Table of Contents
Advertisement
Water Pump Interlock Wiring (Filed Provided)
• Select the suitable pump by referring to the flow rate table with water
Pump
temperature difference between the entrance and the exit.
(main)
• It is recommended that the flow rate is Rated water flow (refer to the
11
12
specification of PDB)
L
N
• Select a correctly sized pump capable of delivering required flow rate at the
static head pressure of the system piping and Hydro Kit.
• Select a suitable relay for pump capacity when connecting the pump to the
Relay
unit.
• Connect the relay to terminals 11 and 12 located in the Hydro Kit control
box.
Pump
CAUTION:
• Make sure to supply external power with the pump.
Water tank temperature sensor Connection
CN-TH4
Housing
Water tank
thermistor
CAUTION:
• If water tank temperature sensor is not connected, error will occur.
(CH08) Sensor not required for dedicated radiant or hydronic heating applications.
• Connect the domestic hot water tank sensor to PCBʻCN-TH4ʼ socket
(red).
Accessories Installation
Hydro Kit Installation Manual 27
Advertisement
Table of Contents
