background image

WARNING:

 This product contains chemicals known to the State of 

California to cause cancer and birth defects or other reproductive harm.  

For more information: Watts.com/prop65

304V_D - 10/19

 

12 of 12 

© 2019 tekmar

Tel: (250) 545-7749 • Fax: (250) 984-0815

 tekmarControls.com

All specifications are subject to change without notice

Limited Warranty 

The liability of tekmar under this warranty is limited. The 

Purchaser,  by  taking  receipt  of  any  tekmar  product  (“Product”),  acknowl-

edges the terms of the Limited Warranty in effect at the time of such Product 

sale and acknowledges that it has read and 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 Prod-

uct is warranted against defects in workmanship and materials if the Product 

is installed and used in compliance with tekmar’s instructions, ordinary wear 

and tear excepted. The pass-through warranty period is for a period of twen-

ty-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 tekmar’s 

sole discretion: the cost of parts and labor provided by tekmar to repair defects in 

materials and / 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, and such repair, exchange or 

credit  shall  be  the  sole  remedy  available  from  tekmar,  and,  without  limiting  the 

foregoing  in  any  way,  tekmar  is  not  responsible,  in  contract,  tort  or  strict  prod-

uct 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 defective Product, or 

to reinstall the repaired or replacement Product, all such costs and expenses being 

subject to Purchaser’s agreement and warranty with its customers.

Any representations or warranties about the Products made by Purchaser to its cus-

tomers which are different from or in excess of the tekmar Limited Warranty are the 

Purchaser’s sole responsibility and obligation. Purchaser shall indemnify and hold 

tekmar harmless from and against any and all claims, liabilities and damages of any 

kind or nature which arise out of or are related to any such representations or war-

ranties 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 and / or the local 

codes and ordinances; or if due to defective installation of the Product; or if the Prod-

uct was not used in compliance with tekmar’s instructions.

THIS  WARRANTY  IS  IN  LIEU  OF  ALL  OTHER  WARRANTIES,  EXPRESS  OR 

IMPLIED, WHICH THE GOVERNING LAW ALLOWS PARTIES TO CONTRACTU-

ALLY  EXCLUDE,  INCLUDING,  WITHOUT  LIMITATION,  IMPLIED  WARRANTIES 

OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, DURA-

BILITY  OR  DESCRIPTION  OF  THE  PRODUCT,  ITS  NON-INFRINGEMENT  OF 

ANY  RELEVANT  PATENTS  OR  TRADEMARKS,  AND  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 and other contact informa-

tion regarding the appropriate Representative.

Limited Warranty and Product Return Procedure

Technical Data

Zone Valve Control 304V

 

Four Zones with Priority

Literature

304V_C, 304V_D, 304V_J

Control

Microprocessor control. This is not a safety (limit) control.

Packaged weight

5.0 lb. (2250 g)

Dimensions

8-3/16" H x 10-11/16" W x 2-3/8" D (208 x 271 x 60 mm)

Enclosure

Cover: ABS plastic, Base: galvanized steel, NEMA type 1

Approvals

CSA C US, RoHS

Ambient conditions

32 to 122°F (0 to 50°C), ≤ 90% RH non-condensing

Power supply

115 V (ac) ±10%, 60 Hz, 11 A

Transformer

40 VA at 24 V (ac) , expandable to 80 VA with additional transformer M3069 (sold separately)

Control load

7 VA at 24 V (ac)

Fuses

T5A 250 V slow blow 5 x 20 mm glass fuse, two spare fuses included

Zone valve outputs

24 V (ac), 2 A max each, one transformer 33 VA, two transformer 73 VA

Zone valve end switch

24 V (ac)

Pump relays

230 V (ac), 5 A, 1/3 hp

Boiler XX end switch

24 V (ac), 5 A

DHW end switch

24 V (ac), 5 A

Mod boiler output

0-10 V (dc) 500 Ω min impedance / 4-20 mA 1 kΩ max impedance

Summary of Contents for Tekmar Zone Valve Control 304V

Page 1: ...connects up to four thermostats and operates zone valves to provide heating to a zoned hydronic heating system The 304V operates a system pump whenever a zone valve opens Zone 1 can operate either a zone valve or a circulator to provide heat to an indirect domestic hot water tank with optional priority over zones 2 through 4 The 304V includes optional exercising to prevent circulator seizure when ...

Page 2: ...ided could result in minor or moderate injury This symbol identifies practices actions or failure to act which could result in property damage or damage to the equipment Read manual and all product labels BEFORE using the equipment Do not use unless you know the safe and proper operation of this equipment Keep this manual available for easy access by all users Replacement manuals are available at ...

Page 3: ...ntrol to a different circuit from that to which the receiver is connected Cet appareil numérique de la classe B respecte toutes les exi gences du Règlement sur le matériel brouilleur du Canada Radio Frequency Interference Location Keep the control dry Avoid potential leakage onto the control Maintain relative humidity less than 90 in a non condensing environment Avoid exposure to extreme temperatu...

Page 4: ...4 T5 T6 A DHW C R W BOILER T STAT 1 T STAT 2 T STAT 3 tN4 A C R W tN4 A C R W T STAT 4 tN4 A C R W T STAT 5 tN4 A C R W T STAT 6 EXPANSION tN4 A C R W tN4 A B C D E FUSE 2 FUSE 1 END SWITCH MOTOR POWER PRIORITY SYSPUMP ROOM RESPONSE ZONE 1 70 80 90 60 50 100 MOD MAX END SWITCH MOTOR ZONE 2 END SWITCH MOTOR ZONE 3 END SWITCH MOTOR ZONE 4 END SWITCH MOTOR ZONE 5 END SWITCH MOTOR ZONE 6 MASTER MEMBER...

Page 5: ...N4 A C R W tN4 A C R W T STAT 4 tN4 A C R W T STAT 5 tN4 A C R W T STAT 6 EXPANSION tN4 A C R W tN4 A B C D E FUSE 2 FUSE 1 END SWITCH MOTOR POWER PRIORITY SYSPUMP ROOM RESPONSE ZONE 1 70 80 90 60 50 100 MOD MAX END SWITCH MOTOR ZONE 2 END SWITCH MOTOR ZONE 3 END SWITCH MOTOR ZONE 4 END SWITCH MOTOR ZONE 5 END SWITCH MOTOR ZONE 6 MASTER MEMBER OFF OFF OFF T STAT1PRIORITY ON EXERCISING ON POSTPURGE...

Page 6: ...ITCH MOTOR ZONE 5 END SWITCH MOTOR ZONE 6 MASTER MEMBER OFF OFF OFF T STAT1PRIORITY ON EXERCISING ON POSTPURGE ON MODBOILER 0 10V SYSTEMPUMPDURINGPRIORITY ON SYSTEMPUMPWITHMEMBERCALL ON ZONEVALVEENDSWITCHES ON RESERVED 120 VAC POWER PUMP PUMP 1 SYSTEM PRIORITY L N L N L N OFF OFF OFF 4 20mA B1 PS L L N N P1 V1 V2 V3 V3 V4 V5 V6 A1 T1 T4 T5 T6 T7 T2 T3 N L N Power L N B1 P1 A1 Expansion PS V2 V1 V3...

Page 7: ...nstalled and the Zone Valve End Switches DIP switch is set on Exercising DIP Switch ON Each circulator pump is energized for 30 seconds every 72 hours OFF Circulator pump exercising disabled Post Purge DIP Switch ON After thermostat 1 stops calling for heat the zone 1 priority pump and zone valve remain on for 2 minutes to purge heat from the boiler to the zone OFF Post purge disabled Mod Boiler D...

Page 8: ...pansion bus from the master to the member controls Terminal Description A tN4 Away signal connecting tekmar thermostats B RoomResponseTM signal from member controls C Power common D Demandsignal 0Vdc demand 2Vdc nodemand E Priority signal 0 Vdc priority 2 Vdc no priority FUSE 6 70 80 90 60 50 100 MOD MAX Mod Max dial set to 100 in the illustration Setting the Max Mod Dial Boiler Make Model Require...

Page 9: ...tpoint Source Change Energy Management setting Central Heat Modulation Source to 4 20 mA Change Energy Management setting Central Heat 4 20 mA Setup 4 mA Water Temperature to 80 F 26 5 C 9 10 22 23 5 6 16 17 2 U 1 X X T T 1 2 9 10 No changes to the boiler are required Aerco AM Series Bosch Greenstar Buderus GB142 and GB162 Burnham Alpine Camus Modulating MicoFlame Heat Transfer Products Elite IBC ...

Page 10: ...ameter to ACTIVE Set BMS Type to SETPOINT Enter boiler password Set Parameter Setpoint source to 4 20mA Enter boiler password Set Parameter Setpoint source to 4 20mA Lochinvar Knight Lochinvar FTXL NTI Trinity LX Riverside HeatStation NTI Trinity Fire Tube 304V 304V 304V 304V 304V Sensor I O 24Vac I O X X W R 1 2 37 38 X X W R 21 22 35 36 X X CH1 R 3 5 11 12 X X CH1 R 3 5 4 5 8 EMS 9 Laars Mascot ...

Page 11: ...y 2 Volts For Min to 2 V Set Local Priority 2 Volts For Max to 10 V Install the OpenTherm Module as per the boiler manufac turer s instructions Raypak MVB or XTherm Raypak XFyre or XPakFT 304V 304V J2 J1 X X 13 14 17 18 X X T T 8 9 9 10 Viessmann OpenTherm Module Viessmann Extension Module EA1 Plug 0 10V Weil McLain Evergreen P15 304V 304V 304V 1 4 1 2 5 6 Connect to the Viessmann Extension Module...

Page 12: ...ar harmless from and against any and all claims liabilities and damages of any kind or nature which arise out of or are related to any such representations or war ranties 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 mo...

Reviews: