heat-timer 928051-50-VM Installation And Operation Manual Download Page 1

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HT# 059301-00

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

Summary of Contents for 928051-50-VM

Page 1: ...y 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 installati...

Page 2: ...ped 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...

Page 3: ...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 Actuato...

Page 4: ...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...

Page 5: ...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 31 o F SYS 148 o F OUTPUT T T C O R P O R A T I O N R 2 3 4 5 9 10 12...

Page 6: ...Bronze 88 32 to 300 4 928054 00 VM 170 13 6 22 Flanged Iron Bronze 135 32 to 300 5 928055 00 VM 280 15 5 23 Flanged Iron Bronze 150 32 to 300 6 928056 00 VM 360 17 6 23 Flanged Iron Bronze 191 32 to...

Page 7: ...ted 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...

Page 8: ...actuator for manual operation Mounting Vertical above center line of valve Feedback Signal 1K ohm Terminals 8 9 10 2 Way Valve Specifications Body 1 2 Valves ANSI B16 15 Bronze 250lb Threaded NPT 2 1...