SRC25ZT-W/SRC25ZT-WF
MHI Thermal Systems - ZT-W
SEER
A+++
SCOP
A+++
Certificate:
17.02.279
Model Type:
AC1/A/S/R
Manufacturer:
MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS Ltd
Mounting:
Wall mounted
Cooling Performance
PdesigncDesign cooling capacity at 35°C outdoor, 27°C indoor, 100% load. More
2.50 kW
SEERSeasonal Energy Efficiency Ratio - annual cooling efficiency. Higher is better. A+++ requires ≥8.5. More
9.50
EEREnergy Efficiency Ratio at 35°C outdoor (Condition A, 100% load). More
4.39
PcRated cooling capacity at standard test conditions.
2.50 kW
QceEstimated annual electricity consumption for cooling (kWh/year).
93 kWh
Heating Performance
PdesignhDesign heating capacity at -10°C outdoor (bivalent point). More
2.70 kW
SCOPSeasonal Coefficient of Performance - annual heating efficiency. A+++ requires ≥5.1. More
5.10
COPCoefficient of Performance at +7°C outdoor (standard rated conditions). More
4.57
PhRated heating capacity at standard test conditions.
3.20 kW
QheEstimated annual electricity consumption for heating (kWh/year).
741 kWh
Estimated Annual Running Cost
€
/kWh
Cooling
93 kWh/yr
Heating
741 kWh/yr
StandbyAnnual standby consumption: (Psbc + Psbh) × 8760h / 1000
53 kWh/yr
Total
887 kWh/yr
Heating Partial Load
Cooling Partial Load
Efficiency Ratings
Climate Zone SCOPAverage=typical European climate, Colder=Scandinavian, Warmer=Mediterranean.
SCOP A+++
Acoustic Levels (dB)Sound power levels in dB(A). Lower is quieter. Note: sound power ≠ sound pressure. At 1m distance, sound pressure is typically 10-15 dB lower. More
Outdoor
56 dB — Moderate
Indoor 1
50 dB — Quiet
Indoor 2
Operating Limits & Bivalent PointTOL = manufacturer-declared minimum operating temperature (often conservative — actual capability may be lower). Tbiv = outdoor temperature below which the heat pump alone can no longer cover its rated heating output, meaning supplemental heating may be needed. More
TOL (Operating Limit)
-10.0°C
Tbiv (Bivalent Point)
-10.0°C
Ph at TOLHeating capacity at the temperature operating limit.
2.70 kW
COP 2.60
Ph at TbivHeating capacity at the bivalent temperature.
2.70 kW
COP 2.60
TOL -10°
Tbiv -10°
-25°C
-10°C (design)
+7°C (rated)
+20°C
Standby & Off-Mode Power
Cooling Mode
| Standby (Psbc) | 3.0 W |
| Off mode (Poffc) | 3.0 W |
| Thermostat off (Ptoc) | 10.0 W |
| Crankcase heat (Pckc) | 0.0 W |
Heating Mode
| Standby (Psbh) | 3.0 W |
| Off mode (Poffh) | 3.0 W |
| Thermostat off (Ptoh) | 10.0 W |
| Crankcase heat (Pckh) | 0.0 W |
General Specifications
Refrigerant:
R32
Factory ChargePre-filled refrigerant amount. Additional charge may be needed for longer pipe runs.
0.7600
Power Supply:
230-1-50
Capacity ControlFixed=single speed, Variable=inverter-driven modulation. More
Variable
Min Heating LoadLowest continuous output the unit can modulate down to in heating mode. More
31% (1.42 kW)
Indoor Units:
1
IU Names:
SRK25ZT-WF
Pipe Length:
15.0000
TOLTemperature Operating Limit — manufacturer-declared minimum operating temperature. Often conservative; the unit may operate below this. More
-10.0°C
Full Specifications
Seasonal Efficiency (Cooling) ηs,c:
0.0%
Seasonal Efficiency (Heating) ηs,h:
0.0%
Pec (Electrical Input Cooling):
0.57 kW
Peh (Electrical Input Heating):
0.70 kW
Refrigerant Line:
5
CEE Eligible:
true
IU Range Names:
SRK