUTO, 20 to 80%
Default = AUTO
E1
Melting The desired slab surface temperature
while in the Melting mode.
32 to 95°F
(0 to 35°C)
Default = 36°F (2°C)
F1
Idling The desired slab surface temperature of
the Idling mode.
OFF, 20 to 95°F
(OFF, -7 to 35°C)
Default = OFF
A
Temporary Idle Time for which the temporary
idle is active. OFF, 0:30 to 40:00 hr
Default = OFF
B
WWSD Warm Weather Shut Down. Slab must
exceed 34°F to enter WWSD.
AUTO, 32 to 95°F
(AUTO, 0 to 36°C)
Default = AUTO
B1
CWCO The Cold Weather Cut Out temperature
for the snow melting system.
OFF, -30 to 50°F
(OFF, -34 to 10°C)
Default = 10°F (-12°C)
A
Mix Maximum The maximum supply water
temperature for the mixing system.
80 to 210°F, OFF
(27 to 99°C, OFF)
Default = 150°F (66°C)
C
Boiler Sensor The location of the boiler sensor.
This affects operation of the Boiler contact. SUP, RET, NONE
Default = SUP
B1
ΔT Maximum The maximum ΔT for the snow
melting system.
10 to 70°F, OFF
(5 to 39°C, OFF)
Default = OFF