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Carrier 58TMA, Инструкция по установке, запуску и эксплуатации, Страница: 18 / 18

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Copyright 1994 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231

58tma3si

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book 1

4

Tab

6a 8a

PC 101

Catalog No. 535-824

Printed in U.S.A.

Form 58TMA-3SI

Pg 18

6/94

Replaces: 58TMA-2SI

Содержание 58TMA

Страница 1: ...abels attached to or shipped with the unit and other safety precautions that may apply Follow all safety codes In the United States refer to the National Fuel Gas Code NFGC NFPA No 54 1992 ANSI Z223 1 1992 In Canada refer to the current edition of the National Standard of ama CANADIAN GAS ASSOCIATION APPROVED R Table 1 Clearances to Combustible Materials In UNIT SIZE 065 AND 085 105 AND 125 DOWNFL...

Страница 2: ...g ungrounded objects 7 An ESD service kit available from commercial sources may also be used to prevent ESD damage INTRODUCTION The model 58TMA Series 100 Furnaces are available in sizes 65 000 through 123 000 Btuh input capacities The design of the downflow horizontal gas fired furnace is A G A and C G A design certified for natural and propane gases and for installation on noncombustible floorin...

Страница 3: ...urnace may be installed on combustible flooring when installed with the accessory downflow subbase which is available from your distributor or branch when required LOCATION RELATIVE TO COOLING EQUIPMENT The cooling coil must be installed parallel with or on the downstream side of the furnace to avoid condensation in the heat exchangers When installed parallel with a furnace dampers or other means ...

Страница 4: ...fined space is constructed unusually tight air for combustion and ventilation MUST come from either the outdoors or spaces freely communicating with the outdoors Combustion and ventilation openings must be sized the same as for a confined space as defined below Return air must not be taken from the room unless an equal or greater amount of air is supplied to the room CONFINED SPACE A confined spac...

Страница 5: ...is taken from outdoors through vertical ducts the openings and ducts MUST have at least 1 sq in of free area per 4000 Btuh of the total input for all equipment within the confined space For Example COMBUSTION AIR FROM OUTDOORS THROUGH VERTICAL DUCTS 58TMA Furnace High Fire Input Btuh Free Area per Opening Sq In Round Pipe In Dia 63 000 15 8 5 84 000 21 0 6 105 000 26 3 6 123 000 30 8 7 b If combus...

Страница 6: ...esult in fire personal injury or death The 2 factory supplied filters are shipped in the blower compart ment After the return air duct has been connected to the furnace install the filters in a V formation inside the return air plenum See Fig 8 and Table 3 for horizontal applications Horizontal filter retainers must be field supplied See Fig 9 for downflow applica tions Step 7 Gas Piping Gas pipin...

Страница 7: ...ore the test See Fig 10 It is recommended that the ground joint union be loosened before pressure testing After all connections have been made purge the lines and check for gas leakage with regulated gas supply pressure Step 8 Electrical Connections 115 V WIRING Refer to the unit rating plate or Table 5 for equipment electrical requirements The control system requires an earth ground for proper op...

Страница 8: ... replacement is required use ONLY a 3 amp fuse The control will flash code 24 when the fuse needs replacement ACCESSORIES 1 Electronic air cleaner EAC A terminal block EAC 1 hot and EAC 2 neutral is provided for EAC connection See Fig 11 The terminals are energized with 115v 1 amp maximum during blower motor operation 2 Humidifier HUM Screw terminals HUM 1 and Com are provided for 24 v humidifier ...

Страница 9: ...TYPE CKT BKR AMPS Max Min 065 08 115 60 1 127 104 8 0 14 46 15 065 12 115 60 1 127 104 11 0 14 33 15 085 12 115 60 1 127 104 12 0 14 30 15 085 16 115 60 1 127 104 13 2 14 28 15 105 20 115 60 1 127 104 17 2 12 33 20 125 20 115 60 1 127 104 18 4 12 31 20 Permissible limits of the voltage range at which the unit will operate satisfactorily Time delay fuse is recommended Length shown is as measured 1 ...

Страница 10: ...nse to a call for heat See Fig 14 When the high heat only switch SW 1 is on it always causes high gas heat operation when the R W W1 circuit is closed regardless of the setting of the low heat only switch SW 2 This furnace can operate as a 2 stage furnace with a single stage thermostat because the furnace control CPU includes a programmed adaptive sequence of controlled operation which selects low...

Страница 11: ...IGNITOR 115 VAC HOT SURFACE IGNITOR RELAY SPST N O 24VAC HUMIDIFIER CONNECTION 5 AMP MAX INDUCED DRAFT MOTOR 2 SPEED SHADED POLE INDUCER MOTOR RELAY SPST N O INDUCER MOTOR SPEED CHANGE RELAY SPDT BLOWER DOOR INTERLOCK SWITCH SPST N O JUNCTION BOX LIGHT EMITTING DIODE FOR STATUS CODES LOW GAS PRESSURE SWITCH SPST N O LOW HEAT PRESSURE SWITCH SPST N O LIMIT SWITCH OVERTEMPERATURE AUTO RESET SPST N O...

Страница 12: ...s of whether the R W2 circuit is closed or open The start up and shutdown functions and delays described in item 1 above apply to the 2 stage heating mode as well except for switching from low to high gas heat and vice versa a When the wall thermostat calls for heat the R W W1 circuit closes for low gas heat or the R to W1 and W2 circuits close for high gas heat The furnace control per forms a sel...

Страница 13: ...Y2 for high cooling speed 2 The EAC terminals EAC 1 and EAC 2 are energized with 115v when the blower motor BLWM is operating on either cooling speed 3 When the thermostat is satisfied the furnace blower motor BLWM continues operating on the cooling speed for an additional 90 sec c Single Speed Heat Pump Heating 1 The thermostat and accessory interface kit R to G and Y Y2 circuits start the furnac...

Страница 14: ...in average yearly specific gravity for local gas supply 3 Verify furnace model Table 8 can only be used for model 58TMA Furnaces 4 Check and verify orifice size in furnace NEVER ASSUME THE ORIFICE SIZE ALWAYS CHECK AND VERIFY 5 Find natural gas heat value and specific gravity in Table 8 6 Follow heat value and specific gravity lines to point of intersection Find orifice size and manifold pressure ...

Страница 15: ...0 Btuh Low Heat Per Burner GAS HEAT VALUE BTU CU FT SPECIFIC GRAVITY OF NATURAL GAS 0 58 0 60 0 62 0 64 0 66 0 68 0 70 0 72 Orf No Heat High Low Orf No Heat High Low Orf No Heat High Low Orf No Heat High Low Orf No Heat High Low Orf No Heat High Low Orf No Heat High Low Orf No Heat High Low 860 42 3 5 1 4 42 3 2 1 3 3 6 1 5 41 42 3 3 1 4 3 7 1 5 40 41 42 3 2 1 3 3 4 1 4 3 8 1 6 40 41 3 3 1 3 3 5 1...

Страница 16: ...346 340 333 15 16 17 18 19 240 225 212 200 189 480 450 424 400 379 1200 1125 1059 100 947 55 56 57 58 59 65 64 63 62 61 131 129 126 124 122 327 321 316 310 305 20 21 22 23 24 180 171 164 157 150 360 343 327 313 300 900 857 818 783 750 60 62 64 66 68 60 58 56 54 53 120 116 112 109 106 300 290 281 273 265 25 26 27 28 29 144 138 133 129 124 288 277 267 257 248 720 692 667 643 621 70 72 74 76 78 51 50...

Страница 17: ...urnace and set room thermostat above room temperature c After normal start up allow furnace to operate for 2 minutes then block flue outlet 100 percent Furnace should cycle off within 2 minutes d Remove blockage and reconnect vent connector to furnace flue collar e Wait 5 minutes and then reset draft safeguard switch 3 Check flow sensing pressure switches This control proves operation of draft ind...

Страница 18: ...6231 58tma3si Manufacturer reserves the right to discontinue or change at any time specifications or designs without notice and without incurring obligations Book 1 4 Tab 6a 8a PC 101 Catalog No 535 824 Printed in U S A Form 58TMA 3SI Pg 18 6 94 Replaces 58TMA 2SI ...

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