Carrier Aquazone 50RHE 042 - Default Chapter; Table of Contents

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CONTENTS
1 - SAFETY CONSIDERATIONS ............................................................................................................................................................. 3
2 - GENERAL .............................................................................................................................................................................................. 3
3 - INSTALLATION ................................................................................................................................................................................... 3
3.1 - Check jobsite........................................................................................................................................................................................ 3
3.2 - Check unit ............................................................................................................................................................................................ 3
3.3 - Unit location......................................................................................................................................................................................... 7
3.4 - Mounting the unit................................................................................................................................................................................. 8
3.5 - Duct system .......................................................................................................................................................................................... 8
3.6 - Condensate drain.................................................................................................................................................................................. 8
3.7 - Piping connections ............................................................................................................................................................................... 9
3.8 - Electrical wiring ................................................................................................................................................................................. 10
3.9 - Low voltage wiring ............................................................................................................................................................................ 17
4 - PRE-START-UP .................................................................................................................................................................................. 18
4.1 - System checkout ................................................................................................................................................................................ 18
5 - FIELD SELECTABLE INPUTS ......................................................................................................................................................... 18
5.1 - Complete C control jumper settings .................................................................................................................................................. 18
5.2 - Complete C control DIP switches ...................................................................................................................................................... 18
5.3 - Deluxe D control jumper settings ...................................................................................................................................................... 18
5.4 - Deluxe D control DIP switches.......................................................................................................................................................... 19
5.5 - Deluxe D control accessory relay configurations .............................................................................................................................. 19
5.6 - Water valve (slow opening) ............................................................................................................................................................... 20
5.7 - Outdoor air damper (OAD) ................................................................................................................................................................ 20
6 - START-UP ........................................................................................................................................................................................... 20
6.1 - Operating limits.................................................................................................................................................................................. 20
6.2 - Scroll compressor rotation ................................................................................................................................................................. 21
6.3 - Unit start-up cooling mode ................................................................................................................................................................ 21
6.4 - Unit start-up heating mode................................................................................................................................................................. 21
6.5 - Flow regulation .................................................................................................................................................................................. 21
6.6 - Flushing.............................................................................................................................................................................................. 22
6.7 - Anti-freeze.......................................................................................................................................................................................... 23
6.8 - Cooling tower/boiler systems ............................................................................................................................................................ 23
6.9 - Ground coupled, closed loop and plateframe heat exchanger well systems...................................................................................... 23
7 - OPERATION........................................................................................................................................................................................ 24
7.1 - Power up mode................................................................................................................................................................................... 24
7.2 - Units with Aquazone Complete C control ......................................................................................................................................... 24
7.3 - Units with Aquazone Deluxe D control ............................................................................................................................................. 24
8 - SYSTEM TEST .................................................................................................................................................................................... 25
8.1 - Test mode ........................................................................................................................................................................................... 25
8.2 - Retry mode ......................................................................................................................................................................................... 25
8.3 - Aquazone Deluxe D control LED indicators ..................................................................................................................................... 25
9 - SERVICE .............................................................................................................................................................................................. 26
9.1 - Filters.................................................................................................................................................................................................. 26
9.2 - Water coil ........................................................................................................................................................................................... 26
9.3 - Condensate drain pans ....................................................................................................................................................................... 26
9.4 - Refrigerant system ............................................................................................................................................................................. 27
9.5 - Condensate drain cleaning ................................................................................................................................................................. 27
9.6 - Air coil cleaning................................................................................................................................................................................. 27
9.7 - Condenser cleaning ............................................................................................................................................................................ 27
9.8 - Checking system charge .................................................................................................................................................................... 27
9.9 - Refrigerant charging .......................................................................................................................................................................... 28
9.10 - Air coil fan motor removal............................................................................................................................................................... 28
10 - TROUBLESHOOTING ..................................................................................................................................................................... 28
10.1 - Thermistor ........................................................................................................................................................................................ 28
10.2 - Control sensors................................................................................................................................................................................. 28
11 - START-UP CHECKLIST - 50RHE R-407C UNIT ......................................................................................................................... 32