Carrier 25HBC- Manuals

Page 2 - WARNING; Residential Piping and Long Line

2 INSTALLATION Check Equipment and Job Site Unpack Unit Move to final location. Remove carton taking care not to damageunit. Inspect Equipment File claim with shipping company prior to installation if shipment is damaged or incomplete. Locate unit rating plate on unit cornerpanel. It contains inform...

Page 3 - Table 1 – Accessory Usage; Outdoor Unit Connected To Factory Approved Indoor; CAUTION; UNIT DAMAGE HAZARD; Installing with Indoor Piston; Outdoor Unit Connected to Factory Approved Indoor Unit

3 Table 1 – Accessory Usage Accessory REQUIRED FOR LOW --- AMBIENT COOLING APPLICATIONS (Below 55 ° F / 12.8 ° C) REQUIRED FOR LONG LINE APPLICATIONS* REQUIRED FOR SEA COAST APPLICATIONS (Within 2 miles / 3.22 km) Accumulator Standard Standard Standard Ball Bearing Fan Motor Yes { No No Compressor S...

Page 4 - Install Liquid Line Filter Drier Indoor; Evacuate Refrigerant Tubing and Indoor Coil; Deep Vacuum Method; Final Tubing Check; Make Electrical Connections; Route Ground and Power Wires

4 Install Liquid Line Filter Drier Indoor Refer to Fig. 6 and install filter drier as follows: 1. Braze 5 in. (127 mm) liquid tube to the indoor coil.2. Wrap filter drier with damp cloth.3. Braze filter drier to 5 in. (127 mm) long liquid tube from step 1. 4. Connect and braze liquid refrigerant tub...

Page 5 - Connect Control Wiring; Compressor Crankcase Heater; Follow these steps to properly start up system:

5 A00010 Fig. 9 -- 3--Phase Monitor Control (Applies to 3--Phase Units Only) Table 3 – 3--Phase Monitor LED Indicators LED STATUS OFF No call for compressor operation FLASHING Reversed phase ON Normal Connect Control Wiring Route 24v control wires through control wiring grommet andconnect leads to c...

Page 6 - Sequence of Operation; Cooling; Heating; NOTE

6 Sequence of Operation Turn on power to indoor and outdoor units. Transformer is energized. Cooling On a call for cooling, thermostat makes circuits R--O and R--Y, and R--G. Circuit R--O energizes reversing valve, switching it to cooling position. Circuit R--Y energizes contactor, starting outdoorf...

Page 7 - Check Charge; Units with Cooling Mode TXV

7 Check Charge Factory charge amount and desired subcooling are shown on unitrating plate. Charging method is shown on information plate inside unit. For TXV, use subcooling method. For piston, use superheatmethod. To properly check or adjust charge, conditions must be favorable for subcooling or su...

Page 8 - Table 5 – Required Liquid Line Temperatures; Table 6 – Superheat Charging (Heat Pump Only); Table 7 – Required Suction--Line Temperature

8 Table 5 – Required Liquid Line Temperatures _ F LIQUID PRESSURE AT SERVICE VALVE (PSIG) REQUIRED SUBCOOLING TEMPERATURE (° F) 8 10 12 14 16 18 251 76 74 72 70 68 66 259 78 76 74 72 70 68 266 80 78 76 74 72 70 274 82 80 78 76 74 72 283 84 82 80 78 76 74 291 86 84 82 80 78 76 299 88 86 84 82 80 78 3...

Page 9 - FINAL CHECKS; IMPORTANT; CARE AND MAINTENANCE

9 FINAL CHECKS IMPORTANT : Before leaving job, be sure to do the following: 1. Ensure that all wiring is routed away from tubing and sheet metal edges to prevent rub--through or wire pinching. 2. Ensure that all wiring and tubing is secure in unit before adding panels and covers. Securely fasten all...

Manuals:

User Manual Carrier 25HBC

Summary

Carrier Manuals