UL 1815:5ED 2012-02

FOREWORD
INTRODUCTION
1. Scope
2. General
3. Glossary
CONSTRUCTION
4. General
5. Frame and Enclosure
6. Protection Against Corrosion
7. Protection Against Risk of Fire
8. Mechanical Assembly
9. Power Supply Connections
10. Live Parts
11. Internal Wiring
12. Heating Elements
13. Insulating Material
14. Lampholders
15. Receptacles
16. Motors
17. Thermostats
18. Limiting Controls
19. Grounding
20. Capacitors
21. Spacings
22. Filters
23. Overload-Protective Devices
24. Switches, Including Motor Controllers
PROTECTION AGAINST INJURY TO PERSONS
25. General
26. Accessories
27. Switches and Controls
28. Enclosures and Guards
29. Temperature
PERFORMANCE
30. General
31. Starting Current Test
32. Leakage Current Test
33. Input Test
34. Temperature Test
35. Undervoltage Test
36. Dielectric Voltage-Withstand Test
37. Water Spray Test
38. Metallic Coating Thickness Test
39. Continuity of Grounding Circuit Test
40. Capacitor Tests
41. Humidity Conditioning Test
42. Blade Ignition Test
43. Strain Relief Test
44. Abnormal Operation Tests
45. Abnormal Heating
46. Endurance
47. Thermal Cutoffs
48. Tests of Switches and Controls
49. Bonding Connection Test
50. Conformal Coatings Tests
51. Permanence of Marking Tests
52. Condensation Test
MANUFACTURING AND PRODUCTION TESTS
53. Dielectric Voltage-Withstand Test
54. Grounding Continuity Test
INSTALLATION INSTRUCTIONS
55. Details
RATING
56. Details
MARKING
57. Details
58. Important Safety Instructions
APPENDIX A
Standards for Components

This revision to UL 1815 dated April 21, 2021 includes the withdrawal and replacement of UL 508C with UL 61800-5-1; 9.3.1, 27.2.5, and 40.4

Describes nonducted, stationary or fixed heat recovery ventilators for household, commercial, or industrial use and intended to be employed in accordance with the National Electrical Code, ANSI/NFPA 70.