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Bosch ICM

Aerco AM

Camus Micoflame

HTP Elite

Buderus EM10 Module

Burnham Alpine

302P

302P

302P

302P

302P

302P

•  Install the Bosch ICM as per the directions.
•  Set ICM jumper to the left position to enable system 

supply water temperature (VT) mode.

•  Install the Buderus EM10 module as per the directions.
•  Do NOT install the jumper between U terminals 1 and 

3 on the EM10 module. 

•  Change control to mode 6 in the control parameters.

•  Move jumper on connection board from A to B.
•  Set function 17 to temperature.

•  Change Parameter 9 Remote 4-20 mA to Setpoint 

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.

On the V10 controller:
•  Set Load 1 to External Control
•  Change "Max Control @ 9.5 Vdc" to 190°F (88°C)
•  Change "Min Control @ 2.1 Vdc" to 32°F (0°C)

IBC V10 Control

302P

+

X

X

T

T

+

1 2 9 10

•  Change Installer Parameter 25 "0-10V to Power" to 

Disabled.

•  Change Installer Parameter 26 "0-10V to outlet 

setpoint" to Disabled.

Laars Mascot LX

302P

+

X

X

T

T

+

5 6 11 12

Aerco AM Series

Camus Modulating MicoFlame

Heat Transfer Products Elite

IBC VFC and SL Series

Bosch Greenstar

Buderus GB142 and GB162

Burnham Alpine

Laars Mascot LX

Summary of Contents for Tekmar Switching Relay 302P Series

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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