Kaysun KEM-30 DNH3, Technical Manual

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12
Dimension
Net(D×H×W)
mm 2000×2080×1685 2850×2110×2000
inch 78.7×82.3×66.3 112.2×83.1×78.7
Packing(D×H×W)
mm 2090×2240×1755 2980×2260×2135
inch 82.3×88.2×69 117.3×89×84.1
Weight
Net weight kg 1150 1730
Operation weight kg 1270 2000
Connection
wire
Power wire mm
2
×No. 35×3+16×2 75×3+35×2
Signal wire mm 2 ×No. 0.75×3-core with shielding 0.75×3-core with shielding
Control type Wired controller Wired controller
Safety protection device
1) Protection for over-high discharge pressure.
2) Protection for over-low suction pressure.
3) Power supply phase sequence protection.
4) Anti-freezing protection in cooling mode.
5) Anti-freezing protection in Winter.
6) Protection for compressor over current.
7) Protection for compressor overload.
8) Outlet and inlet water temperature difference protection.
9) Compressor discharge temperature protection.
10) Water flow cut-off protection.
11) Sensor malfunction protection.
12) Low ambient temperature drive-up protection
13) Low-temperature protection of shell and tube heat
exchanger.
Noise level(semi-anechoic) dB(A) 70 74
Operation water temp
Cooling 0 17 Less than 5 must add antifreeze
Heating 22 50
Ambient temp Cooling -10 46 Heating -10 21
Note:
Please refer to the water flow in the above table strictly to design and install.
All the above data is measured base on the following working condition:
1. Cooling mode: water side fouling factor: 0.086m
2
/kW, chilled water inlet/outlet: 12 / 7 , and outdoor ambient temp.
35 DB.
2. Heating mode: water side fouling factor: 0.086m 2 /kW, warm water inlet/outlet: 40 / 45 , and outdoor ambient temp. 7
DB/6 WB.