Taco Comfort Solutions 4900 Series Instruction Sheet

SUPERCEDES: December 8, 2014
Installation, Operation & Maintenance Manual
SUPERSEDES: September 15, 2015
Plant ID No. 001-5043
SUPERCEDES: December 8, 2014
WARNING: FAILURE TO COMPLY WITH THESE INSTRUCTIONS
All Taco 4900 series separators are designed and fabricated in
WARNING: FAILURE
REGARDING THIS PRODUCT CAN RESULT IN SERIOUS PER-
accordance with the ASME Code for Unfired Pressure Vessels,
INSTRUCTIONS
SONAL INJURY OR DEATH AND/OR SEVERE PROPERTY DAMAGE.
RESULT IN SERIOUS PERSONAL INJURY OR DEATH AND/
Sect. VIII Div. 1.
OR SEVERE PROPERTY DAMAGE.
Prior to shipment all separators are hydrostatically tested to 1.3
times their rated working pressure and accepted by an indepen-
All Taco 4900 series separators are designed and fabricated in
dent insurance inspector.
Taco 4900 series separators are designed and fabricated to ASME Code
accordance with the ASME Code for Unfired Pressure Vessels,
for Unfired Pressure Vessels, Sect. VIII Div. 1.
Upon receipt of each separator, the shipping container should be
Sect. VIII Div. 1.
Prior to shipment all separators are hydrostatically tested to 1.3 times their examined for external damage. If the shipping container has been
Prior to shipment all separators are hydrostatically tested to 1.3
rated working pressure and certified by an independent Authorized inspec-
damaged in transit, the contents of the packaging should also be
times their rated working pressure and accepted by an indepen-
tor.
examined prior to acceptance of the shipment. If the separator
dent insurance inspector.
Upon receipt of each separator, the ship-
Upon receipt of each separator, the shipping container should be
ping container should be examined for
examined for external damage. If the shipping container has been
external damage. If the shipping container
damaged in transit, the contents of the packaging should also be
has been damaged in transit, the contents
of the packaging should also be examined examined prior to acceptance of the shipment. If the separator
prior to acceptance of the shipment. If the
separator appears to be damaged the
shipment should be refused and or signed
for as damaged. If the separator is dam-
aged, the local Taco representative should
be contacted for further instructions.
appears to be damaged the shipment should be refused and or
WARNING: DO NOT BRAZE PIPING TO THE NOSE OF THE VENT; signed for as damaged. If the separator is damaged, the local Taco
PERMANENT DAMAGE WILL OCCUR TO THE AIR VENT INTERNAL
representative should be contacted for further instructions.
PARTS.
WARNING: DO NOT BRAZE PIPING TO THE NOSE OF THE
INSTALLATION
VENT; PERMANENT DAMAGE WILL OCCUR TO THE AIR
appears to be damaged the shipment should be refused and or
TO BE INSTALLED BY PROFESSIONAL INSTALLERS ONLY VENT INTERNAL PARTS.
signed for as damaged. If the separator is damaged, the local Taco
representative should be contacted for further instructions.
4900A – Air Separators
Taco 4900A series separators are designed for installation in hydronic
WARNING: DO NOT BRAZE PIPING TO THE NOSE OF THE
systems. The purpose of the 4900A separator is the removal of air from
VENT; PERMANENT DAMAGE WILL OCCUR TO THE AIR
the heating or chilled water system. In a heating system application the
VENT INTERNAL PARTS.
separator should be mounted in the piping as close as possible to the exit
INSTALLATION
of the boiler and upstream of the pumps in the system. These units are
not designed to withstand external piping loads which may be transmit- Taco 4900A series separators are designed for installation in
TO BE INSTALLED BY
ted to the nozzles from the piping system. Should external piping loading
hydronic systems. The purpose of the 4900A separator is the
PROFESSIONAL INSTALLERS ONLY
requirements be present, confirmation from Taco's Design Engineering
removal of air from the heating or chilled water system. In a heating
department regarding the suitability of the separator's design should be
4900A – Air Separators
system application the separator should be mounted in the piping
obtained prior to installing this product. External piping must be supported
as close as possible to the exit of the boiler and upstream of the
within the design of the external piping system.
Taco 4900A series separators are designed for installation in
pumps in the system. These units are not designed to withstand
hydronic systems. The purpose of the 4900A separator is the
When separators are installed, care should be taken to allow access to
external piping loads which may be transmitted to the nozzles from
the ASME name plates, air vent (located at the top of each separator), removal of air from the heating or chilled water system. In a heating
the piping system. Should external piping loading requirements be
flushing cock (located at the side of each unit) and drain plug (installed in
system application the separator should be mounted in the piping
present, confirmation from Taco's Design Engineering department
the bottom of each unit).
as close as possible to the exit of the boiler and upstream of the
regarding the suitability of the separator's design should be
All piping to each separator should be installed full size, to match the ves-
pumps in the system. These units are not designed to withstand
obtained prior to installing this product. External piping must be
sel's connections, isolation valves on each side of the unit should be in-
external piping loads which may be transmitted to the nozzles from
supported within the design of the external piping system.
stalled for future maintenance. The isolation valves are used during main-
the piping system. Should external piping loading requirements be
tenance to reduce the loss of system fluid.
When separators are installed, care should be taken to allow
present, confirmation from Taco's Design Engineering department
access to the ASME name plates, air vent (located at the top of
See Warning under General section.
regarding the suitability of the separator's design should be
each separator), flushing cock (located at the side of each unit)
obtained prior to installing this product. External piping must be
4900AD – Air and Dirt or Dirt (D) Separators with or without
and drain plug (installed in the bottom of each unit).
supported within the design of the external piping system.
Switchable On/Off Magnet
All piping to each separator should be installed full size, to match
When separators are installed, care should be taken to allow
Installation notes from 4900A - Air Separators in previous paragraphs ap-
the vessel's connections, isolation valves on each side of the unit
ply to 4900 Air and Dirt Separators as well. On 4900AD air and dirt sep- access to the ASME name plates, air vent (located at the top of
should be installed for future maintenance. The isolation valves
arators the drain/blowdown valve located at the bottom of the unit should
each separator), flushing cock (located at the side of each unit)
are used during maintenance to reduce the loss of system fluid.
be piped to drain. This connection should be piped with a full port shutoff
and drain plug (installed in the bottom of each unit).
valve to a nearby drain during installation.
See Warning under General section.
All piping to each separator should be installed full size, to match
the vessel's connections, isolation valves on each side of the unit
should be installed for future maintenance. The isolation valves
are used during maintenance to reduce the loss of system fluid.
See Warning under General section.
Instruction Sheet
4900 Series Air Separators
Installation, Operation & Maintenance Manual
4900 Series Air Separators
4900 Series Air and Dirt Separators
4900 Series Air & Dirt Separators
WARNING: FAILURE TO COMPLY WITH THESE INSTRUCTIONS
REGARDING THIS PRODUCT CAN RESULT IN SERIOUS PER-
SONAL INJURY OR DEATH AND/OR SEVERE PROPERTY DAMAGE.
GENERAL
TO COMPLY WITH
REGARDING THIS PRODUCT
GENERAL
INSTALLATION
TO BE INSTALLED BY
PROFESSIONAL INSTALLERS ONLY
4900A – Air Separators
4900 Series Air Separators
4900 Series Air and Dirt Separators
THESE
CAN
OPTIONAL
SWITCHABLE
ON/OFF
STYLE
MAGNET
USE SUFFIX
M, FOR EX.
4904ADM-125
SIDE VIEW
4900AD – Air and Dirt or Dirt (D) Separators
Taco 4900AD series separators are designed for installation in
WARNING: Prior to the initial filling of the system the automatic air vent
hydronic systems. The purpose of the 4900AD separator is the
installed in the top of the separator should be closed to prevent system
removal of air and dirt from the heating or chilled water system. In
debris from fouling the venting mechanism. The automatic air vent may
a heating system application, the separator should be mounted in
be manually closed by turning the orifice screw located in vent face
the piping as close as possible to the exit of the boiler and upstream
clockwise until seated. Additionally, the flushing cock installed on the side
of the pumps in the system. These units are not designed to with-
of the separator should be opened to allow the air within the system to
exit during the system filling process. The flushing cock should be closed
stand external piping loads which may be transmitted to the nozzles
when system fluid first appears to exit the separator from the flushing
from the piping system. Should external piping loading require-
cock.
ments be present, confirmation from Taco's Design Engineering
Upon the completion of the system filling process the orifice of the
department regarding the suitability of the separator's design
automatic vent should be re-opened by turning the screw 1 to 1½ turns
should be obtained prior to installing this product.
counter-clockwise. Do not overturn the screw beyond 1 to 1½ turns.
When separators are installed, care should be taken to allow access
to the ASME name plates, air vent (located at the top of each sepa-
rator), and flushing cock (located at the side of each unit). On
4900AD air and dirt separators the drain/blowdown valve located at
the bottom of the unit should be piped to drain. This connection
should be piped with a full port shutoff valve to a nearby drain during
installation.
All piping to each separator should be installed full size, to match
the vessel's connections, isolation valves on each side of the unit
should be installed for future maintenance. The isolation valves
are used during maintenance to reduce the loss of system fluid.
See Warning under General section.
Effective: June 13, 2022
EFFECTIVE: September 15, 2015
4"
4900AD – Air and Dirt or Dirt (D) Separator
Taco 4900AD series separators are designed for install
DIAGRAM 1 – LOCATION OF TANK FITTINGS
hydronic systems. The purpose of the 4900AD separato
removal of air and dirt from the heating or chilled water sys
a heating system application, the separator should be mou
INITIAL SYSTEM FILL
the piping as close as possible to the exit of the boiler and up
of the pumps in the system. These units are not designed
stand external piping loads which may be transmitted to the
from the piping system. Should external piping loading
ments be present, confirmation from Taco's Design Eng
department regarding the suitability of the separator's
should be obtained prior to installing this product.
When separators are installed, care should be taken to allow
to the ASME name plates, air vent (located at the top of eac
rator), and flushing cock (located at the side of each u
4900AD air and dirt separators the drain/blowdown valve lo
the bottom of the unit should be piped to drain. This con
should be piped with a full port shutoff valve to a nearby drai
installation.
All piping to each separator should be installed full size, to
the vessel's connections, isolation valves on each side of
should be installed for future maintenance. The isolation
are used during maintenance to reduce the loss of syste
See Warning under General section.
402
402-080
402-080
EFFECTIVE: September 15