The unit have a freeze prevention function that uses the
heat pump or backup heater
(
Customized model
)
to
keep the water system safe from freezing in all
conditions. Since a power failure may happen when the
unit is unattended, It's suggested to use anti-freezing
flow switch in the water system. (Refer to 8.5
“
Water
piping”).
13
Domestic hot water tank (field supply)
A domestic hot water tank(with or without booster
heater) can be connected to the unit.
The requirement of the tank is different for different
unit and material of heat exchanger
.
①
Heat pump capacity.
②
Required heating capacity (site dependent).
③
Additional heating capacity provided by backup heater.
The booster heater should be installed below the
temperature probe (T5).
The heat exchanger (coil) should be installed below the
temperature probe.
Tbivalent
Outdoor temperature
Capacity/Load
③
②
①
Room thermostat(field supply)
Room thermostat can be connected to the unit(room
thermostat should be kept away from heating source
when selecting the installation place).
Solar kit for domestic hot water tank(field supply)
An optional solar kit can be connected to the unit.
Operation range
Temperature
probe(T5)
Coil
Outlet
Tank booster heater
(TBH)
Inlet
5 GENERAL INTRODUCTION
These units are used for both heating and cooling applications and domestic hot water tanks.They can be combined with fan
coil units, floor heating applications, low temperature high efficiency radiators, domestic hot water tanks (field supply) and
solar kits (field supply).
A wired controller is supplied with the unit .
If you choose the built-in backup heater unit, the backup heater can increase the heating capacity during cold outdoor
temperatures. The backup heater also serves as a backup in case of malfunctioning and for frozen protection of the outside
water piping during winter time.
Operationg range of indoor unit
Outlet water (Heating mode)
Outlet water (Cooling mode)
Domestic hot water
Ambient temperature
Water pressure
+12 ~ +65
℃
+5 ~ +25
℃
+12 ~ +60
℃
+5 ~ +35
℃
0.1~0.3MPa
Water flow
60
100
0.40~1.25m
3
/h
0.40~2.10m
3
/h
160
0.70~3.00m
3
/h
Tank
60
100
Volume of tank/L
Heat exchange area/m
2
(Stainless steel coil)
Heat exchange area/m
2
(Enamel coil)
Recommended
Minimum
Minimum
Indoor Unit
100~250
1.4
2.0
150~300
1.4
2.0
200~500
1.6
2.5
160
6 ACCESSORIES
Installation and owner’s
manual(this book)
Quantity
Operation manual
M16 Copper Nut Tamper
Cap
100
1
1
1
Shape
Name
60
1
1
1
Installation Fittings
M8 expansion screws
Thermistor for domestic
hot water tank or zone 2
water flow
5
5
1
1
1
1
In cooling mode, the water flowing temperature
(TW_out) range in different outdoor temperature (T4) is
list below:
14
Y-shape filter
1
1
1
Mounting bracket
1
M16 Copper nut
M9 Copper Nut Tamper
Cap
M6 Copper Nut Tamper
Cap
1
0
0
160
1
1
1
5
1
1
1
1
1
0
1
Operation range by heat pump with possible limitation and protection.
In heating mode, the water flowing temperature
(TW_out) range in different outdoor temperature (T4) is
listed below:
In DHW mode, the water flowing temperature(TW_out)
range in different outdoor temperature(T4) is listed below:
Operation manual
(Wire controller)
1
1
1
Thermistor and extension wire for Tbt1, Tw2, Tsolar can
be shared, if these functions are needed at the same time,
and 10m in length of the sensor cable please order these
thermistors and extension wire additionally.
Accessories avaliable from supplier
1
1
Thermistor for balance t ank(Tbt1)
Thermistor for Zone 2 flow temp.(Tw2)
1
1
Extension wire fo r Tbt1
1
Extension wire for Tw2
1
Thermistor for solar temp.(Tsolar)
Extension wire for Tsolar
91
90
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