52
ACCESSORIES INSTALLATION
ENGLISH
Item
Purpose
Specification
Solar Heating System
To generate auxiliary heating energy
for water tank
• Solar collector
• 3way valve(B)
Mix Kit
To use 2nd Circuit
• Mixing valve
• Mix pump
3rd Party Boiler
To use auxiliary boiler.
3rd Party Controller
To connect external controller using
modbus protocol
Thermostat
To control by air temperature
Heating-Only type (230 V AC)
Cooling/Heating type (230 V
AC with Mode selection
switch)
3way valve and actuator
(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
3 wire, SPDT
(Single Pole Double Throw)
type, 230 V AC
2way valve and actuator
To control water flow for Fan Coil
Unit / To serve as 3way valve when
installing backup heater
2 wire, SPST
(Single Pole Sing Throw)
type, 230 V AC
External Pump
To retain sufficient capacity using
additional pump
Smart Grid
To control operation mode depending
on input signal from provider
Accessories supported by 3
rd
party Companies
Summary of Contents for Therma V HM091MRS
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