ThermoFlex-Manual - 第47页

Section 3 ThermoFlex 3-9 Thermo Scientiﬁc Plumbing Requirements Ensure that all shipping plugs are remov ed before installation. Never connect the process uid lines to y our facility water supply or any pressuriz ed liq…

Section 3

3-8 ThermoFlex

Thermo Scientiﬁc

Hard Wire Installation

For personal safety and equipment reliability, only a qualied

technician should perform the following procedure.



Note The technician is responsible for installing circuit protection for

incoming power. Before wiring consult the nameplate on the rear of the

chiller. Ensure installation is in accordance with the National Electrical Code

and any other applicable country and local codes.



For ThermoFlex900 through 10000 chillers

Remove the six screws securing the electrical box cover to the chiller.•

Remove the double knock out ( •

" and 1

").

Insert the cable through the hole.•

Refertothelabelintheelectricalboxtocongureyourchiller,seeFigure3-3.•

Secure the cable's ground wire to the ground stud.•

Reinstall the cover.•

For ThermoFlex15000, 20000 and 24000 chillers

Removethevescrewssecuringtheelectricalpaneltothechiller.•

Refertothelabelintheelectricalboxtocongureyourchiller,seeFigure3-3.•

Secure the cable's ground wire to the ground stud.•

Reinstall the panel..•

(2)

Terminal Block

Ground Stud

Knock Out

(2)

Figure 3-2 Electrical Box

Figure 3-3 Sample Label

WARNING

Section 3

ThermoFlex 3-9

Thermo Scientiﬁc

Plumbing

Requirements

Ensure that all shipping plugs are removed before installation.

Never connect the process uid lines to your facility water supply or

any pressurized liquid source. 

To prevent damage to the chiller's plate exchanger, centrifugal pumps

require a 4.0 gpm (15.1 lpm) minimum ow rate.



P 1 and P 2 pumps are capable of producing 185 psig. Ensure your

plumbing is rated to withstand this pressure at your operating

temperature. An external pressure relief valve is available, see Section 5.



Note Ensure your plumbing installation develops a back pressure to the





 

labeled

(PROCESS OUTLET) and ().

Process Fluid Connections (FNPT)

Outlet

ThermoFlex900 - 10000 P 1 P 2 T 0 T 1 1/2" cast bronze

ThermoFlex3500 - 5000 P 3 P 4 3/4" cast bronze

ThermoFlex7500 - 24000 P 3 P 5 T 5 1" wrought copper

   

Supplied Adapters

P 1 P 2 T 0 T 1 1/2" x 3/8'' Polyethylene and 1/2" x 1/2" Nylon

P 3 P 4 3/4 MPT x 1/2 barb PVC

P 3 P 5 T 5 1" MPT x 1" Barb PVC and 1" MPT x 3/4" Barb PVC

CAUTION

1/4" Female NPT Riton Reservoir

Drain Plug

See Section 2 for the speciﬁc

locations on your chiller.

Figure 3-4 Typical Plumbing Connections (1 of 2)

DRAIN

Stainless steel outlet connection for chillers

with P 1/P 2 pumps and a ﬂow transducer

Section 3

3-10 ThermoFlex

Thermo Scientiﬁc

Water-cooled Chillers

For water-cooled chillers the facility water plumbing connections are also located

on the rear and are labeled

 

OUTLET. The connections are ½" Female NPT for ThermoFlex900 -

5000, ¾" Female NPT for ThermoFlex7500 - 24000. Both connections

for ThermoFlex900 to 10000 are cast bronze. The supply connections for

ThermoFlex15000 to 24000 are cast bronze, the return connections are stainless

steel.

Connect the

 to your facility water supply. Connect

the

 to your facility water return or drain. Ensure



 

tape is used, ensure the tape does not overhang the



Connect the

PROCESS OUTLET to



 

your application. Ensure all connections are

secure and that the proper sealant/lubricant

 

tape

is used, ensure the tape does not overhang the





and the instrument being cooled as short as

possible. Ensure tubing is straight and without

 

make them at the inlet and outlet of your

application, not at the ThermoFlex.

Figure 3-4 Typical Plumbing

Connections (2 of 2)

Process Fluid Flow

Application

Figure 3-5 Typical Plumbing Connections, Water-cooled Chillers

See Section 2 for the speciﬁc

locations on your chiller.