Reznor ZQYRA Unit Installation Manual - Manual (Page 49)

Form I-ZQYRA P/N 260414R5, Page 49
Page 2: (Shown only when Unit DAT Fail is selected)
--Alarm Help--
Unit Discharge Air Temperature sensor has failed. NOTE: Heat
pump will not operate with a failed unit.
↓ More More Items
Page 3:(Shown only when Unit DAT Fail is selected)
--Alarm Help--
Discharge Air Temp Sensor. Sensor reading of -60 = open circuit
and a reading of 225 = shorted circuit.
↓ More More Items
Page 4:(Shown only when Unit DAT Fail is selected)
--Alarm Help--
1. Verify sensor wire integrity.
2. Verify sensor resistance (See APPENDIX page 70).
↓ More More Items
Page 5:(Shown only when Unit DAT Fail is selected)
--Alarm Help--
3. See Paragraph 10.0 for more troubleshooting info.
4. Replace sensor.
5. Contact technical support: 800-695-1901
↓ Menu Top Returns to the top of the menu (Page 2)
Press the Esc button to go Menu page 1
Page 2:(Shown only when OAT Fail is selected)
--Alarm Help--
The Outside Air Temperature sensor has failed. Sensor reading
of -60 = open circuit and a reading of 225 = shorted circuit.
↓ More More Items
Page 3:(Shown only when OAT Fail is selected)
--Alarm Help--
1. Verify sensor wire integrity.
2. Verify sensor resistance (See APPENDIX page 70).
↓ More More Items
Page 4:(Shown only when OAT Fail is selected)
--Alarm Help--
3. See Paragraph 10.0 for more troubleshooting info.
4. Replace sensor.
5. Contact technical support: 800-695-1901
↓ Menu Top Returns to the top of the menu (Page 2)
Press the Esc button to go to page 1
Page 2: (Shown only when ER Wheel Temp Fail is selected)
--Alarm Help--
ER Wheel Discharge Air Temperature sensor has failed. Sensor
reading of -60 = open circuit and a reading of 225 = shorted
circuit
↓ More More Items
Page 3:(Shown only when ER Wheel Temp Fail is selected)
--Alarm Help--
1. Verify sensor wire integrity.
2. Verify sensor resistance (See APPENDIX page 70).
↓ More More Items
Page 4: (Shown only when ER Wheel Temp Fail is selected)
--Alarm Help--
3. See Paragraph 10.0 for more troubleshooting info.
4. Replace sensor.
5. Contact technical support: 800-695-1901
↓ Menu Top Returns to the top of the menu (Page 2)
Press the Esc button to go to menu page 1
Page 2: (Shown only when ER Wheel Hum Fail is selected)
--Alarm Help--
ER Wheel Discharge Air Humidity sensor has failed. System sets
default reading to 100%.
↓ More More Items
Page 3: (Shown only when ER Wheel Hum Fail is selected)
--Alarm Help--
1. Verify sensor wire integrity.
2. Verify dc voltage (0-5vdc) from sensor.
↓ More More Items
Page 4: (Shown only when ER Wheel Hum Fail is selected)
--Alarm Help--
3. See Paragraph 10.0 for more troubleshooting info.
4. Replace sensor.
5. Contact technical support: 800-695-1901
↓ Menu Top Returns to the top of the menu (Page 2)
Press the Esc button to go to page 1
Page 2: (Shown only when VOC/CO2 Alarm is selected)
--Alarm Help--
VOC/CO2 Reading is above the alarm setpoint.
Press the Esc button to go to menu page 1
Page 2: (Shown only when SA Fan Fail is selected)
--Alarm Help--
The Supply Air Fan is commanded “ON” but there is no status
from the pressure switch. "ON" status is shown with a closed
contact on DI-1
↓ More More Items
Page 3: (Shown only when SA Fan Fail is selected)
--Alarm Help--
First Reset Unit! If Fan does not start:
1. Verify “ON” command from controller.
↓ More More Items
Page 4: (Shown only when SA Fan Fail is selected)
--Alarm Help--
2. Verify contactor is closed.
3. If OA Damper is installed, verify end switch is closed.
↓ More More Items
Page 5: (Shown only when SA Fan Fail is selected)
--Alarm Help--
4. See Paragraph 10.0 for more troubleshooting info.
5. Contact technical support: 800-695-1901
↓ More More Items
Page 6: (Shown only when SA Fan Fail is selected)
Control Display Description
Page 1:
--Alarm Help--
Unit DAT Fail Opens The Unit Discharge Air Temperature Failure Help
OAT Fail Opens The Outside Air Temperature Failure Help
ER Wheel Temp Fail Opens The Energy Recovery Wheel Discharge Air Temperature Failure Help
ER Wheel Hum Fail Opens The Energy Recovery Wheel Discharge Air Humidity Failure Help
VOC/CO2 Alarm Opens the VOC/CO2 Alarm Help
SA Fan Fail Opens the Supply Air Fan Failure Help
EA Fan Fail Opens the Exhaust Air Fan Failure Help
HP General Alarm Opens the Heat Pump General Alarm Help
4way Valve Fail Opens the Changeover Solenoid Valve Failure Help
Hi OAT Lockout Opens the High Outside Air Temperature Lockout Help
Dirty Filter Alarm Opens the Dirty Filter Alarm Help
Shutdown DI Alarm Opens the Shutdown DI Alarm Help
System Restart Opens the System Restart Help
Unit Lockout Alarm Open the Unit Lockout Alarm Help
Low Limit Alarm Opens the Low Limit Alarm Help
Cripple Mode Alarm Open the Cripple Alarm Help
Wheel Maintenance Open the Energy Recovery Wheel Maintenance Help
BAS Shutdown Alarm Opens the BAS Shutdown Alarm Help
↓ Menu Top Returns to the top of the menu
12. ALARM HELP MENU
To access a certain menu, use the up or down arrow button. At the selected menu, press the enter button. Use the Esc button to get
back to the Main Menu.