Watts tekmar 294EXP Installation, Operation And Maintenance Manual Download Page 11

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IOM-T-294EXP

2214

Symptom

Description

Power LED Off

Using an electrical meter, check that the supply voltage is between 103 .5 and 126 .5 V (ac) . If the supply voltage

is correct and the Power LED remains off the control may be faulty .

Communication 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 installed in high

radio-frequency environments should use 3-conductor, 22 AWG shielded-twisted pair . The boiler expansion

wiring is polarity sensitive so it is important to check that the wire color codes are in the correct terminal locations .

Troubleshooting

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...