2 Page
CONTENTS
Installation Manual
SPECIFICATIONS .............................................4
INTRODUCTION ..........................................5
SAFETY GUIDELINES.....................................6
SAFETY DEFINITION ....................................6
GENERAL ......................................................6
INSTALLATION ................................................7
GENERAL ......................................................7
CLEARANCES ...............................................9
INCLUDED ACCESSORIES ............................9
OPTIONAL ITEMS ........................................ 9
WARNING FOR INSTALLATIONS ...............11
.............12
VENTING INSTRUCTIONS .........................13
General .....................................................13
Combustion Air Supply .............................15
Vent length and No. of Elbows .................19
DIP switch settings for Vent length ..........20
Clearances for sidewall terminations .......23
Clearances for rooftop terminations ........23
Clearances for multiple sidewall
terminations .............................................24
Clearances for multiple rooftop
terminations .............................................24
Vent termination clearances ....................25
GAS SUPPLY AND GAS PIPE SIZING .........26
General .....................................................26
Gas connections .......................................26
Natural Gas Supply Piping ........................27
Propane (LP) Supply Piping .......................27
Measuring inlet gas pressure ...................28
WATER CONNECTIONS .............................28
Pressure relief valve .................................29
ELECTRICAL CONNECTIONS .....................29
TEMPERATURE REMOTE CONTROLLER .....30
Included accessories .................................30
Installation ................................................30
.........................................32
Easy link connection procedures ..............32
......................................34
APPLICATIONS ..............................................35
SPACE HEATING APPLICATIONS ............... 35
RECIRCULATION ........................................35
......36
INITIAL OPERATION .....................................37
Owner's Guide
OPERATING SAFETY .....................................39
NORMAL OPERATION ..................................41
AND REMOTE CONTROLLER ..................41
GENERAL ....................................................41
TEMPERATURE SETTINGS ........................42
TEMPERATURE SETTINGS ON THE PCB ........44
FLOW .......................................................... 45
FREEZE PROTECTION SYSTEM ................. 45
MAINTENANCE AND SERVICE ................. 46
UNIT DRAINING AND FILTER CLEANING .......46
TROUBLESHOOTING .....................................47
GENERAL ....................................................47
ERROR CODES ...........................................49
COMPONENTS DIAGRAM ............................53
PARTS LIST ....................................................57
OUTPUT TEMPERATURE CHART ..................60
LIMITED WARRANTY ....................................61
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