Herrmidifier Herrtronic AD, Owner'S Manual

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Herrtronic AD Series Installation, Operation and Service Manual
Supply Power
1. Insure that adequate service is available to carry
125% of rated amps level. (refer to chart below).
2. Terminals are provided in the lower right hand comer
of
the electrical compartment for field connection of the
main
power supply legs (single or three phase) and a ground
wire
.
Distribution Method
Each steam cylinder requires at least one outlet for
steam via a duct distributor pipe or Room Distribution
Unit
.
Steam Distributor Pipes
Herrmidifier supplies stainless steel duct distributor
pipe(s) for use in injecting pure steam into duct. Refer to
Figures 5, 6 or 7 for proper placement. A minimum of 3'
downstream clearance before any bends or obstructions
is recommended for most applications, however differing
psychrometric conditions may require a greater or lesser
steam absorption distance. Consult your representative
or the factory if you have any questions. The duct
distributor pipes have a built-in pitch to allow condensate
drainage back into the hose.
The rubber steam hose is
of large diameter and is meant to carry steam up to
the distributor pipe and condensate back to the
steam cylinder for reuse.
Because of this dual purpose
of the steam hose, it must be installed with a minimum
8% pitch back to the Herrtronic AD unit. Since steam
output losses are directly related to the distance from the
humidifier to the steam distributor, it is recommended:
3. Install external overcurrent protection and provide
wiring in accordance with the NEC, state and local
codes.
4. Power supply must be "clean": free of spikes, surges
and sags: +10%, -15% of nominal.
5. Check tightness of all power wiring connection -
Factory wiring: 35-45 in-lbs.
Field wiring: 35-275 in-lbs.
See Power Distribution Blocks for Exact Specification
a. Mount the humidifier as close as possible to the
steam distribution pipe.
b. Use 1 1/2" I.D. insulated copper pipe if the length of
run exceeds twenty feet.
c. Keep the total run of copper pipe under thirty feet
since the actual capacity of the humidifier can be
reduced by up to 15% and the increased static pressure
may cause problems with the fill
tee.
If possible, mount the steam distributor pipe to avoid low
spots in the steam hose. If you must, mount the steam
distributor pipe below the level of the humidifier, or if low
spots in the steam line are unavoidable, a condensate
separator is available from the factory (Part #EST-250)
(see Figure 8).
If it is necessary to split the output of one steam outlet
into more than one steam pipe, steam hose "Y"
connector assemblies are available from the factory
(Part #EST- 255). In this case, both ducts must be the
same static pressure for proper distribution.
• Kg/Hr = .454 x lbs./hr.
• Kw =.33 x lbs./hr.
• Amps (lPh) = Kw x
1000 ÷ Volt.
• Amps (3Ph) = Kw x
1000 ÷ (Volts x 1.732) •
Min Circuit Ampacity =
1.25 Rated Electrode
Amps (for each RDU,
add .5 Amps @ 208/
240v or add .25 Amps
@ 480v).
STEAM OUTPUT
Lbs./Hr. 5 10 15 20 25 30 40 50 60 80 100 125
Kg./Hr. 2.3 4.5 6.8 9.1 11.4 13.6 18.2 22.7 27.2 36.3 45.4 56.8
INPUT KW
1.7 3.3 5.0 6.6 8.3 10.0 13.3 16.7 20.0 26.6 33.3 41.2
Volts/Ph: AMPS
208/1 8.0 16.0 24.0 32.0 40.0 48.1 64.1 80.1
240/1 6.9 13.8 20.8 27.6 34.7 41.7 55.6 69.4
208/3 4.6 9.2 13.9 18.5 23.1 27.8 37.0 46.3 55.5 74.0 92.6 115.7
240/3 4.0 8.0 12.0 16.0 20.0 24.1 32.1 40.1 48.1 64.2 80.2 100.2
480/3 2.0 4.0 6.0 8.0 10.0 12.0 16.0 20.0 24.0 32.1 40.1 50.1
600/3 1.6 3.2 4.8 6.4 8.0 9.6 12.8 16.0 19.2 25.6 32.1 40.1
Steam Output / Electrical Characteristics
WARNING!
Do not mount the standard steam distribution pipe in a
vertical downflow duct. The combination of static
pressure and velocity pressure may be more than the
cylinder and/or the fill tee can handle. A special steam
distributor must be ordered when installing in a vertical
downflow duct
NOTE
Steam holes are located within 2” of mounting plate
and closed end of distribution pipe. Use extreme
caution when applying to internally lined duct. Consult
factory if special hole locations are required.