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Options ............................................................................................................. 29
Fresh air hood and grill installation ...................................................... 29
Building Pressurization Control ............................................................. 29
Hot Water Coil (HWC) ............................................................................. 31
Electric Heater ......................................................................................... 31
Heat Recovery Module ........................................................................... 32
Burner module ........................................................................................ 36
Energy Recovery Circuit (ERC) .............................................................. 36
Assembly procedure of fan block ......................................................... 36
ERC fan module installation .................................................................. 37
Controls ............................................................................................................ 38
CH536 + module extension .................................................................... 38
Control Hardware Modules ................................................................... 38
Service Terminal ...................................................................................... 38
CO2 sensor .............................................................................................. 39
CO2 sensor maintenance ....................................................................... 39
Fire Thermostat ...................................................................................... 39
Clogged Filter Detector ......................................................................... 39
Smoke Detector ..................................................................................... 39
Other accessories available ................................................................... 39
Alarm and Warnings ............................................................................... 39
Customer option module ................................................................................ 40
Customer option module ....................................................................... 40
Operation with a conventional thermostat .......................................... 40
Economizer control ................................................................................ 41
Operation .......................................................................................................... 42
Test Procedures ...................................................................................... 42
Gas Burner first start .............................................................................. 43
ERC first start and contro ....................................................................... 43
Maintenance ..................................................................................................... 44
End-user Routine Maintenance ............................................................ 44
Service Technician Maintenance ........................................................... 44
Troubleshooting Alarm and Warnings ................................................. 44
Recommended service routine frequencies .................................................. 45
Maintenance routine ....................................................................................... 46
Additional services .......................................................................................... 47
RT-SVX056D-GB
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