Outline of Control (Indoor Unit)
SiE 00-07
74
Function R-407C PLUS Series
4.4
Freeze Prevention
Freeze Prevention
by Off Cycle
(Indoor Unit)
When the temperature detected by liquid pipe temperature thermistor (R2T) of the indoor unit heat
exchanger drops too low, the unit enters freeze prevention operation in accordance with the following
conditions, and is also set in accordance with the conditions given below.
Conditions for starting freeze prevention: Temperature is -1˚C or less for total of 40 min., or temperature is
-5˚C or less for total of 10 min.
Conditions for stopping freeze prevention: Temperature is +7˚C or more for 10 min. continuously
Ex: Case where temperature is -5˚C or less for total of 10 min.
Содержание VRV R-407C PLUS Series
Страница 1: ...System R 407C PLUS Series Service Manual SiE 00 07...
Страница 11: ...Introduction SiE 00 07 x...
Страница 17: ...Product Outline SiE 00 07 6 General Information R 407C PLUS Series...
Страница 41: ...Specifications SiE 00 07 30 Specifications R 407C PLUS Series...
Страница 90: ...SiE 00 07 Test Operation Test Operation R 407C PLUS Series 79 1 3 Outdoor Unit PC Board Ass y Outdoor Unit...
Страница 119: ...Test Operation SiE 00 07 108 Test Operation R 407C PLUS Series...
Страница 132: ...SiE 00 07 Troubleshooting by Remote Controller Troubleshooting R 407C PLUS Series 121...