Infloor Radiant Trak - Manual (Page 4)

503 Gregg Dr., Buena Vista, Co 81211 phone 800.608.0562 fax 719.395.3555
Step 5.
Control Strategy
We strongly recommend using a mixing valve reset control
with constant circulation for maximum comfort and the
best economy of operation. A mixing valve is the only way
to accurately deliver the precise water temperature to your
radiant heating system.
There are two different types of mixing valve controls
available, indoor /outdoor and manually fixed. Manually fixed
3 way mixing valve, you set the desired water temperature from
the heat loss calculation.
The electronic control (part # 30005) is more sophisticated
(mostly large radiant systems) and records outdoor
temperature. A supply sensor is mounted on the discharge
side of the system to input delivery water temperature.
This allows the proper regulation of temperature for the
mixing valve.
50
45
40
35
30
25
20
15
10
5
0
70 80 90 100 110 120 130 140 150 160 170 180°F
R=0.25
R=0.5
R=1.0
R=2.0
R=3.0
BTU/h/ft² of FLOOR SP
ACE
AVERAGE WATER TEMPERATURE
TOT
AL
R-V
ALUE of FINISH FLOOR
ABOVE SUBFLOOR
3/8” and 1/2” RADIANT SIDE TRACK
RECOMMENDED OPERATING ZONE
PERFORMANCE CHART
based on 16” joist bay in 9” center tube spacing