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Connecting the Circuit Water Pump Interlock
WARNING
• Always have power off before installing accessories. Failure to do so will cause electric shock, physical injury, and / or death.
•
Never operate Hydro Kit outside of the operational parameters as outlined in this manual and the product specifications. Failure to do
so will cause electric shock, physical injury, and / or death.
•
Never touch wiring or install accessories with wet hands. To do so will cause bodily injury or death.
•
Never operate Hydro Kit outside of the operational parameters as outlined in this manual and the product specifications. Failure to do
so will cause product malfunction and damage.
• See the Pre-Commissioning section for function codes and instructions on accessing the Installer mode that will be needed to set up Hydro
Kit accessories.
1. Verify the pump being installed was sized correctly considering the system's design flow rate, static head
pressure to avoid the loss of water pressure. Refer to Hydro Kit rated flow rate information and inlet /
outlet temperature difference in the Engineering Manual.
2. If not already completed, install the pump and connect it to the piping system.
3. Select a suitable relay for the pump capacity and with a coil rated for 208-230/60/1 service.
4. Connect appropriately sized wiring per local, state, and NEC code between the pump starter, the relay,
and the Hydro Kit terminal.
5. Connect the relay to terminal block Pump (A) 1 and 2 on the High Temperature Hydro Kit.
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.
Connecting Third-Party Accessories
WIRING
Figure 63:
Up Diagram of the Water
Pump Interlock Connections.
Pump
(Main)
1
2
L
N
Relay
Pump
67
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Troubleshooting
