Watts tekmar 294EXP User Manual Download

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Installation, Operation and Maintenance Manual

Smart Boiler Expansion 294EXP

IOM-T-294EXP

WARNING

!

Please read carefully before proceeding with

installation. Your failure to follow any attached

instructions or operating parameters may lead to the

product’s failure.
Keep this Manual for future reference.

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Summary of Contents for tekmar 294EXP

Page 1: ...t Boiler Expansion 294EXP IOM T 294EXP WARNING Please read carefully before proceeding with installation Your failure to follow any attached instructions or operating parameters may lead to the produc...

Page 2: ...ion 5 Wiring Schematic 6 Wiring Instructions 7 User Interface 9 Status Icons 9 Labels for Boilers 9 to 12 or 13 to 16 9 Sequence of Operation 10 DIP Switches 10 Power On LED 10 Communication LED 10 Bo...

Page 3: ...re are no user serviceable parts inside the control Attempting to do so voids warranty To avoid serious personal injury and damage to the equipment It is your responsibility to ensure that this contro...

Page 4: ...nada license exempt RSS standard s Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received includi...

Page 5: ...o fasten the two bottom screws When choosing the location for the control consider the following Keep dry Avoid potential leakage onto the control RH 90 to 104 F 40 C Non condensing environment Do not...

Page 6: ...ture 32 F to 122 F 0 C to 50 C Use Copper Conductors Only H2062B 7 6 Boiler 6 5 4 Boiler 5 Mod 9 8 Boiler 7 11 10 Boiler 8 13 12 Boiler 5 Enable 15 14 Boiler 6 Enable 17 16 Boiler 7 Enable 19 18 Boile...

Page 7: ...trol 294 Boiler Control 294 Modutrol IV and V9055 are trademarks of Honeywell Inc Boiler Enable Terminals 12 to 19 A single stage condensing or non condensing boiler is enabled through the TT contacts...

Page 8: ...L L N G Ground Boiler 1 20 21 Pump Valve C R R C Boiler 1 20 21 Pump Valve For 120 V ac valves Connect the power source line wire L to terminal 20 Connect a wire from terminal 21 to the valve Line In...

Page 9: ...uire les risques d lectrocution choc ne pas raccorder un circuit fonctionnant plus de 150 V la terre L 2 3 1 Gnd Expansion Expansion 5 to 8 Set switches 1 to Off 2 to Off Mod Mod Mod Smart Boiler Expa...

Page 10: ...closed Off Boiler enable 6 10 14 relay is open Boiler 7 11 15 On Boiler enable 7 11 15 relay is closed Off Boiler enable 7 11 15 relay is open Boiler 8 12 16 On Boiler enable 8 12 16 relay is closed...

Page 11: ...LED Off Check that the boiler expansion on wiring terminals 1 2 and 3 are connected using 3 conductor 18 AWG LVT wire if connections are less than 100 feet 30 m Connections exceeding 100 feet 30 m or...

Page 12: ...of any kind or nature which arise out of or are related to any such representations or warranties by Purchaser to its customers The pass through Limited Warranty does not apply if the returned Product...

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