Fuse2 5.0 18/24 20.8 26.0 10 30 N/A N/A N/A N/A 10.0 18/24/30/36/42 41.6 52.0 6 60 N/A N/A N/A N/A 15.0 30/36/42/48 20.8 26.0 10 30 41.6 52.0 6 60 20.0 48/60 41.6 52.0 6 60 41.6 52.0 6 60 25.0 60 20.8 26.0 10 30 41.6 52.0 6 60 1 If wire is applied at ambient greater than 30°C (86°F), consult Table 310-16 of the NEC (ANSI/NFPA 70). The ampacity of nonmetalic-sheathed cable (NM), trade name ROMEX, shall be that of 60°C (140°F) conductors, per the NEC (ANSI/NFPA 70) Article 336-30. If other than uncoated (nonplated), 60°C or 75°C (140°F or 167°F) insulation, copper wire (solid wire for 10 AWG and smaller, stranded wire for larger than 10 AWG) is used, consult applicable tables of the NEC (ANSI/NFPA 70). 2 Time-delay fuse. 3 Circuit #3 is only used for 25kw heater. Heat Pump Auxiliary Heater #1 (Field Wiring) Auxiliary Heater #1 (Field Wiring) Ground Lug Auxiliary Heater #2 (Field Wiring) Heat Pump Unit Wiring with VPDB1 Distribution Block Ground (Field Wiring) Auxiliary Heater #2 Line Voltage And Ground Connections 3) THERMOST 3) THERMOST3) THERMOST3) THERMOST3) THERMOST3) THERMOSTA AAAAAT MOUNTING AND WIRING T MOUNTING AND WIRINGT MOUNTING AND WIRINGT MOUNTING AND WIRINGT MOUNTING AND WIRINGT MOUNTING AND WIRING A. Thermostat Location Locate the thermostat about 5 ft. above the floor in an area with good circulation at average indoor temperature. Do not mount the thermostat where it may be affected by: • Drafts or dead-air spots behind doors and in corners. • Hot or cold air flow from ducts. • Radiant heat from sun or appliances. • Concealed pipes or chimneys. • Unheated (uncooled) areas behind thermostat, such as an outside wall. B. Thermostat Mounting and Wiring The thermostat is a precision instrument and was carefully adjusted at the factory. Handle it carefully. CAUTION: Disconnect the power supply before beginning installation of the thermostat to prevent electrical shock or equipment damage. Do not short across the thermostat terminals. This can burn out the thermostat anticipator. All wiring for the thermostat circuit must comply with NEC, state and local codes. Use No. 20 AWG color-coded, insulated (35°C minimum) wire. If the thermostat is located more than 100 ft. from the unit (as measured along the control voltage wires), use No. 18 AWG color-coded wires to avoid excessive voltage drop. 1. In replacement applications, check the existing thermostat wiring for cracked or frayed insulation. Replace any wiring in poor condition. All wiring must comply with local codes and ordinances. 2. Run wiring (if necessary) to the location. Thread the wires through a hole in the packing material saved in Step 2. Connect the wires to the terminals on the back of the thermostat. (See Figure 11.) 3. Push the excess wire back through the hole and plug any opening with packing material to prevent drafts that may affect thermostat performance. 4. Loosely secure the thermostat to the wall with screws through the two mounting holes in the middle of the thermostat. 5. Level the thermostat. Tighten the two mounting screws. 6. Replace the thermostat cover. C. W C. WC. WC. WC. WC. Wire Thermostat Cable to Unit T ire Thermostat Cable to Unit Tire Thermostat Cable to Unit Tire Thermostat Cable to Unit Tire Thermostat Cable to Unit Tire Thermostat Cable to Unit Terminal Strip erminal Striperminal Striperminal Striperminal Striperminal Strip Attach thermostat wires to low-voltage terminal block on left side of control box in locations indicated in Figures 1, 2 & 3. Figure 11 Thermostat Wiring G R Y B W2 E C Fan Compressor Auxiliary Common Heat 24V Reversing Emergency Valve Heat G R Y B W2 E X 4) 4)4)4)4)4) CONDENSA CONDENSACONDENSACONDENSACONDENSACONDENSATE DRAIN LINE TE DRAIN LINETE DRAIN LINETE DRAIN LINETE DRAIN LINETE DRAIN LINE The condensate drain exits the unit 2" above floor level at the right side front corner of the unit. The condensate drain line is already internally trapped therefore, no external condensate trap is required. Install a condensate drain line of the same size as the drain fitting on the unit. PVC plastic pipe (3/4 in. I.D.) makes an ideal condensate line (if local codes allow). Run condensate drain line from unit to floor drain or outside perimeter of building per local codes. The condensate line must have a minimum drop of 1/4" per running foot as it leaves the unit. When a horizontal run of 15 ft. or longer is required, it may be necessary to install a vent tee in the drain line near the unit or use a larger diameter drain line. This is to eliminate air trapping and allow proper condensate drainage. Heat pumps generate condensate during both cooling and heating modes. Condensate drain line must be protected from freezing to prevent condensate from backing up in unit during freezing outdoor conditions. NOTE: If the unit is to be installed in an attic or furred space where damage may result from condensate overflow, ...

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