USA Lab UHC Series User manual

UHC Series User Manual
UHC-10/40, UHC-20/40, UHC-50/40, UHC-100/40

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Index
Safety Precautions and Explanations
1. Important Information
1.1 Safety Notices
1.2 Features
1.3 Technical Parameters
2. Diagrams
3. Control Panel Operation
3.1 LCD Display Operation
3.2 Touch Display Operation
4. Installation
4.1 Included Items
4.2 Thermal Transfer Fluids
4.3 Tubing Connections
4.4 Electrical Connection
4.5 Operating Area
4.6 Operating Instructions and Notes
5. Maintenance
5.1 Periodic Maintenance
5.2 Long Term Storage
6. Technical Diagrams and Troubleshooting
6.1 Circuit Board Diagrams
6.2 Troubleshooting
7. Warranty Information and Coverages
7.1 Warranty
7.2 Return Policy
7.3 Notes

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Safety Precautions and Explanations
At USA Lab, safety is our number one priority. The following information provides
guidelines for safety when using USA Lab equipment. Any piece of machinery can
become dangerous to personnel when improperly operated or poorly maintained.
ALL employees operating and maintaining USA Lab equipment should be familiar
with its operation, thoroughly trained, and Instructed on the best safety practices.
Most industry accidents are preventable through safety awareness.
Training
It is the responsibility of the customer to ensure that all personnel who will be
expected to operate or maintain the equipment. Participate in training and
instruction sessions to become trained operators. All personnel operating,
inspecting, servicing, or cleaning this equipment must be properly trained in the
operation and machine safety. BEFORE operating this equipment, read the
operating instructions in this equipment manual. Become thoroughly familiar with
the machinery and its controls.

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Safety
•Ensure that all power sources are turned off when the machine is not in use. This encompasses electrical
and pneumatic power.
•Read the manual for any special operational instructions for each piece of equipment. All USA Lab
authored manuals are typically included with each device as well as posted online.
•Know how the equipment functions and understand the operating and halting processes.
•Wear the appropriate personal protective equipment for the task.
•When working on or around all equipment, avoid wearing loose clothing, jewelry, unrestrained long hair,
loose ties, belts, scarves, or articles that may be caught in moving parts. Keep all extremities away from
moving parts. Entanglement can cause death or severe injury.
•For new equipment, check input voltage and compare with the equipment voltage rating. DO NOT supply
the incorrect power to any equipment for any reason whatsoever. Electrical specifications for your
machine are printed on the machine tag. A properly grounded receptacle is required for safe operation
regardless of voltage requirements.
•Use this equipment only for its intended purpose.
•Keep the equipment operating zone free of obstacles that could cause a person to trip or fall toward an
operating machine. Keep fingers, hands, or any part of the body out of the machine and away from
moving parts when the machine is operating.
•Any machine with moving parts and/or electrical components can be potentially dangerous no matter
how many safety features it contains. Stay alert and think clearly while operating or servicing the
equipment. Be aware of operations and personnel in your surroundings. Be attentive to indicator lights,
warning lights, and/or operator interface screens displayed on the machine and know how to respond.
•Do not operate machinery if you are fatigued, emotionally distressed, or under the influence of drugs or
alcohol.
•Know where the FIRST AID SAFETY STATION is located.
•Know where the FIRE EXTINGUISHING EQUIPMENT is located.
•Never sit or stand on the machine or on anything that might cause you to fall against the machine.
•Rotating and moving parts are dangerous. Keep clear of the operating area. Never put any foreign object
into the operating area.
•Use proper lifting and transporting devices for heavy equipment. Some types of equipment can be
extremely heavy. An appropriate lifting device should be used.
•Use caution when moving portable equipment. In some cases, the machinery can be heavy and/or may be
top heavy. Portable equipment can gain momentum during transporting and must always be controlled.

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Symbols and Warnings
Below are examples of commonly used symbols and what they mean.
Understand them and their potential consequences.

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Section 1 | Important Information
1.1 Safety Notices
ONLY USE SILICONE OIL or DISTILLED WATER BLEND IN THE TANK.
(See section 4.1)
The use of Personal Protection Equipment (PPE) is REQUIRED.
Follow all federal, state, and municipal laws, codes, and ordinances.
Please make sure the power connection is correct and well-grounde0d. (See section 1.3)
Fluid lines should be unobstructed without any hard bends in the run.
Install gasket inside fittings before use. (See section 4.2)
Apply a rag to wipe the parts clean after washing away stains; do not use hard objects.
Do not use flammable, corrosive, or explosive substances on, in, or near the equipment.
Do not run the liquid pump dry, allow plenty of time to prime the pump.
The compressor imposes a 10-minute cool down before it will run again.
Do not allow the compressor to cycle more than 5 times per day.
Do not unplug the unit while it is running.
Install the equipment in a climate-controlled facility ONLY.
Never use a generator to power this equipment.
Do not change the length of the power cable.
Repairs must be made by USA Lab or by instruction from USA Lab.
If there is a problem, do not continue to use the chiller.
Contact us immediately.
USA Lab, Inc.
Main / Sales: [phone]
Tech / Dan: [phone]
Dave: [phone]

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1.2 Features
•The UHC Series of high-performance closed loop recirculating heater chillers, use internationally
recognized phase change compressors.
•The pump can move your transfer fluid quickly.
•Casters aid in the portability of the chillers.
•When connected to a reactor, the UHC can maintain consistent sub-zero or overboiling
temperatures.
•Large changes in temperature can be achieved rapidly with the plate heat exchanger.
•The included insulated metal flex hoses hold higher and lower temperatures.
•Clear and easy to read display.
•Touchscreen (only on select versions).
1.3 Technical Parameters
Model Specifications
UHC Series Specifications
UHC-10/40
UHC-20/40
UHC-50/40
UHC-100/40
Reservoir Capacity (L)
6L
12L
32L
Temperature Range (°C)
-40°C - 200°C
Power Requirements
(Phase / Volts / Amps)
Single / 220-
240V / 20A
Single / 220-
240V / 30A
Single / 220-
240V / 40A
Three / 240V /
41.6A
Plug Type (NEMA)
NEMA 6-20P
NEMA L6-30P
Hardwired Only
Heater Input (kW / A)
3 kW / 13.63 A
6 kW / 27.27 A
9 kW / 21.65 A
Compressor Input (kW / A)
2 kW / 9.09 A
7.4 kW / 17.7 A
Circulating Pump Input (W)
100W
280W
370W
Temperature Accuracy (°C)
± 2°C
Pump Flow Rate of Water
(L/min / GPM)
18.3 L/min | 4.8 GPM
40 L/min | 10.5
GPM
Pump Pressure (psi)
0.5 psi
≤ 31.9 psi
Pump Lift (m / ft)
6m | 18 ft
20m | 60 ft
Port Connection Size (NPT)
2x 3/4" National Pipe Thread
Dimensions (L x W x H)
25" x 22" x 42"
28" x 26" x 44"
46" x 32" x 55"
Product Weight (lbs)
187 lbs
197 lbs
264 lbs
556 lbs

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Reactor Compatibility Chart
Adapter Chart
JR-5
JR-10
JR-20
JR-50
RH-5L
1/2" Barb to 1/2"
MNPT
Adapter Not
Needed
Adapter Not
Needed
Adapter Not
Needed
RH-30L
1/2" Barb to 1/2"
MNPT
Adapter Not
Needed
Adapter Not
Needed
Adapter Not
Needed
RH-50L
NOT
COMPATABLE
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
UHC-10/40
NOT
COMPATABLE
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
UHC-20/40
NOT
COMPATABLE
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
UHC-50/40
NOT
COMPATABLE
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
UHC-100/40
NOT
COMPATABLE
NOT
COMPATABLE
NOT
COMPATABLE
3/4" MNPT to
1/2" FNPT
Adapter Chart
JR-100
JRE-10
JRE-20
JRE-50
RH-5L
NOT
COMPATABLE
Adapter Not
Needed
Adapter Not
Needed
Adapter Not
Needed
RH-30L
NOT
COMPATABLE
Adapter Not
Needed
Adapter Not
Needed
Adapter Not
Needed
RH-50L
Adapter Not
Needed
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
UHC-10/40
Adapter Not
Needed
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
UHC-20/40
Adapter Not
Needed
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
UHC-50/40
Adapter Not
Needed
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
3/4" MNPT to
1/2" FNPT
UHC-100/40
Adapter Not
Needed
NOT
COMPATABLE
NOT
COMPATABLE
3/4" MNPT to
1/2" FNPT
This chart is a recommendation not a requirement.

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Section 2 | Diagrams
Fluid Line Connection Diagram

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Front Panel and Connection Side Diagram

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Front Panel Types (Note: Gauges on
LCD Display:
Touchscreen Display:

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Section 3 | Control Panel Operation
3.1 LCD Display Operation
[ Prior to running the chiller, your fluid loop should be setup and the tank filled ]
Press Set (14) to enter the temperature set menu. Adjust the value using the Up (15) or Down (16). Then
Press Set (14) again to save the desired value (5). Next press Loop (10), then Cooling (11) and Heating
(12). This turns on the fluid pump, heating, and cooling.
Disclaimer –Parameters are not allowed to be modified by end users. This is to protect the equipment
from accidental damage. Modifying parameters for any reason, without our knowledge and
permission will constitute a void of the warranty.

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3.2 Touchscreen Display Operation
To change the temperature setting press the numbers within the SET field (6). The screen will change to
the below.
Enter the temperature value you would like. Then press OK.
Disclaimer –Parameters are not allowed to be modified by end users. This is to protect the equipment
from accidental damage. Modifying parameters for any reason, without our knowledge and
permission will constitute a void of the warranty.

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Section 4 | Preparing for installation
4.1 Included Items If you are missing any items contact us.
4.2 Thermal Transfer Fluids
Recommended: High performance silicone oil (-40°C –200°C)
Alternative: Propylene Glycol + Distilled Water | Ratio: PG 60% : DW 40% (-40°C –110°C)
Do Not Use Automotive Anti-freeze, it contains additives that have been known to corrode heat
exchangers and remove the nickel plating.
Do Not Use Tap, De-Ionized, or Reverse Osmosis Water,as it can cause rusting of internal metal parts.
4.3 Tubing Connections
Install the ball valve onto the outlet port of the chiller. Then connect the ¾” MNPT x ¾” MNPT fitting
onto the end of the ball valve. Ensure both the outlet port and the fitting have PTFE thread tape on the
threads no less than 4 wraps. (ball valve and fitting included in the manual pouch)

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Then add the red fiber gaskets to the ends of the hoses (included in the manual pouch). Install one end
of one hose to the fitting you just assembled. The other end goes to the lowest port of the reactor
jacket. With the second hose, connect it to the highest port on the reactor jacket. Then the final
connector goes to the inlet of the chiller. See below.

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4.4 Electrical Connection
Each unit has its own power requirements, please understand their differences. This unit must be
operated on its own circuit Installed by a licensed professional.
Plugs:
UHC-10/40 | NEMA 6-20P
UHC-20/40 | NEMA L6-30P
UHC-50/40 | Single phase quick disconnect panel
UHC-100/40 | Three phase quick disconnect panel
4.5 Operating Area
Always leave 12-16 inches around the unit. Obstructing the ventilation will cause poor performance or
part failure. Always keep the operating area clean and organized to prevent injury or damage.

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4.6 Operating Instructions and Notes
Only operate the unit in a climate-controlled facility. Operating temperature is 70°F or 20°C. If the
temperature exceeds 80°F or 26°C performance will be degraded.
Units returned that have signs of outside use. Will automatically be determined to be improperly used
and cared for.
Wait 12-hours after receiving shipment before operating the equipment. This gives the compressor oil a
chance to settle back inside the compressor.
When filling the unit and/or a reactor:
•Power on the unit.
•Fill the tank ¾ full.
•Open the ball valve and turn on the fluid pump.
•Continue to fill the tank watching the level. Do not allow level to drop below 1/4.
•When the jacket is full and the tank reaches the 1/2 way point stop filling.
•Close the lid and follow the priming instructions.
Priming instructions:
•Power on the unit.
•Open the ball valve.
•Run the pump.
•Wait for 30 minutes to allow the air bubbles to empty from the pump.
•Then shut off the pump and close the ball valve.
Operating notes:
When using the unit always enable the pump first. Then enable the cooling AND heating functions. Both
must be used to keep temperature accuracy. Otherwise, the temperature may overshoot the set point.
When not operating the unit, close the ball valve and shut off the power.
Operating steps:
•Power on the unit.
•Open the ball valve.
•Run the pump.
•Set the target temperature.
•Enable cooling and heating.
•Run until the process is complete.
•Then shut off the pump and close the ball valve.
(failure to close the valve will cause the tank to overflow)
If you have any questions on how to operate the unit further, contact the technical department.

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Section 5 | Maintenance
Shut off the power switch AND disconnect the power cord before any maintenance.
Use a damp soft cloth to wipe clean. Stubborn stains should be cleaned by neutral detergents.
The maintenance of internal electrical and heating parts must be performed by professionals or trained
electricians.
Do not directly splash water over the product or use abrasive powder, diluent, oil, kerosene, acidic
material, and similar substances during cleaning, or else shock or other accidents will occur.
5.1 Periodic Maintenance
Fluid:
If using Silicone Oil, degradation is not much of a concern. Keep an eye on the tank level.
Propylene Glycol will degrade over time, it is recommended to purchase glycol test strips.
Condenser:
Check and clean the condenser regularly. Every quarter for low dust facilities or every month for high
dust facilities.
Unit:
Check the unit over monthly for leaks, broken glass, melting, burning, or any other damages.
Please bring any concerns to our attention immediately.
5.2 Long Term Storage
Empty the unit of fluid.
Cap the inlet and outlet.
Clean the condenser.
Clean the body of the unit.
Wrap the unit with plastic.
Store in a secure level location.

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Section 6 | Technical Diagrams and Troubleshooting
6.1 Circuit Board Diagrams
Main Board
Display Board

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6.2 Troubleshooting
Problem
Cause
Solution
No power
A. Not plugged in.
B. No power supplied from outlet.
C. Outlet has power, unit does not.
D. Breaker tripped.
E. Power randomly turns off.
A. Plug unit in.
B. Reset breaker in the front panel or at
service panel.
C. Verify no power at circuit breaker in front
panel.
D. Reset breaker in the front panel or at
service panel.
E. Check screws inside of the plug, tighten if
necessary.
Temperature
display is
incorrect
A. Probe wire is loose.
B. Temperature probe has a short.
C. Main board has failed.
A. Tighten probe. Refer to T1 or T2 on the
main board diagram.
B. Replace temperature probe.
C. Replace main board.
Temperature
display not
working
correctly or
flashing
A. Incorrect power supply.
B. Display cable loose or broken.
C. Display board has failed.
A. Supply the correct power to the unit.
B. Re-seat or replace the display cable.
C. Replace the display board.
Shock from the
shell of the unit
A. System ground fault.
B. An electrical component has
failed.
A. Repair fault to ground.
B. Contact us for further troubleshooting.
Not cooling
A. Cooling not enabled.
B. Condenser fan not spinning.
C. Compressor won’t turn on.
D. Compressor is louder than
normal, bad.
E. Refrigerant leaked out.
A. Enable cooling.
B. Clean condenser and replace the fan.
C. Check the relay and the start capacitor.
D. Check the windings for a short to ground.
E. Contact us for further troubleshooting.
Cooling slowly
A. Compressor stopped running.
B. Condenser fan running slowly.
C. Incorrect glycol ratio.
D. Capillary or refrigerant clogged.
E. Liquid pump not primed.
F. Load is greater than the unit can
handle.
A. Wait for compressor delay to end.
B. Replace condenser fan.
C. Change the fluid to the correct ratio.
D. Contact us for further troubleshooting.
E. Re-prime the liquid pump.
F. Reduce the load on the unit.
Not heating
A. Heating not enabled.
B. Heating won’t turn on.
A. Enable heating.
B. Check the relay and the over temperature
safety dial.
Boiling /
Smoking
A. Temperature set too high (glycol
only)
B. Heating not increased slowly.
A. Reduce temperature below 110°C or switch
to silicone oil.
B. Increase the temperature slowly by 5°C
increments.