Configuration Menu (Descriptions) - 5100 Series
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Configuration Menu - 5100 Series (Descriptions)

In most applications only a few, if any, configuration changes will be necessary.  Following is a description of the configuration settings and their functions:
Configuration Number Location Number Name Default Value Description
C000 L010 Off-Peak Method of Charge Control 5 Sets the method of brick core charging to be used during off-peak (charge) periods. System is configured for automatic charge control which is a value of five (5).
C001 L012 Start Brick Core Charge Set Point 50 If utilizing automatic charge control as set in C000, this value indicates the outdoor temperature at which the system will start charging.
C002 L013 Full Brick Core Charge Set Point 10 If utilizing automatic charge control as set in C000, this value indicates the outdoor temperature at which the system will target a full core charge.
C003 L020 Power Line Carrier (PLC) Channel Selection 0 If using PLC communication, this setting must match the channel setting in the Steffes PLC transmitting device. A value of zero indicates power line carrier communication is disabled.
C004 L035 Optional Controls Configuration 9 Notifies the unit when Time Clock Module or Outdoor Sensor are being utilized.
Value Configuration Description

8

No Outdoor Sensor/No Time Clock Module

9

Outdoor Sensor/No Time Clock Module

12

 No Outdoor Sensor/Time Clock Module

13

 Outdoor Sensor/Time Clock Module

 
C005 L036 Control Switch Configuration 1 If utilizing power line carrier control the utility peak control switch opens for charge, line voltage peak control, or the Steffes Time Clock Module, this value should be zero. For all other applications, this value should be one (1).
C006 L037 Output Control Configuration 2

Configures the output controls of the Comfort Plus Hydronic system. To determine the value, check the options desired from the list below. Then, add the numbers from the "Value" column and enter the sum into this location. If not used in conjunction with a heat pump or air conditioner, the value in this location should be set to two (2).

Value

Option Selected

2

All Comfort Plus Hydronic Systems (5100 Series)

8

Enables compressor control if there is a "COOL" call during a peak (control) time.

32

If it is a peak (control) period and the Comfort Plus Hydronic receives a cooling call, the compressor will turn off and on in 20 minute intervals (off 20 minutes, on 20 minutes, off 20 minutes, etc.).

128

Interfaces Comfort Plus Hydronic with a heat pump that has a reversing valve which is energized for heating.
C007 L043 Charge Factor 30

This configuration should be set to a value of 30.

NOTE: C008 through C009 configurations are only applicable if the Comfort Plus Hydronic system is being used in conjunction with a heat pump.
C008 L046 Heat Pump Compressor Outdoor Lock-Out Temperature for Off-Peak or Anticipated Peak Modes 5

Indicates the outdoor temperature at which the heat pump’s compressor is locked out and not allowed to operate during an off-peak or anticipated peak period.
C009 L047

Heat Pump Compressor Outdoor Lock-Out Temperature for On-Peak Mode

 5

Indicates the outdoor temperature at which the heat pump’s compressor is locked out and not allowed to operate during an on-peak period.
C010 L048 Minimum Discharge Air Temperature 90 Sets the minimum discharge air temperature the system targets during a Stage 1 heat call.

NOTE: C011 and C012 configurations must be set for the hottest temperature zone in the installation. C011 is the highest temperature the system will target and C012 is the lowest temperature the system will target during a heat call. Outdoor reset is done using these two temperatures. (See graph.)

yellow triangle with exclamation pointWARNING

Risk of property damage. Improper water temperature settings can result in damage to the floor covering. Make sure the maximum and minimum water temperatures are appropriate for the application.
C011 L000 Maximum Outlet Water Temperature 140 The value set indicates the maximum outlet water temperature to be targeted. The targeted outlet water temperature is affected by the values in C001 and C002. For example, if the value in C001 = 50; C002 = 10; C011 = 180; C012 = 140, then at an outdoor temperature of 30 degrees, the targeted outlet water temperature would be 160 degrees.
C012 L001 Minimum Outlet Water Temperature 140 The value set indicates the minimum outlet water temperature to be targeted. The targeted outlet water temperature is affected by the values in C001 and C002. For example, if the value in C001 = 50; C002 = 10; C011 = 180; C012 = 140, then at an outdoor temperature of 30 degrees, the targeted outlet water temperature would be 160 degrees.
C013-C021 L003, L062-L073 Time Clock Module Configuration C013:244, Rest:0:00 These configuration settings are used to configure the peak control times when utilizing the optional Steffes Time Clock Module. Refer to the installation and configuration instructions included with the module for more information.