Aprilaire 8100 System Start-Up, Constant On Operation, Operation With Home Comfort Control Figure

SYSTEM START-UP

The Energy Recovery Ventilator has an on/off switch which enables the unit to be constantly on.. There is also wiring access and wire leads available in the unit for connection to the Aprilaire Home Comfort Control™, Aprilaire Model 8120 Ventilation Controller, or any third-party 24VAC, dry contact, normally open external control to allow the unit to provide fresh air when needed in accordance with the 62..2-2010 ASHRAE Standard.. The 62..2-2010 ASHRAE Standard uses home size and the number of bedrooms to determine the required ventilation rate..

Constant On Operation

1.Plug in the power cord to a 120VAC grounded outlet..

2.Turn on/off switch on..

Operation With Home Comfort Control™ (Figure 20)

1.Remove the front panel of the ERV..

2.Remove the wire nut from the two yellow wires..

3.Run 2-wire cable (18-24 AWG) from the ERV to the Home Comfort Control™..

4.Insert the wire through the ERV wire access port..

5.Use wire nuts to connect each end of the 2-wire cable to each of the yellow wires from the ERV..

6.Replace the ERV front panel..

7.Connect the other end of the 2-wire cable to the VENT terminals of the Home Comfort Control™..

8.Reference the Home Comfort Control™ Installation Instructions to set the ventilation timing per the 62..2-2010 ASHRAE Standard..

9.Plug in the ERV..

10.Turn the on/off switch ON..

Operation With 8120 Ventilation Controller or Third-Party Control (Figure 20)

1.Remove the front panel of the ERV..

2.Remove the wire nut from the two yellow wires..

3.Run 2-wire cable (18-24 AWG) from the ERV to the 8120 or Third-Party Control..

4.Insert the wire through the ERV wire access port..

5.Use wire nuts to connect each end of the 2-wire cable to each of the yellow wires from the ERV..

6.Replace the ERV front panel..

7.Connect the other end of the 2-wire cable to the A/A terminals of the 8120 Ventilation Controller.. If using a Third-Party Control, reference the Third-Party Control Installation Instructions to connect to the control..

8.Use the tables below to determine the airflow requirement and cycle time to meet the 62..2-2010 ASHRAE Standard..

a.Table. 2 on the following page shows the required ventilation rate in CFM..

b.Table. 3 on the following page shows the required ventilation cycle time in minutes based on a 1 hour cycle using the airflow determined in Table 1..

9.Plug in the ERV..

10.Turn the on/off switch ON..

Figure 20 – Wiring to External Control	APRILAIRE MODEL 8120
	VENTILATION CONTROLLER
	A/A
	OR
	VENT
	VENT
	HOME COMFORT CONTROL™
YELLOW WIRES	OR
	THIRD-PARTY CONTROL,
TRANSFORMER	24 VAC, DRY CONTACT,
	NORMALLY OPEN
RELAY

90-1749

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