
10
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.
www.tiscontrol.com
4
5
At this time, the information page will be
displayed. The rst page displays the air
conditioner brand, supported protocols,
normal operation/errors of the machine,
and the number of air conditioners
searched. (When the number of air
conditioners is 0, it is searching for air
conditioners. It takes about 5 minutes
to refresh. The interface can display the
number of air conditioners searched.)
At this time, press “ ” to switch to the
next page. The rst line displays the IP
of the unit, and the second line displays
the rmware version number. At this
time, press “ ” again to switch to the
last information page, which displays
the presence or absence of remote
functions, brand information of fresh air
and oor heating, etc. Each information
page can be viewed and moved through
using “ ” and “ ” as shown in the
gure below.
When the air conditioner is running
abnormally, the position displayed on the
LCD panel will change to display the air
conditioner fault code and digital code.
Using the air conditioner’s fault code,
you can consult with us to nd out how to
repair it, or return it to the original supplier
for a repair. When the air conditioner
failure code is removed, it will show that
the air conditioner is running.
Fault code
HARDWARE CONFIGURATION