Boiler Control Instruction & Operation Manual, Rev 1
Page
58
of 64
Specifications
General
Control
Dimensions:
9 21/64
” x 6 21/64”
Electrical Ratings:
•
Operating voltage:
24Vac (20 to 30 Vac, 60 Hz ±5%)
•
Pump Relay Outputs:
120 Vac: 44.4 ALR, 7.4 Amps run
•
Alarm Relay Output:
120 Vac: 6.3 ALR, 0.63 Amps run
Operating Temperature:
-4°F to 150°F (-20°C to 66°C)
Storage Temperature:
-40°F to 150°F (-40°C to 66°C).
Humidity:
Up to 95% Relative Humidity,
noncondensing at 104°F for 14 days. Condensing
moisture may cause safety shutdown.
Vibration:
to 0.5g Continuous (V2 level)
Sensors:
All temperature sensors 10k NTC
NTC Sensors (temperature versus resistance).
Display
Dimensions:
•
Bezel: 9-7/16
” x 6-21/32” x 1-27/32”
•
Panel Cutout: 8
” x 5-1/2”
Electrical Ratings:
•
Input voltage: 24 Vac
（
-25% ~+25%
)
•
Input Current: 500 mA max
•
Power Consumption:
12W
•
Backup Battery
3V Lithium Battery CR2032, about 3 years
operating life with power removed. Battery
used to maintain time and date clock, not
display memory.
Operating Temperature:
-4ºF ~ 158ºF (-20ºC ~ 70ºC)
Storage/Shipping Temperature:
-22°F ~ 176ºF (-30ºC ~ 80ºC)
Humidity:
•
10% ~ 90% RH [0 ~ 40°C], 10% ~ 55% RH
[41 ~ 50°C]
Vibration:
•
IEC 61131-2 Compliant
•
5Hz
≦
f
＜
9Hz = Continuous: 1.75mm /
Occasional: 3.5mm
•
9Hz
≦
f
≦
150Hz = Continuous: 0.5g /
Occasional: 1.0g
•
X, Y, Z directions for 10 times
Enclosure:
NEMA 4/IP65.
Temp
°
C (
°
F)
10K NTC (kOhm)
Beta of 3950
30 (-22)
176.08
20 (-4)
96.81
10 (14)
55.25
0 (32)
32.64
10 (50)
19.9
20 (68)
12.49
25 (77)
10
30 (86)
8.06
40 (104)
5.32
50 (122)
3.6
60 (140)
2.49
70 (158)
1.75
80 (176)
1.26
90 (194)
0.92
100 (212)
0.68
110 (230)
0.51
120 (248)
0.39