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Smart Start Assist Troubleshooting; Smart Start Assist Flashing Sequence - Bosch Greensource SM024 Installation, Operation And Maintenance Manual

Greensource cdi series sm model water-to-air heat pumps
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54 | Unit Troubleshooting

Smart Start Assist Troubleshooting

Red Led
Relay
Contact*
FULLY ON +
11/12
2 FLASHES
11/14
3 FLASHES
11/14
4 FLASHES
11/14
5 FLASHES
11/14
N/A
11/12
N/A
11/12
N/A
11/12
N/A
11/12
Green Led
Relay
Contact*
FLASHING
11/12
FULLY ON
11/12
+ APPLICABLE TO RSBS2332A2V.2C24HP. FOR MODELS,NO INDICATION ON THE RED LED IS PROVIDED
****REFER TO VOLTAGE DIPS AND INTERRUPTIONS SECTION FOR MODE OF OPERATION OF THE SSA IOM
Table 14 Smart Start Assist Troubleshooting

Smart Start Assist Flashing Sequence

Fig. 72 Smart Start Assist Flashing Sequence
During recovery from an alarm condition, the red LED will flash at twice the normal flashing frequency between
successive flashing cycles as shown above to indicate that the Smart Start Assist is in recovery mode, which lasts
for five minutes.
8733819578 (2019/02)
Condition
Min. recovery time between starts
and/or recovery time between stop to
start
Undervoltage (Ue<190VAC)
Overcurrent (>80A for >1 sec.)
relay protection
incomplete ramp
Supply phase loss
Idle state
Ramping state
Bypass mode
Condition
Power supply alarm
Idle State
*APPLIES ONLY TO RSB23XXA2V22C24..MODELS
**MONITORED DURING IDLE AND BYPASS
***REFER TO NOTE 6 IN MODE OF OPERATION SECTION OF THE SSA IOM
Subject to change without prior notice
Greensource CDi Series SM
Action
Auto reset when minimum recovery
time elapses
Auto reset with 5 mins. recovery **
Auto reset with 5 mins. recovery
Auto reset with 5 mins. recovery***
Auto reset with 5 mins. recovery
Physical check
Action
Replace Smart Start device
RSBS waiting for control signal to
start
Greensource CDi Series SM Model
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