heat-timer 928051-50-VM User manual

HT# 059301-00 A
WARNING
All Heat-Timer controls and valves are strictly operating controls and
valves; they should never be used as a primary limit or safety control. All
equipment must have its own certified limit and safety controls required
by local codes. The installer must verify proper operation and correct any
safety problems prior to the installation of any Heat-Timer equipment.
Installation and Operation Manual
2-Way Motorized Valves
with Feedback
for Vacuum and Subatmospheric Steam Heating Systems

22-Way Motorized Valve with Feedback Installation Manual
HT# 059301-00 A
APPLICATIONS
Steam Heating Applications
The 2-Way Floating Motorized Valves are used to modulate or turn on or off the vacuum (subatmospheric steam) to
a building or process applications. They are used with Heat-Timer steam heating controls (MPC Platinum and SRC
Platinum controls).
INSTALLATION
Components
A Valve and actuator are usually shipped in different crates
or boxes. The following components are shipped per the
following packing lists:
Valve Package: Actuator Package:
• Valve
• BushingLocknut
• Actuator
• ActuatorBrassBracket
(with two hex screws and
two nuts.
• HexWrench(#5)
• 24VACTransformer
Stem Nut
• StemAttachment
• ValveBushing
Actuator Crank
for Manual Operation
Actuator Brass
Bracket
Valve
Valve Bushing
Bushing Locknut
Power Terminals
Feedback Terminals
Power Switch
Stem
Attachment
Stem Nut
Flow Direction
• Thevalvebodyhasanarrowtoshowtheowdirection.
• ActuatorshaftmovingDownwillclosethevalve.
• ActuatorShaftmovingUpwillopenthevalve.
Flow
Down
Valve Closes
Flow
Up
Valve Opens
2-Way Single-Seat
Flow
Down
Valve Closes
Flow
Up
Valve Opens
2-Way Single-Seat

2-Way Motorized Valve with Feedback Installation Manual 3
HT# 059301-00 A
Mounting Alignment
• Toavoidvalveproblems,alldirt,metalshavings,and
debrisinsidethepipingmustberemovedorushedout
prior to installing the valve.
• Thepreferredinstallationpositionofthevalveandactuator
isupright.However,wherespacerestrictionsdictate,the
valve assembly can be mounted diagonally.
• Theinstallationshouldaccountforanadditionalclearance
of4to6”abovetheactuator.Thisspaceisneededforthe
manual operation of the actuator. See "Actuator Manual
Operation"onpage4.
WARNING
MotorizedValvesMUSTNOTbeinstalledupsidedownorhorizontally.
Warranty is void if valve installation position was installed incorrectly.
OKOK
OK
OK
OK
OK
Valve Actuator Assembly
• Forsmallervalves,itisusuallyeasiertoassemblethe
valve and actuator before the installation of the valve on
the pipe.
• Forlargervalves,installthevalveinpositionpriorto
installing the actuator to the valve.
• ThreadandtightentheValveBushingtothevalve.
• RemovetheActuatorBrassBrackets.Thisshouldrelease
the Stem Attachment.
• ThreadtheStemAttachmenttotheValveStem.Make
sure that it is tightened against the Stem Nut.
• MounttheActuatorontopoftheValve.
• ThreadtheBushingLocknuttotheValveBushing.Make
sure that the locknut’s beveled surface is facing the valve.
• ManuallycloseoropentheactuatortobringtheStem
Attachment to meet the bottom of the Actuator Shaft. See
"ActuatorManualOperation"onpage4.
• JointheStemAttachmentandtheActuatorShaftusing
theActuatorBrassBracket.MakesuretheActuatorBrass
BracketinternalshapetsandlocksStemAttachmentand
Actuator Shaft securely.
• ForproperActuatorBrassBracketoperation,its
protrusions must be at the bottom (closer to the valve).
• TightentheActuatorBrassBracketscrewsandnutsusing
the provided Hex Wrench.
Valve Bushing
Actuator Brass Bracket
Stem Attachment
Stem Nut
Bushing Locknut
Stem
Actuator Shaft
Protrusion must
be at bottom
Actuator LED
TheactuatorhastwoLEDs.
• AGreenLEDthatlightswhentheactuatorismovingitsshaftdownward.It
islabeledDownLimit.
• ARedLEDthatlightswhentheactuatorismovingitsshaftupward.Itis
labeledUpLimit.
Up Limit
Down Limit

42-Way Motorized Valve with Feedback Installation Manual
HT# 059301-00 A
Actuator Manual Operation
The actuator Red Crank is used to operate the valve manually in periods of
no power or when installing or servicing the equipment.
• First,makesurethatthePowerSwitchisturnedOffpriortooperatingthe
actuator manually.
• PulltheCrankHandleoutandpressitdowntomovetheActuatorShaft.
• TurntheCrankHandleclockwisetomovetheActuatorShaftdown(Close
Valve).
• TurntheCrankHandlecounter-clockwisetomovetheActuatorShaftup
(Open Valve).
1) Turn Power
Switch Off
2) Pull Crank Handle Out
3) Press Down and Turn
WIRING
• TheHeat-TimerMotorizedValvecanbeusedwithvirtuallyanyoatingmotorcontroller.However,itisdesignedto
work with Heat-Timer controls.
• Theactuator/motorusesaoatingtypesignal(R.W.B.).
• Theactuatormustbepoweredusingtheprovided24VACtransformer.Asingletransformercanonlypowera
single actuator. The transformer is supplied with every complete valve package.
• RemovetheRedActuatorcovertorevealthewiringterminals.
• Afternalizingthewiring,reinstalltheactuatorRedcover.
• AutoCalibratetheSRCPlatinumcontroltothemotorizedvalve.SeeSRCPlatinumManual.
Wiring the Actuator Power
• Wireoneofthe24VACtransformeroutputstotheActuator(1)Commonterminal.
• Wirethesecond24VACtransformeroutputtotheSRCPlatinum(15)Commonoutputterminal.
• ConnecttheSRCPlatinum(14)outputterminaltotheActuator(2)Closeterminal.
• ConnecttheSRCPlatinum(16)outputterminaltotheActuator(3)Openterminal.
Wiring the Actuator Feedback
• ConnecttheSRCPlatinum(A4)inputterminaltotheActuator(10)terminal.
• ConnecttheSRCPlatinum(A5)inputterminaltotheActuator(9)terminal.
• ConnecttheSRCPlatinum(A6)inputterminaltotheActuator(8)terminal.

2-Way Motorized Valve with Feedback Installation Manual 5
HT# 059301-00 A
SRC
Platinum
PREV.
(DEL)
OUT
TEMP
SYSTEM
PROVE
AUX
TEMP 0
AUX
TEMP 1
DAY
HELP NEXT
PRESS TO
SELECT
BACK
MON 12/28/04 10:43Am
ADJUST
A1 A2 A3 A4 A5 A6 A7 A8 A9
A10 A11 A12
DO NOT APPLY ANY VOLTAGE
TO SENSOR TERMINALS
A13 A14 A15 A16
NETWORK
VALVE
POSITION
SHUTDOWN
SYSTEM
TEMP
AUTO
BYPASS
ALL SENSORS MUST BE
GOLD SERIES SENSORS
INPUTS
ROUTE SENSOR AND AUXILIARY WIRES
THROUGH THIS KNOCKOUT ONLY
SYS
AUX
CLOCK
OPTION
1
T T
Cycle On 5/60m
Val=45% Day OD= 31oF SYS= 148oF
OUTPUT
T T
C O R P O R A T I O N
R
2 3 4 5 9 10 12 13 14 15 16
LINE
NEU TRAL
VACUUM
PUMP
BURNER
MOTORIZED
VALVE
CLOSE OPENAUX
CLOCK
SIGNAL
SHIELD
+
EMS
VP +
1 2 3 16 17
8 9 10
1 2 3 16 17
8 9 10
Up Limit Down Limit
1 2 3 16 17
Common
Close
Open
Close Limit
Open Limit
Power Wiring
120VAC
8 9 10
8 9 10
Feedback
Wiring
A2 A3 A4 A5 A6 A7 A8
NETWORK
VALVE
POSITION
SHUTDOWN
SYSTEM
TEMP
VP +
Wiring 2-Way Motorized Valve with Feedback to SRC Platinum

62-Way Motorized Valve with Feedback Installation Manual
HT# 059301-00 A
VALVE DIMENSIONS
Motorized Valves should be sized by Cv ratings
(thecapacityfactororowcoefcient).Thisis
denedasthenumberofgallonsofwaterat60°F
that pass through a device with a one pound per
square inch pressure differential.
15 ¼
B
C
A
7⅝7 ½
2-Way Single-Seat Motorized Valve
Valve
Size
Catalog
Number
Flow
Coefcient
Cv
Dimensions
Mount Body Trim
Est
Shipping
Weight
Medium
Temp
Range °F
A B C
1½” 928051-50-VM 24 5 ¾ 3 ¼ 19” NPT Bronze S. Steel 31 32to400
2” 928052-00-VM 40 6½“ 3⅝” 19¼” NPT Bronze S. Steel 35 32to400
2½” 928052-50-VM 65 9” 4¾” 20¾” Flanged Iron Bronze 71 32 to 300
3” 928053-00-VM 90 10” 5⅜” 21⅝” Flanged Iron Bronze 88 32 to 300
4” 928054-00-VM 170 13” 6⅜" 22⅝” Flanged Iron Bronze 135 32 to 300
5” 928055-00-VM 280 15¾” 5 ¾" 23¼” Flanged Iron Bronze 150 32 to 300
6” 928056-00-VM 360 17¾” 6½” 23⅞” Flanged Iron Bronze 191 32 to 300
8” 928058-00-VM 680 16¼” 8⅞” 25⅛” Flanged Iron Bronze 306 32 to 300
10” 928060-00-VM 960 20" 9⅞” 25⅞” Flanged Iron Bronze 451 32 to 300
TROUBLESHOOTING
Loud banging noise.
• Makesurethatthevalveisinstalledonahorizontalpipe.
• Makesurethatnocondensatewilldrainbackagainstthevalvewhenclosed.Thiswillcausethesteamtoashthe
condensate causing the banging when the valve opens.
Actuator does not move.
• Makesurethatthecontrolissendingamovingsignaltotheactuator.Thecontrolmusthavearelayineachofthe
outputs.
• CheckthatthetransformerisoperatingproperlyandisitsVAratingisequaltoorhigherthantheactuator'sVA
rating.See"ActuatorSpecications"onpage8.

2-Way Motorized Valve with Feedback Installation Manual 7
HT# 059301-00 A
WARRANTY
WARRANTIES AND LIMITATIONS OF LIABILITY AND DAMAGE: Heat-Timer Corporation warrants that it will
replace, or at its option, repair any Heat-Timer Corporation manufactured product or part thereof which
is found to be defective in material workmanship within one year from the date of installation only if the
warranty registration has been properly filled out and returned within 30 days of the date of installation.
Damages to the product or part thereof due to misuse, abuse, improper installation by others or caused by
power failure, power surges, fire, flood or lightning are not covered by this warranty. Any service, repairs,
modifications or alterations to the product not expressly authorized by Heat-Timer Corporation will invalidate
the warranty. Batteries are not included in this warranty. This warranty applies only to the original user and
is not assignable or transferable. Heat-Timer Corporation shall not be responsible for any maladjustments
of any control installed by Heat-Timer Corporation. It is the users responsibility to adjust the settings of the
control to provide the proper amount of heat or cooling required in the premises and for proper operation
of the heating or cooling system. Heat-Timer Corporation shall not be required to make any changes to any
building systems, including but not limited to the heating system, boilers or electrical power system, that is
required for proper operation of any controls or other equipment installed by Heat-Timer Corporation or any
contractor. Third Party products and services are not covered by this Heat-Timer Corporation warranty and
Heat-Timer Corporation makes no representations or warranties on behalf of such third parties. Any warranty
on such products or services is from the supplier, manufacturer, or licensor of the product or service.
See separate Terms and Conditions of Internet Control Management System (“ICMS”) services, including
warranties and limitations of liability and damages, for ICMS services.
THE FOREGOING IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED AND HEAT-TIMER
CORPORATION SPECIFICALLY DISCLAIMS ANY AND ALL WARRANTIES OF MERCHANTABILITY FOR
A PARTICULAR PURPOSE. UNDER NO CIRCUMSTANCES SHALL HEAT-TIMER CORPORATION, ITS
AUTHORIZED REPRESENTATIVES, AFFILIATED OR SUBSIDIARY COMPANIES BE LIABLE FOR SPECIAL,
CONSEQUENTIAL OR INCIDENTAL DAMAGES, EXCEPT AS SPECIFICALLY STATED IN THESE TERMS
AND CONDITIONS OF SALE. THE SOLE REMEDY WITH RESPECT TO ANY PRODUCT OR PART SOLD OR
INSTALLED BY HEAT-TIMER CORPORATION SHALL BE LIMITED TO THE RIGHT TO REPLACEMENT OR
REPAIR F.O.B. FAIRFIELD, NJ. HEAT-TIMER CORPORATION SHALL NOT BE LIABLE OR RESPONSIBLE
FOR LOSS OR DAMAGE OF ANY KIND RESULTING FROM DELAY OR INABILITY TO DELIVER FOR ANY
REASON, INCLUDING BUT NOT LIMITED TO FIRE, FLOOD, LIGHTNING, POWER FAILURE OR SURGES,
UNAVAILABILITY OF PARTS, STRIKES OR LABOR DISPUTES, ACCIDENTS AND ACTS OF CIVIL OR MILITARY
AUTHORITIES.
03122010

20NewDutchLane,Faireld,NJ07004
 Ph:(973)575-4004 • Fax:(973)575-4052
http://www.heat-timer.com
HT# 059301-00 A
SPECIFICATIONS
Actuator Specications
ActuatorInputSignal: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24VACFloating
Power Consumption: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10VA
Operating temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ambient15°Fto120°F
Manual Override: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Manual Crank
Construction: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AluminumBracketandHousing
Locations: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NEMAType2/IP54IndoorOnly
Clearance: . . . . . . . . . . . . . . . . . . . . . . . . . Minimumof4-6”abovetheactuatorformanualoperation
Mounting:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Vertical above center line of valve
Feedback Signal:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1KohmTerminals(8,9,10)
2-Way Valve Specications
Body: . . . . . . . . . . . . . . . . . . . . . . . . .(1½”-2”Valves)ANSIB16.15Bronze250lb.Threaded(NPT)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (2½”-10”Valves)ANSIB16.1Iron125lb.Flange
Trim: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (1½”-2”Valves)316StainlessSteel
  (2½”-10”Valves)Bronze
Packing: . . . . . . . . . . . . . . . . . . Long-LifeMulti-Stack,EPDMLipPackingfortemperaturesupto350°F
Seat Closure:. . . . . . . . . . . . . . . . . . . (1½”-2”Valves)Single-SeatANSIClassIVandClassVIshut-off
  (2½”-6”Valves)Single-SeatANSIClassIVshut-off
  (8”-10”Valves)Double-SeatANSIClassIVshut-off
Temperature: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (1½”-2”Valves)+32ºFto400ºF
  (2½”-10”Valves)+32ºFto350ºF