Compare tekmar Multi-Staging Controls

Improve efficiency with staging control.

tekmar Multi-Staging controls coordinate heat source operation to better match the load, lowering energy costs and facilitating redundancy.

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System Requirements

268

274

275

284

On/Off Boilers

Maximum Number of each type

1 Stage

9*

4

4

4*

2 Stage

4

2

-

4*

3 Stage

3

1

1

1

4 Stage

2

1

1

1

Modulating Boilers

Maximum Number of each type

Burner Firing Rate

-

-

4

4*

Target Temperature

-

-

-

4*

Mixed Boiler Plant Control

Combine condensing & non-condensing boiler groups

-

-

-

●

DHW Through Valves (V) or Pumps (P)

Indirect domestic hot water (IDHW) operation

V/P

P

or

●

P

or

●

P

Stand-by Pump Operation

Automatic back-up pump start to improve system reliability

-

●

Setpoint Operation

Hot water for hot-tubs, pools & snowmelt

Setp.
or
DHW

Setp.
or
DHW

Setp.
or
DHW

●

Dedicated DHW Operation

Hot water for dedicated domestic hot water (DDHW) tank

●

BACnet® & Modbus® Communication

Remote monitoring & adjustment capability with BAS

-

-

-

●

Accept EMS 0-10 V (dc)

Connect to tekmarNet® / EMS systems

●

●

●

●

Features & Benefits

268

274

275

284

Outdoor Temperature Reset

Adjust water temperature based on outdoor temperature for energy savings

●

●

●

●

Warm Weather Shut Down

Shut down heating systems in warmer weather

●

●

●

●

Automatic Differential

Manage boiler run times automatically to reduce cycling

●

●

●

●

Indirect DHW Priority

Suspends space heating to focus on indirect domestic hot water (IDHW)

●

●

●

●

Equal Run Time Rotation

Boilers run equal amounts of time & receive equal wear

●

●

●

●

Pump Exercising

Briefly run pumps to prevent seizing

●

●

●

●

Pump Post Purge

Run pumps to flush residual heat energy from the boiler

●

●

●

●

Primary Pump Rotation

Pumps run equal amounts of time & receive equal wear

-

●

●

●

Fixed Lead Option

Run high efficiency boilers first to maximize energy savings

●

●

●

●

Fixed Last Option

Run inefficient boilers last to improve overall plant efficiency

●

●

●

●

tekmarNet® Communication - 2 or 4 Wire

Network communication provides greater functionality

-

4

4

4

tekmarNet® Communication - Number of Boiler Buses

Up to 24 tekmarNet® devices can be connected per bus

-

1

1

4

Remote tekmarNet® Monitoring

Access tekmarNet® systems via the internet with a Gateway 486

-

●

●

●

Built-in Setback

Simple, programmable schedule for greater energy savings

-

●

●

●

DHW Recirculation Pump

Conserve energy by running pump on a schedule

-

●

●

Recirc

or

C.A.

Combustion Air Damper Output

Close damper when system is off & open before operation

C.A.

or

Alert

C.A.

or

Alert

C.A.

or

Alert

Alert Output

Provide notification of error & warning events

●

Energy, Flow & Pressure Monitoring

Provide advanced system monitoring

-

-

-

●

Boiler Outlet & Vent Temperature Monitoring & Limiting

Provide advanced monitoring & limiting to improve overall plant reliability

-

-

-

●

Flow Proof

Proof of flow to enable backup primary pump or trigger failure notification

-

Flow

or

C.A.

Flow

or

C.A.

●

Combustion Air Proof

Proof of combustion air before allowing boiler plant operation

-

●