York YVAG012 Operation & Maintenance Manual page 28

STEP 3: Back Panel Fixation
Back panel;
Notes:
1. Installed on flat surface, never excessively fasten upon the screw in case of deformation of back panel.
2. Installation box and communication cable pipe (supplied by user) from indoor unit to wire controller shall be
pre-embedded. Strip off the protective film from screen slowly in case of damage.
3. Power supply should be switched off and never touch printed circuit board by hands in case of any damage
while installation.
Communication Cable Connection
Wire Controller
of Touch Screen
A B 12V 0
A B12V 0
L1
FIGURE 27 – COMMUNICATION WIRING DIAGRAM FOR MODULAR UNIT（012~018）
Wire Controller Of
Touch Screen
A B 12V 0
A B 12V 0
FIGURE 28 – COMMUNICATION WIRING DIAGRAM FOR MODULAR UNIT（020~040）
JOHNSON CONTROLS
Cooke Industries - Phone: +64 9 579 2185
Pre-embedding and installation box;
FIGURE 26 – BACK PANEL FIXATION
1# Modular
Wiring Terminal RS485 BAS Board
YORK-DRV-002-HL
TB2
A B 12V 0 A G B
A B12V A B B
0
L2
1# Modular
Wiring Terminal
A B 12V 0 A4 B4
A B 12V 0 A B B
L2
L1
Email: sales@cookeindustries.co.nz
Controller size
2# Modular
3# Modular
RS485 BAS Board RS485 BAS Board
YORK-DRV-002-HL YORK-DRV-002-HL
A G B A G B
A B A B
A B A B
L3
2# Modular 3# Modular
Wiring Terminal
Wiring Terminal
A4 B4 A4 B4
A B A B
A B A B
L3
Web: www.cookeindustries.co.nz
FORM NO.: 6U5M-A11M-NB-EN
4# Modular
RS485 BAS Board
YORK-DRV-002-HL
A G B
A B
L4
4# Modular
Wiring Terminal
A4 B4
A B
L4
28