GDS8 Installation Manual

3
Table of Contents
PROPANE GAS TANKS AND PIPING ......................................................................................................... 22
CIRCULATING AIR AND FILTERS .................................................................................................................... 22
DUCTWORK - AIR FLOW ...................................................................................................................... 22
C
HECKING DUCT STATIC ..................................................................................................................... 23
F
ILTERS - READ THIS SECTION BEFORE INSTALLING THE RETURN A IR DUCTWORK ............................................ 23
UPRIGHT INSTALLATIONS ..................................................................................................................... 23
C
IRCULATION AIR FILTERS ................................................................................................................... 24
H
ORIZONTAL INSTALLATIONS ................................................................................................................ 24
SEQUENCE OF OPERATION (INTEGRATED IGNITION CONTROL) ................................................................................ 24
P
OWER UP ...................................................................................................................................... 24
H
EATING MODE ................................................................................................................................. 24
(MODE DIP SWITCH IS SET TO “1 STG” POSITION).................................................................................. 24
(M
ODE DIP SWITCH IS SET TO “2 STG” POSITION) ................................................................................. 24
C
OOLING MODE ................................................................................................................................25
FAN ONLY MODE .............................................................................................................................. 25
START-UP PROCEDURE AND ADJUSTMENT ....................................................................................................... 25
FURNACE OPERATION .......................................................................................................................... 25
FURNACE START-UP ........................................................................................................................... 25
FURNACE SHUTDOWN ......................................................................................................................... 26
GAS SUPPLY PRESSURE MEASUREMENT .................................................................................................. 26
GAS MANIFOLD PRESSURE MEASUREMENT AND A DJUSTMENT ....................................................................... 28
GAS INPUT RATE MEASUREMENT (NATURAL GAS ONLY) ............................................................................ 29
TEMPERATURE RISE ........................................................................................................................... 30
CIRCULATOR BLOWER SPEED ADJUSTMENT ............................................................................................. 30
CIRCULATOR BLOWER FAN TIMING A DJUSTMENT ...................................................................................... 30
SETTING FURNACE OPERATING MODE (GDH8, GME8, *MH8, AMEH8 AND ADSH8 MODELS ONLY) ............. 31
OPERATIONAL CHECKS .............................................................................................................................. 31
BURNER FLAME ................................................................................................................................31
AUXILIARY LIMIT CONTROL ................................................................................................................. 31
SAFETY CIRCUIT DESCRIPTION .................................................................................................................... 32
GENERAL ......................................................................................................................................... 32
INTEGRATED CONTROL MODULE ............................................................................................................. 32
PRIMARY LIMIT ................................................................................................................................32
AUXILIARY LIMIT ............................................................................................................................... 32
ROLLOUT LIMITS .............................................................................................................................. 32
PRESSURE SWITCHES ......................................................................................................................... 32
FLAME SENSOR ................................................................................................................................32
TROUBLESHOOTING ................................................................................................................................... 32
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ................................................................................... 32
DIAGNOSTIC CHART ........................................................................................................................... 32
FAULT RECALL ................................................................................................................................32
RESETTING FROM LOCKOUT ................................................................................................................ 33