York YMAE - Page 4

Accessories and options..................................................................................................................... 20
Low sound kit..............................................................................................................................................20
Neoprene pads isolators........................................................................................................................... 20
1 in. spring isolators...................................................................................................................................20
2 in. spring isolators...................................................................................................................................20
Flow switch for special temperature difference.....................................................................................20
Water temperature sensor in a modular array...................................................................................... 20
Hydro kit......................................................................................................................................................20
Enclosure panels........................................................................................................................................ 21
Air-to-water heat pump unit modes of operation...........................................................................21
Two-pipe cooling mode.............................................................................................................................21
Two-pipe heating mode............................................................................................................................ 22
Four-pipe cooling mode............................................................................................................................ 23
Four-pipe heating mode........................................................................................................................... 23
Defrost mode..............................................................................................................................................25
Four-pipe simultaneous cooling and heat recovery..............................................................................26
Component location diagrams.......................................................................................................... 27
R-454B components............................................................................................................................ 34
Rigging, handling, and storage.................................................................................................................... 35
Lifting weights......................................................................................................................................36
Delivery and storage........................................................................................................................... 40
Inspecting the delivery........................................................................................................................40
Moving the unit....................................................................................................................................41
Removing the unit from the shipping container....................................................................................41
Lifting the unit............................................................................................................................................ 43
Moving the unit by crane.......................................................................................................................... 45
Installation...................................................................................................................................................... 46
Location and clearance....................................................................................................................... 46
Outdoor installations.................................................................................................................................46
Noise sensitive locations........................................................................................................................... 46
Corrosion locations....................................................................................................................................47
Operating in low ambient conditions......................................................................................................47
Location clearances................................................................................................................................... 47
Installation of vibration isolators.......................................................................................................54
Pipework arrangement.......................................................................................................................54
Connection types and sizes.......................................................................................................................54
Installing the neoprene isolators.......................................................................................................55
Installing the 1 in. deflection spring isolators..................................................................................56
Installing the 2 in. deflection spring isolators..................................................................................57
R-454B pipework..................................................................................................................................58
Water treatment.........................................................................................................................................58
Electrical connection........................................................................................................................... 60
Power wiring...............................................................................................................................................60
YMAE Air-Cooled Inverter Scroll Chiller and Heat Pump4