Hitachi Highly WHP13300PSDPC8FQ Installation Manual page 8

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
There should be superheated gas returned to the compressor under all normal operating conditions.
Item
Discharge pressure
MPa
Suction Pressure
MPa
Compressor case bottom
temp
Motor winding temp
Accumulator temp
Ambient temp
热 泵 热 水 器 专 用 压 缩 机 使 用 基 准
T a b l e 2
Operating Envelope
3.13 {30.91}MAX
（condensing temperature 80°C )
0.139~0.95 {0.40~8.67}
(Evaporation Temperature ：-35℃~25℃).
Compressor suction side can handle the same
maximum pressure as discharge side without
damage when compressor is not running.
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.
R.Voltage±10%: 120℃ MAX
Higher than outlet pipe of evaporator
Meet for the condition of above mentioned motor winding
temp.
PAGE：6/31
（see graph 1）