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Installation Verification Test
Without external control
1. Fan speed selector switch
• Set fan Speed selector switch to Standby.
2. Start-up
• Apply power to unit
• Unit should enter Exhaust only defrost mode for a 10 second duration and the following should occur:
Exhaust fan runs in HIGH (Normal) speed
Supply fan remains off
3. Standby
• Following the start-up unit should enter Standby mode. The following should occur:
Exhaust fan shuts off
Supply fan remains off
4. LOW (reduced) speed
• Set fans speed selector switch LOW (Reduced) speed. The following should occur.
Exhaust fan runs in LOW (Reduced) speed
Supply fan runs in LOW (Reduced) speed
5. HIGH (normal) speed
• Set fans speed selector switch HIGH (normal) speed. The following should occur.
Exhaust fan ramps up to HIGH (normal) speed
Supply fan ramps up to HIGH (normal) speed
6. Test completion
•
Set fan speed selector switch to desired setting
•
Installation Verification test is complete
With external control
1. Start-up
• Apply power to unit
• Unit should enter Exhaust only defrost mode for a 10 second duration and the following should occur:
Exhaust fan runs in HIGH (normal) speed
Supply fan remains off
2. External control
• Following start-up unit will respond to external control
• Consult user manual/instruction provided with external controller and ensure unit responds appropriately.
3. Test completion
• Installation Verification test is complete
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