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ACCESSORIES INSTALLATION
78
CAUTION
!
• Install the drain pan when cooling.
• If not installed, water may form.
• Please refer to separate installation manual when installing drain pan.
Accessories supported by 3rd party Companies
Item
Solar Heating System
Thermostat
Mix Kit
rd
3
Party Boiler
rd
3
Party Controller
3way valve and
actuator
2way valve and
actuator
External Pump
Smart Grid
rd
3
Party ESS
Antifreeze valve
DHW Recirculation
Pump
Purpose
To generate auxiliary heating
energy for water tank
To control by air temperature
nd
To use 2
Circuit
To use auxiliary boiler.
To connect external controller
using modbus protocol
(A) : To control water flow for hot
water heating or floor heating
/ To control water flow when
installing 3rd party boiler
To block underfloor heating coil
from cooling water
To control the water flow at the
rear of the buffer tank
To control operation mode
depending on input signal from
provider
To control the operation mode
according to the energy storage
state
To protect the pipes against
freezing
To control the water flow of DHW
recirculation pump
Specification
• Solar collector
• Solar pump
• Solar Thermal Sensor : PT1000
Heating-Only type (230 V AC)
Cooling / Heating type (230 V AC
with Mode selection switch)
• Mixing valve
• Mix pump
3 wire, SPDT (Single Pole Double
Throw) type, 230 V AC
2 wire,NO(Normal Open) or
NC(Normal Closed) type, 230 V AC
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