tekmar 664 Snow Detector & Melting Control Installation User Manual
Page 24
24 of 36
©
2009 D
664
-
07/09
E1
Melt 2 The desired slab surface temperature of
zone 2 while in the Melting mode.
Zone 2 = AUTO
32 to 95°F
(0 to 35°C)
Default = 36°F (2°C)
F1
Idle 2 The desired slab surface temperature of
zone 2 while in the Idling Mode.
Zone 2 = AUTO, PRIORITY = NONE
OFF, 20 to 95°F
(OFF, -7 to 35°C)
Default = OFF
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)
E1
Priority Selects priority of zone 1 over zone 2.
ΔT MAX = OFF
NONE, COND, FULL
Default = COND
E1
Priority Selects priority of zone 1 over zone 2.
ΔT MAX ≠ OFF
COND, FULL
Default = COND
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)
A
Mixing The type of mixing device that is to be used.
FLOT (Floating),
VAR (Variable Speed),
4 – 20 (4-20 mA)
Default = VAR
A
Motor Speed The time the actuating motor
requires to operate from fully closed to fully open.
MIXING = FLOT or MIXING = 4 – 20
30 to 230 seconds
Default = 150 sec
C
Boiler Sensor The location of the boiler sensor.
This affects operation of the Boiler contact.
SUP, RET, NONE
Default = SUP
Item Field
Access
Level
Description
Range
Actual
Setting
Section
LT
D
USER
INS
T
AD
V
664 Adjust Menu (2 of 3)