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English
Note: For cooling nominal values are based on 12°C / 7°C entering / leaving evaporator water temperature, 35°C air ambient temperature.
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Unit subjects to floor installation must be placed on a concrete slab. The slab must have thickness of 100mm and 50mm
wider and longer than the footprint of the unit (Figure 5). Place the concrete slab a distant from building to prevent
vibration and noise.
•
In the case of heatpump operation with an outdoor temperature below 0°C, the unit must be installed at least 300mm above
ground level. This is necessary to prevent ice from accumulating on the frame and to permit proper operation in the event
of heavy snowfalls.
•
The unit must be leveled on both axes. (Tolerance is less than 2mm per meter.)
WATER PIPING AND FITTING
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All water pipe must be adequately insulated to prevent capacity losses and condensation.
•
Install a 40 to 60-mesh strainer to ensure good water quality.
•
Water pipes recommended are black steel pipe and copper pipe.
•
During installation, the piping of the unit should be clamped before rotating the installation pipe to reduce the moment
induce on the piping.
•
Users are recommended to install the pipes and accessories as shown in Figure 7.
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An air vent must be installed at the highest position, while a drainage plug at the lowest position of the water circuit. After
the leak test (0.6MPa), open the air vent to release any air trapped in the water circuit.
•
Run the clean water through the water inlet and operate the pump to drain out the dirty water. Clean the strainer after
running the pump for 30 minutes.
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Fill up the water circuit after connecting the pipes and equipment. Check water leakage at all connections and joints. Do
not start the unit when the system is leaking.
•
To optimize the capacity of the system, ensure that the system is free of air bubbles. The air trapped in the system would
make the system unbalanced.
Table A : R410A - Heatpump Unit
Model
5AC030CR
5AC040CR
5AC050CR
5AC055CR
Nominal cooling capacity
kW
7.85
10.98
13.76
14.64
Nominal heating capacity
kW
9.53
11.95
14.93
16.11
Capacity control
0 ~ 50 ~ 100% 0 ~ 40 ~ 60 ~ 100%
0 ~ 50 ~ 100%
Operating Weight
kg
125.1
165.1
166.5
173.3
Refrigerant charge R410A
kg
2.2
3.55
4.20
4.30
Compressor
2 Rotary Compressors
Control system
LCD Electronic Control
Sound Pressure Level
dB (A)
58
60
60
60
Refrigerant - water heat exchanger
Brazed Plate Heat Exchanger
Water connections (BSP)
inches 1 1 1 1
Maximum water pressure
kPa 1000
1000 1000
1000
Hydronic circuit
Pump
Horizontal Multistage End-Suction
Available pressure (Cooling/Heating)
kPa
90/76
100/89
79/64
74/57
Water inlet connection hose
inches 1 1 1
1
Water outlet connection hose
inches 1 1 1
1
Drain tap coupling (BSPT)
inches 1/2 1/2 1/2
1/2
Refrigerant - air heat exchanger
Tube diameter
mm
9.52
9.52 9.52 9.52
No. of rows
2
2 2 2
Tubes/row
30
54 54 54
Fin spacing
mm
1.59
1.59 1.59 1.59
O/D Fan
Diameter / Number
mm
457/1
457/2 457/2
457/2
Nominal air flow
m
3
/min
62.3
62.3 62.3 62.3
Nominal fan speed
r/min
920
920 920 920
PHYSICAL DATA
Содержание R410A SINGLE COMPRESSOR SERIES
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