Condair 07 11 MES Owner's Manual

Condair 07 11 MES Owner's Manual
MES Electrode
Steam Humidifiers
Installation, Operation,
Maintenance, Spare Parts, and
Exploded Views Guide
IMPORTANT: Read and save this guide for future reference.
This guide to be left with equipment owner.
Form 07-111
Table of Contents
INSTALLATION
1
RECEIVING EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
PRINCIPAL OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
WATER SUPPLY AND PLUMBING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
WATER CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
START-UP AND OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
CAPACITY ADJUSTMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
CYLINDER REPLACEMENT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
WHEN TO REPLACE THE STEAM CYLINDER
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
REMOVING THE OLD CYLINDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
INSTALLING THE NEW CYLINDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
MAINTENANCE
4
EXTENDED SHUTDOWN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
TROUBLESHOOTING
4
TERMS USED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
STARTING POINT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
DIAGNOSTIC PROCEDURES TROUBLESHOOTING GUIDE. . . . . . . . . . . . . . . . . . . . . . . 7
SOFTWARE REQUIREMENT FOR MODBUS RTU . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
PHYSICAL DIMENSIONS DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
WIRING DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
SPARE PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
EXPLODED VIEWS DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Each item shall have the name or trademark
of manufacturer and model number where it
will be visible for inspection.
INSTALLATION
RECEIVING EQUIPMENT
PRINCIPAL OF OPERATION
1. Check packing slip to ensure ALL material has
been received.
When the humidistat calls, the cylinder fills to
100% of the Full Load Amperage (F.L.A.) or to the top
of the cylinder, whichever comes first. See Figure #1.
2. Inspect box for damage and note on shipping
waybill accordingly.
Figure #1
Operation Schematic
3. After unpacking, inspect unit for damage and if
damage is found, advise shipper as soon as
possible.
CONDENSATE RETURN
(OPTIONAL)
4. Inspect unit (humidifier) to ensure it is the
correct model, phase, and voltage. If any are
incorrect, advise the factory or your local
representative immediately.
FILL
CUP
1
2
3
1” AIR
GAP
STEAM HOSE
ELECTRODES
1. INLET CHAMBER
NOTE: All products are shipped on an F.O.B.
factory basis. Any and all damage, loss, or breakage
claims are to be made directly to the shipping
company.
2. FILL CHAMBER
3. WATER OVERFLOW
CHAMBER (SAFETY DRAIN
IN CASE OF FILL VALVE/
CONTROL BOARD FAILURE)
NORTEC MES Series electrode humidifiers are
the culmination of many years of research and
development in the electrode humidifier industry. This
unit has been built by skilled craftspeople and
thoroughly tested before shipment and should, if the
following instructions are observed, provide many
years of trouble-free operation.
STRAINER
TAP
WATER
SUPPLY
CYLINDER
FILL
VALVE
DRAIN
VALVE
DRAIN
PAN
DRAIN
CONNECTION
DRAIN CANAL
(OPEN TO ATMOSPHERE)
Recommended valve manufacturer: Watts
Regulator (phone 508-688-1811), model #7, size 3/8”
NPT inlet and outlet.
If it reaches 100% F.L.A. the water heats and boils
away to a level giving 80% F.L.A.
An electronic timer uses the rate of amp fall to
determine the water level. The objective is to
concentrate current-carrying minerals in the cylinder
so that a smaller volume of water is required to
produce the rated steam output.
Conditions of Approval – City of Los Angeles
1. An approved spring-loaded double ball check
valve shall be installed on the water inlet to the
humidifier per Section 94.603.4 of LAPC (Los
Angeles Plumbing Code), 2002 edition.
This achieves the longest life for the disposable
cylinder because of minimal electrode coverage and
use of less energy because the high concentration
allows a minimal drain rate.
2. The drain line shall be routed without dips or
sags to terminate 1” or two-pipe size,
whichever is greater, above the flood level rim
of an approved indirect waste receptor per
Section 94.801 of LAPC, 2002 edition.
When 80% F.L.A. is reached, the fill valve will
open refilling cylinder to 100% F.L.A. On occasion,
the drain valve will also come on if water level is too
low, indicating too high a concentration and the
requirement for a dilution of the water in the cylinder.
3. No combustible material shall be placed in the
duct and the air plenum.
4. Condensate removal shall be per the
manufacturer’s instruction and Section 95.310
of LAMC (Los Angeles Mechanical Code),
2002 edition.
If the water reaches top of cylinder before 100%
F.L.A., the fill valve shuts off via the sensor and
fill-boil-fill-boil cycle continues, cycling off the red high
water sensor light until the concentration becomes
high enough to reach 100% F.L.A. The above
described control process will then take over.
-1-
4. For inlet water pressure outside this range, the
factory should be contacted. (See Water
Supply and Plumbing section of this manual.)
WATER SUPPLY AND PLUMBING
1. The fill valve is sized for an extended water
pressure range of 30 to 120 psi.
START-UP AND OPERATION
2. For cases below 30 psi add a pressure boost
pump.
· Ambient temperature location for humidifier:
41ºF - 104ºF (5ºC - 40ºC).
3. For cases above 120 psi, install a pressure
reducing valve in the water feed line to the
unit.
· Relative humidity location for humidifiers:
5% rh - 80% rh.
4. With extremely dirty or muddy water sources,
e.g., some well sources, ensure proper
filtration by adding an external filter to the
water line entering the unit. (Consult factory
for accessories such as filters.)
Check to see that the unit is securely mounted on
a level surface with the proper drain and water supply.
Check for correct voltage with appropriately sized
service. Check that the steam distributor, steam
supply hose, and condensate line are correctly
installed and routed back to the unit. Ensure that the
external control humidistat is located in an area to
properly sense the relative humidity to be maintained
by the humidifier, and that the interconnecting low
voltage wires between the humidistat and the unit’s
control terminal strip are in accordance with the wiring
diagram.
5. DO NOT use completely demineralized water
with this unit as it is the minerals that allow the
electrode principle to work.
6. DO NOT use a hot water source as it will
cause deposits that will eventually block the fill
valve orifice.
Check all electrical connections for wires which
may have become loose in shipping. Components
damaged due to loose connections are NOT under
warranty.
WATER CONNECTION
Figure #2
Bottom View of MES Series Unit
Check electrode plugs to ensure they are pressed
firmly onto the electrode pins. Important: Loose
connections will cause overheating of the cylinder
plugs, possibly melting the plugs and/or cylinder.
3/8" Cold Water
Olive Connection
Open the isolating valve in the feed water line to
the unit.
Make sure the humidistat is set high enough to call
for humidification.
7/8" Drain
Connection
Turn on the main disconnect in the primary service
feeding the unit and check that unit has power at the
primary terminal block.
Use 7/8" I.D. Hose From Factory
PUSH THE AUTO ON/OFF/DRAIN SWITCH TO
“ON”.
1. A copper compression olive type coupling for
1/4" O.D. soft copper tubing is provided with
unit and requires no soldering for the water
connection to the unit. See Figure #2.
Water will start to enter the cylinder through its
bottom port and rise in the cylinder to a point
determined by the solid-state control circuitry.
2. An isolating valve should ALWAYS be placed
in the feed water line allowing service of the fill
valve.
It is not unusual upon initial start-up for the
water to fill the cylinder and cycle on the red high
water sensor light (amber light for MES-P).
3. Each unit is fitted with a fill solenoid valve
located on the base drain pan. Flow orifices
are designed for water pressure from 30 to 80
psi and are protected by the built-in strainer.
The red (amber for MES-P) light simply acts as a
safety to shut off the fill valve and prevent over-filling.
With the red light on, the water in the cylinder will
-2-
Figure #4
MES-P Adjustable Pot
continue to heat and, after a few minutes, start to boil.
After the boiling action of the water has lowered the
water level below the sensor at the top of the cylinder,
the red light will go out and the fill solenoid will again
open until the cylinder is again full.
This cycling of the red (amber for MES-P) light and
fill valve will continue until the unit’s full output capacity
is reached after which the water level will automatically
lower itself in the cylinder. (The increased
concentration allows for lower electrode coverage
while maintaining the same output.) When a stabilized
condition is reached the water will be boiling close to
the cylinder seam level. The solid state circuitry will
maintain the proper concentration in the cylinder by
introducing short drains only when necessary.
CYLINDER REPLACEMENT
If the cylinder is manually drained the above
process will repeat itself.
After an extended period of operation, in
accordance with life expectancy information, the
cylinder is completely used as indicated by the red
high water sensor light illuminated on the cabinet.
When this condition is reached, a new replacement
cylinder is to be installed.
Low Water Conductivity
Should normalization of the unit be required
immediately after start-up, the installer may speed up
the process by artificially increasing water conductivity.
During a fillcycle, the installer should dissolve half a
teaspoon of table salt (no more) in a cup of water and
add it to the cylinder by means of the fill cup attached
to the plumbing section.
NOTE: Red light may come on during initial
start-up but does not mean cylinder replacement. See
Start Up and Operation section of this manual.
Figure #5
Cylinder Removal
Open the plumbing compartment and add salt
solution through cylinder outlet. Excessive amounts of
salt will result in erratic operation of the unit; however,
normalization of the unit will occur automatically
through the solid-state control sequence.
CAPACITY ADJUSTMENT
The MES Series of humidifiers come with
adjustable capacity (AC) PC boards. These boards
have a pot to adjust the output from 20 to 100%. See
Figures # 3 and 4.
Figure #3
MES-U Adjustable Pot
Adjustable
Ad ustable
Capacity
Pot
Capacity
Consult factory or agent for replacement. Quote
the cylinder model from the white 3-digit label on the
cylinder or quote model, voltage, and serial number
from unit specification label.
Pot
WHEN TO REPLACE THE STEAM CYLINDER
The steam cylinder is disposable and must be
replaced at the end of cylinder life. Cylinder life is
-3-
dependent on water supply conditions and humidifier
usage. Failure to replace the cylinder at the end of
cylinder life may result in unit damage. Walter Meier
(NORTEC) is not responsible for any damages
resulting from, or attributable to, the failure to replace a
used cylinder (see Manufacturer’s Warranty).
7. The cylinder is now ready to be lifted out of
the unit.
INSTALLING THE NEW CYLINDER
1. The reverse procedure should be followed to
install a new cylinder. The main disconnect is
to be left open until the cylinder is completely
installed and reconnected.
REMOVING THE OLD CYLINDER
n
See Figure # 5.
2. Ensure that the cylinder mounting stubs are
seated properly in the allotted side mounting
slots within the unit.
1. Turn off the water supply to unit.
2. The old cylinder must be drained completely
before removing. This is done by pushing the
auto on/off/drain switch to the “drain” position.
3. The white sensor plug on all units is for the
sensor pin, which always goes on the single
pin offset from the others. See Figure # 6.
3. When completely drained, push the auto
on/off/drain switch to the “off” position.
4. Ensure that cylinder plugs are very snug on
the pins. Replace any loose fitting plugs as
these may result in hazardous operation.
4. Open the main disconnect during the entire
cylinder change operation.
MAINTENANCE
5. The power wires to the cylinder are attached
by cylinder plugs to the electrode pins on top of
the cylinder. Pull these plugs vertically off the
pins. See Figure # 5.
WARNING! The plumbing and electrical
compartments contain high voltage components and
wiring. The access cover is attached with screws.
Access should be limited to authorized personnel
only.
6. Using slot screwdriver, loosen the steam hose
clamp(s) and pull steam hose off vertically.
EXTENDED SHUTDOWN
Figure #6
Plugs
White
Sensor Plug
Before disconnecting power to the humidifier for a
period of extended shutdown, ALWAYS DRAIN the
cylinder first. Otherwise, the electrodes are subject to
harmful corrosion which drastically shortens the
cylinder life. Do NOT leave the switch in the DRAIN
position indefinitely as the drain coil could burn out.
Leave the switch in the OFF position and “open” the
main external fused disconnect to stop power to the
humidifier. Close the shut off valve in the water
supply line feeding the humidifier.
1Ø
Sensor Pin
Cylinder
Plug
TROUBLESHOOTING
Cylinder Pin
Cylinder Pin
TERMS USED
Sensor Pin
3Ø
Cylinder Pin
F.L.A. (Full Load Amps): Refers to amps listed
on the humidifier specification label.
Cylinder Pin
SHORT CYCLING: When the ‘on time’ of the
humidifier is less than ten minutes upon a call for
humidity. To correct short cycling, all humidifiers have
a capacity adjustment which allows the output of the
humidifier to be reduced to as low as 20% of rated
output, thus extending the ‘on time’ required to
maintain output.
Cylinder Pin
-4-
FOAMING: The phenomenon which can occur in
water when impurities, already in the water reach an
excess concentration as a result of boiling away pure
water and the continued boiling action agitating the
contained water. The humidifier electronics are
designed to prevent this occurrence although in
extreme cases, water will foam with little concentration
making it necessary to have the drain time of the
water, contained in the cylinder, increased. Foaming
is normally caused by short cycling, a restricted drain,
or back pressure. The foam, generated in these
instances, is conductive and may lead to false full
cylinder indication if the level of the foam approaches
the top of the cylinder.
2. Jumper the humidistat on external control
terminal strip. If contactor operates, then
control system is at fault.
3. The low voltage 3 amp fuse located in the
control box could be blown.
4. The contactor holding coil could be open or
shorted.
5. The switch could be defective.
Recheck that the “auto on/off/drain” switch is still
at “on”. If it is, then shut off the main disconnect and
check fuses or breaker of the main disconnect. If they
are serviceable, turn power back on.
BACK PRESSURE: The restriction of steam flow
caused by long steam runs, improperly sloped steam
lines, elbows changing the direction of steam flow from
horizontal to vertical without a drain leg, any plumbing
detail allowing the accumulation of condensate,
undersized steam line, improper steam distributor,
downward air flow onto the distributor causing excess
static pressure at the steam outlets, or high static
pressure ducts (not probable). To overcome excess
static pressure in the duct, a fill cup extension kit
should be used. In down flow applications, a down
flow distributor should be used, but in some cases the
fill cup extension will also be required.
To test for a defective “auto on/off/drain” switch,
connect a wire from the fuse directly to terminal 6 on
the external controls strip. If the contactor activates,
the “on” side of the switch is defective. If the contactor
does not activate, the PC board could be defective.
If the 3 amp control fuse blows when the wire from
the fuse touches terminal 6 on the external controls
strip, contactor holding coil could be shorted. Replace
contactor if necessary.
After the necessary components have been
replaced and the contactor pulls in, there is line
voltage to the cylinder and the control sequence can
begin.
RESET UNIT (HUMIDIFIER): To reset the
humidifier, the auto on/off/drain switch at the front of
the humidifier should be switch to the “Off” position for
a minimum of five seconds and then switched back to
the “On” position.
Approximately 30 seconds after the contactor pulls
in, the fill valve coil will energize.
MONITORED LEG: Refers to the primary wire to
the cylinder which loops through the current sensing
devise of the main PCB. This wire is terminated at the
red cylinder plug at the cylinder.
Water starts filling the cylinder and begins to
submerge the electrodes. Because of the high voltage
across the electrodes, the water can now conduct
electricity.
STARTING POINT
Water Level Maximum light on - Water at top of
cylinder:
Auto On/Off/Drain switch in “On” position - unit
will not fill:
This is a common occurrence on start-up. See
Start-Up and Operation section of this manual.
When the on/off control circuit is made and the
“auto on/off/drain” switch is pushed to “on”, the 24 volt
holding coil of the primary contactor should energize.
The resulting magnetic pull closes the high voltage
contacts with a distinct and audible “clunk”. If the
contactor will not make, then inspect the following
while referring to the wiring diagram:
If the cylinder is old, it indicates end of cylinder life.
Time to replace the cylinder. See “When To Replace
The Steam Cylinder” section of this manual.
Water Level Maximum light on - Water NOT at top
of cylinder:
1. Check for 24 Vac across terminals 18 and 26
on PC board (MES-U), terminals P1, 1 and 2
(MES-P).
Water foaming to top of cylinder causing false full
cylinder indication. This also may be accompanied by
arcing (flashing) inside cylinder. Refer to “Terms
Used” regarding foaming.
-5-
Water remains at high level and won’t concentrate:
This is normal on cold start-up and can be
accelerated by adding maximum 1/2 tsp. of dissolved
salt to the cylinder (through the plastic fill cup) on fill
cycle. See “Low Water Conductivity” section of this
manual.
If unit has been operating extensively, observe for
normal fill-boil-fill-boil cycle; no drain should be
occurring. If drain occuring, check for leaking drain
valve or back pressure.
Water beyond top of cylinder up into spout:
If the red light is not on and fill is still activated,
jumper across the connection of sensor on basic PC
board. If fill remains on when connection is jumped,
then basic PC board is faulty. If fill shuts off, then
verify primary voltage to cylinder (contactor
energized). If primary voltage is present, the high
water sensor PCB is defective.
Unit drains continually:
May be caused by foaming and/or back pressure,
or leaking drain valve.
Cylinder is almost empty, check for magnetic pull
on drain solenoid indicating miswiring. If no pull, drain
actuator is blocked open; remove, disassemble and
clean.
If drain is occurring through activated drain valve,
valve is miswired or electronics are faulty - consult
factory.
If drain is occurring through the overflow on the fill
cup, this is due to abnormal restriction on the steam
line and back pressure forces water out of the cylinder;
therefore, water cannot concentrate and level must
stay high; review installation of steam line to ensure no
blockages or excessive static pressure in air system.
-6-
DIAGNOSTIC PROCEDURES - TROUBLESHOOTING GUIDE MES-P ONLY
Unit Status Lamp
Yellow
On
Green
On
Symptom
Corrective actions
Maximum water level This usually happens on initial start-up after replacing the cylinder
inside cylinder.
(normal).
Water is concentrated with minerals inside the cylinder.
Let unit run, yellow light will disappear when the unit is at full
output. This may take a day or two.
Off
Off
No power to the
board.
Check for main power supply fault.
Turn power switch to ‘Drain’ position. If drain valve is activated
(sound of solenoid), check connection to the board or board itself.
When no sound present, check fuse (replace with 3.0 A if needed),
transformer (voltage should be present between fuse holder and
ground screw).
1 flash
sequence
Off
Excess current.
Operating amperage
exceeded 130% of
rated amps. Water is
drained from the
cylinder (drain valve
on for 10 min.).
Check drain valve operation, drain time, possible drain
restrictions.
Check if fill valve leaks (not holding supply water).
Back pressure may also cause very conductive water conditions.
Was the humidifier short cycling?
Check for short cycling.
Water conductivity too high.
2 flashes in Off
sequence
No current
detection for 30
minutes with
continuous call for
humidity.
Check water level in the cylinder - should be more than ¼ full. If
not check fill rate, 24 VAC voltage on fill valve terminals (unit must
be on with call for humidity - green light steady on). Verify fresh
water supply to the humidifier. Leaking drain valve can be at fault
(minerals blocking the plunger).
If cylinder is more than ¼ full, check primary power, connections to
the cylinder, continuity of wires to cylinder.
Are power wires connected to proper terminals on the cylinder?
(Color coding)
Possibly wrong cylinder type.
Low water conductivity.
4 flashes in Off
sequence
End of cylinder life change cylinder.
Check water level in the cylinder, should be about ¾ full.
Check for foaming if water level lower or cylinder life shorter than
expected.
Change cylinder, clean drain valve.
-7-
SOFTWARE REQUIRMENTS FOR MODBUS RTU MES-P ONLY
Modbus addresses:
4XXXX - R/W
3XXXX - R
Command
Output Control
Description
OFF
Disables the
humidifier and
places the
humidifier in
standby mode
MODBUS
address
ON
40262
Enables the
humidifier
(humidifier will
operate based
on the SET
OUTPUT
command
input)
Details
255: inhibit actions of
humidifier
0: allow normal operation
After a microprocessor reset, the
default setting for Output Control
shall be OFF.
Set Output
Sets the desired steam output
from 0-100%
40264
Remotely set humidity reading
over network. Value of 0 to
100 (per cent). If no network
signal for N minutes, reverts to
0.
Force Drain
When written to (FF), will interrupt 40276
the humidification process and
activate the humidifier drain valve.
After 20 minutes the controller will
reset this value (00).
After a microprocessor reset, the
default setting shall be (00)
255 will start the process, 0
will be accepted, to clear if the
request has not been cleared
itself
Set MODBUS address*
Change the humidifier controller’s 40550
MODBUS address.
The value changes will only
take effect following a
hardware reset of the control
board.
This value shall be zero after a
microprocessor reset
Range is 1-247.
This setting shall be non-volatile
with a default setting of 1.
Set MODBUS Baud rate*
Changes the humidifier’s baud
rate.
40552
Range is 4800, 9600, and 19200
B/sec.
This setting shall be non-volatile
with a default value of 9600 B/sec.
Set MODBUS parity*
Change the humidifier controller’s 40554
MODBUS parity.
Range is None, Even, Odd
This setting shall be non-volatile
with a default setting of Even.
-8-
The value changes will only
take effect following a
hardware reset of the control
board
The value changes will only
take effect following a hardware reset of the control board
Reset Run Hour Counter
Resets the humidifier controller’s
run hour counter to zero hours
40560
255 will start the run hours
counter process.
0 will be accepted to clear the
run hours counter.
Current damping
Buffers the measured current
40510
From 0 to maximum
(depending on software ability)
Electrode current
The value of the electrode current 30850
in Amps
Hex value representing the
humidifies current in amps
Resolution: 0.10 amps
Example:
015F (hex) = 35.1 Amps
Steam output
The current steam output in Kg/Hr. 30860
or LBS/hr
Hex value representing the
humidifies steam output in
kg/hr
Resolution: 0.10 kg or LBS
See UNITS (Modbus 40031)
Example:
013B (hex) = 31.5 kg/hr or
LBS/hr
Run hour counter
The number of hours the
humidifier has been in operation
since the last time the run hour
counter was reset
30414
Hex value representing the
number of humidifier oper
additional hours since the last
reset.
Resolution: 5 minutes
Maximum count: 5460 Hours.
Example:
07D0 = 2000 hours
Firmware version
The firmware version of the
humidifier controller
30361
Packed BCD version 3.52
would be 0x0352
Humidifier state
Describes the current state of the
humidifier and it’s I/O’s
Contactor ON/OFF
30800
Bit Allocation
Note More than one bit can be
active at any time.
Fill Valve ON/OFF
Drain Valve ON/OFF
Contactor on = 1
Fill valve on = 2
Drain valve on = 4
Maximum production
The rated maximum steam
production for the humidifier
30802
Value written into Unit type
(40600) is also stored here
Alarms
The humidifier shall describe any
faults
30364
Bit Allocation
Too long to fill
Note More than one bit can be
active at any time.
Excess Current
Too long to fill = 1
End of cylinder life
No current
Excess current = 2
End of cylinder life = 4
No Current = 8
-9-
Units
Required by the control board for
capacity calculations
40031
0: 0-1. 0=LBS, 1=KG
Unit type
Required by the control board for
current and capacity calculations
406000
Depending on the setting in
UNITS (Modbus: 40031)
Hex value representing
maximum unit capacity (100%
fill off amps)
Unit voltage
Required by the control board for
current and capacity calculations
40610
Format is Hexadecimal
numeration table (see below)
Hex Value Unit Type
Unit phase
Required by the control board for
current and capacity calculations.
40620
0
110-120
1
208
2
220-240
3
230
4
277
5
347
6
380
7
400
8
415
9
440-480
A
550-600
Bit Allocation
Single phase = 1
Three phase = 2
Three phase (6 electrode) = 4
- 10 -
MES SERIES
MES SERIES
MES-U / MES-P HUMIDIFIER
- 11 -
MES SERIES INTERNAL AND FIELD WIRING
- 12 -
- 13-
-
DESCRIPTION
Cylinder - To order replacement cylinder, quote the 3-digit
number on the cyl. Being replaced or quote the unit
serial number, model and voltage from the spec label.
2
Cylinder Plug - Sensor H.W.S
3
Cylinder Plug 10AWG Spring Loaded - Black
4
Cylinder Plug 10AWG Spring Loaded - Red
5
Cylinder Plug 10AWG Spring Loaded - Yellow
6
Drain Canal
7
Drain Canal Gasket
8
Drain Canal Screw
9
Drain Canal Washer
Drain Hose Nominal 3/4" - 1 ft. length
10
Drain Valve Body - Assembly
11
Drain Valve Body and Coil Assembly
12
Drain Valve Coil Assembly - 24V ASCO2
13
Drain Valve Hose and Overflow Hose
14
Drain Valve Hose and Overflow Hose Spring Clamp
15
Drain Valve O-Ring
16
Drain Valve Plastic Stuffing Block
17
Drain Valve Screw s
18
Drain Valve Spring & Core
19
Fill Cup
20
Fill Valve Assembly #1
21
Fill Valve Assembly #2
22
Fill Valve Hose
23
Fill Valve Spring Clamp
24
Fill Valve Screw
25
Fitting - 1" to 3/8"
26
Fitting - 3/8" to 1/4" compression 90 degree
27
Fuse 3A In-Line
28
Grommet - Closed 7/8"
29
Grommet - Closed 1-1/16"
30
Grommet - Open 7/8"
31
Ground Clamp
32
High Water Sensor Board Standoff (MES-U Only)
33
High Water Sensor Ligh and Lense (MES-U Only)
34
High Water Sensor PC Board Assembly (MES-U Only)
35
Steam Hose Nominal 3/4" - Specify Length
36
Steam hose Clamp
37
Sw itch -On/Off
38
Terminal Block 65A 1PH
39
Terminal Block 65A 3PH
Tie Wrap - Reusable
40
PCB - To order replacement PC Board, quote the 7-digit
number on the board label, or, quote the unit serial number
model and voltage from the spec label
41
MES-P Replacement PCB Board
42
MES-P Replacement Modbus driver board
43
Not Shown
1
POS.
NO
-14PVC * Electrical
PVC * Electrical
PVC * Electrical
Closed Plumbing
Closed Plumbing
132 1061
132 1062
Specify Length
w /o body
Specify Length
w /o coil
Comments
150 9591
1509529
253
1585
150 4150
135 4012B
135 4012R
135 4012Y
132 1216
163 1026
132 5064
132 5046
132 8810
132 6003
252 6000
2854
145
132 6002
132 8860
132 5035
132 6004
132 1042BR
145 5002
132 6002K1
142 1050
1
n/a
132 8850
132 5023
145 5004
149 5072
132 6129
145 1003
145 3079
163 1014
132 3079
132 3020
132 5253
132 3099
147 4994
132 8810
132 5007
132 3097
147 3002
163 1050
151 3003
Consult
Factory
NORTEC
PART
NUMBER
Consult
Factory
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
2
1
1
n/a
1
1
2
2
1
1
1
2
1
2
1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
2
1
1
n/a
1
1
2
2
1
1
1
2
1
2
1
1
1
1
1
4
1
1
1
1
n/a
1
1
1
1
1
1
1
1
1
3
1
1
2
1
1
1
n/a
1
2
2
1
1
1
2
1
2
1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
2
1
1
1
n/a
1
2
2
1
1
1
2
1
2
1
1
1
1
1
4
1
MES-U 25 - 30 / 3Ph
380/
208/
460/
230V
575V
1
1
1
1
1
n/a
1
1
1
1
1
1
1
1
1
3
1
1
2
1
1
1
n/a
1
2
2
1
1
1
2
1
2
1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
2
1
1
1
n/a
1
2
2
1
1
1
2
1
2
1
1
1
1
1
4
1
MES-U 15 - 20 / 3Ph
380/
208/
460/
230V
575V
1
1
1
1
1
n/a
1
1
1
1
1
1
1
1
1
3
1
1
2
1
1
1
n/a
1
2
2
1
1
1
2
1
2
1
1
1
1
1
4
1
1
MES-U 15 - 20 / 1Ph
380/
208/
460/
230V
575V
1
1
1
1
1
n/a
1
1
1
1
1
1
1
1
1
3
1
1
2
1
1
1
n/a
1
2
2
1
1
1
2
1
2
1
1
1
1
1
4
1
1
MES-U 5 - 10 / 1Ph
380/
208/
460/
230/
575V
277V
1
1
MES SERIES SPARE PARTS LIST - ELECTRICAL AND PLUMBING
41
- 15-
LIMITED WARRANTY
Walter Meier Inc. and/or Walter Meier Ltd. (hereinafter collectively referred to as
THE COMPANY), warrant for a period of two years from date of shipment, that THE
COMPANY’s manufactured and assembled products, not otherwise expressly
warranted (with the exception of the cylinder) are free from defects in material and
workmanship. No warranty is made against corrosion, deterioration, or suitability of
substituted materials used as a result of compliance with government regulations.
THE COMPANY’s obligations and liabilities under this warranty are limited to
furnishing replacement parts to the customer, F.O.B. THE COMPANY’s factory,
providing the defective part(s) is returned freight prepaid by the customer. Parts used
for repairs are warranted for the balance of the term of the warranty on the original
humidifier or 90 days, whichever is longer.
The warranties set forth herein are in lieu of all other warranties expressed or
implied by law. No liability whatsoever shall be attached to THE COMPANY until said
products have been paid for in full and then said liability shall be limited to the original
purchase price for the product. Any further warranty must be in writing, signed by an
officer of THE COMPANY.
THE COMPANY’s limited warranty on accessories, not of Walter Meier’s
manufacture, such as controls, humidistats, pumps, etc. is limited to the warranty of the
original equipment manufacturer from date of original shipment of humidifier.
THE COMPANY makes no warranty and assumes no liability unless the
equipment is installed in strict accordance with a copy of the catalog and installation
manual in effect at the date of purchase and by a contractor approved by THE
COMPANY to install such equipment.
THE COMPANY makes no warranty and assumes no liability whatsoever for
consequential damage or damage resulting directly from misapplication, incorrect sizing
or lack of proper maintenance of the equipment.
THE COMPANY retains the right to change the design, specification and
performance criteria of its products without notice or obligation.
PRINTED IN CANADA
Walter Meier (Climate USA) Inc.
826 Proctor Avenue, Ogdensburg, New York 13669
Walter Meier (Climate Canada) Ltd.
2740 Fenton Road, Ottawa, Ontario K1T3T7
Tel: 866 NORTEC 1 Fax: 613 822 7964
[email protected] www.humidity.com
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