8 Raypak, Inc.
HTC# 059105-00D
The TempTracker mod+ Hybrid has been designed with Hydronic building heating, using both condensing and non-condensing
boilers, as the primary purpose. As well, it is capable of controlling modulating or staging boilers. With this in mind, many of the
TempTracker mod+ Hybrid features can be utilized to ease, enhance, and improve your system performance.
The TempTracker mod+ Hybrid can operate both modulating and staging boilers. Just specify each of the Condensing and Non-Condensing
boiler group type and the TempTracker mod+ Hybrid will activate the groups based on an adjustable set of criteria.
The TempTracker mod+ Hybrid's control algorithms allow it to look at the rate of change in the system. If the system temperature is
changing quickly, the TempTracker mod+ Hybrid will react quickly to adjust the modulating stages’ output. If the system temperature
changes slowly, the TempTracker mod+ Hybrid will make slow and gradual output adjustments. Therefore, the TempTracker mod+ Hybrid
adapts to specic system requirements and minimizes uctuations around the set point.
Whenever any of the Condensing or Non-Condensing group type is set to Modulating, the TempTracker mod+ Hybrid will accurately control
the output from 0 to 100% of modulation for each of these different types of motors. Moreover, a single TempTracker mod+ Hybrid can
control multiple modulating burners each with a different modulating signal.
Whenever one of the Condensing or Non-Condensing group Type is set to Staging, the TempTracker mod+ Hybrid will accurately
sequence the stages using a PID logic. The sequencing group will have a set of adjustable parameters to help achieve better operation.
The TempTracker mod+ Hybrid’s alphanumeric digital display names each system parameter in simple English and shows its precise
value. The easy to follow menu system allows users to quickly make changes to any system setting without having to learn any specialized
codes or keyboard commands.
Rotating the lead stage of each group promotes even wear. The TempTracker mod+ Hybrid has three modes of rotation: Manual, Last
On, or Time. The Time rotates the lead stage every selected time period from every hour to every 60 days.
The TempTracker mod+ Hybrid has a hydronic outdoor temperature reset function. This allows the TempTracker mod+ Hybrid to change
the set point based on outdoor temperature. Furthermore, additional settings have been added to ne tune this operation, like Offset,
Minimum, and Maximum Water Temperature and night setback schedule.
This output can be used to activate a system pump, combustion air damper, or perform any other function that is required when any stage
is active. It will energize whenever the outdoor temperature is below the Outdoor Cutoff setting. A System Prove input checks the status
of components activated by the System output before stages can be activated.
The TempTracker mod+ Hybrid can stage modulating boilers as needed. In Normal Modulation, it will allow the modulation to increase
on the lead boiler until it reaches its modulation start point adjustment. Then, the TempTracker mod+ Hybrid will start the next boiler
and so on. Moreover, the TempTracker mod+ Hybrid allows for a parallel mode that can modulate several boilers together as a one large
boiler. This mode is useful when used with condensing boilers as they run more efcient at lower modulation. Thus, it is better to run
several boilers at lower modulation than to run a single boiler at full re.
As a stand-alone, the TempTracker mod+ Hybrid is designed to control four stages. However, it has the capability of expanding its control
to two extension panels each with six boiler stages. Thus, the TempTracker mod+ Hybrid can control a total of up to 16 boiler stages.
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