Hitachi Highly WHP13300PSD, Installation Manual

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H E A T P U M P W A T E R H E A T E R C O M P R E S S O R C R I T E R I A
热 泵 热 水 器 专 用 压 缩 机 使 用 基 准 PAGE：6/31
There should be superheated gas returned to the compressor under all normal operating conditions.
T a b l e 2
Item Operating Envelope
Discharge pressure
MPa
3.13 {30.91}MAX
（condensing temperature 80°C )
（see graph 1）
Suction Pressure
MPa
0.139
~
0.95 {0.40~8.67}
(Evaporation Temperature ：-35℃
~2
5℃).
Compressor suction side can handle the same
maximum pressure as discharge side without
damage when compressor is not running.
Compressor case bottom
temp
99℃or below and 6 ℃ higher than condensing temperature，
（the time compressor case bottom temp 6 ℃below the condensing
temperature should be less than 5 minutes each time）,
Requirement for high pressure ratio condition can be seen on page
28.
Motor winding temp R.Voltage±10%: 120℃ MAX
Accumulator temp Higher than outlet pipe of evaporator
Ambient temp
Meet for the condition of above mentioned motor winding
temp.