Sidel Combi-Combi Therm & CO2 Counter Installation Guide

Sidel Combi-Combi Therm & CO2 Counter Installation Guide

Introduction Thank you for purchasing the Sidel Combi-Combi Therm & CO 2 Counter. The Combi-Combi Therm & CO 2 Counter control panel should be installed only by a qualified electrician, and follow local electrical codes according to the NEC requirements. This document describes the steps for installing the Sidel Combi- Combi Therm & CO 2 Counter control panel. For information on programming or to learn how to set up the Sidel Combi-Combi Therm & CO 2 Counter, please refer to the the Sidel Combi-Combi Therm & CO 2 Counter Operation Manual. Inspecting the unit Carefully inspect the unit for damage that may have occured during transport. Verify that the list of materials on the packing slip matches the items in the container. The Sidel Combi-Combi Therm & CO 2 Counter control panel and accessories were inspected and tested before shipment. Examine the equipment carefully. If any shipping damage is evident in the unlikely event of material shortage, notify Sidel Systems immediately. Warranty Sidel Systems warrants each Sidel Therm & CO 2 Counter controller to be free from electrical and mechanical defects in materials and workmanship for a period of one year from the date of shipment.

Installation of the Panel The Sidel Combi-Combi Therm & CO 2 Counter panel installation work shall be performed in strict observance of the procedures and rules described in this manual. Pay careful attention to the placement of the Therm & CO 2 Counter and associated sensor cable routing. This can significantly influence the performance and integrity of the control panel, especially the reading of the temperatures. The maximum distance of any sensor to the control panel should not exceed 50 ft. The Therm & CO 2 Counter panel should be mounted flush on a flat surface and should be supported by 5/ 16 anchor bolts or similar bolts. The Therm & CO 2 Counter is rated for NEMA 4 installations. This means that when the Combi-Combi Therm & CO 2 Counter is properly closed, the panel will be protected from wind-blown dust and rain. Power connection The panel is designed to withstand electrical noise in harsh industrial environments. It will also conform to requirements that limit electrical emissions. However, this does not guarantee that the product will be totally immune from possible malfunction in those cases where severe electrical noise occurs. Therefore, we strongly recommend that you follow the guidelines outlined in this guide for proper wire routing and grounding to insure the proper operation of the control panel. The control panel must be connected to a good, high-integrity earth ground both for safety considerations and shielding purposes. Sidel Systems cannot overemphasize the importance of good grounding. If you fail to use good grounding procedures during installation, sporadic malfunction of the Therm & CO 2 Counter may occur. Connect the Combi-Combi Therm & CO 2 Counter s Sidel Systems Combi-Combi Installation Manual Page 1

chassis ground terminal to a reliable earth ground with a low-resistance path. The supply power and ground wire size shall be between a #14 and #12 AWG (THHN or equivalent). To prevent undesirable interference these wires should be placed in a separate conduit away from the signal cables. The 120 volt power line shall be connected to at least a 10 Amp circuit breaker. The colors are: line (black wire), neutral (white wire) and ground (green wire). Figure 1: power connection Connect the line wire to terminal L, the neutral to terminal N, and the ground wire to the green and yellow terminal as show at figure 1. Page 2 Sidel Systems Combi-Combi Installation Manual

Thermocouple sensors installation There are eight thermocouples to be installed. The six thermocouples with 2 sensor tips need to be installed on the inlets and outlets of the water connections and the two thermocouples with the 12 sensor tips need to be installed in the inlet and outlet of the exhaust air. The threads of the water temperature sensors should be wrapped with Teflon tape to ensure that they will be free from any leaking. Once the sensors are properly installed, connect the thermocouple wires accordingly, and make sure that each wire is connected to the right terminal as shown in figure 2. The terminal for the red thermocouple wire is painted red and the terminal for the white thermocouple wire is not painted. In order to ensure proper connection, make a loop at the end of the wire so that the wire will make a complete ring around the connecting screw. Figure 2: Connection of thermocouple: 1) Make a loop on each wire. 2) Red wire to red painted terminal. White to the unpainted terminal. 3) Secure wires to terminals. Every sensor and thermocouple wire installed should be marked with its correspondent designation (i.e. lower section inlet water, lower section outlet water, etc...) to insure that each sensor is properly connected to its respective terminal at the Therm & CO 2 Counter. The thermocouple wires must be routed inside a separate conduit from the Sidel SRU Flue Gas Condenser unit to the Therm Sidel Systems Combi-Combi Installation Manual Page 3

& CO2 Counter to minimize electrical noise. At the Sidel Combi-Combi Therm & CO2 Counter panel connect each sensor wire as shown on figure 3. Figure 3: Thermocouple wire connections Output signal connections All outputs are connected to a 120 VAC circuit. The common connection for these terminals is number 100. The connection for the solenoid valve to close the Figure 4: Output connections Page 4 Sidel Systems Combi-Combi Installation Manual

chimney valve is terminal number 51. The terminal connection for the solenoid valve to open the chimney valve is terminal number 52. The Sidel Combi-Combi Therm & CO2 Counter can be equipped with additional outputs at a customer request. These outputs can be used to activate an external device or alarm signal. Figure 5: Input connections Input signal connections All sensor input signals in the Therm & CO2 Counter panel are low voltage (24VDC) to the PLC internal circuit. The common connection for these input circuits is terminal 24. Safety Precautions Please observe the following precautions when installing the Sidel Combi-Combi Therm & CO2 Counter. Failure to comply with these restrictions could result in loss of life, serious personal injury, or equipment damage. Do not install or operate the unit in areas subject to explosion due to flammable gases or vapors. Sidel Systems Combi-Combi Installation Manual Page 5