York YVAG012 Operation & Maintenance Manual page 29

Notes:
1. Communication cables between host and wire controller should be 85% net type shielded wire of four-core,
which length is within 15m.
2. Communication cables between units should be 85% net type shielded wire of two-core, specifications and
length are as following table.
FIGURE 29 – COMMUNICATION WIRING DIAGRAM FOR FAN COIL CONTROL（012~018）
Wire Controller of
Touch Screen
A B 12V 0
A B12V A B12V 0 0
A B12V 0
L1
FIGURE 30– COMMUNICATION WIRING DIAGRAM FOR FAN COIL CONTROL（020~040）
Notes:
1. Communication cables between host and wire controller should be 85% net type shielded wire of four-core,
which length is within 15m.
2. Communication cables between units and fan coils should be 85% net type shielded wire of two-core,
specifications and length are as following table
Total length of communication cable
(from wire controller to the last unit)
Model of communication line
Notes:
1. All the communication cables should be equipped on site as per the above requirement, and any
inconformity should be submitted to YORK Company for confirmation in case of unit malfunction.
2. Modular connection and fan coil joint control cannot be applied simultaneously
JOHNSON CONTROLS
Cooke Industries - Phone: +64 9 579 2185
1# Modular
1# Fan Coil
Wiring Terminal
Wiring Terminal
A B 12V 0 A4 B4
A B
L2
TABLE 8– COMMUNICATION CABLE SPECIFICATION
Email: sales@cookeindustries.co.nz
31# Fan Coil
Wiring Terminal
A4 B4 A4 B4
A B A B
A B
L3 L31
L=L1+L2+L3+L4+·····+L32 (Unit: m)
L﹤100 m 100 m﹤L﹤500 m
2
RVSP2×0.75mm RVSP2×1.0mm
Web: www.cookeindustries.co.nz
FORM NO.: 6U5M-A11M-NB-EN
32# Fan Coil
Wiring Terminal
A4 B4
A B A B
L32
2
29