Van Air Systems High Dew Point Alarm Box User Manual
High dew point alarm box
PAGE 1
INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS
FOR
HIGH DEW POINT ALARM BOX
P/N 46-2064
SPECIFICATIONS AND DIMENSIONS
SECTION 1
WEIGHT ................ 25 LBS
DIMENSIONS ........ see Figure 2A
MOUNTING .......... see Figure 2A
ENCLOSURE
• Enamel painted Steel Enclosure
• Nema 4 Rated
• Continuous Hinged
DEW POINT CONTROLLER (humistat)
RANGE OF CONTROL ................... 4% to 98% Relative Humidity
(NOTE: Set plug and sensor determine actual operating range)
INPUT POWER ................................. 115V-1PH-56/60Hz
OUTPUT MODE ............................... SPDT. relay, 1 amperes,
noninductive maximum
DEW POINT SENSOR (hygrosensor)
RANGE OF CONTROL ................... 1.4% to 6% RH @ 80
o
F
TYPE ................................................. DUNMORE-TYPE lithium
chloride element.
SET POINT PLUG
SET POINT ....................................... approx. 0
O
F Dew point @ 80
o
F
DEW POINT SAMPLE CELL
• Sample line isolation needle valve
• Sample cell bleed orifice fitting
MAXIMUM SAMPLE AIR PRESSURE ............. 150 PSIG
SAMPLE LINE CONNECTION SIZE ............... 1/4" tube fitting
ALARM OUTPUT CONTACT
ELECTRICAL RATING .................... 115V-1PH-60Hz, 10 ampere
OUTPUT MODE ............................... Normally open contact,
latching (push-button must be pressed to reset)
LIGHT & RESET PUSH-BUTTON
• High Dew Point Light (red)
• Alarm Reset Push-button
FEBRUARY 2006
32-0283
FIGURE 2A DIMENSIONS