Carrier PERFORMANCE 50VT-A- Manuals

Page 2 - INTRODUCTION; Step 1 — Check Equipment; Identify Unit; Step 2 — Provide Unit Support; Roof Curb; CAUTION; Slab Mount; Step 3 — Provide Clearances

2 Recognize safety information. This is the safety--alert symbol . When you see this symbol on the unit and in instructions or manu-als, be alert to the potential for personal injury. Understand these signal words: DANGER, WARNING, and CAUTION. Thesewords are used with the safety--alert symbol. DANG...

Page 5 - LARGE CURB; SMALL OR LARGE BASE UNIT

5 RETURN AIR SMALL BASE UNIT SUPPLY AIR LARGE BASE UNIT UNIT PLACEMENT ON COMMON CURB LARGE CURB SMALL OR LARGE BASE UNIT SMALL/COMMON CURB ROOF CURB DETAIL Wood nailer* Roofcurb* Insulation(field supplied) *Provided with roofcurb Cant stripfield supplied Roofing materialfield supplied Flashing fiel...

Page 6 - Step 4 — Rig and Place Unit; Inspection; UNIT FALLING HAZARD; PROPERTY DAMAGE HAZARD; WARNING

6 ACCESS PANELS MUST BE IN PLACE WHEN RIGGING. PANNEAUX D'ACCES DOIT ÊTRE EN PLACE POUR MANIPULATION. 50CY502286 2.0 CAUTION - NOTICE TO RIGGERSPRUDENCE - AVIS AUX MANIPULATEUR Use top skid as spreader bar. / Utiliser la palette du haut comme barre de répartition SEAL STRIP MUST BE INPLACE BEFORE PL...

Page 7 - Step 5 — Select and Install Ductwork; PERSONAL INJURY HAZARD; IMPORTANT; CONFIGURING UNITS FOR DOWNFLOW; ELECTRICAL SHOCK HAZARD; NOTE

7 Step 5 — Select and Install Ductwork The design and installation of the duct system must be inaccordance with the standards of the NFPA for installation ofnon--residence type air conditioning and ventilating systems,NFPA 90A or residence--type, NFPA 90B and/or local codes andordinances.Select and ...

Page 8 - Step 6 — Provide for Condensate Disposal; Step 7 — Install Electrical Connections; UNIT COMPONENT DAMAGE HAZARD

8 screwed or bolted to duct flanges. Use suitable gaskets toensure weather--tight and airtight seal. 4. All units must have field--supplied filters or accessory filter rack installed in the return--air side of the unit.Recommended sizes for filters are shown in Table 1. 5. Size all ductwork for maxi...

Page 9 - Control Voltage Connections; Standard Connections; Transformer Protection

9 POWERSUPPLY FIELD-SUPPLIEDFUSED DISCONNECT HIGH VOLTAGEPOWER LEADS(SEE UNIT WIRINGLABEL) EQUIP GR CONTROL BOX LOW-VOLTAGEPOWER LEADS(SEE UNITWIRING LABEL ) W1 Y G R C WHT(W1) YEL(Y) GRN(G) RED(R) BRN(C) THERMOSTAT(TYPICAL) ORN(O) 3-PHASE SHOWN1-PHASE USES TWO POWER LEADS W2 VIO (W2) O SPLICE BOX D...

Page 17 - ENVIRONMENTAL HAZARD; Checking Cooling and Heating Control Operation; Step 1 — Check for Refrigerant Leaks

17 PRE--START--UP FIRE, EXPLOSION, ELECTRICAL SHOCK AND ENVIRONMENTAL HAZARD Failure to follow this warning could result in personal injury, death or property damage. 1. Follow recognized safety practices and wear protective goggles when checking or servicing refrigerant system. 2. Relieve and recov...

Page 18 - Single Cooling Fan Speed Set-up (Dehumidification

18 turning backwards, the difference between compressor suction anddischarge pressures may be near zero. Checking and Adjusting Refrigerant Charge The refrigerant system is fully charged with Puron (R--410A)refrigerant and is tested and factory sealed. NOTE : Adjustment of the refrigerant charge is ...

Page 19 - Single Speed Cooling With Higher Electric Heat Speed; UNIT OPERATION HAZARD; Table 3 – Color Coding for Indoor Fan Motor Leads; Continuous Fan Operation; LEGEND; HPS – High Pressure Switch

19 4. Remove the vinyl cap off of the desired speed tap wire (Refer to Table 3 for color coding) for the normal cooling fan speed and place desired speed tap wire on “HIGH” onthe interface board. 5. Refer to airflow tables (Table 4) to determine allowable speeds for the dehumidification cooling fan ...

Page 20 - Step 3 — Defrost Control; Quiet Shift

20 HIGH LOW COM QC5 QC4 QC3 KZ KL 07 09 08 0L0 ALO R13 C8 R11 Q1 Q3 D2 AL2 DCR QCR QC1 C RL 01 G1 G2 Z1 A7 R9 AB A15 C4 C9 C0 QIL Z2 06 04 U1 C3 R4 RL4 JWZ C7 D5 D3 R3 R5 R6 R2 JW5 QCB Y R W2 Y C W3 W3 W2 W2 C JW4 P2 JW3 P4 P1 W2 W3 Y2 Y1 Y DH G C R SSTZ-8 P3 SDL 24V A C/R 3AMP CDM/C F1 STD DEHUM A0...

Page 23 - MAINTENANCE; Step 1 — Air Filter; Indoor Blower and Motor

23 MAINTENANCE To ensure continuing high performance, and to minimize thepossibility of premature equipment failure, periodic maintenance must be performed on this equipment. This heat pump unit shouldbe inspected at least once each year by a qualified service person. To troubleshoot unit, refer to ...

Page 27 - Step 11 — Copeland Scroll Compressor (Puron; EXPLOSION HAZARD; Step 12 — Refrigerant System; Refrigerant; PROPERTY HAZARD, PERSONAL INJURY OR; Compressor Oil; Synthetic Roof Precautionary Procedure; Liquid Line Filter Drier

27 Step 8 — Pressure Switches Pressure switches are protective devices wired into control circuit(low voltage). They shut off compressor if abnormally high or low pressures are present in the refrigeration circuit. These pressure switches are specifically designed to operate with Puron (R--410A)syst...

Page 28 - Step 13 — System Information; Loss of Charge Switch; Check Defrost Thermostat; TROUBLESHOOTING

28 Puron (R--410A) Refrigerant Charging Refer to unit information plate and charging chart. Some R--410A refrigerant cylinders contain a dip tube to allow liquid refrigerant toflow from cylinder in upright position. For cylinders equipped with a dip tube, charge Puron units with cylinder in uprightp...

Page 30 - Table 10 – Troubleshooting Chart

30 Table 10 – Troubleshooting Chart SYMPTOM CAUSE REMEDY Compressor and condenser fan will not start. Power failure Call power company Fuse blown or circuit breaker tripped Replace fuse or reset circuit breaker Defective contactor, transformer, or high--pressure, loss--of--charge or low--pressure sw...

Carrier PERFORMANCE 50VT-A- Manuals

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User Manual Carrier PERFORMANCE 50VT-A

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Carrier Manuals