Trane YCZ035F1 manuale d’uso

All phases of this installation must comply with the NATIONAL, STATE & LOCAL CODES . In the absence of local codes, the installation must conform with National Electric Code -- ANSI/NFPA 70 or "LATEST REVISION." Since Trane has a policy of continuous product and product data improvement, it reserves the right to change design and spec[...]

Page 2 GENERAL INFORMA TION IMPORTANT: Read this entire manual before beginning installation procedures. ▲ WARNING: BODILY INJURY CAN RESULT FROM HIGH VOLTAGE ELECTRICAL COMPONENTS, FAST MOVING FANS, AND COMBUSTIBLE GAS. FOR PROTECTION FROM THESE INHERENT HAZARDS DURING INSTALLATION AND SERVICING, THE ELECTRICAL SUPPLY MUST BE DISCONNECTED AND TH[...]

Page 3 TYPICAL ROOFTOP INSTALLATION WITH BAYCURB030A,038A (YCZ036,050,060F Models) TYPICAL ROOFTOP INSTALLATION WITH FULL PERIMETER CURBS (YCZ036,050,060F Models) 1 ROOF INSULA TION ROOF DECK FIELD SUPPLIED RIGID INSULA TION SUPPL Y AIR DUCT RETURN AIR DUCT ROOF MOUNTING CURB FIELD SUPPLIED CANT STRIP FIELD SUPPLIE D SUPPORTS A T EACH END OF CURB R[...]

Page 4 DIMENSIONAL D A T A 3 YCZ036,050,060F OUTLINE – BACK MODE L CORNER WEIGHT (LBS) NET UNIT WEIGHT (LBS) AB C D E F G H J K L M N P W1 W2 W3 W4 YCZ03 6F 161 106 10 4 157 528 64 36 29-3/16 18-9/16 11-1/ 16 6-9/16 11-1/8 17 18-1/2 25-1/2 17-1/2 10 3 8-3/4 YCZ0 50F 1 72 121 137 196 62 6 65-1/8 45 33-3/8 21-1/ 16 15-1/16 4-15/16 9-1/ 8 21-15/ 16 [...]

Page 5 4 DIMENSIONAL D A T A YCZ036,050,060F OUTLINE – FRONT CLEARANCE T O COMBUSTIBLE MA TERIAL BO TTOM 0.0" BA CK 1. 0" LEFT S I DE 6. 0" RIGHT SIDE 6.0" FRONT SIDE 12.0" T OP 36.0" RECOMM ENDED SER VICE CLEARANC E BA CK * 6.0" LEFT SIDE 30.0" RIGHT SIDE 24.0" FR ONT 42.0" * 18" WITH F RESH[...]

Page 6 5 6 CONVERTING HORIZONTAL TO DOWNFLOW REQUIRED CLEARANCE FOR UNIT INSTALLATION AND ROOF PENETRATION HOLE SIZE REQUIRED E F HOLE IN ROOF WOOD NAILER SIDE RAIL SERVICE CLEARANCE LINES SERVICE CLEARANCE LINES A B C D SUPPLY AIR RETURN AIR HEATER EXCHANGER TUBES HORIZONTAL SUPPLY AIR COVER HORIZONTAL RETURN AIR COVER SHEET METAL SCREWS NOTE SUPP[...]

Page 7 LOCA TIONS AND RECOMMEND A TIONS HORIZONTAL AIRFLOW APPLICATION 1. These units are design certified for outdoor installations. These units may be installed directly on wood flooring or on Class A, Class B, or Class C roof covering material. The discharge air from the condenser fans must be unrestricted for a minimum of 3 feet above the unit.[...]

Page 8 LOCA TIONS AND RECOMMEND A TIONS 15. Access and service clearances for the unit must be given careful consideration when locating the duct entrance open- ings. Figure 4 provides unit dimensions. 16. All fabricated outdoor ducts should be as short as possible. CLEARANCES 1. The recommended clearances for single-unit installations are illustra[...]

Page 9 INST ALLA TION IMPORTANT: Do not lift the unit without test lifting for balance and rigging. Do not lift the unit in windy conditions or above personnel. Do not lift the unit by attaching a clivus, hooks, pins, or bolts to the unit casing, casing hardware, corner lugs, angles, tabs, or flanges. Failure to observe these warnings may result in[...]

Page 10 INST ALLA TION ROOFTOP -- UNITS For roof top applications using a field fabricated frame and ducts, use the following procedure: 1. The frame must be located and secured by bolting or welding to the roof. Flashing is required. 2. The hole in the roof must be prepared in advance of installing the unit. 3. Secure the ducts to the roof. TYPICA[...]

Page 11 INST ALLA TION GROUND LEVEL -- HORIZONTAL UNITS For ground level installations, the unit should be positioned on a pad the size of the unit or larger. The unit must be level on the pad. The pad must not come in contact with the structure (See Figure 11.) Be sure the outdoor portion of the supply and return air ducts are as short as possible[...]

Page 12 ATTACHING HORIZONTAL DUCTWORK TO UNIT All conditioned air ductwork should be insulated to minimize heating and cooling duct losses. Use a minimum of two (2) inches of insulation with a vapor barrier. The outside ductwork must be weatherproofed between the unit and the building. When attaching ductwork to a horizontal unit, provide a flexibl[...]

Page 13 CAUTION : Before making the gas pipe connection give seri- ous consideration to providing the required clearance neces- sary to remove the access panels on the unit (e.g., economizer and filter access panels). NOTE : In the absence of local codes, the installation must conform with American National Standard--Z223.1--National Fuel Gas Code,[...]

Page 14 NOTE: The shut-off gas cock must be installed outside of the unit and should meet the specifications of all applicable national and local codes . 2. Install a ground union joint downstream of the shut-off cock. This joint must also be installed outside of the unit. 3. Install a drip leg at least six (6) inches in depth next to the union as [...]

Page 15 INPUT CHECK AND ADJUSTMENT 1. Make sure all gas appliances are off except the furnace. 2. Clock the gas meter with the furnace operating (determine the dial rating of the meter) for one revolution. 3. Match the “Sec” column in the gas flow (in cfh) Table 3 with the time clocked. 4. Read the “Flow” column opposite the number of secon[...]

Page 16 ELECTRICAL CONNECTIONS Electrical wiring and grounding must be installed in accordance with local codes or, in the absence of local codes, with the National Electrical Code ANSI/NFPA 70, Latest Revision. ELECTRICAL POWER It is important that proper electrical power be available for the unit. Voltage variation should remain within the limits[...]

Page 17 YCZ-F FIELD WIRING DIAGRAM the Thermostat System Switch until power has been applied long enough to evaporate any liquid R-22 in the compressor. It is recommended that the sump heater be energized for eight (8) hours prior to starting. After all electrical wiring is complete, set the thermostat system switch in the OFF position so that the [...]

Page 18 ST ART - UP PRE-START QUICK CHECKLIST ● Is the unit properly located and level with the proper clearance? See Figure 4. ● Is the duct work correctly sized, run, taped, insulated, and weatherproofed with proper unit arrangement? See Ductwork Installation section. ● Is the gas piping correctly sized, run, trapped, and purged of air? See[...]

Page 19 ST ART - UP 8. Set the thermostat at the desired temperature setting and the unit will function automatically. STARTING THE UNIT IN THE GAS HEATING MODE 1. Check to make sure all grilles and registers are open and all unit access doors are closed before start-up. 2. Purge the gas supply line of air by opening the union ahead of the unit. Wh[...]

Page 20 o DIP SWITCHES (TYPICAL SETTINGS) SEQUENCE OF OPERA TION ICM FAN CONTROL The rollout switch (FS) is located in the gas compartment near the inlet of the burners. This is a single use device designed to protect against any form of flame rollout. If this device is opened the gas valve is immediately de-energized and the control (IGN) will loc[...]

Page 21 TROUBLESHOOTING CHART SYSTEM FAULTS ELECTRICAL REFRIGERANT CIRCUIT P -PRIMARY CAUSES S-SECONDARY CAUSES Liquid Pressure T oo high Liquid Pressure T oo Low Suction Pressure T oo High Suction Pressure T oo Low Liquid Refrigerant floodback (TXV System) Liquid Refrig. floodback (Cap. T ube System) I. D . Coil Frosting Compressor Runs Inadequate[...]

Page 22 ROUTINE MAINTENANCE BY OWNER You can do some of the periodic maintenance functions for your YCZ-F unit yourself; this includes replacing the disposable or cleaning the permanent air filters, cleaning the unit cabinet, cleaning the condenser coil, and conducting a general unit inspection on a regular basis. When the system is in constant ope[...]

Page 23 LIMITED W ARRANTY COMBINATION GAS ELECTRIC AIR CONDITIONER YCZ, YCY AND YCX Models Less Than 20 Tons for Residential Use* (Parts Only) This limited war ranty is extended by American Standard Inc., to the original purc haser and to any succeeding owner of the real proper ty to whic h the Combination Gas Electric Air Conditioner is originally[...]

Page 24 Technical Literature - Printed in U.S.A. LIMITED W ARRANTY COMBINATION GAS ELECTRIC AIR CONDITIONER YCZ, YCY, YCX, YCC, YCD, YCH, YCP, YHC and YSC Models Less Than 20 Tons for Commercial Use* (Parts Only) his warranty is e xtended b y Amer ican Standard Inc., to the original purchaser and to any succeeding o wner of the real proper ty to wh[...]