GRC SERIES ..................................................................................................................................... 21
CONTROLS .................................................................................................................................. 21
PROGRAMMING .......................................................................................................................... 22
SHUTDOWN................................................................................................................................. 29
EXTENDED SHUTDOWN ........................................................................................................... 29
DAILY FILTERING ....................................................................................................................... 31
CLEANING ......................................................................................................................................... 33
DAILY ............................................................................................................................................ 33
WEEKLY OR AS REQUIRED ...................................................................................................... 33
MAINTENANCE ................................................................................................................................. 34
LUBRICATION ............................................................................................................................. 34
VENT ............................................................................................................................................ 34
SERVICE ...................................................................................................................................... 34
TROUBLESHOOTING GUIDE .......................................................................................................... 35
TABLE OF CONTENTS (Cont.)
- 4 -