INSTALLATION & OPERATIONS GUIDE | MICROSET 4
© Honeywell LT-MS4IOG Rev. 04 | Revised October 2015
4
Contents
Quick reference
5
Introduction 7
Specifications 8
Mounting 9
Wiring 14
Wire specifications
14
Power supply guidelines and requirements
14
Microset 4 power ratings
14
Power supply grounding and wiring
14
MS/TP LAN wiring
15
Terminating MS/TP LAN cabling
16
Grounding the MS/TP LAN shield
16
Terminating resistors
16
Wiring the wall sensor
17
Operational overview
18
Hotel vs. office modes
18
Fan-control vs. no-fan-control modes
18
Cooling and heating setpoint calculation
18
After-hours override operation
18
Housekeeping override operation
19
English and metric units
19
Outside air temperature (OAT) display
19
LCD backlight operation
19
Operating mode specifics
20
Enabling operating modes
21
Office modes
21
Hotel modes
24
Operating mode screens
27
Setting the MAC address and BACnet device instance
34
Service mode
35
Field Service Mode
38
Balance Mode
42
Custom Codes Mode
43
Settings Mode
43
Locking the Screen
45
BACnet object and property reference
46
Microset 4 objects
46
Object properties
47
BV and AV assignments
49
Troubleshooting 51
Appendix 52