Bulletin 30-020.007
Copyright © 2019 Unico Inc. Page 3
TABLE OF CONTENTS
INTRODUCTION ................................................................................................................................... 4
PART NUMBERS .................................................................................................................................. 5
LOCATION ............................................................................................................................................ 5
EC MOTOR TEMPERATURE LIMITS ................................................................................................... 8
UNIT ASSEMBLY .................................................................................................................................. 8
MOUNTING ......................................................................................................................................... 13
Module Combination ............................................................................................................................ 14
.................................................................................................................. 14
Figure 14c. Screw Hole Pattern of Mounting ........................................................................................ 14
DUCT CONNECTIONS ........................................................................................................................ 15
PIPING ................................................................................................................................................ 17
WIRING ............................................................................................................................................... 21
CHECKING AIR FLOW ........................................................................................................................ 21
CHARGING THE SYSTEM .................................................................................................................. 23
MAINTENANCE (1218, 2430, 3036, 3642, 4860) ................................................................................ 26
Certified to UL Standard 1995
Conforms to CAN/CSA Standard C22.2 NO.
236