User's Manual
Table Of Contents
- Table of contents
- FCC and IC statements
- 1. Introduction
- 1.1 Orion EMS devices
- 1.2 Terminology
- 1.3 General about Orion Service
- 1.4 General about alarms
- 1.5 Events and commands
- 1.6 Basic EMS logic
- 1.7 Orion EMS parameters
- 1.8 Operator templates
- 1.9 Setback override
- 2. Thermostat buttons and display
- 3. Energy management summary and alarm list
- 4. Real time room status
- 5. Thermostats list
- 6. Occupancy report
- 7. Energy statistics report
- 8. Tools/Options
- 9. Orion EMS in SysMon
- 10. Maintenance
- Appendix A: Quick reference of technical data
- Appendix B: Troubleshooting
- Appendix C: Read more
- Revision history
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DRAFT 66 8003 001-8
10.1.2 To replace a fuse
The thermostat has got two fuses which are located as in Figure 15.
Note: To replace a fuse, the thermostat must be disconnected from the wall plate.
Figure 70
How do I know if
the fuse has blown?
What does the
fuse protect?
Upper fuse
5x20mm
2.0AF
The thermostat
appears to be dead.
Reversing valve output
Cool output
Heat output
Internal power supply
of the thermostat
Lower
fuse
5x20mm
6.3AT
The fan outputs
stop working.
The fan outputs
Table 12