Advertisement
V22A
Compact 360° Cassette
V33B
360° Cassette
VOSA
Dedicated Outdoor Air Unit
with Concealed Duct
VMDB
Medium-Static Concealed Duct Unit
High-Static Concealed Duct Units
Air Handler
VHIA
This manual must be left with the user.
VVCA
INDOOR UNITS
USER'S MANUAL
Wall-Mounted Non-Dusted Unit
Ceiling- or Floor-Mounted
1
©2018 Lennox Industries Inc.
Dallas, Texas, USA
507441-03
03/2018
Supersedes 507441-02
VRF
Variable
Refrigerant
Flow Systems
VWMB
VCFA
Non-Ducted Unit
Advertisement
Table of Contents
Related Manuals for Lennox V22A
Summary of Contents for Lennox V22A
- Page 1 ©2018 Lennox Industries Inc. Dallas, Texas, USA 507441-03 03/2018 Supersedes 507441-02 V22A Compact 360° Cassette Variable Refrigerant Flow Systems VVCA V33B Air Handler 360° Cassette INDOOR UNITS USER’S MANUAL VOSA Dedicated Outdoor Air Unit with Concealed Duct VWMB Wall-Mounted Non-Dusted Unit...
-
Page 2: Safety Requirements
Safety Requirements WARNING ELECTRICAL SHOCK, FIRE, OR EXPLOSION HAZARD. If you do not follow these instructions exactly, a fi re or explosion may result causing property dam age, personal injury or death. Failure to follow safety warnings exactly could result in dangerous operation, serious injury, death or property damage. - Page 3 Parts Arrangement VCFA V22A or V33B Cassette Ceiling- or Floor-Mounted Non-Ducted Unit Cassette may be adjusted to provide discharge air from one, two, three or four sides. DISCHARGE AIR LOUVER GROUNDING SCREW (In control box) RETURN AIR RETURN AIR DIFFUSER LOUVER...
- Page 4 DO NOT adjust the louvers by hand. Louvers are adjustable only by using the wired controller or remote control. VWMB Wall-Mounted Units V22A or V33B Ceiling-Mounted Cassettes Use the wired controller or the remote control to set the Adjust the discharge air louvers to direct air down ward position of the discharge air louvers.
-
Page 5: Maintenance
Maintenance WARNING The V22A and V33B fi lters are accessed through the re turn air grille as shown in the illustration which fol lows. ELECTRICAL SHOCK, FIRE, OR EXPLOSION HAZARD. Before performing any maintenance, power to unit Typical Filter Removal must be off at the unit disconnect switch. -
Page 6: Troubleshooting
Preparing Unit for Prolonged Idle Periods Returning the Unit to Operation after Pro longed Idle Periods The unit must be prepared before lengthy periods of If the unit has been inactive for an extended period of time, inactivity: it must be prepared for operation: •... - Page 7 The table below lists possible causes and solutions to some of the most common problems. Please review this information before calling for service. Symptom Possible Cause Possible Solution • Power failure. • Wait for power to be restored. • Power to unit is OFF or disconnected. •...
-
Page 8: Error Codes
Error Codes Indoor units are equipped with either a small panel with four LEDs that fl ash to indicate system errors or a digital display that provides an error code. Refer to the appropriate table below to view the error codes. If the unit has a digital display, the error code will replace the temperature setting displayed on the front cover of the indoor unit. - Page 9 Shown on Controller Error Code Description Communication error between the indoor unit and the wired controller (may affect other indoor units in the system. Communication error between the indoor unit and the controller. Controller EEPROM error. Communication error between the indoor unit and the outdoor unit. T1 temperature sensor error.
- Page 10 Technical Support 1-844-GET-VRF1 (1-844-438-8731) vrftechsupport@lennoxind.com www.LennoxVRF.com Download the app from the Apple App Store or the Google Play store.
Need help?
Do you have a question about the V22A and is the answer not in the manual?
Questions and answers