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Limited Warranty

 The liability of tekmar under this warranty is 

limited. The Purchaser, by taking receipt of any tekmar product 

(“Product”), acknowledges the terms of the Limited Warranty in 

effect at the time of such Product sale & acknowledges that it has 

read & understands same.

The tekmar Limited Warranty to the Purchaser on the Products sold 

hereunder is a manufacturer’s pass-through warranty which the 

Purchaser is authorized to pass through to its customers. Under the 

Limited Warranty, each tekmar Product is warranted against defects 

in workmanship & materials if the Product is installed & used in 

compliance with tekmar’s instructions, ordinary wear & tear except-

ed. The pass-through warranty period is for a period of twenty-four 

(24) months from the production date if the Product is not installed 

during that period, or twelve (12) months from the documented date 

of installation if installed within twenty-four (24) months from the 

production date.

The liability of tekmar under the Limited Warranty shall be limited to, at tek-

mar’s sole discretion: the cost of parts & labor provided by tekmar to repair 

defects in materials &/or workmanship of the defective product; or to the 

exchange of the defective product for a warranty replacement product; or 

to the granting of credit limited to the original cost of the defective product, 

& such repair, exchange or credit shall be the sole remedy available from 

tekmar, &, without limiting the foregoing in any way, tekmar is not respon-

sible, in contract, tort or strict product liability, for any other losses, costs, 

expenses, inconveniences, or damages, whether direct, indirect, special, 

secondary, incidental or consequential, arising from ownership or use of the 

product, or from defects in workmanship or materials, including any liability 

for fundamental breach of contract.
The pass-through Limited Warranty applies only to those defective Products 

returned to tekmar during the warranty period. This Limited Warranty does 

not cover the cost of the parts or labor to remove or transport the defec-

tive Product, or to reinstall the repaired or replacement Product, all such 

costs & expenses being subject to Purchaser’s agreement & warranty with  

its customers.

Any representations or warranties about the Products made by Purchaser 

to its customers which are different from or in excess of the tekmar Limited 

Warranty are the Purchaser’s sole responsibility & obligation. Purchaser shall 

indemnify & hold tekmar harmless from & against any & all claims, liabilities & 

damages 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 

has been damaged by negligence by persons other than tekmar, accident, 

fire, Act of God, abuse or misuse; or has been damaged by modifications, 

alterations or attachments made subsequent to purchase which have not 

been authorized by tekmar; or if the Product was not installed in compliance 

with tekmar’s instructions &/or the local codes & ordinances; or if due to 

defective installation of the Product; or if the Product was not used in com-

pliance with tekmar’s instructions.
THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS 

OR IMPLIED, WHICH THE GOVERNING LAW ALLOWS PARTIES TO 

CONTRACTUALLY EXCLUDE, INCLUDING, WITHOUT LIMITATION, IMPLIED 

WARRANTIES OF MERCHANTABILITY & FITNESS FOR A PARTICULAR 

PURPOSE, DURABILITY OR DESCRIPTION OF THE PRODUCT, ITS NON-

INFRINGEMENT OF ANY RELEVANT PATENTS OR TRADEMARKS, & 

ITS COMPLIANCE WITH OR NON-VIOLATION OF ANY APPLICABLE 

ENVIRONMENTAL, HEALTH OR SAFETY LEGISLATION; THE TERM OF 

ANY OTHER WARRANTY NOT HEREBY CONTRACTUALLY EXCLUDED IS 

LIMITED SUCH THAT IT SHALL NOT EXTEND BEYOND TWENTY-FOUR (24) 

MONTHS FROM THE PRODUCTION DATE, TO THE EXTENT THAT SUCH 

LIMITATION IS ALLOWED BY THE GOVERNING LAW. 

Product Warranty Return Procedure

 All Products that are believed to 

have defects in workmanship or materials must be returned, together with a 

written description of the defect, to the tekmar Representative assigned to 

the territory in which such Product is located. If tekmar receives an inquiry 

from someone other than a tekmar Representative, including an inquiry 

from Purchaser (if not a tekmar Representative) or Purchaser’s customers, 

regarding a potential warranty claim, tekmar’s sole obligation shall be to 

provide the address & other contact information regarding the appropriate 

Representative.

Limited Warranty and Product Return Procedure

IOM-T-294EXP

  2214 

 

© 2022 tekmar

Tel: 1-800-438-3903 • Fax: (250) 984-0815

 tekmarControls.com

All specifications are subject to change without notice

Smart Boiler Control 294

Literature

Submittal, Installation and Operating Manual

Packaged weight

2.4 lb. (1100 g)

Dimensions

9" H x 8" W x 2

11

16

" D (229 x 203 x 60 mm)

Enclosure

Blue ABS plastic, NEMA type 1

Approvals

CSA C US, FCC Part 15B, ICES-003 Class A

Ambient conditions

Indoor use only, 32 to 122°F (0 to 50°C), < 90% RH non-condensing, Altitude < 6560 feet (2000 m), Installation Category II, 
Pollution Degree 2

Power supply

115 V (ac) ±10%, 60 Hz, 6 W

Relays

230 V (ac), 5 A, 1/3 hp

Modulating outputs

0-10 V (dc) 500 Ω minimum load impedance or 4-20 mA 1 kΩ max load impedance

Technical Data

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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