Related Manuals for American Standard YSC036A
Summary of Contents for American Standard YSC036A
- Page 1 Installation Operation and Maintenance Packaged Gas/Electric 3 - 10 Ton Model Numbers: YSC036A - YSC120A YHC036E - YHC060E YHC033A - YHC120A YSC072 - YSC120E YSC036E - YSC060E RT-SVX21F-EN June 2008...
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Page 2: Hazard Identification
15 days. capacitors have discharged. Failure number printed on the unit to disconnect power and discharge nameplate. © 2007 American Standard Inc. All rights reserved RT-SVX21F-EN... - Page 3 Preface and Warnings and Cautions capacitors before servicing could result in death or serious injury. WARNING R410a Refrigerant! R-410A refrigerant systems operate at higher pressures than standard R- 22 systems. Do not use R-22 service equipment or components on R- 410A refrigerant equipment.
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Page 4: Table Of Contents
Contents Hazard Identification ........... 2 Unit Inspection . - Page 5 Contents Maintenance ........... . Annual Maintenance .
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Page 6: Model Number Description
Model Number Description 11 12,13 14 DIGIT 1 — UNIT TYPE DIGIT 17 - CONDENSER COIL M Medium PROTECTION DX Cooling H High Y DX Cooling, Gas Heat Standard Coil X Low, Stainless Steel Heat W Packaged Heat Pump Standard Coil with Hail Guard Exchanger Black Epoxy Pre-Coated Y Medium, Stainless Steel Heat... - Page 7 Model Number Description Multispeed direct drive standard DIGIT 22 - REFRIGERATION SYSTEM on single-phase and 15 SEER OPTION products. Belt drive standard on Standard Refrigeration System three-phase 13 SEER and 6-10 A Expansion Valve (standard for 3- ton R410a products. 10 Ton R410a Units) Economizer with Barometric B Standard Refrigeration System...
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Page 8: General Information
General Information Unit Nameplate and customer binary contacts to RLCI - ReliaTel™ LonTalk satisfy the applicable request for Communication Interface A Mylar unit nameplate is located on cooling. (Optional) the unit’s corner support next to the filter access panel. It includes the Economizer Control Actuator This module is used when the unit model number, serial number,... - Page 9 General Information nominally, the RTRM will shut off all Low Pressure Control Power Exhaust Control mechanical operations, lock the (Optional) system out, send a diagnostic to ICS, ReliaTel Control and the SERVICE output will flash. ReliaTel Control When the LPC is opened for 1 The system will remain locked out continuous second, the compressor until a reset is initiated either...
- Page 10 General Information Zone Sensor Module (ZSM) The Zone Sensor allows selection of Remote Zone Sensor 2, 3 or 4 system modes (Heat, Cool, (BAYSENS008B) (BAYSENS016A) Auto, and Off), two fan modes (On This electronic sensor features four This bullet type temperature sensor and Auto).
- Page 11 General Information Evaporator Frost Control from performing it's design are two conditions that will prevent function. unit operation.The power supply (ReliaTel™ Option) circuit is not balanced with the Note: Airflow through the unit is This input incorporates the Frostat™ proper phase sequence of L1, L2, L3 affected by the amount of dirt control (FOS) mounted in the indoor for the 3 conductors of a 3 phase...
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Page 12: Unit Clearances
Unit Dimensions Unit Clearances Providing less than the recommended clearances may result Figure 1 illustrates the minimum in condenser coil starvation, “short- operating and service clearances for circuiting” of exhaust and either a single or multiple unit economizer airflows, or recirculation installation. - Page 13 Unit Dimensions Figure 2. Unit Dimensional Data YHC033A, Y(H/S)C036A, YHC043A, Y(H/S)C048A — Low and Medium Heat YSC060A — Low and Medium Heat 1775 1775 Figure 3. YHC033A, Y(H/S)C036A, YHC043A,Y(H/S)C048A — High Heat YSC060A — High Heat YHC060A, YHC063A — Low, Medium, and High Heat YSC036E, YSC048E, YSC060E, YHC036E 1775 1775 RT-SVX21F-EN...
- Page 14 Unit Dimensions Figure 4. Unit Dimensional Data Y(H/S)C072A, YSC090A, YSC092A, YHC048E, YHC060E, YSC072E Figure 5. Dimensional Data YHC092A, Y(H/S)102A, Y(H/S)C120A, YSC092E, YSC102E, YSC120E RT-SVX21F-EN...
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Page 15: Pre-Installation
Pre-Installation WARNING Fiberglass Wool ! Product contains fiberglass wool. Disturbing the insulation in this product during installation, maintenance or repair will expose you to airborne particles of glass wool fibers and ceramic fibers known to the state of California to cause cancer through inhalation. -
Page 16: Installation
Lifting YSC036A1*(L,M,X,Y) cables (chains or slings) may not be YSC036A1*(H,Z) of the same length. Adjust as YSC036A(3,4,W)*(L,M,X,Y) necessary for even unit lift. Other YSC036A(3,4,W)*(H,Z) lifting arrangements may cause equipment or property-only damage. YSC036E(1,3,4,W) - Page 17 Installation Table 1. Typical unit weights and point Table 2. Typical accessory weights loading data (continued) Weight - Net lbs Center of YHC033 Corner Wt. (lbs) Gravity (In.) Option/Accessory , 043, YSC036- YSC072- Weight Description Unit Model (lbs) Length Width Economizer YHC036E1, E3, E4 204 110...
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Page 18: Foundation
Installation Foundation Figure 9. 3-5 ton R22, 3-5 ton Standard Efficiency R410a, 3 ton Horizontal Units High Efficiency R410a Downflow Unit Supply & Return Air Opening If the unit is installed at ground level, elevate it above the snow line. Provide concrete footings at each support location with a “full perimeter”... -
Page 19: Roof Curb
Installation Figure 10. 4-5 ton High Efficiency R410a, 6-10 ton R22 and R410a Roof Curb Horizontal Unit Supply & Return Air Opening Downflow The roof curbs for these units consists of a “full perimeter” enclosure to support the unit. Before installing any roof curb, verify;... -
Page 20: General Unit Requirements
Installation joining the roof curb are included in not use cables, chains, or slings • Verify that the installation the curb instruction booklet. Curb except as shown. location of the unit will provide ductwork must be fabricated and the required clearance for proper Install a lifting bar, as shown in installed by the installing contractor operation. -
Page 21: Horizontal Discharge Conversion
Installation Y*C120A**(M,Y), Table 3. TC01 tripping values Table 3. TC01 tripping values Y*C120A**(H,Z) TCO1 Tripping TCO1 Tripping YSC036E**(M,Y), Values Downflow/ Values Downflow/ Unit Model Horizontal Unit Model Horizontal YSC036E**(H,Z), YSC048E**(H,Z), Y*C048A**(M,Y) 170F YSC120E**(M,Y) 190F / 260F YHC043A**(H,Z), YSC048E**(H,Z)-DD 155F/210F YSC120E**(H,Z) 230F / 210F YSC048A**(H,Z),YHC063A**( YSC048E**(M,Y)-BD... -
Page 22: Tco-1 Instructions
Installation required for the unit undergoing installation. Figure 13. Figure 16. After completing installation of LOCATION OF TCO1 LIMIT LOCATION OF TCO1 LIMIT FOR THE Y(S/H)C036E, YS048E, FOR THE Y(S/H)C036E, YS048E, the duct covers for horizontal AND YSC060E UNITS AND YSC060E UNITS discharge, proceed to TCO-1 instructions. -
Page 23: Return Air Smoke Detector
Installation Place SUPPLY DUCT COVER over required for the unit Replace and discard the existing down-flow return opening. undergoing installation. TCO1 originally installed at the (insulation side down) factory for downflow operation After completing installation of with the TCO1 shipped attached Using self-drilling screws, (or the duct covers for horizontal to the combustion blower for... -
Page 24: Through The Base Gas Installation
Downflow view base pan surface. Slide the top bracket down the WARNING copper sensing tube. For Hazardous Voltage w/ YSC036A-060A, YHC033A-060A, Capacitors! YSC036E-060E, and YHC036E Disconnect all electric power, units insert the tab on the left including remote disconnects and... -
Page 25: Requirements For Gas Heat
Installation Using pipe sealant, attach the 6 piping in excess of 0.50 psig or 6. Replace evaporator access 1/2" nipple and gas shutoff 14 " W.C. to prevent component panel and supply air access assembly to the 90° elbow on the failure. -
Page 26: Filter Installation
Installation Verify that the power supply (UDC) or circuit breaker (UCB). If available is compatible with the unit’s neither a factory mounted Figure 25. Condensate trap nameplate ratings. The available nonfused disconnect switch installation supply power must be within 10% of (UDC) or circuit breaker (UCB) the rated voltage stamped on the was factory mounted, field... -
Page 27: Controls Using Dc Analog Input/Outputs
Installation Note: All field wiring must conform Route low voltage wiring per Note: Ensure that the wiring to NEC guidelines as well as illustrations on page 24. between controls and the state and local codes. unit’s termination point does not exceed two and a half Table 4. - Page 28 Installation Figure 27. ReliaTel conventional thermostat Figure 29. ReliaTel options module field wiring diagrams RTRM Figure 30. ReliaTel relative himidity sensor Figure 28. Typical field wiring diagrams for (dehumidification option) Electro Mechanical Figure 31. ReliaTel humidistat (dehumidification option) RT-SVX21F-EN...
- Page 29 Installation Figure 32. Electro mechanical control customer low voltage routing Figure 33. ReliaTel control customer low voltage routing RT-SVX21F-EN...
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Page 30: Smoke Detector Customer Low Voltage Wiring
Installation Smoke Detector If you have supply and return smoke If you have more than 5 HVAC units, detectors in all HVAC units, you can you can connect all the supplies Customer Low Voltage connect a maximum of 5 HVAC units together on one power supply (up to Wiring (10 detectors) up to one power... -
Page 31: Space Temperature Averaging
Installation Space Temperature Example #1 illustrates two series Example #3 illustrates the circuit circuits with two sensors in each required for this sensor. Figure 7, Averaging circuit wired in parallel. The square p. 33 lists the temperature versus of any number of remote sensors is resistance coefficient for all sensors. - Page 32 Installation Figure 37. Typical field wiring diagrams for optional controls (ReliaTel only) RT-SVX21F-EN...
- Page 33 Installation Table 7. Temperature vs. resistance Table 9. Iron pipe size (SI) millimeters Temperature Iron Pipe Size (SI) Millimeters Degrees Degrees Nominal Length F° C° Resistance of Pipe -20° -28.9° 170.1 K - Ohms (Meters) Pipe Pipe Pipe Pipe Pipe -15°...
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Page 34: Voltage Imbalance
Pre-Start Use the checklist provided below in panels in preparation for starting equal as much as a 20% current conjunction with the “General Unit the unit. imbalance with a resulting increase Requirements” checklist to ensure in motor winding temperatures that that the unit is properly installed and will decrease motor life. - Page 35 Pre-Start WARNING Before starting the unit in the Use one of the following “Test” “Cooling” mode, set the system procedure to bypass some time Live Electrical Components! switch to the “Off” position and turn delays and to start the unit at the During installation, testing, servicing the main power disconnect to the control panel.
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Page 36: Test Modes
Pre-Start Table 10. Service test guide for component operation Econ Test Step Mode (Note 2) Comp1 Comp 2 Heat 1 Heat 2 Ohms Minimum Position 2.2K Setpoint 0% Minimum Selectable Ventilation Economizer Open 3.3K Test Open Cool Minimum (Note 1) 4.7K Stage 1 Position... -
Page 37: Verifying Proper Air Flow
Start-Up Verifying Proper Air Flow With the fan operating properly, The actual external static pressure is determine the total system external approximately 0.45" w.c., airflow static pressure (inches w.c.) by; equals 2100 CFM. (Units with Two Speed Direct Measuring the supply and return If the static pressure reading was Drive Indoor Fan) duct static pressure,... -
Page 38: Verifying Proper Air Flow
Start-Up Electro Mechanical Control Verifying Proper Air Flow With the fan operating properly, determine the total system external Using the Service Test Guide perform static pressure (inches w.c.) by the (Units with 5-Tap Direct Drive the proper test mode connections. following method: Indoor Fan) Once the supply fan has started,... -
Page 39: Return Air Smoke Detector
Start-Up Return Air Smoke WARNING Electro Mechanical Control Rotating Components! Detector Using the Service Test Guide perform During installation, testing, servicing the proper test mode connections. The return air smoke detector is and troubleshooting of this product designed to shut off the unit if smoke Scroll Compressors it may be necessary to measure the is sensed in the return air stream. -
Page 40: Final System Setup
Start-Up Monitor the suction pressure for 15 • Close the main disconnect switch minutes. The suction pressure or circuit protector switch that should remain within 5 psi of normal provides the supply power to the cooling operation. If the unit has a 2 unit’s terminal block or the unit speed Outdoor fan and if the Outdoor mounted disconnect switch. -
Page 41: Fan Belt Adjustment - Belt Drive Units
Maintenance Fan Belt Adjustment - even with a straightedge placed Monthly Maintenance across the fan and motor Belt Drive Units Before completing the following sheaves. Refer to Figure 9. checks, turn the unit OFF and lock the Remove the belt tension gauge. WARNING main power disconnect switch open. - Page 42 Maintenance detector, complete adherence to the • Generally inspect the unit for and condenser coils using the maintenance procedures, including unusual conditions (e.g., loose instructions outlined below. Be sure recommended intervals between access panels, leaking piping to follow these instructions as closely filter changes, and coil cleaning is connections, etc.) as possible to avoid damaging the...
- Page 43 Maintenance WARNING Note: Secure hail guard latches. Note: Clean the reheat coil on the same interval and method as Hazardous Pressures! the evaporator coil. Coils contain refrigerant under Figure 41. pressure. When cleaning coils, Replace the reheat coil to its proper maintain coil cleaning solution location once cleaning is complete.
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Page 44: Annual Maintenance
Maintenance Annual Maintenance Complete Model Number Schematics • Clean and repaint any corroded surface. Unit Serial Number Connections Final Process Wiring Diagram Numbers (from For future reference, you may find it unit control panel) helpful to record the unit data requested in the blanks provided. -
Page 45: Reliatel Control
Trouble Shooting ReliaTel Control If a System failure is indicated, BAYSENS010B, BAYSENS011B, proceed to Step 4. If no failures BAYSENS019A, BAYSENS020A, The RTRM has the ability to provide are indicated, proceed to Step 5. BAYSENS021A & BAYSENS023A all the service personnel with some unit have the remote panel indication If a System failure is indicated, diagnostics and system status... -
Page 46: Resetting Cooling And Ignition Lockouts
Trouble Shooting Heating Failure Method 2 Note: If the system is equipped with a programmable zone sensor, The second method for determining Verify Heat Failure by Ignition BAYSENS019B the LED system status is done by checking Module (IGN) LED indicator: indicators will not function voltage readings at the RTRM (J6). -
Page 47: Clogged Filter Switch
Trouble Shooting Clogged Filter Switch Test 2 - Cooling Set Point Method 2 (CSP) and Heating Set Point Testing the LED with an analog This LED will remain lit the entire (HSP) Ohmmeter. Connect Ohmmeter time that the Normally Open switch across LED in one direction, then is closed. -
Page 48: Unit Economizer Control (Eca) Troubleshooting
Trouble Shooting Reconnect wires to terminals J6- supplied wires that were WARNING 11 and J6-12. Measure voltage connected to terminals 1 and 2 Live Electrical Components! again between J6-11 and J6-12, on J6. During installation, testing, servicing voltage should flash high and and troubleshooting of this product, low every 0.5 seconds. -
Page 49: Resetting Cooling And Ignition Lockouts
Trouble Shooting Heating Failure Unit Economizer Control Testing the Outdoor Air Switch. If the temperature is above 60 (ECA) Test Procedures Verify Heat Failure by Ignition degrees, it will need to be chilled. Module (IGN) LED indicator: Measure the resistance of the Electro Mechanical Control sensor on the ECA SO and +. -
Page 50: Combination Gas Electric Air Conditioner
Use and Care manual. This limited warranty is extended by Parts will be provided by our factory American Standard Inc., to the This limited warranty applies to organization through an authorized original purchaser and to any... -
Page 51: Combination Gas Electric Air Conditioner
FOR PARTICULAR USE, AND IN NO EVENT SHALL WARRANTOR BE This warranty is extended by LIABLE FOR ANY INCIDENTAL OR American Standard Inc., to the CONSEQUENTIAL DAMAGES. original purchaser and to any succeeding owner of the real Some states do not allow limitations... - Page 52 Literature Order Number RT-SVX21F-EN Date 04/08 Supersedes RT-SVX21E-EN (05/07) The manufacturer has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice.
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