Ideal Vacuum ExploraVac Series User manual
SM-HUB7-09272023 - V 1.0.2
Installation Guide
ExploraVac Systems with
Huber Unistat Systems
(refrigerated heating circulators)
SM-HUB7-09272023 - V 1.0.22
Ideal Vacuum warrants to the original purchaser, this product to be free from defects in workmanship
and materials for a period of one year from the original delivery date. The liability of Ideal Vacuum,
under this warranty, is limited to servicing, adjusting, repairing or replacing any unit or component
part which, at Ideal Vacuum’s sole discretion, is determined to have failed during normal, intended
use. This warranty does not cover improper installation, process related damage, product use
in any way other than dened in this manual, or any misuse, abuse, negligence, accident, or
customer modication to the product.
Prior to returning any product, we require that you contact us by phone or email to determine if
the issue can be resolved quickly. A technical support representative will work with you to resolve
the problem. If the issue cannot be resolved in that manner, we will issue an RMA number and
provide product return instructions.
THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED,
INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY AND THE IMPLIED
WARRANTY OF FITNESS FOR USE OR FITNESS FOR A PARTICULAR PURPOSE. IDEAL
VACUUM SHALL NOT BE LIABLE UNDER ANY CIRCUMSTANCES FOR INDIRECT,
SPECIAL, CONSEQUENTIAL OR INCIDENTAL DAMAGES ARISING OUT OF THE USE OF
THE PRODUCT. THE TOTAL LIABILITY OF IDEAL VACUUM SHALL NOT EXCEED THE
PURCHASE PRICE OF THE PRODUCT UNDER ANY CIRCUMSTANCES.
CUSTOMER SERVICE AND SUPPORT
If you have any questions concerning the installation or operation of this equipment, or if you
need warranty or repair service, please contact us. Customer Service and Technical Support is
available weekdays, from 8am-5pm, Mountain Time.
Phone: (505) 872-0037
Fax: (505) 872-9001
Web: idealvac.com
INTELLECTUAL PROPERTY
At Ideal Vacuum we constantly strive to innovate and improve on existing products. Therefore,
specications and information are subject to change without notice. The Ideal Vacuum Logo is
a registered trademark, ExploraVAC, AutoExplor, and the slogan “Our Products Develop
Tomorrow’s Technologies” are trademarks of Ideal Vacuum Products, LLC. Unistat is
a registered trademark of Peter Huber Kältemaschinenbau AG. Swagelok is a registered
trademark of The Swagelok Company. Armaex is a registered trademark of Armacell
International. Reference to products, trademarks, and registered trademarks owned by other
manufacturers is made strictly for informative purposes and are the sole properties of their
respective owners.
Copyright © 2023, Ideal Vacuum Products, LLC. All rights reserved.
WARRANTY
SM-HUB7-09272023 - V 1.0.23
TABLE OF CONTENTS
Warranty .......................................................................................................................................2
Customer Service and Support..................................................................................................2
Intellectual Property....................................................................................................................2
Table of Contents ........................................................................................................................3
Safety............................................................................................................................................4
Important Safety Information.....................................................................................................4
1. Overview ..................................................................................................................................4
2. Before you Begin - Important Information............................................................................5
3. Installation ...............................................................................................................................6
4. Connect Power and Communication Cables......................................................................12
5. Fill with Thermal Fluid ..........................................................................................................13
6. Initial Start Up........................................................................................................................14
7. Circulate Thermal Fluid ........................................................................................................15
8. Fluid Draining Procedure .....................................................................................................18
9. Degassing procedure ...........................................................................................................20
TABLE OF CONTENTS
SM-HUB7-09272023 - V 1.0.24
SAFETY
IMPORTANT SAFETY INFORMATION
Thank you for purchasing this equipment from Ideal Vacuum Products. We want you to operate
it safely.
hRead this manual and all associated equipment manuals before
installing or operating this equipment. Failure to follow the warnings
and instructions may result in serious injury or equipment damage.
hKeep this manual in a safe location for future reference.
hThis equipment should only be installed and operated by trained,
qualied personnel, wearing appropriate protective equipment
including gloves and safety glasses.
hFollow all codes that regulate the installation and operation of this
equipment.
1. OVERVIEW
This guide provides step-by-step instructions for connecting the standalone Huber 705 and 815
uid hoses to the ExploraVac instrument. It also includes instructions for lling and draining the
thermal uid, and the Huber systems initial startup procedure.
Huber Unistat refrigerated heating circulators provide heating and cooling of an ExploraVac platen.
Three models are available: Model 405 for temperatures between -40°C to +225°C, Model 705,
for temperatures from -60°C to +225°C, and Model 815, for temperatures from -65°C to +225°C.
All are delivered with a measured quantity of thermal uid.
The Huber system attaches to the ExploraVac platen via red insulated Swagelok® supply and
return lines. The 405 model is housed in the ExploraVac Standard or ExploraVac MAX stand. It
arrives completely plumbed and wired.
Huber 705 and 815 models are standalone and are positioned either behind or to the side of the
ExploraVac instrument. A minimum of 5 ft. of additonal space is needed behind or to the side of
the Exploravac for clearance (see Datasheets for footprint).
With 705 and 815 models, the communication cable, power cable, and uid circulating hoses are
attached at or through the back of the ExploraVac instrument. Fluid hoses are attached on the
ExploraVac side at the factory. Before use, hoses must be connected and insulated at the Huber
unit, and the unit must be lled with thermal uid.
The Unistat 705 is powered by the ExploraVac. The Unistat 815 requires 440-480 VAC and
requires a separate power feed.
SM-HUB7-09272023 - V 1.0.25
Do not power or run the ExploraVac or Huber system until the uid hoses are connected
and insulated and the Huber system is lled with thermal uid.
The Huber 405 system turns on when the AutoExplor POWER button is pressed.
Huber 705 and 815 models must be turned on separately.
To maximize longevity and minimize wear and tear on the Huber refrigerated heating circulator
system, follow these guidelines:
hUpon receiving power, the Huber system takes 50-60 seconds to initialize and run its internal
diagnostics. Wait for it to complete its startup cycle before turning on platen heating or cooling.
hIf the ExploraVac POWER button is pressed while the Huber is in its startup cycle, the ExploraVac
will wait (go into a standby mode) to power down until the Huber startup cycle is completed.
hIf the Huber system is in temperature control mode when the POWER button is pressed, the
Huber must rst stop circulating the thermal uid before it will allow the ExploraVac system to
power down. This takes approximately 30 seconds.
Things to do:
hAvoid running the Huber circulator for less than 5 minutes.
hAlways use the POWER button in AutoExplor to turn off the system.
h Pressing the emergency stop while thermal uid is circulating can damage the Huber.
hDO NOT USE THE EMERGENCY STOP UNLESS IT IS AN EMERGENCY.
hOn dual platen systems, manual valves are installed in the thermal uid lines. These are provided
in case the user wants to heat or cool just one platen. When using only one platen, close the
valve on the non-selected platen uid outlet, and crack its uid inlet valve slightly. This allows
for thermal expansion of the uid but uid does not drain from the tubes or the second platen.
Closing both valves completely can cause high tube pressures.
Download and read the Huber Unistat Operation Manual to
completely familiarize yourself with the capabilities of your system:
idealvac.com/les/manuals/Huber_Unistat_Operation_Manual.pdf
2. BEFORE YOU BEGIN - IMPORTANT INFORMATION
6SM-HUB7-09272023 - V 1.0.2
The Model 705 and 815 are connected
similarly (Model 705 connections shown).
You will need:
h7/8” or adjustable wrench
h13/16” or adjustable wrench
hDiagonal Cutters
hHuber installation kit (included with system)
On the back of the Huber system are two
pre-installed Swagelok 90° elbows on the
thermouid in and thermouid out ports.
Remove the protective caps. Connect the
end of one hose to one of the elbows. It does
not matter which. Use a 13/16” wrench to
hold the elbow and a 7/8” wrench to turn the
nut. Tighten 1/4 turn past snug.
Connect the second hose similarly.
7/8” wrench
on nut
13/16” wrench
on elbow
Hose from
ExploraVac
Fluid in or
uid out port
For external Model 705 and 815 systems, follow the directions beginning with Step 1, below. If the
ExploraVac has a built-in Huber Model 405 system, jump to Section 5, p. 13.
3. INSTALLATION
STEP 2
STEP 1
The Huber installation kit includes:
hA 10 ft. long DB 15 male-to-
male communications cable
hFunnel for lling thermal uid
h(2 ea) strips of ceramic ber insulation
h(2 ea) strips of ceramic ber insulation
h(2 ea) strips of ceramic ber insulation
h(8 ea) zip ties
h(8 pc) Armaex adhesive backed strips
h(2 pr) Nitrile gloves
7SM-HUB7-09272023 - V 1.0.2
STEP 3
Note: The insulation can be a skin irritant.
Put on gloves and safety glasses.
In this image, the lower 705 hose has already
been insulated.
In the next steps, the upper hose will be
insulated and wrapped.
Note: Hose connections on Model 815 units
are located towards the top of the unit.
STEP 4
Get a strip of insulation.
Begin wrapping it around the pipe, starting
where the pipe exits the Huber.
8SM-HUB7-09272023 - V 1.0.2
STEP 5
Continue wrapping the insulation around the
pipe.
Try to keep it tight.
It can be challenging to slip it between the
two hoses. Take your time.
Finish wrapping the insulation so that it
completely covers all exposed pipe including
over the reduced diameter section of the
Swagelok hose.
STEP 6
9SM-HUB7-09272023 - V 1.0.2
STEP 7
Get a piece of the Armaex adhesive strip.
Remove the backing.
Begin to wrap the strip over the insulation,
starting at the hose end.
Note: It may be helpful to cut the strips in half
with scissors to make it easier to get the strip
in between the two hoses.
STEP 8
Continue wrapping Armaex strips over the
ceramic insulation.
Overlay successive strips so that no
insulation is exposed.
10 SM-HUB7-09272023 - V 1.0.2
STEP 9
Finish wrapping Armaex strips over the
insulation. Wrap the strips right against the
Huber enclosure.
STEP 10
Get the zip ties.
Put one on the last strip close to the Huber
enclosure.
Use the diagonal cutters to clip off the end.
11 SM-HUB7-09272023 - V 1.0.2
STEP 11
Put another zip tie at the elbow and clip off
the end.
STEP 12
Put a third zip tie on the strip at the hose end
and clip off the end.
Insulate the second hose just like the rst.
(Repeat steps 4-12).
Hose insulation is complete.
12 SM-HUB7-09272023 - V 1.0.2
Get the DB15 cable from the installation kit.
Plug it into the J24 connector at the back of
the ExploraVac.
The Huber 705 power cable with a 220V
NEMA 6-15P plug is plugged into the J6
receptacle on the panel.
STEP 14
STEP 13
The Unistat 705 is powered by the ExploraVac. The Unistat 815 requires a separate 440-480 VAC
@ 60Hz, 15A circuit.
4. CONNECT POWER AND COMMUNICATION CABLES
Exploravac
back panel for
Huber 705
Exploravac
back panel for
Huber 815
Plug the other end of the DB15 cable into the
communications port on top of the Huber.
SM-HUB7-09272023 - V 1.0.213
Get the funnel and the thermal uid from the
Huber installation kit.
Unscrew the ll plug.
Note: For onboard Huber systems (Model
405), the ExploraVac left side panel must be
removed. Use a 4mm or 5/16” hex wrench.
STEP 16
STEP 15
A measured quantity of thermal uid is included with any ExploraVac with a Huber Unistat system.
5. FILL WITH THERMAL FLUID
Pour the thermal uid into the Huber. The jug
has a ll line marked. Pour until the uid is at
the line. Do not overll. There will be some
uid left over.
Screw in the ller plug.
SM-HUB7-09272023 - V 1.0.214
On Huber 705 and 815 external systems,
turn the power switch clockwise to turn it on.
Forall Hubersystems,rotate theExploraVac’s
main power switch/system disconnect
clockwise to energize the ExploraVac.
STEP 18
STEP 17
The ExploraVac and Huber system can be energized once the Huber has been lled with thermal
uid and the power and communication cables are connected.
6. INITIAL START UP
On standard ExploraVac systems, press the
console POWER button.
On ExploraVac MAX or UNLIMITED systems,
press the POWER icon in AutoExplor.
Note: Internal Huber 405 systems
automatically start when the ExploraVac is
energized and the console power button or
AutoExplor POWER icon is pressed.
The Huber system will perform its initialization
process for about one minute.
SM-HUB7-09272023 - V 1.0.215
7. CIRCULATE THERMAL FLUID
Once thermal uid has been lled and the ExploraVac and Huber system is on, the Huber system
must circulate the thermal uid through the uid lines and platen to eliminate any air pockets.
On the Huber home screen, press MENU.
STEP 19
STEP 20
At the Categories Menu screen, press
Temperature control.
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STEP 22
At the Start/Stop screen, press Start
Circulation.
It will become highlighted. Press OK.
Then, press the Home button at the bottom
left of the screen.
STEP 21
At the temperature Control screen, press
Start/Stop.
17 SM-HUB7-09272023 - V 1.0.2
When fully primed, the uid level decreases
in the sight glass from when it is rst lled
(starting level ≈ 75%) to its normal operating
level (about a third of the sight glass).
Commissioning is complete and the
ExploraVac can be run normally. Use the
ExploraVac Temperature Setpoint Controller
to vary the platen temperature (see the
ExploraVac and AutoExplor user manuals).
starting
level
operating
level
STEP 24
STEP 23
At the Home screen in the top right, the
machine will show the pump circulating.
It takes about a minute for the circulating
pump to get up to full speed.
Watch for uid leaks. If there is a leak,
immediately turn off the Huber system and
the ExploraVac. Correct the leak.
Note: Also in the top right the uid level is
displayed.
Allow the machine to circulate uid for about
5 minutes. Then, press Stop.
SM-HUB7-09272023 - V 1.0.218
The Huber system should not need to be
drained or relled unless it is going to be
transported or if a uid line develops a leak.
The main reservoir drain is on the side of the
machine where the hoses connect.
On the 705, The drain valve is on the bottom
left of the machine’s face.
Tools and supplies needed:
hpair of pliers
hlarge at screwdriver or coin
hdrain pan
hisopropyl alcohol (IPA)
hpaper towels
Get the drain pan and put it under the drain.
If the uid will be reused, make sure that the
pan is very clean (use IPA to clean the pan).
Note: On the 705, draining the tank is easier
if the Huber system is a few inches off the
oor. Here it is on a rolling cart. The 805
drain is in the middle of the machine.
Unscrew the drain plug.
Fluid will not drain yet, even with the plug
removed.
Note: The plug may be very tight. Use a pair
of pliers to loosen if needed.
STEP 19
reservoir
drain
drain
valve
expansion
tank
drain
8. FLUID DRAINING PROCEDURE
Once the Huber has been lled with thermal uid and the ExploraVac and Huber system are powered
on, uid must be circulated through the uid hoses and platen tubes to bleed air from the system.
STEP 25
STEP 26
19 SM-HUB7-09272023 - V 1.0.2
STEP 27
Get a large at head screwdriver.
Slowlyrotatethe drainvalvecounterclockwise
about 1/8 to 1/4 turn to open it.
STEP 28
Fluid will begin to drain from the system.
Allow it to drain for several minutes until
empty.
Close the drain valve. Replace the drain
plug.
Note: On 815 systems, drain both uid
reservoirs (below).
20 SM-HUB7-09272023 - V 1.0.2
STEP 29
If the unit needs to be moved or transported,
the platen and uid hoses might have to be
drained.
First, disconnect the hoses:
Cut the zip ties and remove the hose
insulation from both uid lines.
Place the drain pan under the hoses.
Use a 7/8” and a 13/16” wrench to disconnect
the rst hose from the elbow.
Once one hose is disconnected, drain it into
the pan.
Repeat for the second hose.
Place caps on both hose ends.
STEP 19
When the Huber is lled with uid, the uid can become aerated and may need degassing. The
Huber will generate an error if degassing is needed.
STEP 30
9. DEGASSING PROCEDURE
Follow the procedure described on p. 72 of
the Huber Operation Manual to degas the
thermal uid.
Download the Huber Operation Manual:
idealvac.com/les/manuals/Huber_Unistat_
Operation_Manual.pdf
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