Daikin ARKH20CVMB7, Service Manual

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Control Specification SiENBE04-512A
54 Function and Control
3.3.4 3-minutes Standby
Prohibit to turn ON the compressor for 3 minutes after turning it off.
(Except when defrosting. (Only for Heat Pump Model).)
3.3.5 Compressor Protection Function
When turning the compressor from OFF to ON, the upper limit of frequency must be set as
follows. (The function must not be used when defrosting (only for heat pump model).)
3.4 Discharge Pipe Control
Outline The discharge pipe temperature is used as the compressor's internal temperature. If the
discharge pipe temperature rises above a certain level, the operating frequency upper limit is
set to keep this temperature from going up further.
Detail
Divide the Zone
Management within the Zones
FCG 3
FCG 2
FCG 1
TCG 1
TCG 2
TCG 3
88
64
48
240
360
180
Fre qu ency
TCG 1 s ec TCG 2 s ec TCG 3 s ec
Time
(R2949)
FCG 3
FCG2
FCG1
Zone Control contents
Stop zone When the temperature reaches the stop zone, stop the compressor and
correct abnormality.
Drooping zone Start the timer, and the frequency will be drooping.
Keep zone Keep the upper limit of frequency.
Return / Reset zone Cancel the upper limit of frequency.
S top zone 110°C
105°C
101°C
99°C
(R4570)
97°C: ARK(X) S model s
92°C: (A)RK(X)H, R(Y)N model s
Drooping zone
Keep zone
Up zone
Re s t zone
He a t exch a nger
thermi s tor
temper a t u re
SiENBE04-512A.book Page 54 Friday, October 5, 2007 1:49 PM