Energy-tech-laboratories MR212 Bedienungsanleitung

May 2008 Rev. 11 FOR YOUR SAFETY The use and storage of gasoline or other flammable vapors and liquids in open containers in the vicinity of this appl

10Remote Control Panel On units shipped with the optional remote control panel, an electrical drop containing the panel wiring is provided with the h

11Pilot Assembly OPERATION Prior to starting up or operating the heater, check all fasteners for tightness. In particular, check the set screw in the

12Maxitrol M511 and M611 Low Fire Bypass Screw Mod Valve Voltage Summary Volts DC Firing Mode 0 to 5 VDC Low Fire 5 to 15 VDC Modulation 15 to 20

13Adjust pilot flame.Lock unit intohigh fire.Adjustincoming gaspressure.Does high fire produceat least a 70°F temprise and produce thecorrect manifol

14Maximum RPM and HP Chart Blower Size Maximum RPM Maximum HP 10” 1800 2 12” 1500 3 15” 1400 5 18” 1200 5 20” 1000 10 25” 900 20 Pulley Adjus

15 Pulley Combination Chart Motor RPM 1725

16Flame Safety Controller Air Flow Switch DC Flame Signal DC Voltage Flame Status 0 to 5 VDC No Flame 6 to 11 VDC Weak Flame 12 to 18 VDC Strong

17Maxitrol 14 Amplifier High Temperature Limit airflow switch to close. The high airflow switch protects against profile plate failures that caus

189 Begins Pilot Trial For Ignition and turns on PTFI LED 9 The pilot gas solenoid valve is opened, the spark igniter begins sparking, and the flam

19Components The following image and list outlines the typical direct fired heater components and their functions. 1. Gas Inlet –

20Remote Panel Option The Remote Panel is a device used to control the operation of the heater from a remote location. This unit is available in bot

21Troubleshooting The following tables list causes and corrective actions for possible problems with direct fired heater units. Review these lists p

22Burner Troubleshooting Chart Problem Potential Cause Corrective Action Pilot Does Not Light/Stay Lit Main gas if off Open main gas valve Air in

23Remote Panel Troubleshooting Chart Light Indication Condition Possible Cause No Lights Power not available to Remote Panel Bad voltage to unit M

24Is Freeze-Statopen?Adjust orReplaceIs end switch onMotorizedDamper closed?Adjust orReplaceactuatorYESYESNONothingHappensIs Overloadtripped onstarte

25MAINTENANCE To guarantee trouble free operation of this heater, the manufacturer suggests following these guidelines. Most problems associated wit

26Burner Orifice Drill Size Orifice Drill Size Gas Port 31 Air Port 43 2 weeks after startup 1. Belt tension should be checked after the first 2

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May 2008 Rev. 11 28Start-Up and Maintenance Documentation START-UP AND MEASUREMENTS SHOULD BE PERFORMED AFTER THE SYSTEM HAS BEEN AIR BALANCED AND WIT

3TABLE OF CONTENTS WARRANTY ...

4WARRANTY This equipment is warranted to be free from defects in materials and workmanship, under normal use and service, for a period of 12 months f

5INSTALLATION It is imperative that this unit is installed and operated with the designed airflow, gas, and electrical supply in accordance with this

6Recommended Supply Ductwork Sizes Blower Size Duct Size Straight Duct Length 10 14 x 14 48 in. 12 16 x 16 54 in. 15 20 x 20 72 in. 18 24 x

7Direct Fired Module Installation Indoor (INLINE) Installation Heat Module Add-On Installation Modular heat units shipped to add heat onto existing

8Gas Pressure Table Gas Pressure Type Gas Pressure Size 1-3 Inlet Pressure 7 in. w.c. – 14 in. w.c. Size 4-5 Inlet Pressure 7 in. w.c. – 5 psi. Ma

9Copper Wire Ampacity Wire Size AWG Maximum Amps 14 20 12 25 10 30 8 40 6 55 4 70 Electrical Before connecting power to the heater, read and underst