Carrier AQUAZONE 50VQP084-300 Instruction Manual

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Cata

10Each unit must be installed with its own individual trap,vent and means to flush or blow out the condensate drain line.Do not install units with a c

11• Boiler drains and other valves should be connected usinga “T” connector to allow acid flushing for the heatexchanger.• Do not overtighten connecti

12Table 2 — Water Quality GuidelinesLEGEND*Heat exchanger materials considered are copper, cupronickel, 304 SS (stain-less steel), 316 SS, titanium.†C

13Fig. 27 — 50VQP084-168 Unit with Complete C Control (Typical)a50-8438NOTES:1. Compressor and blower motor thermally protected internally.2. All wiri

14NOTES:1. Compressor and blower motor thermally protected internally.2. All wiring to the unit must comply with NEC (National Electrical Code) and lo

15YWOGRCAL1AL2ACRCMP1FANPWRHS1/EXH/RVSPREMIERLINKCRCOMPLETECCONTROLJ4J6J5J8J1PWRSPSALWCMPSAFETTTY1GRCAL1CMP1FANPWRPREMIERLINKDELUXEDCONTROLJ4J8J1PWRCM

16Table 3 — 50VQP Unit Electrical Data — Standard UnitLEGEND NOTES:1. HACR circuit breaker in U.S.A. only.2. All fuses Class RK-5.Table 4 — 50VQP Unit

17Step 9 — Field Control WiringTHERMOSTAT CONNECTIONS — The thermostat shouldbe wired directly to the Aquazone™ control board. SeeFig. 27-31.WATER FRE

189. Condensate line is open and correctly pitched.10. Transformer switched to lower voltage tap if necessary.11. Blower rotates freely — shipping sup

19Table 5 — 50VQP084 Blower Performance DataLEGEND NOTES:1. Unit is factory shipped with standard static sheave and drive at 2.5 turns open.Other spee

2Follow all safety codes. Wear safety glasses and workgloves. Use quenching cloth for brazing operations. Have fireextinguisher available. Read these

20Table 6 — 50VQP096 Blower Performance DataLEGEND NOTES:1. Unit is factory shipped with standard static sheave and drive at 2.5 turns open. Otherspee

21Table 6 — 50VQP096 Blower Performance Data (cont)LEGEND NOTES:1. Unit is factory shipped with standard static sheave and drive at 2.5 turns open. Ot

22Table 7 — 50VQP120 Blower Performance DataLEGEND NOTES:1. Unit is factory shipped with standard static sheave and drive at 2.5 turns open.Other spee

23Table 7 — 50VQP120 Blower Performance Data (cont)LEGEND NOTES:1. Unit is factory shipped with standard static sheave and drive at 2.5 turns open.Oth

24Table 8 — 50VQP150 Blower Performance DataLEGEND NOTES:1. Unit is factory shipped with standard static sheave and drive at 2.5 turns open.Other spee

25Table 8 — 50VQP150 Blower Performance Data (cont)LEGEND NOTES:1. Unit is factory shipped with standard static sheave and drive at 2.5 turns open.Oth

26Table 9 — 50VQP168 Blower Performance DataLEGEND NOTES:1. Unit is factory shipped with standard static sheave and drive at 2.5 turns open.Other spee

27Table 10 — 50VQP192 Blower Performance DataLEGEND NOTES:1. Unit is factory shipped with standard static sheave and drive at 2.5 turns open. Otherspe

28Table 10 — 50VQP192 Blower Performance Data (cont)LEGEND NOTES:1. Unit is factory shipped with standard static sheave and drive at 2.5 turns open. O

29Table 11 — 50VQP240 Blower Performance DataLEGENDNOTES:1. Unit is factory shipped with standard static sheave and drive at 2.5 turns open. Otherspee

3Table 1 — 50VQP Unit Physical Data LEGENDNOTES:1. All units have grommet and spring compressor mountings, and2.2 cm and 3.5 cm electrical k

30Table 11 — 50VQP240 Blower Performance Data (cont)LEGENDNOTES:1. Unit is factory shipped with standard static sheave and drive at 2.5 turns open. Ot

31Table 12 — 50VQP300 Blower Performance DataLEGENDNOTES:1. Unit is factory shipped with standard static sheave and drive at 2.5 turns open. Otherspee

32Table 12 — 50VQP300 Blower Performance Data (cont) LEGENDNOTES:1. Unit is factory shipped with standard static sheave and driv

33FIELD SELECTABLE INPUTSJumpers and DIP (dual in-line package) switches on thecontrol board are used to customize unit operation and can beconfigured

34Auto Dehumidification Mode or High Fan Mode — Switch 7provides selection of auto dehumidification fan mode or highfan mode. In auto dehumidification

35Table 15 — 50VQP Unit Operating Limits LEGEND*Requires optional insulation package when operating below thedew point.†With antifreeze, optional

36Table 17 — Coaxial Water Pressure DropNOTE: If air is purged from the system while using a250 mm PVC flush tank, only a 25 to 50 mm level drop willb

37Units with Aquazone™ Complete C ControlSTANDBY — Y and W terminals are not active in Standbymode, however the O and G terminals may be active, de-pe

38Table 20 — Complete C Control Current LED Status and Alarm Relay OperationsLEGENDNOTES:1. Slow flash is 1 flash every 2 seconds.2. Fast flash is 2 f

39Retry Mode — In Retry mode, the status LED will start toflash slowly to signal that the control is trying to recover froman input fault. The control

4Fig. 2 — 50VQP084-150 Unit DimensionsCONNECTIONS 50VQP084-120 50VQP150Water Inlet (See Note 7) 11/2 in. FPT 2 in. FPTWater Outlet (See Note 7) 11/2 i

40Drain condenser and flush with clean water. Follow acidmanufacturer’s instructions.Checking System Charge — Units are shipped withfull operating cha

41a50-8163LEGENDFig. 39 — FP1 and FP2 Thermistor LocationCOAX — Coaxial Heat ExchangerAirflowRefrigerant Liquid Line FlowSUCTIO N COMPRESSOR DISCHARGE

42Table 23 — TroubleshootingLEGENDFAULT HEATING COOLING POSSIBLE CAUSE SOLUTIONMain Power Problems X X Green Status LED Off Check line voltage circuit

43Table 23 — Troubleshooting (cont)LEGENDFAULT HEATING COOLING POSSIBLE CAUSE SOLUTIONOnly Compressor Runs X X Thermostat wiring Check G wiring at hea

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Cata

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Cata

5Fig. 3 — 50VQP168-300 Unit DimensionsCONNECTIONS 50VQP168-240 50VQP300Water Inlet (See Note 7) 2 in. FPT 21/2 in. FPTWater Outlet (See Note 7) 2 in.

6PROTECTION — Once the units are properly positioned onthe jobsite, they must be covered with either a shipping carton,vinyl film, or an equivalent pr

74. Remove 4 bolts and take blower glides out. See Fig. 7.5. Attach blower glides to blower bottom load brackets asshown in Fig. 8. Use bottom set of

812. Reattach blockoff air handler as shown in Fig. 15.13. Put 3 panels back onto unit. See Fig. 16.Sound minimization is achieved by enclosing the un

94. Loosen belt tension and take belt off. See Fig. 20.5. Remove bolt-belt adjustment assembly. See Fig. 20.6. Move bolt-belt adjustment assembly to o