Trane SRV-SVX04C-EN, Installation, Operation And Maintenance Manual

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Installation - Controls
10 SRV-SVX04C-EN
reactivation blower motor (MTR2), and supply blower
motor (MTR3-optional) are all de-energized.
NOTICE
Equipment Damage!
Failure to follow all instructions could result in
equipment damage!
Do not shut down unit by de-energizing main power
prior to the completion of the purge cycle. Wait for
PURGING to change to STANDBY or READY before de-
energizing main power.
Faults and Warnings
Important: Press ESC or Help button twice quickly to exit
back to the system screen at any time during
screen navigation.
Alarm Indication
Fault and warning indication include the HMI display and fault
warning lights. The HMI will display the blinking triangle with
exclamation point and the fault message on the Alarm screen.
See
Figure 4 .
A fault results in the red light (LT02) constantly illuminating.
Figure 4. HMI alarm indication
Table 5. List of system and DH faults
Fault Description
FAULT - D/H WHEEL MOTOR STARTER PROTECTOR
TRIPPED
If the desiccant drive motor starter/protector (MSP1) trips, the system is faulted.
The system will go into the shutdown ( “Shutdown,” p. 9 ) sequence and the system auxiliary dry
contacts close in sequence ( “Auxiliary Dry Contacts - Operational System States,” p. 9 ), process
blower (optional) will purge.
The dehumidifier will be held in the Fault condition by (PLC1).
To restart the dehumidifier:
1.
Clear the alarm pressing the acknowledge ACK on the HMI.
2. Reset the overload, go to the ALARM screen, and press the F4 RESET key, which resets
the PLC.
To restart the system:
1.
Move the selector switch (SS01) to the OFF position.
2. Move the (SS01) back to the AUTO or MANUAL position.
FAULT - REACTIVATION MOTOR STARTER
PROTECTOR TRIPPED
If the reactivation blower motor starter/protector (MSP2) trips, the system is faulted.
The dehumidifier goes into the shutdown sequence. See “Normal shutdown sequence of
operation:,” p. 9 and “Auxiliary Dry Contacts - Operational System States,” p. 9 .
The dehumidifier will be held in the Fault condition by (PLC1).
To restart the dehumidifier:
1.
Clear the alarm pressing the acknowledge ACK on the HMI.
2. Reset the overload, and go to the ALARM screen, and press the F4 RESET key, which
resets the PLC.
To restart the system:
1.
Move the selector switch (SS01) to the OFF position.
2. Move the (SS01) back to the AUTO or MANUAL position.
FAULT - SUPPLY BLOWER MOTOR STARTER
PROTECTOR TRIPPED/ VFD FAULT (optional)
If the supply blower motor starter/protector (MSP3) trips or the customer-supplied variable
frequency drive (VFD) goes into a Fault, the system is faulted.
The system goes into the shutdown sequence. See “Normal shutdown sequence of operation:,”
p. 9 , and “Auxiliary Dry Contacts - Operational System States,” p. 9 .
The dehumidifier will be held in the Fault condition by (PLC1).
To restart the dehumidifier:
1.
Clear the alarm pressing the acknowledge ACK on the HMI.
2. Reset the overload, and go to the ALARM screen, and press the F4 RESET key, which
resets the PLC.
To restart the system:
1.
Move the selector switch (SS01) to the OFF position.
2. Move the (SS01) back to the AUTO or MANUAL position.