Form No. 43539470
Oct 2019 A
–3–
TABLE OF CONTENTS
Section Description
Page
1.0)
SAFETY .......................................................................................................................... 4
2.0)
INSTALLER RESPONSIBILITY ..................................................................................... 4
3.0)
GENERAL INFORMATION ............................................................................................ 5
4.0)
MINIMUM CLEARANCES TO COMBUSTIBLES ......................................................... 6
5.0)
SPECIFICATIONS .......................................................................................................... 7
6.0)
DIMENSIONS ................................................................................................................ 8
7.0)
INSTALLATION – SUSPENSION. HANGING AND LEVELING THE HEATER ............ 9
8.0)
GAS CONNECTIONS ..................................................................................................... 10
8.1) SEDIMENT TRAP AND GAS LEAK CHECKS ............................................................... 11
8.2)
GAS LEAK TEST ............................................................................................................ 11
8.3)
INSTRUCTIONS FOR PRESSURE TEST GAUGE CONNECTION ................................ 12
9.0)
ELECTRICAL REQUIREMENTS .................................................................................... 13
10.0)
LIGHTING AND SHUTDOWN INSTRUCTIONS ............................................................ 15
10.1)
DIRECT SPARK (DS) IGNITION SYSTEM .................................................................... 15
11.0)
SEQUENCE OF OPERATION ........................................................................................ 15
11.1)
DIRECT SPARK IGNITION SEQUENCE OF OPERATION ........................................... 15
11.2)
VARIABLE HEAT OUTPUT ADJUSTMENT ................................................................... 16
12.0)
VENTILATION ................................................................................................................ 16
13.0)
CLEANING AND ANNUAL MAINTENANCE ................................................................. 17
14.0)
SERVICING .................................................................................................................... 18
14.1)
MOTOR AND BLOWER ASSEMBLY ............................................................................ 19
14.2)
AIR PROVING (SAIL SWITCH) ..................................................................................... 19
14.3)
IGNITION CONTROL MODULE (DSI) ........................................................................... 19
14.4)
TRANSFORMER ............................................................................................................ 20
14.5)
HIGH TEMPERATURE LIMIT SWITCH ......................................................................... 20
14.6)
FLAME SENSOR ........................................................................................................... 20
14.7)
SPARK ELECTRODE AND HOT SURFACE IGNITER .................................................. 20
14.8)
GAS VALVE (DSI) .......................................................................................................... 21
14.9)
BURNER ORIFICE ......................................................................................................... 21
14.10) MAIN BURNER CHECKS .............................................................................................. 21
15.0)
REPLACING PARTS ...................................................................................................... 21
15.1)
REMOVAL OF MOTOR AND BLOWER ASSEMBLY ................................................... 21
15.2)
REMOVAL OF AIR PROVING (SAIL) SWITCH ............................................................ 22
15.3)
REMOVAL OF IGNITION CONTROL MODULE – DSI MODELS ................................. 23
15.4)
REMOVAL OF TRANSFORMER – DSI MODULES ..................................................... 23
15.5)
REMOVAL OF HIGH TEMPERATURE LIMIT SWITCH – ALL MODELS .................... 24
15.6)
REMOVAL OF FLAME SENSOR – DSI MODELS ........................................................ 24
15.7)
REMOVAL OF ELECTRODE AND HOT SURFACE IGNITER – DSI MODELS ............ 25
15.8)
REMOVAL OF GAS VALVE AND BURNER ORIFICE – DSI/HSI MODELS ............... 25
15.9)
REMOVAL OF MAIN BURNER – ALL MODELS ......................................................... 26
16.0)
GAS TYPE CONVERSION ............................................................................................. 26
17.0)
TROUBLESHOOTING .................................................................................................... 27
17.1)
TROUBLESHOOTING CHART – DSI ............................................................................ 27
17.2)
TROUBLESHOOTING CHART - DSI .............................................................................. 28
18.0)
REPLACEMENT PARTS GUIDE.................................................................................... 29
19.0)
WARRANTY ................................................................................................................... 35