4T-V0-SF-1Q-EN
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Control Menu
FRC DFT
PRESS ENTER
TEST IN PROGRESS
CTS <value>
TEST COMPLETE
Heat
Pump
Only
NOTES: Forced Defrost
1. System must be running with demand from the thermostat.
2. FRC DFT TEST can be initiated in heat mode.
3. Press ENTER to begin Forced Defrost.
4. Execute Forced Defrost following Defrost (Defrost terminates
on Coil temperature or maximum time override of 15
minutes).
5. When test begins, display TEST IN PROGRESS on line 1 and
Coil temperature value on line 2. Note: Home Screen, under
System Status will display DEFROST.
6. When test is complete display TEST COMPLETE for 10
seconds.
7. If there is a defrost fault condition, stop test and send alert to
the Alert Menu.
Note:
Screens will update as the test proceeds.
LSOV TEST
COOL? YES
TEST IN PROGRESS
COOL/HEAT/COOL
TEST COMPLETE
LSOV TEST
HEAT? YES
TEST IN PROGRESS
HEAT/COOL/HEAT
TEST COMPLETE
Heat
Pump
Only
LSOV Test Notes
1. System must be running with demand from the thermostat.
2. LSOV TEST can be initiated in heating mode or cooling mode.
Note: During HEAT mode, only heat-mode LSOV test is
allowed and avaialble. *Note: During COOL mode, only
cool-mode LSOV test is allowed and available. *
3. Press ENTER to begin test.
4. During TEST IN PROGRESS, display a check mark in front of
the current mode but update screen text as mode changes per
test sequence.
5. Test sequence will pulse the SOV coil in the order displayed,
and wait 10 seconds between each directional pulse.
6. When test is complete, display TEST COMPLETE for 10
seconds.
7. If there is an LSOV fault condition, stop test and send alert to
the Alert Menu. Note: LSOV test will not available during
defrost.
* During LSOV TEST, if a mode change request is received, the
LSOV test will terminate.
EEV TEST
OPEN <500>
EEV TEST
OPEN <XXX>
EEV TEST
CLOSE <500>
EEV TEST
CLOSE <XXX>
Heat
Pump
Only
EEV Test Mode Notes
1. The EEV test is allowed during Idle, Cooling, Heating and
Forced Defrost Modes.
2. Select the OPEN or CLOSE test by navigating left or right.
3. Press ENTER from EEV TEST screen to begin EEV test.
4. Check mark indicates test is in progress and valve position
will be displayed on line 2. Note: Screens will update as test
proceeds.
5. OPEN test terminates after 30 seconds.
6. At end of test remove check mark in front of OPEN and return
to controlling valve position or last known position if system
is idle.
7. CLOSE test terminates after 90 seconds.
8. At end of test remove check mark in front of CLOSED and
return to controlling valve position or last known position if
system is idle.
9. If there is an EEV fault condition, stop test and send alert to
the Alert Menu.
EVACUATION?
PRESS ENTER
EVACUATION
EEV OPEN <500>
Heat
Pump
Only
Evacuation Notes
1. Press enter to execute EVACUATION mode.
2. Entering EVACUATION puts the OD system into a hard
lockout state.
3. Send alert Err 187.00 to communicating thermostat.
4. Ignore all thermostat demand until hard lockout is cleared by
power cycle.
5. Open EEV and remain at the full open position until power is
cycled (open ID EEV – Phase2).
6. During EVACUATION mode, display EEV valve position as
OPEN <500> on line 2 (EEV shall be at 500 step position).
7. If there is an EEV fault condition, stop test mode and send
alert to the alert menu.
8. Technician to follow on-screen note to ‘Remove power before
servicing.”
Note:
See Evacuation Mode write-up on Control Notes page.
REMOVE OD POWER
BEFORE SERVICING
FRC DFT
PRESS ENTER
TEST IN PROGRESS
CTS <value>
TEST COMPLETE
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