NTI Matrix - Page 54

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