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Switching Relay 302P

Installation Manual

Switching Relay 302P

Two Zones with Priority

H3024A

Power

Priority

Zone 1

Zone 2

RoomResponse

TM

The Switching Relay 302P connects up to two thermostats and operates circulators to provide heating to a zoned 
hydronic heating system.

•  RoomResponse

TM

 signal

•  Compatible with all low voltage thermostats
•  Unlimited zone expansion
•  Zone priority
•  Priority override
•  Pump exercising
•  Post purge
•  Away signal shared between tekmar thermostats

Features

•  LED for each zone, priority, end switch and 

RoomResponse

TM

•  Four ground screws
•  Top, bottom and back conduit knockouts
•  Fuses protect transformers and pumps
•  Two spare fuses included
•  CSA approved

Содержание Tekmar Switching Relay 302P Series

Страница 1: ...ing to a zoned hydronic heating system RoomResponseTM signal Compatible with all low voltage thermostats Unlimited zone expansion Zone priority Priority override Pump exercising Post purge Away signal...

Страница 2: ...if not avoided 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...

Страница 3: ...crewdriver Needle nose pliers Wire stripper 18 AWG LVT solid wire low voltage connections 14 AWG solid wire line voltage connections Four 1 8 1 wood screws 1 Switching Relay 302P 2 Spare fuses located...

Страница 4: ...able Away C R Rh W R W 70 FUSE 2 FUSE 7 FUSE 8 FUSE 3 FUSE 4 FUSE 5 FUSE 6 70 80 90 60 50 100 MOD MAX MASTER MEMBER OFF OFF OFF 4 20 mA T STAT 1 PRIORITY 0N EXERCISING ON POST PURGE ON MOD BOILER 0 10...

Страница 5: ...t required Away C R Rh W 70 FUSE 2 FUSE 7 FUSE 8 FUSE 3 FUSE 4 FUSE 5 FUSE 6 70 80 90 60 50 100 MOD MAX MASTER MEMBER OFF OFF OFF 4 20 mA T STAT 1 PRIORITY 0N EXERCISING ON POST PURGE ON MOD BOILER 0...

Страница 6: ...0V RESERVED FUSE 1 120 VAC POWER MOD X X tN4 POWER ROOM RESPONSE T1 T2 T3 T4 T5 T6 A DHW C R W BOILER T STAT 1 T STAT 2 T STAT 3 PRIORITY PUMP 1 PUMP 2 PUMP 3 PUMP 4 PUMP 5 PUMP 6 L N L N L N L N L N...

Страница 7: ...Switching Relay set to Master When using multiple Switching Relays and or Zone Valve Controls set one control to Master and set all other controls to Member The boiler end switch XX only closes when t...

Страница 8: ...Master Mod Max Max Voltage Max mA 50 5 12 60 6 13 6 70 7 15 2 80 8 16 8 90 9 18 4 100 10 20 FUSE 6 70 80 90 60 50 100 MOD MAX Mod Max dial set to 100 in the illustration Boiler Make Model Required Ad...

Страница 9: ...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...

Страница 10: ...tpoint 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 302P 302P 302P 302P 302...

Страница 11: ...P 302P 302P 1 4 1 2 5 6 Connect to the Viessmann Extension Module EA1 Plug 0 10V Switching Relay 302P Two Zones with Priority Literature Submittal 302P_C Installation Manual 302P_D Job Record 302P_J P...

Страница 12: ...made by Pur chaser to its customers 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 tekma...

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