Table of Contents
Advertisement
3A Heat Recovery Unit SW01D Rotary Dial Settings
for Branch / Port Group Control
The maximum capacity of each 3A Heat Recovery Unit 60,000 Btu/h. The 96 kBtu/h Hydro Kit re-
quires that two adjacent heat recovery unit ports be connected together with an inverted Y-branch
(ARBLB03321) to provide the necessary capacity. If two ports are connected together, address the
ports as shown below using the SW01D rotary dial on the Main (Master) PCB only.
•
•
Figure 108: Example of Group Controlling Heat Recovery Unit Branches / Ports for the PRHR*3A Heat Recovery Unit Series.
4 3 2 1
38k
IDU
Table 47: Main Master PCB SW01D Branch / Port Group Control Settings for PRHR*3A Heat Recovery Units.
Branch / Port Group Control
No Grouping
Group Control Branches / Ports 1 and 2
Group Control Branches / Ports 2 and 3
Group Control Branches / Ports 3 and 4
Group Control Branches / Ports 5 and 6
Group Control Branches / Ports 6 and 7
Group Control Branches / Ports 7 and 8
Group Control Branches / Ports 1,2 and 3,4
manual.
92k
IDU
Main (Master) PCB
SW01D Setting
0
1
2
3
4
5
6
7
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG Life's Good" is a registered trademark of LG Corp.
PRE-COMMISSIONING
Hydro Kits with Heat Recovery Units
Branch / Port Group
Group Control Branches / Ports 5,6 and 7,8
Group Control Branches / Ports 1,2 and 5,6
Group Control Branches / Ports 1,2 and 7,8
Group Control Branches / Ports 3,4 and 5,6
Group Control Branches / Ports 3,4 and 7,8
Group Control Branches / Ports 1,2 and 3,4 and 5,6
Group Control Branches / Ports 1,2 and 3,4 and 6,7
Group Control Branches / Ports 1,2 and 3,4 and 7,8
Figure 107: Eight-Port 3A Heat Recovery
Unit (Example of How the Ports are
Numbered).
4 3 2 1
72k
48k
IDU
IDU
Main (Master) PCB
SW01D Setting
8
9
A
B
C
D
E
F
99
Hide quick links:
Advertisement
Table of Contents
Troubleshooting
