Energy Tech Laboratories MR212 Manuale Utente

TABLE OF CONTENTS

WARRANTY .................................................................................................................................................. 4

INSTALLATION ............................................................................................................................................. 5

Mechanical ................................................................................................................................................ 5

Site Preparation .................................................................................................................................... 5

Assembly .............................................................................................................................................. 5

Curb and Ductwork ............................................................................................................................... 5

Roof Mount Installation ......................................................................................................................... 6

Installation with Exhaust Fan ................................................................................................................ 6

Direct Fired Module Installation ............................................................................................................ 7

Indoor (INLINE) Installation .................................................................................................................. 7

Heat Module Add-On Installation ......................................................................................................... 7

Gas ........................................................................................................................................................... 8

Electrical ................................................................................................................................................... 9

Motorized Intake Damper ..................................................................................................................... 9

Remote Control Panel ........................................................................................................................ 10

Fan to Building Wiring Connection ..................................................................................................... 10

OPERATION ............................................................................................................................................... 11

Start Up ................................................................................................................................................... 11

Special Tools Required ...................................................................................................................... 11

Start Up Procedure ............................................................................................................................. 11

Pilot Adjustment .................................................................................................................................. 11

Main Burner Adjustment ..................................................................................................................... 12

Heater Start Up Summary .................................................................................................................. 13

Final Start Up Procedure .................................................................................................................... 14

Pulley Adjustment ............................................................................................................................... 14

Pulley Alignment ................................................................................................................................. 14

Proper Belt Tension ............................................................................................................................ 14

Pulley Combination Chart ................................................................................................................... 15

Sequence of Operation ........................................................................................................................... 16

Flame Safety Control .......................................................................................................................... 16

Air Flow Switch ................................................................................................................................... 16

Modulating Gas System ..................................................................................................................... 17

High Temperature Limit ...................................................................................................................... 17

Operation Summary ........................................................................................................................... 17

Optional Remote Panel Circuit ........................................................................................................... 18

Components ............................................................................................................................................ 19

Remote Panel Option ......................................................................................................................... 20

Troubleshooting ...................................................................................................................................... 21

Airflow Troubleshooting Chart ............................................................................................................ 21

Burner Troubleshooting Chart ............................................................................................................ 22

Remote Panel Troubleshooting Chart ................................................................................................ 23

Troubleshooting Flowcharts ............................................................................................................... 24

MAINTENANCE .......................................................................................................................................... 25

General Maintenance ............................................................................................................................. 25

2 weeks after startup .............................................................................................................................. 26

Every 3 months ....................................................................................................................................... 26

Filter Quantity Chart ........................................................................................................................... 26

Yearly ...................................................................................................................................................... 26

Start-Up and Maintenance Documentation ............................................................................................ 28

Job Information ................................................................................................................................... 28

Heater Information .............................................................................................................................. 28

Maintenance Record .......................................................................................................................... 28

Factory Service Department ............................................................................................................... 28