40VM900007 ERV
VRF (Variable Refrigerant Flow) System
Indoor Unit Interface
Manufacturer reserves the right to discontinue, or change at any time, specifications
or designs without notice and without incurring obligations.
Catalog No. 17-40VM900007-01 Printed in U.S.A. Form 40VM-6SI
Pg 1 09-17 Replaces: New
Installation and Operating Instructions
Part Number 40VM900007
CONTENTS Page
CONTENTS ..........................................................................................1
SAFETY CONSIDERATIONS ..............................................................2
GENERAL ............................................................................................3
ACCESSORIES ................................................................................... 4
DIMENSIONS ...................................................................................... 5
SELECTING INSTALLATION POSITION ............................................6
RECOMMENDED CLEARANCES .......................................................7
INSTALLATION ....................................................................................8
WIRING DETAILS.................................................................................9
POWER WIRING.................................................................................10
COMMUNICATION WIRING...............................................................11
TEMPERATURE SENSOR DETAILS ................................................13
THIRD-PARTY CONTROLLERS .......................................................15
CONTROL SIGNAL OUTPUT ............................................................16
DIP SWITCH SETTINGS ....................................................................17
OPERATING INSTRUCTIONS ...........................................................19
SIGNAL INPUT AND OUTPUT ..........................................................21
TROUBLESHOOTING .......................................................................24