Installation and Operation Instructions Matrix
54
Table 15-2 HRV Balancing Table
Menu
Item
Description
Sample HRV
Ventilation
Rates
Installed
Ventilation
Rates
Installed
Fan
Speed
EOH
HRV
Exhaust
at
Override
(high ventilation) rate, balanced during
High
air
circulation rate (1000/1100/1200 CFM).
120cfm
(55 L/s)
SOH
HRV
Supply
at
Override
(high ventilation) rate, balanced during
High
air
circulation rate (1000/1100/1200 CFM).
120cfm
(55 L/s)
EOL
HRV
Exhaust
at
Override
(high ventilation) rate, balanced during
Low
air
circulation rate (400 CFM).
120cfm
(55 L/s)
SOL
HRV
Supply
at
Override
(high ventilation) rate, balanced during
Low
air
circulation rate 400 CFM).
120cfm
(55 L/s)
ECH
HRV
Exhaust
at
Continuous
(low ventilation) rate, balanced during
High
air
circulation rate (1000/1100/1200 CFM).
70cfm
(30 L/s)
SCH
HRV
Supply
at
Continuous
(low ventilation) rate, balanced during
High
air
circulation rate (1000/1100/1200 CFM).
70cfm
(30 L/s)
ECL
HRV
Exhaust
at
Continuous
(low ventilation) rate, balanced during
Low
air
circulation rate (400 CFM).
70cfm
(30 L/s)
SCL
HRV
Supply
at
Continuous
(low ventilation) rate, balanced during
Low
air
circulation rate (400 CFM).
70cfm
(30 L/s)
Magnehelic (0-.25 inwg)
or Digital Manometer
Figure 15-1 Sample Balancing Setup
6” Flow Measurement Station,
Averaging Pitot Tube, or
Pitot TransferTube
Fresh
Supply
Stale
Exhaust