LG Therma V HM091MRS Installation Manual page 52

ACCESSORIES INSTALLATION
52
Accessories supported by 3
Item
Solar Heating System
Mix Kit
3rd Party Boiler
3rd Party Controller
Thermostat
3way valve and actuator
2way valve and actuator
External Pump
Smart Grid
rd
party Companies
Purpose
To generate auxiliary heating energy
for water tank
To use 2nd Circuit
To use auxiliary boiler.
To connect external controller using
modbus protocol
To control by air temperature
(A) : To control water flow for hot
water heating or floor heating /
To control water flow when
installing 3rd party boiler
(B) : To control close/open mode of
solar circuit
To control water flow for Fan Coil
Unit / To serve as 3way valve when
installing backup heater
To retain sufficient capacity using
additional pump
To control operation mode depending
on input signal from provider
Specification
• Solar collector
• 3way valve(B)
• Mixing valve
• Mix pump
Heating-Only type (230 V AC)
Cooling/Heating type (230 V
AC with Mode selection
switch)
3 wire, SPDT
(Single Pole Double Throw)
type, 230 V AC
2 wire, SPST
(Single Pole Sing Throw)
type, 230 V AC