Gebruiksaanwijzing /service van het product 58TMA van de fabrikant Carrier
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58TMA Downflow/Horizontal 2-Speed, 2-Stage, Induced-Combustion Gas Furnace Installation, Start-Up, and Operating Instructions Sizes 065-125, Series 111 NOTE: Read the entire instruction manual before starting the installation. This symbol → indicates a change since the last issue.
ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PROCEDURE Electrostatic discharge can affect electronic components. Take precautions during furnace installation and servicing to protect the furnace electronic control. Precautions will pre- vent electrostatic discharges from personnel and hand tools which are held during the procedure.
in alcoves, attics, crawlspaces, basements, closets, or utility rooms. The design of this furnace line is not A.G.A./C.G.A. certified for installation in mobile homes, recreation vehicles, or outdoors. Before installing the furnace, refer to the current edition of the NFGC and the NFPA 90B.
Improper installation, adjustment, alteration, service, mainte- nance, or use can cause carbon monoxide poisoning, explo- sion, fire, electrical shock, or other conditions which may cause personal injury, loss of life, or property damage.
installed in that space. A confined space MUST have provisions for supplying air for combustion, ventilation, and dilution of flue gases using 1 of the following methods. (See Fig. 3 and Table 2.) NOTE: In determining free area of an opening, the blocking effect of louvers, grilles, and screens must be considered.
KGASB0201ALL is used. Manufacturer’s accessory floor base is not required when this furnace is installed on manufacturer’s Coil Assembly Part No. CD5 or CK5, or Coil Box Part No. KCAKC is used. 1. Determine application being installed from Table 3.
2. When completed, downflow subbase, plenum, and furnace (or coil casing when used) should be installed as shown in Fig. 6. Step 4—Horizontal Attic Installation Do not install furnace on its back; safety control operation will be adversely affected.
→ Fig. 9—Horizontal Crawlspace Installation on Hanger Rods A96633 NOTES: ANGLE IRON OR EQUIVALENT ROD LOCATION USING DIMPLE LOCATORS (SEE DIMENSIONAL DWG FOR LOCATIONS) 3 ⁄ 8 -IN. ROD 1. A 1 In. clearance minimum between top of furnace and combustible material.
If flexible connector is required or allowed by authority having jurisdiction, black iron pipe shall be installed at gas valve and extend a minimum of 2 in. outside furnace casing. Use the proper length of pipes to avoid stress on gas control manifold.
Step 8—Electrical Connections 115-V WIRING Refer to unit rating plate or Table 6 for equipment electrical requirements. The control system requires an earth ground for proper operation. Do not connect aluminum wire between disconnect switch and furnace.
This furnace can be installed with either single-stage heating or 2-stage heating thermostat. For single-stage thermostats, connect thermostat W to W/W1 at furnace control terminal block.
his furnace is equipped with 2 manual reset limit switches in gas control area. The switches will open and shut off power to gas valve if a flame rollout or an overheating condition occurs in gas control area.
→ Fig. 18—Unit Wiring Diagram A97508 LEGEND ALS1 AUXILIARY LI MIT SWITCH, OVERTEMP. MANUAL RES ET, SPST (N. C.) ALS2 AUXILIARY LI MIT SWITCH, OVERTEMP.
The furnace starts up in either low- or high-gas heat. If furnace starts up in low-gas heat, control CPU determines low-gas heat on time (from 0 to 16 minutes) which is permitted before switching to high-gas heat.
(1.) The thermostat closes R to G-and-Y circuits. The R-Y circuit starts outdoor unit, and R to G-and-Y circuits start furnace blower motor BLWM on high- cool speed. (2.) The EAC terminals EAC-1 and EAC-2 are energized with 115v when blower motor BLWM is operating.
BLWM operation at heat pump heating speed until end of prepurge period, then shuts off until end of HSI ignitor on period (22 sec). b. When installed with a heat pump, furnace control CPU automatically holds blower off time to 22 sec during HSI ignitor on period.
e. Move setup switch SW-2 to OFF position after completing low-heat adjustment. f. Jumper R and W2 thermostat connections on control center. (See Fig. 14.) This keeps furnace locked in high-heat operation. g. Turn high-heat adjusting screw (5/64 hex Allen wrench) counterclockwise (out) to decrease input rate or clockwise (in) to increase rate.
Table 10—Model 58TMA Orifice Size and Manifold Pressure for Correct Input (Tabulated Data Based on 21,000 Btuh High Heat/13,500 Btuh Low Heat per Burner, Derated 4% for Each 1000 Ft Above Sea Level)* ALTITUDE RANGE (FT) AVG GAS HEAT VALUE AT ALTITUDE (BTU/CU FT) SPECIFIC GRAVITY OF NATURAL GAS 0.
Table 10—Model 58TMA Orifice Size and Manifold Pressure for Correct Input—Continued (TABULATED DATA BASED ON 21,000 BTUH HIGH HEAT/13,500 BTUH LOW HEAT PER BURNER, DERATED 4% FOR EACH 1000 FT ABOVE SEA LEVEL)* ALTITUDE RANGE (FT) AVG GAS HEAT VALUE AT ALTITUDE (BTU/CU FT) SPECIFIC GRAVITY OF NATURAL GAS 0.
Table 10—Model 58TMA Orifice Size and Manifold Pressure for Correct Input—Continued (TABULATED DATA BASED ON 21,000 BTUH HIGH HEAT/13,500 BTUH LOW HEAT PER BURNER, DERATED 4% FOR EACH 1000 FT ABOVE SEA LEVEL)* ALTITUDE RANGE (FT) AVG GAS HEAT VALUE AT ALTITUDE (BTU/CU FT) SPECIFIC GRAVITY OF NATURAL GAS 0.
a. Place duct thermometers in return and supply ducts as near furnace as possible. Be sure thermometers do not see heat exchangers so that radiant heat will not affect thermometer readings.
components in R-W/W1 circuit. Accurate amp draw read- ings can be obtained at wires normally connected to thermostat subbase terminals R and W/W1. Fig. 21 illus- trates an easy method of obtaining actual amp draw. The amp reading should be taken after blower motor has started and furnace is operating in low heat.
CHECKLIST 1. Put away tools and instruments, and clean up debris. 2. Check SW-1 through SW-4 after completing installation to ensure desired settings for thermostat type (SW-1 and SW-2) and blower off delay (SW-3 and SW-4). Refer to Tables 6 and 7. 3.
A94328 SER VICE TRAINING P ackaged Service T raining prog rams are an e xcellent wa y to increase your knowledge of the equipment discussed in this man ual, including: • Unit F amiliarization • Ma.
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