22
VARIABLE REFRIGERANT FLOW
INSTALLATION MANUAL
MODEL: TIS-VRF-AC
TIS CONTROL LIMITED
FLAT/RM A 12/F ZJ 300, 300
Lockhurt Rd, Wab Chai, HONG
KONG
TEXAS INTELLIGENT SYSTEM LLC
SUITE# 610. 860 NORTH DOROTHY DR
RICHARDSON
TX 75081.USA
Copyright © 2022 TIS, All Rights Reserved
TIS Logo is a Registered Trademark of Texas Intelligent System LLC in the
United States of America. This company takes TIS Control Ltd. in other
countries. All of the Specifications are subject to change without notice.
w w w . t i s c o n t r o l . c o m
LED INDICATOR BEHAVIOR
Name
Representative
equipment
Light status
Meaning
SYS1
SYS2
Gateway
SYS1 flashes slowly
Gateway is normal.
SYUS1 and SYS2 lights areis always on
Gateway is abnormal.
SYS1 Steady ON
Gateway is initializing.
SYS2 Steady ON
The gateway is not authorized.
DEV1
DEV2
Device
DEV1 Steady green
Searching for air conditioner…
DEV1 Flashing
The gateway has found the air conditioner, fresh
air, and panel equipment. The light flashes slowly
when the device is running, and the green light
flashes quickly when the device has data.
DEV1 and DEV2 is steady ON
When the gateway does not find the air conditioner,
fresh air, and panel device, the air conditioner bus
has a fault code or the bus has no data.
DEV2 steady ON
Air conditioner failure during operation.
NET
Data
NET Lights Off
No data is being transmitted.
Net LED ON
There is data transmission.
