CL-2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
--
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
C
U
T
A
LO
N
G
D
O
T
T
E
D
L
IN
E
C
U
T
A
LO
N
G
D
O
T
T
E
D
L
IN
E
Verify routing and installation of field control wiring per installation instructions
Verify proper connection of optional CCN or BACnet wiring per installation instructions
(Temporarily disconnect this wiring for start-up; reconnect once unit is started)
Verify proper installation of plenum rated pneumatic pressure tubing to building pressure and supply fan static pressure transducers
per installation instructions
Verify that all pencil-type thermistors are fully inserted into corresponding wells
Check gas piping for leaks (48N only) and correct as needed
Verify installation of combustion air inlet hoods and flue outlets per installation instructions
Verify installation of supply air thermistors per installation instructions (units with modulating gas, SCR electric or hydronic
heat only)
Verify that return-air filters and outdoor-air filters are in place and clean
Verify that unit is level within specified installation tolerances
Verify that fan wheels and propellers are properly positioned in the fan housing/orifice, and that all fan set screws are tight
Verify that fan bearing hold-down bolts and bearing race set screws are tight
Verify that fan sheaves are aligned and belts are properly tensioned
Verify that optional suction, discharge, and liquid service valves on each circuit are open
Verify that compressor crankcase heaters have been energized and functioning for 24 hours. (Caution: heaters will be hot to the
touch; take precautions to avoid burns.)
Signature __________________________________________________________________ Date ___________________________
Содержание WeatherExpert 48N2
Страница 135: ...135 Fig 18 48 50N Typical Power Schematic Nominal 075 Ton Unit Shown ...
Страница 136: ...136 Fig 19 48 50N Typical Power Schematic Nominal Ton 90 150 Units Shown ...
Страница 137: ...137 Fig 20 48 50N Main Base Board Input Output Connections ...
Страница 138: ...138 Fig 21 48 50N RXB EXB CEM Input Output Connections a48 9307 ...
Страница 139: ...139 Fig 22 48 50N EXV SCB Input Output Connections a48 9308 ...
Страница 140: ...140 Fig 23 48N Typical Modulating Gas Heat Unit Control Wiring ...
Страница 141: ...141 Fig 24 50N Typical Electric Heat Unit Control Wiring ...
Страница 144: ...144 Fig 27 48N Typical Gas Heat Section Wiring Nominal Ton 120 to 150 Units ...
Страница 145: ...145 Fig 28 48 50N Typical Power Component Control Wiring 460 v ...
Страница 146: ...146 Fig 29 48 50N Component Control Wiring 575 v Nominal Ton 075 to 150 Units ...
Страница 147: ...147 Fig 30 48 50N Component Arrangement Power Box ...
Страница 148: ...148 Fig 31 48 50N Component Arrangement Control Box ...
Страница 168: ...168 Fig 47 Sensor and Ignition Position Fig 48 Combustion Blower Details SENSOR DETAILS IGNITION DETAILS ...
Страница 240: ...240 APPENDIX D VFD INFORMATION CONT Fig G VFD Bypass Wiring Diagram WHEN USED ...