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Carrier AQUAZONE 50VQP084-300 manual

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  • Page 1

    Manufacturer reserves the right to disco ntinue, or change at any time, specifications or de signs without notice and without inc urring obligations. Catalog No . 04-53 500080-01 Printed in U .S .A. Form 50VQP-C1SI Pg 1 11-10 Replaces: New Installation, Star t-Up , and Ser vice Instructions CONTENTS Page SAFETY CONSIDERA T IONS . . . . . . . . . . [...]

  • Page 2

    2 Follow all safety codes. W e ar safety glasses and work gloves. Use quenching cloth for brazing operations. Have fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions attached to the unit. Consult local building codes and the National Electrical Code (NEC, U.S.A.) for special installation requirements[...]

  • Page 3

    3 Table 1 — 50VQP Unit Physical Data LEGEND NO TES: 1. All units hav e grommet and spring compressor mou ntings, and 2.2 cm and 3.5 cm electrical knockouts . 2. Use the lowest maxim um pressure rating when multiple options are combined: UNIT 50VQP 084 096 120 150 168 192 240 300 COMPRESSOR QU ANTITY Scroll (1) Scroll (2) Factory Charge HFC-410A ([...]

  • Page 4

    4 Fig. 2 — 50VQP084-150 Un it Dimensi ons CONNECTIONS 50VQP084-12 0 50VQP150 W ater Inlet (See Note 7) 1 1 / 2 in. FPT 2 in. FPT W ater Outlet (See Note 7) 1 1 / 2 in. FPT 2 in. FPT Condensate D rain (See Note 8) 1 in. FPT 1 in. FPT High V oltage Access (See Note 9) 1 3 / 8 in. 1 3 / 8 in. Low V oltage Access (See Note 9 ) 7 / 8 in. 7 / 8 in. 1 2[...]

  • Page 5

    5 Fig. 3 — 50VQP168-300 Unit Dimensions CONNECTIONS 50VQP168- 240 50VQP30 0 W ater Inlet (See Note 7) 2 in. FPT 2 1 / 2 in. FPT W ater Outlet (See Note 7) 2 in. FPT 2 1 / 2 in. FPT Condensate Drain (See Note 8) 1 in. FPT 1 in. FPT High V oltage Access (See Note 9) 1 3 / 8 in. 1 3 / 8 in. Low V oltage A ccess (Se e Note 9) 7 / 8 in. 7 / 8 in. 1 2 [...]

  • Page 6

    6 PR O T EC T I O N — Once the units are properly positioned on the jobsite, they must be covered with either a shipping carton, vinyl film, or an equivalent protective covering. Open ends of pipes stored on the jobsite must be capped. This precaution is especially important in areas where painting, plastering, or spraying of fireproof material, [...]

  • Page 7

    7 4. Remove 4 bolts and take blower glides out. See Fig. 7. 5. Attach blower glides to blower bottom load brackets as shown in Fig. 8. Use bottom set of holes on blower bot- tom load brackets. The blower shaft should be sitting di- rectly on top of the blower glides. 6. Stand in front and pull the blower assembly on to the ridge of the blower glide[...]

  • Page 8

    8 12. 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 unit with- in a small mechanical room or a closet. The following are addi- tional measures for sound control. 1. Mount the unit so that the return-air inlet is 90 degrees to the return-air grille. I[...]

  • Page 9

    9 4. Loosen belt tension and take belt of f. See Fig. 20. 5. Remove bolt-belt adjustment assembly . See Fig. 20. 6. Move bolt-belt adjustment as sembly to opposite side and reattach. See Fig. 21. 7. Put belt back on and tighten. Put control box cover and motor cover on return side. See Fig. 22. 8. Put 3 panels back onto unit. See Fig. 23. Step 5 ?[...]

  • Page 10

    10 Each 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 common trap or vent. See Fig. 25. Consider the following: • Units are typically installe d directly above each other on successive floors with condensat e drains located near the units. • Connec[...]

  • Page 11

    11 • Boiler drains and oth er valves should be connected using a “T” connector to allow acid flushing for the heat exchanger . • Do not overtighten connections. • Route piping to avoid serv ice access areas to unit. • Use PVC SCH80 or copper piping material. NOTE: PVC SCH40 should not be used due to system high pressure and temperature [...]

  • Page 12

    12 Table 2 — Water Quality Guideline s LEGEND *Heat e xchan ger materials co nsidered are copper , cupronic kel, 304 SS (stain - less stee l), 316 SS , titaniu m. †Closed recircul ating system is id entified by a closed pressu rized piping syst em. **Recir culating op en wells should ob serve the open recir culating d esign consider ations. †[...]

  • Page 13

    13 Fig. 27 — 50VQP0 84-168 Unit with Complete C Control (Typical) a50-8438 NO TES: 1. Compressor and blow er motor thermally protected inter nally . 2. All wiring to the unit must comply with N EC (N ational Electr ical Code, U .S.A.) and local codes. 3. 380/420-v transformers will be connected for 380-v operation. F or 420- v operation, disconne[...]

  • Page 14

    14 NO T ES: 1. Compressor and blower motor thermally protected internally . 2. All wiring to the unit must comply with NEC (National Electr ical Code) and local codes. 3. 380/420-v transf ormers will be connected fo r 380-v operation. F or 420-v operation, dis- connect VIO lead at L1, and attach BRN lead to L1. Close open end of VIO le ad. 4. FP1 t[...]

  • Page 15

    15 Y W O G R C AL1 AL2 A CR CMP1 FA N PWR HS1/EXH/RVS PREMIER LINK CR COMPLETE C CONTROL J4 J6 J5 J8 J1 PWR S P S A L W CMPSAFE T T T Y1 G R C AL1 CMP1 FA N PWR PREMIER LINK DELUXE D CONTROL J4 J8 J1 PWR CMPSAFE HS2 HS1 CMP2 Y2 W1 O/W2 J6 J5 S P T S A T L W T LEGEND NO TE: Rev ersing valve is on in Cooling mode. CR — Control Re lay LW T — Leavi[...]

  • Page 16

    16 Table 3 — 50VQP Unit Electrical Data — Standa rd Unit LEGEND NO TES: 1. HACR circuit break er in U .S.A. only . 2. All fuses Class RK-5. Table 4 — 50VQP Unit Electrical Data — Dual Poi nt Power Unit LEGEND NO TES: 1. HACR circuit break er in U .S.A. only . 2. All fuses Class RK-5. 50VQP UNIT SIZE VO LT AG E (V -Ph-Hz) MIN/MAX VO LT AG E [...]

  • Page 17

    17 Step 9 — Field Contr ol Wiring TH E R M OS T A T C O N N EC T I O NS — The thermostat should be wired directly to the Aquazone™ control board. See Fig. 27-31. W A TE R FREEZE PROTECTION — The Aquazone control allows the field selection of source fluid freeze protection points through jumpers. The factory setting of jumper JW3 (FP1) is se[...]

  • Page 18

    18 9. Condensate line is ope n and correctly pitched. 10. T ransformer switched to lowe r voltage tap if necessary . 1 1. B lower rotates freely — shipping support is removed. 12. Blower speed is on correct setting. 13. Air filter is clean and in position. 14. Service/access panels are in place. 15. Return-air temperature is 4.4 to 26.7 C for hea[...]

  • Page 19

    19 Table 5 — 50VQP084 Blowe r Performance Data LEGEND NO TES: 1. Unit is factory shippe d with standard stat ic sheave and drive at 2.5 turns open. Other speeds require fi eld selection. 2. For applications requiring higher stat ic pressures, contact your local Carrier rep- resentative. P erformance data does not include drive losses and is based[...]

  • Page 20

    20 Table 6 — 50VQP096 Blow er Performance Data LEGEND NO TES: 1. Unit is f actor y shipped with standard sta tic sheav e and drive at 2.5 turns open. Other speeds requ ire field sel ection. 2. F or applications requiring hi gher static pressures , contact you r local Carrier repre- sentativ e. P erformance data do es not include d rive losses and[...]

  • Page 21

    21 Table 6 — 50VQP096 Blo wer Performanc e Data (cont) LEGEND NO TES: 1. Unit is f actor y shipped with standard stati c sheav e and drive at 2.5 turns open. Other speeds requ ire field sel ection. 2. F or applications requiring hi gher static pressures , contact you r local Carrier repre- sentativ e. P erformance data do es not include d rive lo[...]

  • Page 22

    22 Table 7 — 50VQP120 Blow er Performance Data LEGEND NO TES: 1. Unit is factory shippe d with standard stat ic sheave and drive at 2.5 turns open. Other speeds require fi eld selection. 2. For applications requiring higher stat ic pressures, contact your local Carrier rep- resentative. P erformance data does not include drive losses and is based[...]

  • Page 23

    23 Table 7 — 50VQP120 Blo wer Performanc e Data (cont) LEGEND NO TES: 1. Unit is factory shippe d with standard stat ic sheave and drive at 2.5 turns open. Other speeds require fi eld selection. 2. For applications requiring higher stat ic pressures, contact your local Carrier rep- resentative. P erformance data does not include drive losses and [...]

  • Page 24

    24 Table 8 — 50VQP150 Blow er Performance Data LEGEND NO TES: 1. Unit is factory shippe d with standard stat ic sheave and drive at 2.5 turns open. Other speeds require fi eld selection. 2. For applications requiring higher stat ic pressures, contact your local Carrier rep- resentative. P erformance data does not include drive losses and is based[...]

  • Page 25

    25 Table 8 — 50VQP150 Blo wer Performanc e Data (cont) LEGEND NO TES: 1. Unit is factory shippe d with standard stat ic sheave and drive at 2.5 turns open. Other speeds require fi eld selection. 2. For applications requiring higher stat ic pressures, contact your local Carrier rep- resentative. P erformance data does not include drive losses and [...]

  • Page 26

    26 Table 9 — 50VQP168 Blow er Performance Data LEGEND NO TES: 1. Unit is factory shippe d with standard stat ic sheave and drive at 2.5 turns open. Other speeds require fi eld selection. 2. For applications requiring higher stat ic pressures, contact your local Carrier rep- resentative. P erformance data does not include drive losses and is based[...]

  • Page 27

    27 Table 10 — 50VQP1 92 Blower Perfo rmance Data LEGEND NO TES: 1. Unit is f actor y shipped with standard stati c sheav e and drive at 2.5 turns open. Other speeds requ ire field sel ection. 2. F or applications requiring hi gher static pressures , contact you r local Carrier repre- sentativ e. P erformance data do es not include d rive losses a[...]

  • Page 28

    28 Table 10 — 50VQP192 Blower Performance Data (cont) LEGEND NO TES: 1. Unit is f actor y shipped with standard sta tic sheav e and drive at 2.5 turns open. Other speeds requ ire field sel ection. 2. F or applications requiring hi gher static pressures , contact you r local Carrier repre- sentativ e. P erformance data do es not include d rive los[...]

  • Page 29

    29 Table 11 — 50VQP2 40 Blower Perfo rmance Data LEGEND NO TES: 1. Unit is f actor y shipped with standard stati c sheav e and drive at 2.5 turns open. Other speeds requ ire field sel ection. 2. F or applications requiring hi gher static pressures , contact you r local Carrier repre- sentativ e. P erformance data do es not include d rive losses a[...]

  • Page 30

    30 Table 11 — 50VQP240 Blower Performance Data (cont) LEGEND NO TES: 1. Unit is f actor y shipped with standard sta tic sheav e and drive at 2.5 turns open. Other speeds requ ire field sel ection. 2. F or applications requiring hi gher static pressures , contact you r local Carrier repre- sentativ e. P erformance data do es not include d rive los[...]

  • Page 31

    31 Table 12 — 50VQP3 00 Blower Perfo rmance Data LEGEND NO TES: 1. Unit is f actor y shipped with standard stati c sheav e and drive at 2.5 turns open. Other speeds requ ire field sel ection. 2. F or applications requiring hi gher static pressures , contact you r local Carrier repre- sentativ e. P erformance data do es not include d rive losses a[...]

  • Page 32

    32 Table 12 — 50VQP300 Blower Performance Data (cont) LEGEND NOTES: 1. Unit is f actor y shipped with standard sta tic sheav e and drive at 2.5 turns open. Other speeds requ ire field sel ection. 2. F or applications requiring hi gher static pressures , contact you r local Carrier repre- sentativ e. P erformance data do es not include d rive loss[...]

  • Page 33

    33 FIELD SELECT ABLE INPUTS Jumpers and DIP (dual in-line package) switches on the control board are used to customize unit operation and can be configured in the field. Complete C Contro l J umper Settings (See Fig. 27) W A TER COIL FREEZE PROTECTION (FP1) LIMIT SETTING — Se l e ct ju mpe r 3 , ( JW 3- F P1 Lo w T em p) to choose FP1 limit of ?[...]

  • Page 34

    34 Auto Dehumidification Mod e or High Fan Mode — Switch 7 provides selection of auto dehu midification fan mode or high fan mode. In auto dehumidification fan mode the fan speed relay will remain off during cooling stage 2 if terminal H is active. In high fan mode, the fan enable and fan speed relays will turn on when terminal H is active. Set t[...]

  • Page 35

    35 Table 15 — 50VQP Unit Operating Limits LEGEND *Requires optional insulation package when operating below the dew point. †With antifreeze, optional e xtended range insulation and low tem- perature cutout jumper clipped for antifreeze . If the suction pressure does not drop and the dischar ge pressure does not rise to normal levels: 1. T urn o[...]

  • Page 36

    36 Table 17 — Coaxial Water Pressure Drop NOTE: If air is purged from the system while using a 250 mm PVC fl ush tank, only a 2 5 to 50 mm level drop will be noticed since liquids are incompressible. If the level drops more than this, flushin g should continue since air is still being compressed in t he loop. If level is less than 2 5 to 50 mm, r[...]

  • Page 37

    37 Units with Aquazone™ Complete C Contr ol ST ANDBY — Y and W terminals are not active in Standby mode, however the O and G terminals may be active, de- pending on the application. The compressor w ill be off. COOLING — Y and O terminal s are active in Cooling mode. After power up, the first call t o the compressor wi ll initiate a 5 t o 80 [...]

  • Page 38

    38 Table 20 — Complete C Control Current LED Status and Alarm Relay Oper ations LEGEND NO TES: 1. Slow flash is 1 flash e very 2 seconds. 2. F ast flash is 2 flashes every 1 second. 3. EXAMPLE: “Flashing Code 2” is represented b y 2 f ast flashes follo wed by a 10-second pause . This sequence will repeat continually unti l the f ault is clear[...]

  • Page 39

    39 Retry Mode — In Retry mode, the st atus LED will start to flash slowly to signal that the control is trying to recover from an input fault. The control will stage of f the outputs and try to again satisfy the thermostat used to terminal Y . Once the ther- mostat input calls are satisfied, the control will continue normal operation. NOTE: If 3 [...]

  • Page 40

    40 Drain condenser and flush with clean water . Follow acid manufacturer ’ s instructions. Checkin g System Char ge — Units are shipped with full operating charge. If rechar ging is necessary: 1. Insert thermometer bulb in insulating rubber sleeve on liquid line near filter drier . Use a digital thermometer for all temperature measurements. DO [...]

  • Page 41

    41 a50-8163 LEGEND Fig. 39 — FP1 and FP2 Thermistor Location CO AX — Coaxial Heat Exchanger Airflow Refrigerant Liquid Line F low S UCTIO N COMPRE SS OR DI S CHARGE COAX EXP AN S ION VA LV E FP 2 FP 1 LIQUI D LIN E WA TER IN WA TER OUT CONDEN S A TE OVERFLO W (CO) AIR COI L FREEZ E PROTECTIO N WA TE R COI L PROTECTIO N THERMI S T OR ( ° C) ( ?[...]

  • Page 42

    42 Table 23 — Troubleshooting LEGEND F A UL T HEA TING COOLING P OSSIBLE CA USE SOLUTION Main Power Problems X X Gr een Status LED Off Chec k line voltage circuit breaker and disconne ct. Check for line v oltage bet ween L1 and L2 on th e contacto r . Check f or 24-vac between R and C on con troller. Check primar y/secondar y voltage on transform[...]

  • Page 43

    43 Table 23 — Troubleshooting ( cont) LEGEND F A UL T HEA TING COOLING P OSSIBLE CA USE SOLUTION Only Compressor Runs X X Ther mo stat wir ing Check G wir ing at heat pump. Jumper G and R for fan operation. Check Y and W wiring at hea t pump. J umper Y and R for compressor operatio n in T est mode. X X F an motor relay Jumper G and R for f a n op[...]

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  • Page 46

    Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No . 04-53500080-01 Printed in U .S.A. Form 50VQP-C1SI Pg 46 11-10 Replaces: New Copy right 2010 Carrier Cor poration[...]

  • Page 47

    Manufacturer reserves the right to disco ntinue, or change at any time, specifications or de signs without notice and without inc urring obligations. PC 111 Catalog No . 536-203 Pr inted in U. S.A. Form 62AQ-1SI Pg CL-1 7-99 Replaces: New B o o k111444 T a b 1 a1 b5 a5 a6 a6 b CL-1 50VQP ST A RT -UP CHECKLIST CUSTOMER: ___________________________ J[...]

  • Page 48

    Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No . 04-53500080-01 Printed in U. S.A. Form 50VQP-C1SI Pg CL-2 11-10 Replaces: New Copy right 2010 Carrier Cor poration - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - [...]