Nibe AMS10 - Page 23

Defrosting diagram AMS10-8
Compr. speed
EEVH
EEVC
FAN
4-way valve
SH control
SC control
25 rps
ON
ON
OFF
OFF
1s
60s
40s after defrost
condition is fulfilled
56rps
500
2rps / 5s
Allowed when condition
meets
Fully closed
3s
Suction SH+ target LP control
SH≤ 5°C
Compr.
stopped
SH control
ON
ON
80s
90s
Defrost timing chart (AMS10-8)
Defrost end
condition fulfilled
500 pulses
ExplanationShortening
SubcoolingSC
SuperheatingSH
Exp. valve heatingEEVH
Exp. valve coolingEEVC
Low pressureLP
23Chapter 4 | Description of functionsNIBE AMS10