HVAC System Solutions Brochure

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© 2012 P 10005 - 09/12
Compare HVAC
System Controls
System Requirements
256 260 261 279 356
Number of Water Temperatures
Flexibility for custom applications
111-1
Number of Boilers
Outdoor Temperature Reset control
11211
Boiler Type
On / Off (O) Modulating (M) or Steam (S)
OOOSO
Multi-Stage Boiler Expansion via EMS
Control of additional boilers
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DHW Through Valves (V) or Pumps (P)
Domestic hot water operation
- V / P - - -
Setpoint Operation
Hot water for hot-tubs, pools & snowmelt
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Mixing
Protects boiler
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Zone Control with Valves (V) or Pumps (P)
Up to four onboard zones
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Zone Expansion using Wiring Centers
Offers quick installations & simple troubleshooting
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Features & Benefits
Outdoor Temperature Reset
Adjust water temperature based on outdoor temperature for energy savings
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Warm Weather Shut Down
Shut down heating systems in warmer weather
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Automatic Differential
Manage boiler run times automatically to reduce cycling
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Boiler Return Protection
Limits the amount of cool return water to boiler
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DHW Priority
Control stops space heating to focus on generating hot water
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Pump Exercising
Briefl y run pump to prevent seizing
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tekmarNet
®
Communication - 2 or 4 Wire
Network communication provides greater functionality
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Indoor Temperature Feedback
Indoor zones report exact heating needs to the system control
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Zone Synchronization
Coordinate heat demands, minimize equipment cycling
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Remote Monitoring
Access tekmarNet
®
systems via the internet with a Gateway 483
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Integrate with Home Automation Systems
Connect to home automation systems with a Gateway 482
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System Wide Control
Add a User Switch to quickly adjust all networked thermostat settings
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Classic Series
1+ Single modulating boiler or 2-stage boiler
*
Requires addition of mixing expansion module