Install Instructions

6 5- 0 0 8 9 — 2 G. R. R e v. 0 1- 01
ST7800A,C 7800 SERIES PLUG-IN PURGE TIMERS
Home and Building Control Home and Building Control
Honeywell Inc. Honeywell Limited-Honeywell Limitée
Honeywell Plaza 35 Dynamic Drive
P.O. Box 524 Scarborough, Ontario
Minneapolis, MN 55408-0524 M1V 4Z9
www.honeywell.com
Fig. 1. Purge card installation.
5. Reinstall the KDM, Dust Cover, Data ControlBus
Module™ or Remote Reset Module and restore power
to the device. Run the burner system through at least
one complete cycle to make sure that the system is
operating as desired.
Table 1. ST7800 Purge Timer Prepurge Timing.
a
ST7800C for RM7838C only. A mechanical interlock
prevents ST7800A from being installed.
ST7800A Number ST7800C Number
a
Prepurge Timing
ST7800A1005 — 2 seconds
ST7800A1013 ST7800C1003 7 seconds
ST7800A1021 — 10 seconds
— ST7800C1011 20 seconds
ST7800A1039 — 30 seconds
ST7800A1047 — 40 seconds
ST7800A1054 — 60 seconds
ST7800A1062 — 90 seconds
ST7800A1070 — 2.5 minutes
ST7800A1088 ST7800C1029 4 minutes
ST7800A1096 ST7800C1037 6 minutes
— ST7800C1045 8 minutes
ST7800A1104 — 9 minutes
— ST7800C1052 10 minutes
ST7800A1112 ST7800C1060 12 minutes
— ST7800C1078 14 minutes
ST7800A1120 — 15 minutes
— ST7800C1086 16 minutes
— ST7800C1094 18 minutes
— ST7800C1102 20 minutes
ST7800A1138 ST7800C1110 22 minutes
— ST7800C1128 24 minutes
ST7800A1146 ST7800C1136 30 minutes
— ST7800C1144 45 minutes