6
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
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The input wiring terminals of different control modes are different.
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The network cable of the LAN port should be controlled within 80 meters.
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If the wiring is wrong, the product may be damaged.
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Be sure to cut off the power to the gateway and air conditioner during wiring work; otherwise, it may cause
malfunction.
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Please pay attention to avoid routing the signal wires and cables side by side with the power wires;
otherwise, it may cause malfunction due to signal interference. If side-by-side wiring cannot be avoided,
please keep the distance between the communication line related to this product and the communication
line of the air-conditioning system at least 15cm and the distance from other wiring at least 30cm. Or,
connect the cable in a protective iron tube and ground one end of the tube. The chassis must be type D
grounded.
PRECAUTIONS FOR WIRING:
