Water Maze HBG-15 User manual

OPERATOR’S MANUAL
HBG
■HBG-15 ■HBG-30
For technical assistance or the Water Maze Dealer nearest you
visit our web page at www.wmaze.com
8.913-990.0-K10/13/20
L
I
S
T
E
D
®
89139900-1

Model Number ______________________________
Serial Number ______________________________
Date of Purchase ____________________________
The model and serial numbers will be found on a decal attached to
the evaporator. You should record both serial number and date of
purchase and keep in a safe place for future reference.
CONTENTS
2
HBG • 8.913-990.0-K
Introduction.................................................................................................................................... 4
General Safety Information.........................................................................................................4-5
Electrical Safety Information .......................................................................................................... 5
Standard Safety Features...........................................................................................................6-7
Installation...................................................................................................................................... 6
HBG-15, HBG-30 Component Identification.................................................................................. 7
Gas Pressure Test ...................................................................................................................... 8-9
Pre Start Checklist....................................................................................................................... 10
Alarm Strobe Light Installation Instructions..................................................................................10
Operating Instructions.................................................................................................................. 11
Setting High Limit Control............................................................................................................ 12
Maintenance ...........................................................................................................................12-13
HBG Fuel and Air Settings........................................................................................................... 13
Auto Fill Operating Characteristics .............................................................................................. 13
Air Assisted Defoamer Operating Characteristics ....................................................................... 13
Batch Cycle Counter...............................................................................................................14-16
Installation Dimensions................................................................................................................ 17
Exploded View HBG-15 ..........................................................................................................18-19
Exploded View Parts List HBG-15 ..........................................................................................20-21
Exploded View HBG-30 ..........................................................................................................22-23
Exploded View Parts List HBG-30 ..........................................................................................24-25
Control Panel Exploded View....................................................................................................... 26
Control Panel Exploded View Parts List....................................................................................... 27
HBG Float Assembly Exploded View........................................................................................... 28
HBG Float Assembly Parts List ................................................................................................... 29
HBG Auto Fill Option Exploded View........................................................................................... 30
HBG Auto Fill Option Parts List ................................................................................................... 31
HBG Air Defoamer Option Exploded View................................................................................... 32

CONTENTS
3
HBG • 8.913-990.0-K
HBG Air Defoamer Option Parts List ........................................................................................... 33
HBG Electric Auto Fill Exploded View.......................................................................................... 34
HBG Electric Auto Fill Exploded View Parts List.......................................................................... 35
HBG Electric Auto Fill Anti-Foam Kit Exploded View ................................................................... 36
HBG Electric Auto Fill Anti-Foam Kit Exploded View Parts List ................................................... 37
HBG Oil Skimmer Option Exploded View .................................................................................... 38
HBG Oil Skimmer Option Exploded View Parts List .................................................................... 39
Replacing Pump Head Tubing .....................................................................................................40
Anti-Foam Metering Pump........................................................................................................... 41
Burner Assembly HBG-15 #P250AFEP........................................................................................42
Burner Assembly HBG-30 #HSG400 & Parts List ..................................................................43-44
Gas Train Assembly and Parts List ..............................................................................................44
Troubleshooting ......................................................................................................................45-46
HBG Cost Formulas..................................................................................................................... 47
Specifications............................................................................................................................... 47
Preventative Maintenance ........................................................................................................... 48
Warranty ...................................................................................................................................... 49

4HBG EVAPORATOR OPERATOR’S MANUAL
HBG • 8.913-990.0-K
IMPORTANT
SAFETY INFORMATION
CAUTION: To reduce the risk of
injury, read operating instruc-
tions carefully before using.
1. Read the owner's manual thor-
oughly. Failure to follow instruc-
tions could cause a malfunction
of the evaporator and result
in death, serious bodily injury
and/or property damage.
CAUTION: Read the information on the serial plate
and burner labels to verify proper fuel connection.
2. All installations must comply with local codes. Con-
tact your electrician, plumber, utility company or the
selling distributor for specific details.
3. To protect the operator from
electrical shock, the machine
must be electrically grounded.
It is the responsibility of the
owner to connect this machine
to a UL grounded receptacle of
proper voltage and amperage
ratings. Do not touch machine
with wet hands or while stand-
ing in water. Always disconnect power before servicing.
4. Never make adjustments on the machine while it is
in operation except those prescribed in this manual.
CAUTION: Use extreme caution when open-
ing the lid of the evaporator. Hot and possibly
corrosive steam will be emitted.
5. DO NOT use concentrated flammable liquids that
could pose an explosion hazard.
WARNING: Flammable liquids
can create fumes which can
ignite causing property damage
or severe injury.
6. WARNING: DO NOT attempt
to evaporate flammable
wastes of any kind, i.e., DO
NOT process solvents, pure
oils, etc.
7. DO NOT locate machine in the vicinity of any flam-
mable vapors, liquids or solids.
8. Before servicing the machine, refer to all Safety
Data Sheet’s on the material identified in the waste
stream.You must comply with all warnings and wear
all protective clothing stated on the Safety Data
Sheet's.
WARNING
RISK OF
EXPLOSION. IF YOU
SMELL GAS, SHUT
OFF GAS SUPPLY.
INTRODUCTION
Thank you for purchasing a WATER MAZE HBG.
This manual covers the operation and maintenance of
HBG evaporators. All information in this manual is based
on the latest product information available at time of
printing.
WATER MAZE reserves the right to make changes at
any time without incurring any obligation.
Owner/User Responsibility:
The owner and/or user must have an understanding
of the manufacturer’s operating instructions and warn-
ings before using this WATER MAZE machine. Warning
information should be emphasized and understood. If
the operator is not fluent in English, the manufacturer’s
instructions and warnings shall be read to and discussed
with the operator in the operator’s native language by
the purchaser/owner, making sure that the operator
comprehends its contents.
Owner and/or user must study and maintain for future
reference the manufacturers’ instructions.
SAVE THESE INSTRUCTIONS
This manual should be considered a permanent
part of the machine and should remain with it if
machine is resold.
When ordering parts, please specify model and se-
rial number. Use only identical replacement parts.
This machine is to be used only by trained opera-
tors.
PLEASE NOTE: WATER MAZE is not responsible for
procurement of regulatory and/or operating permits that
may be required by city, county, state or federal agen-
cies. It is the customer who is responsible for procure-
ment of any hazardous or non-hazardous regulatory
and/or operating permits, compliance with codes or
other governmental requirements associated with the
installation, use, or disposal of waste associated with this
equipment. Submerged combustion can be classified as
incineration in specific jurisdictions. It is the customer's
responsibility for procurement of appropriate local and
state permits as needed.
The guidelines listed in the evaporator feasibility report
are specific only to the waste stream submitted for the
evaluation and estimated emissions. Moreover, WATER
MAZE is not responsible for the operation or mainte-
nance of the evaporator unit. If the unit is subjected to
any waste stream other than that which has been tested
by the named laboratory, operation may cause adverse
effects on the equipment and will negate any warranty
of parts or equipment.
READ OPERATOR’S
MANUAL THOROUGHLY
PRIOR TO USE.
CAUTION
TO AVOID ELECTRIC
SHOCK, GROUND
MACHINE PROPERLY.
DANGER

HBG EVAPORATOR OPERATOR’S MANUAL 5
HBG • 8.913-990.0-K
9. When the machine is working, do not cover or place
in a closed space where ventilation is insufficient.
Avoid installing machines in small confined areas.
Adequate oxygen is needed for the evaporation pro-
cess. Standard minimum clearances for this type of
appliance is 18" from floor, sides and rear and 48"
from electrical control box. The minimum clearance
from the vent stack is 18". This appliance must be
installed on non-combustible floors.
10. The HBG and components will freeze if not in
operation. In cold climates locate HBG in heated
enclosure.
11. Running the system without water damages the tank
floor and voids the warranty.
NOTE: Allow tank to cool before adding wastewater
or damage will occur to tank floor due to thermal
shock.
12. The HBG must be installed and training provided by
an authorized dealer.
13 Do not operate the equipment in an unvented, en-
closed area. Carbon monoxide may accumulate.
14. If you smell gas, shut off the gas
supply valve, extinguish any
open flame and test all joints
with a soap solution. If the odor
persists, call your gas supplier
immediately.
15. Only those liquid wastes
that have been approved by
WATER MAZE, and the proper
regulatory agencies, should be
placed in the HBG machine.Test
methods as outlined in WATER MAZE Profile 3518
must be obtained. NOTE: WATER MAZE is not liable
for the performance and the warranty will be void
when waste liquids that are not tested and approved
are introduced into the HBG.
16. Chemistry limitations include:
Maximum 1,000 mg/L chlorides for 316L stainless
steel.
Maximum 40,000 mg/L chlorides for AL-6XN
stainless steel pH between 7.0 and 9.0.
Initial oil concentration between 500 and 5,000
mg/L or a corrosion inhibitor for carbon steel.
Deviations from these parameters must be approved
by Engineering.
ELECTRICAL SAFETY
Ground equipment before connecting to the electrical
power supply.
Failure to ground the equipment can
cause a severe or fatal electrical
shock hazard.
Do not ground to a gas supply line.
To avoid dangerous or fatal electrical
shock, disconnect the power to the
equipment before working on any elec-
trical connection or making any repairs.
Supply voltage must be within ± 10%
of the nameplate voltage. Incorrect voltage can cause
a fire or seriously damage the equipment and void the
warranty. If in doubt, consult a licensed electrician.
Connect the equipment to a dedicated circuit breaker.
DANGER: This machine is
equipped with an electronic ig-
nition system. Lighting of the
pilot is accomplished through
electronic spark ignition. Do not
attempt to light the appliance
manually as a burn injury or elec-
trical shock may result.
WARNING
RISK OF EXPLOSION:
DO NOT USE WITH
FLAMMABLE
LIQUIDS.
FOR YOUR SAFETY READ BEFORE LIGHTING
WARNING
If you do not follow these instructions exactly, a fire or explosion
may result, causing property damage, personal injury or loss of
life.
A. This appliance has a pilot which must be electrically ignited.
When lighting the pilot, follow these instructions exactly.
B. Before lighting, smell all around the appliance area for gas. Be
sure to smell next to the floor because some gas is heavier than
air and will settle on the floor.
FOR YOUR SAFETY
WHAT TO DO IF YOU SMELL GAS
Do not try to light any appliance.
Do not touch any electrical switch. Do not use any phone in the
building.
Immediately call your gas supplier from a neighbor’s phone. Follow
the gas supplier’s instructions.
If you cannot reach your gas supplier, call the fire department.
C. Use only your hand to push in or turn the gas control knob.
Never use tools. If the knob will not push in or turn by hand, don’t
try to repair it.
Call a qualified service technician. Attempted repair or use of
force may result in a fire or explosion.
D. Do not use this appliance if any part has been under water.
Immediately call a qualified service technician to inspect the
appliance and to replace any part of the control system and
any gas control which has been under water.
HAZARDOUS VOLTAGE
CAN SHOCK, BURN
OR CAUSE DEATH.
GROUND SYSTEM
BEFORE CONNECTING
TO POWER SUPPLY.
DANGER
HAS ELECTRONIC
SPARK IGNITION.
DO NOT ATTEMPT
TO LIGHT MANUALLY.
DANGER

6HBG EVAPORATOR OPERATOR’S MANUAL
HBG • 8.913-990.0-K
STANDARD
SAFETY FEATURES
The HBG uses gas and electricity to operate. This can
be a fatal combination if not handled properly. For this
reason, the HBG has been designed with safety in mind.
You will find these standard safety features on all HBG
equipment:
1. Batch Cycle Controller
This controller counts how many times the machine
has evaporated and refilled. At a predetermined
number of batch cycles, the controller will shut down
the evaporator. Maintenance must be performed
before the batch cycle controller is reset.
2. Low Water Float Switch
This float switch insures that there is water cover-
ing the floor of the evaporator. When the water level
drops to a certain level, the low water float switch
turns off the burner.
3. High Water Float Switch
This float will turn off the HBG when the water level
becomes too high.
4. On-Off Switch
The burner on-off switch disconnects power to the
burner.
5. High Temperature Switch with Manual Reset
If the underneath floor temperature below the tank
exceeds 500° for the HBG-15 & HBG-30, the manual
reset temperature switch will trip, turning off the
burner. To reset, push the black button on the side
of the electrical box.
6. High Temperature Alarm
Included with your HBG is a combination strobe
light and horn alarm that will warn of a high tem-
perature condition within the HBG tank. This alarm
is automatically actuated on high temperature by
two thermal switches mounted on the outside wall
of the tank. These thermal switches are factory set
at 300° F and are designed to set off the strobe/horn
alarm as well to shut down the machine.This alarm
unit must be field mounted (see page 26) and wired
(see wiring diagram) to the HBG control panel. The
strobe light has a flash rate of 75 flashes/minute.The
audio alarm has a sound level of 81 dBA @ 10ft.
INSTALLATION
1. LOCATION-Locate the HBG evaporator on a con-
crete surface and level with leveling feet supplied
with the machine.
NOTE: Leveling feet must be screwed into the bot-
tom of the flame box when it is removed from pal-
let. HBG-30's must have fifth leveling foot screwed
into the burner support bracket located below the
burner. Burner support bracket is to keep the burner
level at all times. Protect machine from damaging
environments such as wind, rain, sun and freezing
temperatures.
CAUTION: For natural gas, air ventilation should
be located near the ceiling. For liquid propane,
air ventilation should be located near the floor.
Air ventilation openings and evaporator stack
should be located a safe distance from building
climate control air intake ducts.
2. ELECTRICAL-The standard HBG requires 120
volts. Refer to the serial plate for proper voltage and
amp requirements for your machine. All electrical
lines must be tested with a voltage meter for proper
voltage and polarity before connecting to the HBG.
CAUTION: All electrical lines must be installed
by qualified personnel only. All installations must
be electrically grounded and conform to all local
and National Electrical codes.
NOTE: The serial plate lists multiple AMP ratings.
Use the one that matches your purchased unit and
options. The first Amp rating on the serial plate is
the standard unit with no air or electrical-powered
options.The AIR Option Amp rating is for the unit with
any air-powered auto-fill and/or chemical defoamer
injection options.The ELEC Option Amp Rating is for
the unit with any electric motor or solenoid-powered
auto-fill and/or chemical de-foamer injection options.
Refer to the Amp rating that applies to your unit when
installing.
Use a strain relief at the rear of the control panel
for connecting to the main power supply. Electrical
conduit must be run all the way to the connection
point in accordance with local codes. To connect
the power wires inside the electrical box, locate the
wiring terminal strip and follow wiring diagram to
make sure black wire is connected to the proper
terminal. Connect the white neutral wire to terminal
#N. Then connect the ground wire to the grounding
stud on the back of the electrical box. Confirm that
voltage is going to the correct terminals.
3. AUTO FILL FLOAT - Remove float wires from pump
switch (black and white wires).With strain relief sup-
plied, attach to wastewater tank near bottom and
thread float wires through strain relief and tighten.
Note: Leave at least a 3 inch tether from the strain
relief for float to work correctly. Rewire float wires
into pump switch.
4. GAS PIPING - All piping must comply with local
codes and ordinances or the National Fuel Gas Code
ANSI Z223. 1-1984 and NFPA No. 54. A sediment
trap or drip leg must be installed in the supply line
to the burner.

HBG EVAPORATOR OPERATOR’S MANUAL 7
HBG • 8.913-990.0-K
89139900-2
Control
Panel
30-817
Float Assy.
Auto-Fill Inlet
Auto-Fill Inlet
Exhaust Fan
30-817
Float Assy.
Burner Assy.
COMPONENT IDENTIFICATION
HBG-15 TOP
HBG-30 BOTTOM
Alarm/Strobe
(Must be installed for
proper machine operation)
Control
Panel
Burner Assy.
Exhaust Fan
Alarm/Strobe
(Must be installed for
proper machine operation)

8HBG EVAPORATOR OPERATOR’S MANUAL
HBG • 8.913-990.0-K
A union shall be installed in the gas line adjacent
to and upstream from the control manifold and
downstream from the manual main shut off valve.
A 1/8" N.P.T. plugged tap accessible for test gauge
connection shall be installed immediately upstream
of the gas supply connection for the purpose of
determining the gas supply pressure to the burner.
A manual shut off valve shall be installed in the gas
supply line external to the appliance.
The gas line should be a separate supply direct from
the meter to the burner. It is recommended that new
pipe be used and located so that a minimum amount
of work is required in future servicing. Piping should
be durable, substantial and gas tight. It should be
clear and free from cutting burrs and defects in
structure or threading. Cast iron fittings or aluminum
tubing should not be used for the main gas supply.
Joint compounds (pipe dope) should be used spar-
ingly on male threads only and be approved for all
gases.
The building structure should not be weakened by
installation of the gas piping. The piping should not
be supported by other piping, but should be firmly
supported with pipe hooks, straps, bands or hangers.
Butt or tap welded pipe should not be bent.
The gas piping should be so installed as to prevent
an accumulation of condensation and it must be
protected against freezing. A horizontal pipe should
be pitched so that it grades toward the meter and is
free from sags. The pipe should not be run through
or in an air duct or clothes chute.
The HBG and its individual gas valve must be dis-
connected from the gas supply piping system during
any pressure testing of the system at test pressures
in excess of 1/2 psig.
TESTING PIPING FOR LEAKS - Before allowing
gas under pressure into the piping, all openings
from which gas can escape should be closed. Im-
mediately after turning on gas, the system should
be checked for leaks. This can be done by watch-
ing the 1/2 cubic foot test dial for 5 minutes for any
movement, or by soaping each pipe connection and
watching for bubbles. If a leak is found, make the
necessary repairs and repeat the above test.
Defective pipes or fittings should be replaced and
not repaired. Never use a flame or fire in any form
to locate gas leaks—use a soap solution.
After the piping and meter have been checked com-
pletely, purge the system of air. Be sure to relight all
the gas pilots on other appliances.
PURGING - After the piping has been checked, all
piping and appliances receiving gas through the
meter shall be fully purged. A suggested method for
purging the gas line to the burner is to disconnect
the pilot line at the outlet of the pilot valve. Under
no circumstances shall the line be purged into the
combustion chamber.
After the gas line to the burner has been fully purged
and the pilot line reconnected, the gas supply at
other pilot burners, located on other gas appliances
which were extinguished as the result of interrupted
service, shall be reignited.
GAS SUPPLY PIPE & PRESSURE - The burner gas
valve will accept a 3/4" (HBG-30) and 1/2" (HBG-15)
gas line.
The minimum inlet gas supply pressure is 6" W.C. for
natural gas and 11.0" W.C. for L.P. gas; the maximum
gas supply pressure is 14" W.C. for natural gas and
L.P. gas (vapor). A regulator may be needed to obtain
the required pressure. Refer to chart on page 12 for
settings.
5. WASTEWATER - Wastewater is introduced into the
evaporator using a bucket or the optional autofill
pump. A 20 mesh stainless steel strainer protects
the pump from debris. The connection between the
above ground wastewater tank and the HBG machine
is made by using a 3/4" I.D. or larger supply hose
with common connectors supplied by the customer.
The connection is located on the rear of the machine
where the 20 mesh strainer is connected to the pump.
WATER MAZE recommends the installation of a ball
valve next to the strainer that will allow stoppage of
the waste stream during maintenance. A 3" sludge
valve 8.707-229.0 is recommended (not supplied)
to allow easy removal of sludge and concentrated
wastewater.
GAS PRESSURE TEST
HBG- 15 Burner
High
Low
High
Low
Inlet Gas
Pressure
Manifold
Pressure

HBG EVAPORATOR OPERATOR’S MANUAL 9
HBG • 8.913-990.0-K
NOTE: The HBG optional autofill air diaphragm
pump is automatically controlled by floats and will
supply wastewater as needed after startup.
CAUTION: Foaming chemicals will affect the
evaporation process in the HBG. An anti-
foaming agent may need to be added to coun-
teract the foam.
An automatic anti-foam dispenser can be used to
automatically add anti-foam (8.906-074.0). Contact
your WATER MAZE representative to purchase the
defoamer best suited to your application. (Defoamer
sold separately.)
6. VENTING - Each evaporator must have its own vent
stack — A 6" vent pipe (HBG-15) and 10" vent pipe
(HBG-30). The stack temperature will reach 650°F.
Recommended Materials:
1.Type L Vent Pipe
2. Stainless Steel Pipe
3. Boiler Stacking
NOTE: If possible, the stack should be a single piece.
However, if the stack has seams, the seams must be
sealed with duct sealant to prevent moisture leaks;
since the exhaust is water saturated. A tube of RTV
silicone will be supplied with each machine shipped
for this purpose. Moisture leakage may result in
damage to the HBG electrical systems. All stack
installations must be performed only by qualified
personnel.
The top of the exhaust stack should be sufficiently
high above the roof for proper dispersion of the
exhaust. The stack should be unobstructed and in
compliance with all local and federal codes. Avoid
90° bends in the stack. A straight stack is always
best.
A vertical discharge design should be used, together
with a vertical rain diverter. A conventional rain cap is
not recommended for the HBG because of induced
back pressure. A vertical rain diverter is an over-
sized piece of stack material that is concentric with
the stack.The diverter extends 6" down over the top
of the stack to allow flexibility in positioning fasteners.
Both rain protection and back pressure reduction is
achieved with this design. This type of rain diverter
can be purchased from your local dealer.
7. Air Requirements - An air compressor capable
of delivering a minimum of 4 cubic feet per minute
(CFM) of air at 60-100 psi to work the optional auto
fill air diaphragm pump and air assisted defoamer
system. NOTE: Air supply must be on at all times
for machine to operate
2' Min.
6" Flue Rain Cap
(optional) 8.717-740.0
10" Flue Rain Cap
(optional) 8.717-742.0
Roof

10 HBG EVAPORATOR OPERATOR’S MANUAL
HBG • 8.913-990.0-K
ALARM STROBE INSTALLATION - Locate
a position in which to install the strobe light
assembly that will be visible to alert someone
of this alarm.
CAUTION: Disconnect Power Before
Servicing. From the terminal strip inside the
machine's electrical box, connect a black and
white 18 gauge wire (figure 1), then run them
through conduit to the Alarm Strobe Light with
Horn Assembly. These wires will be 120 volt!
Inside the strobe light assembly you will find
4 screw terminals. Install the 2 jumper wires
included and wire per instructions provided with
the strobe light assembly.
Connect the black wire to terminal #4 and the
white wire to terminal #2 in the HBG electrical
box per figure 1.
ATTENTION! The alarm/strobe supplied with this
machine is specially designed to draw attention
to abnormal conditions and alert employees.
This device must be installed on the wall near
the machine in clear view of the operator. See
pages 6, 10 & 26 for instructions.
INSTALLING THE ALARM
STROBE LIGHT ON THE HBG
Figure 1
WB 120V
Field Wiring
PRE-START CHECK LIST
YES NO
Has gas supply been inspected by an
authorized contractor to meet local
codes?
Has air supply hose been connected
and adjusted?
Is machine shielded from moisture or
water spray?
Is the voltage correct and are the circuit
breaker and supply cord adequate
according to specifications and serial
plate notation?
Is the machine electrically grounded?
Is there ample wastewater supply?
Have all flammable liquids or gases
been removed from the installation
location?
Is there adequate gas supply for the
BTU rating of the burner?
Is incoming gas supply pressure to
the machine between 6-14 w.c.i. or 1/2
psig?
Has the proper gas regulator been
installed for pressure and volume?
Is the machine properly vented to allow
adequate flow?
Are the propane tanks large enough,
according to the rating of the machine,
to prevent freezing?
Have gas lines been checked for gas
leaks?
Have all operators using this machine
been instructed properly and have they
read the manual?
Has the machine been installed
according to the operator’s manual
instructions?
Has wastewater pH been adjusted
between 8 - 10?
CAUTION: If “NO” has been checked on any of the
above questions, do not operate the machine.

HBG EVAPORATOR OPERATOR’S MANUAL 11
HBG • 8.913-990.0-K
OPERATING INSTRUCTIONS
NOTE: If the waste stream being evaporated does
not contain between 500-5000 mg/L of oil and you
are using a mild steel tank, it is extremely important
to add 1 quart of 20 to 40 weight chemical oil to the
HBG-15 tank (2 quarts to the HBG-30 tank) each time
maintenance is performed. This amount of oil will
equal approx. 1/8" of oil on the top surface of the
HBG liquid. This additive will impede corrosion. If
this operation is not performed, the tank warranty
will be void.
1. Supply the HBG-15/30 with 120 volts on a 15 amp
service. NOTE: All supply voltage wires must be
wired into the electrical box and connected to their
respective terminal bar strip positions or ground-
ing lugs. Refer to wiring diagram supplied with the
machine. Important to check wire polarity.
2. Fill the evaporator tank with wastewater to the bot-
tom of the top safety float. WARNING: If the HBG
liquid level is too high, the high level safety float will
not allow the machine to operate.
3. Turn the fan switch to the ON position.
NOTE: The fan switch must be on for any other
components to operate.
4. If equipped with the optional auto fill air diaphragm
pump, confirm the wastewater inlet line is connected
to the inlet filter garden hose swivel connector.
5. Confirm that the external normally open float with the
auto fill option in the wastewater holding tank is in the
up position. If the float is in the down position when
the pump switch is in the auto position, the pump
will not operate. If the pump switch is in the manual
position the external float will be bypassed.
6. Push the pump switch to the “auto” position (auto fill
option). The pump will turn on, filling the tank with
wastewater. The top float inside the tank turns the
pump “off.”
7. Turn gas control valve knob to “ON”.
8. Push the burner switch to the “ON” position. If the
low water float is in the up position the burner begins
the ignition process.
NOTE: The low water float is controlled by a timer
to alleviate the burner from being turned on and off
due to boiling water agitation. When the low water
float is moved from the down to the up position, the
timer will initiate timing for 10 seconds before the
burner is initiated.
The ignition process is as follows:
A. Trial for pilot ignition: The flame module checks
that a safe start flame simulating condition ex-
ists. A fan proving switch proves the burner fan is
operating. If it is not operating, the burner will not
ignite.
B. Pilot ignition: The flame module opens the gas
pilot valve. Simultaneously, the electronic spark
generator ignites the pilot. Once the pilot has
ignition, the electronic spark generator turns off.
The pilot ignitor/sensor rod proves there is flame at
the pilot. If there is no flame at the pilot the burner
goes into a safety lockout period.
C. Main flame ignition: Once the burner pilot sen-
sor is proven the main gas solenoid valve opens
allowing full burner operation. If the flame goes
out, the pilot electronic spark generator attempts
to reignite the pilot.
NOTE: If the burner does not ignite, confirm the
gas solenoid valve on/off switch is in the “ON” po-
sition and that the manual reset high temperature
switch has not tripped due to low water or high
solids build up inside the HBG tank. The reset
button is on the back of the control box.
9. Remove the plug at the gas solenoid valve manifold
and install a hosebarb fitting. Attach a 0-10" W.C.
manometer. With the burner operating, adjust the
regulator valve to the proper setting according to
the chart below.
10. When the predetermined batch cycle count has been
reached and after maintenance has been performed,
restart the machine by pushing the reset button on
the batch cycle counter labeled F1/RST.
11. To operate the optional oil skimmer, turn the burner
to the “OFF” position allowing oil to float to the top
of the tank. Lift the tank lid and attach the oil skim-
mer to the outer wall of the tank. Allow the stainless
belt to pick up all the floating oil in the wastewater
tank. Place a bucket under the downspout of the oil
skimmer to collect the oil.
The evaporator will operate continuously until 1) the
batch controller hits its predetermined number of
batch cycles. 2) the water gets too low in the waste-
water holding tank (auto fill option). 3) the water level
in the wastewater tank causes the bottom float to trip
off the burner. Once the liquid level float has risen,
the burner will automatically restart.

12 HBG EVAPORATOR OPERATOR’S MANUAL
HBG • 8.913-990.0-K
SETTING LIMIT CONTROL
Adjust the high limit control temperature accordiningly.
MAINTENANCE
CAUTION: Use protective gloves, goggles and any
other protective clothing required by law for chemi-
cals mixed with the waste stream.
The HBG does not require a lot of maintenance, but it
does require consistent maintenance. The frequency of
maintenance varies depending on what is in the water
that is being evaporated.
General maintenance consists of removal of sludge from
the bottom and removal of any floating oil at the top of
the evaporation tank.
WARNING - Shut down the HBG and allow it to cool
before performing any maintenance. Do not allow
pump to run longer than 5 minutes without water.
Disconnect all hoses to allow water to drain.
OIL REMOVAL - If you have excess floating oil in the
evaporation tank liquid that needs to be removed, shut
down the HBG and let the oil float to the top. Attach oil
skimmer to side of tank and plug into own power source.
Turn on the oil skimmer and collect oil in a bucket.
SLUDGE REMOVAL - Remove the lower 3" sludge
drain cap on the side of the evaporator allowing sludge
and water to escape. Use a small shovel to remove the
residual sludge from the bottom of the tank. Removing
the sludge and cleaning the floor of the evaporator will
greatly improve the evaporation rate.
NOTE: Allowing sludge to accumulate on the floor of the
HBG can cause warpage, corrosion and or heat stress to
the floor. A build-up of solids will cause the manual reset
high temperature switch to trip not allowing the burner
or pump to operate. Remove the sludge, refill the tank
and restart the machine.
WARNING: Allowing sludge to build up on the inside
floor of the HBG can cause warpage to the floor of
the tank and will void the warranty.
DRAFT INDUCER: On a monthly maintenance sched-
ule, cleaning of the fan blade fins and exhaust stacking
must be done to remove any sludge build-up that can
reduce the evaporation efficiency.To clean the fan blade
fins, start with the water cool and the fan switch on the
control panel in the off position. Next, remove the six tek
screws that attach the fan to the stack. Pull the inducer
fan away from stack and scrape debris from blade fins.
On reassembly, place a small bead of high heat silicone
around the outer edge of the inducer housing on each
tek screw to seal out any possible air leaks.
WEEKLY MAINTENANCE
1. Turn all power switches to the “OFF” position.
2. Allow the wastewater to cool.
3. Position a sludge container under the sludge valve.
Open the sludge valve and remove the remaining
waste liquid.
4. After every batch is complete, scrape the floor and
interior walls of the HBG tank, transferring the sludge
into the sludge container.
5. Remove any buildup that has accumulated on the
exterior of the tank and exhaust pipe.
6. Clean the liquid level floats, remove any accumula-
tion that may coat the floats and not allow them to
move freely.
7. Clean all three wastewater filter screens if auto fill
option is installed. (i.e. both inlet strainers and one
underneath the Parker solenoid brass cap)
8. If the evaporator is not in use at least twice per week,
then clean out and rinse with fresh water, and let sit
empty.
9. Check tank and lid for corrosion after each complete
batch.
500° for HBG-15 & HGB-30

HBG EVAPORATOR OPERATOR’S MANUAL 13
HBG • 8.913-990.0-K
HBG FUEL AND AIR SETTINGS
Natural Gas GPH Gas Orifice Inlet Gas Supply Pressure Man. Pressure Air Setting
HBG-15D 10 - 15 G (.261) 4.5 - 14 WCI 3 WCI Open Draft Wheel 6 Full Turns
HBG-30D 25 - 30 T (.468) 5.5 - 14 WCI 3 WCI Draft Open to 4
Liquid Propane GPH Gas Orifice Inlet Gas Supply Pressure Man. Pressure Air Setting
HBG-15D 10 - 15 #22 (.157) 11 - 14 WCI 5 WCI Open Draft Wheel 6 Full Turns
HBG-30D 25 - 30 Q - (.332) 5.5 - 14 WCI 5 WCI Draft Open to 8
SEMI ANNUAL MAINTENANCE
1. Check auto fill pump for proper pressure, flows and
electrical capacities.
2. Check auto fill floats for proper operation.
3. Oil the draft inducer motor bearings. Oil holes are
provided at front and rear faces of motor. CAUTION:
Not more than 3 drops of S.A.E. 20 oil should be
used.
4. Check tank and lids for corrosion.
5. Check burner for proper operation and gas
pressure.
AUTO FILL OPERATING
CHARACTERISTICS
The auto fill option consists of two level control switches
which control the fill pump. The lower level switch turns
the pump on. As the water level raises, the upper level
switch turns the pump off. The evaporator then evapo-
rates the water, which in turn lowers the water level past
the lower level switch, which turns the pump on and
starts the fill process.
NOTE: To engage the auto fill feature, push the pump
switch to auto. This will allow the pump to be controlled
by the auto fill float level switches. Pushing the pump
switch to manual will bypass the external N/O tethered
float in the wastewater holding tank.
AIR ASSISTED
DEFOAMER OPERATING
CHARACTERISTICS
The air assisted defoamer option consists of a metering
pump drawing up defoamer and a solenoid controlling the
air injecting the defoamer through a fan nozzle located
inside the wastewater tank. Set the three position switch
to “auto” and defoamer will then be injected every time
the machine refills. If more defoamer is needed, turn
adjustment screw, located under cover plate in front
of pump, clockwise to increase pump speed. Injecting
manually is also available. NOTE: The air pressure
needed to operate the defoamer must not exceed 2 psi.

14 HBG EVAPORATOR OPERATOR’S MANUAL
HBG • 8.913-990.0-K
Batch Cycle Counter Quick
Reprogramming Instructions
Function Settings
Reset Button. Push to restart machine after batch cycle completed.
Scroll Button. Push to select the different programming modes. Also
saves program values.
Vertical Scroll changes programming values.
Horizontal Scroll for multiple values. Also changes programming values.
▲
1. Pull face plate of batch cycle counter out of its holder in electrical box with your fingers . Dip switch #7,
located along left side (wall) of circuit board, needs to be switched to the down (OFF) position. This will
allow for reprogramming. Slide batch counter back into its holder.
2. Press button until LED screen in green shows ( #02 ). Push the ▲or button until the new
batch cycle count appears in green. Then press the button once to save the setting for preset 1.
3. Press button once more. The LED screen in green will show ( #02 ). Push the ▲or until the
value in green is the same value in preset 1. Press button to save setting for preset 2.
4. Remove batch cycle counter once again from its holder in the electrical box. Change the setting on dip
switch #7 to the up (ON) position. Slide the batch counter back into its holder in the electrical box.
NOTE: # stands for batch count value
Electrical Box
Holder
Pry Slot
Face Plate
Dip
Switches

HBG EVAPORATOR OPERATOR’S MANUAL 15
HBG • 8.913-990.0-K
13. Press button, (P1tr Ac) will appear in red.Value
(no) will appear in green. No change is necessary.
14. Press button, (Ac Out) will appear in red.
(-L-L-L) will appear in green. No change is necessary.
15. Press button, (OutrES) will appear in red.
(0.01SEC) will appear in green. No change is nec-
essary.
16. Press button, (OutPut) will appear in red.
(1t 0.10) will appear in green. No change is necessary.
17. Press button, (OutPut) will appear in red.
(2t 0.10) will appear in green. No change is necessary.
18. Press button, (OutPut) will appear in red.
(3t 0.10) will appear in green. No change is necessary.
19. Press button, (rEUOut) will appear in red.
(-n-n-n) will appear in green. Press button until middle
(-n) value is blinking. Press ▲ button until (-y) value is
showing.
20. Press button, (rEUAnu) will appear in red.
(-n-n-n) will appear in green. No change is necessary.
21. Press button, (OutP.uP) will appear in red.
(PPP) will appear in green. Press button until left
(P) value is blinking. Press ▲ button until (P) value
appears. Do the same for center and right, all values
should read (-P)
22. Press button, (USr In 1) will appear in red.
(rSt. -L) will appear in green. Press ▲ button until
(Pro.dis) appears.
23. Press button, (USr FI) will appear in red. (rst-
L) will appear in green. No change is necessary.
24. Press button, (CodE) will appear in red. Value
(0) will appear in green. No change is necessary.
25. Press button, (ScroLL) will appear in red. (no)
will appear in green. No change is necessary.
26. Press button, (FAcSEt) will appear in red. (no)
will appear in green. No change is necessary.
27. Press and hold button for 2 seconds. (Prog)
will appear in red and (SAVE) will appear in green.
To complete setting the batch counter, first pull the face
plate of the batch counter out of its holder with your fin-
gers. This will expose the internal circuit boards. Along
the left side (wall) circuit board are the dip switches.
These switches are numbered 1 through 7. Switches 2,
5, and 7 need to be in the up (ON) position.
Slide the batch counter back into its holder. Initial pro-
gramming of the batch cycle controller is now complete.
(NOTE: Programming cannot be performed if dip switch
#7 in the up (ON) position). If adjustment to the batch
cycle count value is to be reprogrammed, dip switch #7
needs to be in the down (OFF) position. When repro-
gramming is complete, set dip switch #7 back to the up
(ON) position).
INITIAL PROGRAMMING OF
BATCH CYCLE COUNTER
Function Settings
Reset Button. Push to restart machine after batch
cycle completed.
Scroll Button. Push to select the different pro-
gramming modes. Also saves program values.
Vertical Scroll changes programming values.
Horizontal Scroll for multiple values. Also changes
programming values.
NOTE: Original batch counter has been preset at
factory.
Programming
1. Press and hold button for 2 seconds. (Entry) will
appear in red. (Auto Sc) will appear in green. No change
is necessary.
2. Press button once, (Ac PSc) will appear in red.
(-L) will appear in green and does not need to be
changed.
3. Press button, (PSc ALr) will appear in red.
(1.00000) will appear in green and does not need to
be changed.
4. Press button, (dEc Pt) will appear in red.
(------) will appear in green. This value can't be changed.
5. Press button, (Cnt In) will appear in red. (Cl-ud)
will appear in green. No change is necessary.
6. Press button, (OPEr 1) will appear in red. (11) will
appear in green. Press button until (1) is showing.
7. Press button, (C2 ASn) will appear in red. (bAtch)
will appear in green. No change is necessary.
8. Press button, (OPEr 2) will appear in red. (1) will
appear in green. No change is necessary.
9.Press button, (Ac PrS) will appear in red.
(-y-y-y) will appear in green. Press button until the far
left (-y) value is blinking.To change, press ▲ button until
(-L) is showing. Press once, the middle (-y) value
will blink. Press ▲ button until (-n) is showing. Press
button once more and the far right (-y) will blink. Press
s button until (-n) is showing.
10. Press button, (PrESEt) will appear in red. The
value to set is predetermined from the wastewater anal-
ysis. This value is known as PRS1 (Preset 1). Press the
▲ or buttons to set the batch cycle value.
11. Press button, (PrESEt) will appear in red. This
value, PRS2 (preset 2), must be set with the same value
as (preset 1). Press the s or buttons to set value.
12. Press button, (PrESEt) will appear in red. This
is (preset 3) and must be set with the value 999999.
Press and hold the ▲ button until achieved.
▲

16 HBG EVAPORATOR OPERATOR’S MANUAL
HBG • 8.913-990.0-K
SETTINGS CHART
MODE VALUE SETTING
Entry Auto Sc
Ac PSc -L
PSc ALr 1
dEc In ------
Cnt Pt CI-ud
OPEr I 1
C2 ASn bAtch
OPEr 2 1
Ac PrS -L-n-n
PrESEt Customer batch cycle value
PrESEt Customer batch cycle value
PrESEt 999999
PltrAc no
Ac Out -L-L-L
OutrES 0.01SEC
OutPut 1t 0.10
OutPut 2t 0.10
OutPut 3t 0.10
rEUOut -n-y-n
rEUAnu -n-n-n
OutP.uP -P-P-P
USr InI Pro.dis
USr FI rst-L
codE 0
Scroll no
FacSEt no
Dip switches 2, 5, 7 are set in up (ON) position

HBG EVAPORATOR OPERATOR’S MANUAL 17
HBG • 8.913-990.0-K
INSTALLATION DIMENSIONS
HBG-15 HBG-30
29" to
Power
Supply
85-1/2"
51"
75"
10" Dia. Exhaust Stack
HBG-15
85-1/2"
21-1/4"
23-1/4"
6" Dia. Exhaust Stack
69"
15" To Pump
3-1/2"
To Gas Supply
42"
HBG-30
14-1/2" to Pump
Float Box
Float Box
29"
To Power
Supply
21-1/4"

18 HBG EVAPORATOR OPERATOR’S MANUAL
HBG • 8.913-990.0-K
36
EXPLODED VIEW
LEFT SIDE • HBG-15
18
7
5
23
6
4
3
20
42
21
22
24
8
9
45
10
16
44
13
34
2
43
35
1
16
17
10
40
39
15
27
62
57
41
11
56
38
61
10
12
29
48
59
For
Detail
See Control
Panel
For
Detail
See Float
Box Illus.
14
For
Detail
See Air
Defoamer
Option
Illus.
10
58
16
For Detail
See Float
Box Illus
42
36
41
47
16
63
64
65
Thermal
Switch
66

HBG EVAPORATOR OPERATOR’S MANUAL 19
HBG • 8.913-990.0-K
EXPLODED VIEW
RIGHT SIDE • HBG-15 50
54
51
10
16
55
16
10
55
52
26
16
14
49
30
33
32
31
53
19
25, 67
60
19
10
38
37
59
28
Reversed View
of Label
46
27

20 HBG EVAPORATOR OPERATOR’S MANUAL
HBG • 8.913-990.0-K
HBG-15 EXPLODED VIEW
PARTS LIST
ITEM PART NO. DESCRIPTION QTY
1 8.913-200.0 Panel, Front 1
2 8.913-201.0 Panel, Right Side 1
3 8.913-042.0 Bracket, Handle 1
4 8.913-041.0 Handle, Lid 1
5 9.803-049.0 Snap Bushing, 7/8" 2
6 8.706-572.0 Grip, 7/8" Handle 2
7 8.913-043.0 ▲ Lid, Top Inside Shell,
316L SS 1
8.913-045.0 Lid, Hinged Outside Shell 1
8.717-383.0 ▲ Insulation, Rigid Foam,
/Sq Ft, 1/2" x 24" x 33" 6 sf
8.707-404.0 ▲ Pad, HBG Lid, 1/4" 2
8 8.919-841.0 Hinge, 29.5", Door, SS 1
9 8.719-053.0 Rivet, 1/4" x 3/8" Grip,
Blind SS 15
10 8.718-812.0 Screw, Cap 10/32" x 3/4"
BH, HF, SS, Soc 52
11 8.715-192.0 Fan, Draft Inducer, D-3 1
12 8.913-199.0 Panel, Top, 316L SS 1
8.717-738.0 ▲ Flue Adapter, 6" 1
13 8.913-195.0 Tank Assembly, Carbon Steel 1
8.913-196.0 Tank Assembly, 316L SS 1
8.913-197.0 Tank Assembly, AL-6XN SS 1
8.913-178.0 ▲ Shovel, Clean Out 1
14 9.802-792.0 Nut, Cage, 3/8" x 12 Gauge 22
15 8.718-753.0 Screw, 1/4"-20 x 3/4" Phil
PH SS M/S 5
16 9.802-791.0 Nut, Cage, 10/32" x 16 Ga. 55
17 8.706-258.0 Pipe, Cap, 3" Black Pipe 1
8.706-261.0 Pipe, Cap, 3", 316LSS 1
8.707-229.0 ▲Valve, 3" Brass, Ball
(Optional) 1
18 8.900-841.0 Label, Water Maze Logo 1
19 9.800-006.0 Label, Hot/Caliente 2
20 8.900-584.0 Label, Steam Warning 1
21 8.913-176.0 Support, Lid Lock, HBG 1
ITEM PART NO. DESCRIPTION QTY
22 8.718-785.0 Bolt, 3/8" x 3/8" x 3/8"
SCKT 2
23 9.802-776.0 Nut, 5/16" ESNA 1
24 8.718-813.0 Screw, 10/32" x 1/2"
BH SOC, SS 15
25 8.717-099.0 Burner, P-250 AFEP, NG 1
8.717-101.0 Burner, P-250 AFEP, LPG 1
26 9.802-767.0 Screw, 3/8" x 3/4" HH,
NC Whiz 4
27 9.802-448.0 Conduit, Wtr Tight,
Flex 1/2" 12.5 ft
28 8.717-434.0 Insulation, 1" x 2" 2.39 sf
29 8.900-313.0 Label, Assembled in USA 1
30 8.913-198.0 Fire Box W/Insulation 1
31 9.803-138.0 Leveling, Foot Assembly 4
32 9.802-790.0 Nut, 1/2" Hex 4
33 9.803-517.0 Washer, 1/2" Lock 4
34 9.802-721.0 Bolt, 3/8" x 1", NC HH SS 18
35 9.802-808.0 Washer, 3/8" SS Flat 18
36 8.718-980.0 Washer, 5/16" 5
37 8.932-963.0 Label, Liquid Propane 1
8.932-964.0 Label, Natural Gas 1
38 9.802-203.0 Clamp, 1/2" RO, Clip 10
39 9.802-759.0 Screw, 10/32" x 1/2",
BHSOC 4
40 9.802-774.0 Nut, 1/4" ESNA, SS 5
41 8.718-618.0 Bolt, 5/16" x 3/4" 4
42 8.718-903.0 Nut, 5/16" x 12 Gauge, Black 5
43 8.913-204.0 Bracket, Electric Box 1
44 8.913-171.0 Panel, Left Side 1
45 8.913-202.0 Panel, Rear 1
46 8.716-547.0 Connector, 1/2" L/T St 1
47 9.802-517.0 Connector, 1/2 L/T 90° 1
48 8.913-205.0 Lid, Burner Cover 1
49 8.913-203.0 Cover, Burner Assembly 1
50 8.913-253.0 Side Panel, Left, Plenum
Heat Shield 1