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TRIAD Boiler Systems, Inc.
Series 8900 SH
Space Heating Control Panel
Operation and Installation Manual
TRIAD Boiler Systems, Inc.
West Chicago, IL 60185
Phone: 630-562-2700
Fax: 630-562-2800
www.triadboiler.com
Printed in USA. 1/12/04
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Series 8900SH Control Panel Operation And Installation Manual TABLE OF CONTENTS Section Introduction 1 Sequence of Operation 2 Entry Codes 3 Sensor Calibration 4 Sensor Troubleshooting 5 Monitoring Codes 6 Error Codes 7 Explanation of Entry Codes 8 Fine Tuning the Heating System 9 Troubleshooting 10
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Series 8900SH Control Panel Operation And Installation Manual SECTION 1: INTRODUCTION This manual explains the operation, installation and control of TRIAD Boilers using the Series 8900 Microprocessor Control Panel. This manual provides information needed to operate the panel and to fine-tune the boiler system depending on the requirements of the structure that requires heating. We have taken care to make this manual as easy to understand as possible, and to anticipate common qu
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Series 8900SH Control Panel Operation And Installation Manual terminals of each pair should be connected to the same terminal in each boiler control center. Follow the drawing and wiring information carefully! KEYPAD WITH ENTRY PROCEDURES All functions of the Control Panel are activated through the use of two-digit Entry Codes via a simple keypad, which operates as follows: 1 2 3 4 5 6 7 8 9 * 0 # 1. Press the appropriate two digit Entry Code. 2. Wait for the Entry Code in the d
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Series 8900SH Control Panel Operation And Installation Manual In the event of power loss or damage to the control panel the boilers will revert to self control. At that point each boiler will cycle on and off according to its high limit control. TRIAD recommends that in this situation the high limits be set at approximately 180°F. Section 1 Introduction And Specifications
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Series 8900SH Control Panel Operation And Installation Manual WIRING DIAGRAM Section 1 Introduction And Specifications
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Series 8900SH Control Panel Operation And Installation Manual OUTDOOR AND RETURN WATER LINE SENSORS: Section 1 Introduction And Specifications
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Series 8900SH Control Panel Operation And Installation Manual SERIES 8900SH SPECIFICATIONS: Input Voltage 9.8 vac, 50/60 Hz, max input 35 vac with transient/surge protection Avg. Power Consumption 3VA Battery Protected Memory 8K RAM CPU Industry standard Z80, 4MHz Time Clock Internal crystal based clock Operating System Memory 8K EPROM Serial Interface 1200 Baud standard TTL signal level. Can be interfaced with modem or direct connect to IBM compatible PC Sensor Input Channels S
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Series 8900SH Control Panel Operation And Installation Manual GLOSSARY: Entry Codes: The set of two digit numbers that allow the operator to interact with the control panel. Error Code: A code shown on the display that indicates a problem exists either in the sensors or in the computer itself. Fine Tuning: Utilizing certain codes concerned with the boiler run time and the boiler staging to carefully "size" the output to the building to obtain the highest efficiency possible. Hig
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Series 8900SH Control Panel Operation And Installation Manual LIMITED FIVE -YEAR FULL TERM WARRANTY The Manufacturer warrants the equipment described as the Series 8900 Control Panel to be free from defects in material or workmanship under normal use and service. The Manufacturer's obligation under this warranty shall be limited to repairing or replacing any part of said panel, which the Manufacturer’s examination shall disclose to its satisfaction to be thus defective, for a pe
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Series 8900SH Control Panel Operation And Installation Manual SECTION 2: SEQUENCE OF OPERATION All functions of the Control Panel are activated through the use of two-digit Entry Codes that provide instruction to the panel. These codes are explained in more detail in Sections 3 and 8. The sequence of operation is best explained through the following example: Assume a six boiler TRIAD system heating an office building that is empty at night and on weekends, an average outside tem
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Series 8900SH Control Panel Operation And Installation Manual If the outside temperature continues to drop, then the calculated Reset Ratio (code 23) will be activated. More heat will be required to maintain the building temperature. To determine how much more, the control panel monitors (when in Automatic mode) the outdoor air temperature, the current Return Water Line temperature, the design return water temperature, and the design outdoor temperature. It then determines the R
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Series 8900SH Control Panel Operation And Installation Manual SECTION 3: ENTRY CODES The control panel is operated by Entry Codes, which are simple two digit numbers that provide the panel instructions. However, before entering any codes, you should become familiar with the features of the control panel. The 8900SH has a keypad and a set of 6 display LED’s. A code is entered by simply pressing any of the two digits on the keypad, which will then cause two LED’s on the far left t
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Series 8900SH Control Panel Operation And Installation Manual This code displays the month and year. Press 69, then enter Month, 1 to 12, and the year, 69 01, 02, 03, etc. Then press #. This code starts the sequence for the 20 codes. 20 This code stores the outside air temperature at which the heating system cycles off and on. 21 While the system can be set anywhere between 0° F and 120° F, TRIAD recommends a setting of around 60° F. Press 21, enter the desired temperature, and
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Series 8900SH Control Panel Operation And Installation Manual Record your settings the following worksheet and keep for future reference. Worksheet For Code Settings Date of Entries _________ CODE FUNCTION SETTINGS 62 System Mode 65 System Primary Pump (When Used) 66 Setback – On/Off 67 Hours and Minutes – 24 Hour Clock 68 Day of the Week – Day of the Month 69 Month and Year 21 Outside Temperature Shutdown Setting 22 Minimum Return Water Temperature Setting 23 Reset Ratio Settin
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Series 8900SH Control Panel Operation And Installation Manual SECTION 4: SENSOR CALIBRATION This section will deal with the calibration of the sensors that measure both outside air temperatures and water system temperatures. Correct calibration is very important so the control panel receives the accurate information necessary to properly control the building temperature. The TRIAD system uses a minimum of two sensors, one which is placed outside, on the north or northwest side
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Series 8900SH Control Panel Operation And Installation Manual rotate the screwdriver slot on the potentiometer R26 until the temperature shown on the display matches the outside temperature. The sensor is now calibrated. Now locate the Return Water Line sensor and measure the temperature as close as possible. Then, at the control panel enter 12. The display will show what the panel believes is the Return Water Line temperature. Correct as before, turning the screwdrive slot on
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Series 8900SH Control Panel Operation And Installation Manual SECTION 5: SENSOR TROUBLESHOOTING The wiring within the control panel from the Terminal Strip For Field Connections to the sensor input terminals on the circuit board are completed at the factory. Inside the panel is a second set of wires from each sensor to the “Terminal Strip For Field Connections” that is generally completed by the electrical contractor. Each pair of wires from a sensor is connected to the terminal
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Series 8900SH Control Panel Operation And Installation Manual SECTION 6: MONITORING CODES Monitoring codes display the information programmed into the control panel, such as what temperatures it was asked to maintain, what temperature setbacks it was instructed to use, and any other customized settings. The difference between Monitoring Codes and Entry Codes is that Entry Codes allow us to enter items such as the time, dates, setback, etc. through the keypad, while Monitoring Co
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Series 8900SH Control Panel Operation And Installation Manual This code, and the ones that follow, are all time clocks, providing elapsed running time since 90 the boilers were originally installed. Press Code 90 to start the display. This code allows you to pick which boiler to check the elapsed time on. To view boiler # 5 91 enter 91, and then 5. Then the panel will automatically go to code 92. This code shows the total number of hours and minutes that a boiler has run since
