Installation Instructions - Supplemental Connecting PRIMERA
Contents
1. D In all cases the BMS must sense temperature on the building s hydronic distribution loop upstream of the PRIMERA boilers No attempt should be made to control the PRIMERA boilers by sensing temperature downstream of the boilers PN 105179 Page 2 of 22. Form number 34 400 5 R ive rside Issue Date 12 05 07 HYDRONICS Installation Instructions Supplemental Connecting PRIMERA boilers to a Boiler Management System Installation of Boiler Management System must be performed by a qualified service installer or service agency These instructions are to supplement the Installation and Maintenance Manual provided with your Primera water heater or boiler Before you begin read and follow these instructions as well as the information contained in the Primera Installation and Maintenance Manual To obtain an additional copy of the Primera Installation and Maintenance Manual or for any questions call Riverside Hydronics LLC at 1 800 990 5918 WARNING If the information in the supplied instructions and manual s is not followed exactly a fire explosion or exposure to hazardous materials may result causing property damage personal injury or loss of life Connections for BMS control are made to the terminal strip located on rear of PRIMERA control box The terminal strip is accessed by removing the PRIMERA top pan Refer to above picture for all applications If BMS is to provide remote on off control only 1 Remove the jumper connecting terminals R1 and R2 2 Connect the BMS output leads for the enable disable function to terminals R1 and R2 3 Leave all other wires in their initial positions If BMS provides STAGE FIRING control Models 400B 750B and 1000B 1 Remove the jump
3. er connecting terminals R1 and R2 2 Connect the BMS first stage leads to terminals R1 and R2 no polarity 3 Connect the BMS second stage leads to terminals T1 and T2 no polarity 4 On the TempTrac Control move parameter St1 up to its maximum setting of 180 F This setting effectively takes the TempTrac out of the way and allows complete control by the BMS system 5 Leave all other wires in their initial positions NOTE BMS must call for both first and second stage operation before firing cycle will be initiated Afterward BMS can cycle between low and high fire PN 105179 Page 1 of 2 Form number 34 400 5 Issue Date 12 05 07 If BMS provides MODULATION control through a 4 to 20 milliamp or 0 to 10 volt signal Remove the jumper connecting terminals R1 and R2 Connect the BMS output leads for the enable disable function to terminals R1 and R2 no polarity Remove blue wire from terminal T1 and cap the end with a wire nut Secure the loose wire Connect the BMS variable signal output leads to terminals T1 and T2 T1 is positive T2 is negative On the TempTrac Control move parameter St1 up to its maximum setting of 180 F This setting effectively takes the TempTrac out of the way and allows complete control by the BMS system If the BMS supplies a 0 to 10 volt signal remove the resistor connecting terminals 1 and 3 For milliamp signal resistor must remain in place 7 Leave all other wires in their initial positions ARON
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