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INSTALLATION
MANUAL - 50Hz
CONTENTS
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . .4
INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
REFERENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
RENEWAL PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
PRODUCT NOMENCLATURE . . . . . . . . . . . . . . . . . . . .6
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
START-UP (COOLING) . . . . . . . . . . . . . . . . . . . . . . . . .40
START-UP (GAS HEAT) . . . . . . . . . . . . . . . . . . . . . . . .41
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . .43
See the following page for a complete Table of Contents.
NOTES, CAUTIONS AND WARNINGS
The installer should pay particular attention to the words:
NOTE, CAUTION, and WARNING. Notes are intended to
clarify or make the installation easier. Cautions are given
to prevent equipment damage. Warnings are given to
alert installer that personal injury and/or equipment dam-
age may result if installation procedure is not handled
properly.
CAUTION:
READ ALL SAFETY GUIDES BEFORE YOU
BEGIN TO INSTALL YOUR UNIT.
SAVE THIS MANUAL
SUNLINE™ 2000
GAS/ELECTRIC SINGLE PACKAGE
AIR CONDITIONERS
MODELS: DM180, 240 & 300
(Export)
035-18940-000-B-1003
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Related Manuals for Unitary products group SUNLINE 2000
Summary of Contents for Unitary products group SUNLINE 2000
- Page 1 INSTALLATION SUNLINE™ 2000 GAS/ELECTRIC SINGLE PACKAGE MANUAL - 50Hz AIR CONDITIONERS MODELS: DM180, 240 & 300 CONTENTS GENERAL ........4 (Export) SAFETY CONSIDERATIONS .
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Page 2: Table Of Contents
UNIT FLASH CODES ......50 ECONOMIZER WITH DUAL ENTHALPY SENSORS - . . 35 Unitary Products Group... - Page 3 2 CONTROL WIRE SIZES ......14 3 ELECTRIC HEAT APPLICATION DATA ....14 Unitary Products Group...
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Page 4: General
Wear safety glasses and work gloves, and follow all safety codes. Use a quenching cloth and have a fire • 530.18-44320-10 - Barometric Relief extinguisher available for all brazing operations. Damper Accessory Unitary Products Group... -
Page 5: Renewal Parts
• For installation on combustible material. dure is not handled properly. • For use with natural gas or propane gas. Unitary Products Group... -
Page 6: Product Nomenclature
035-18940-000-B-1003 PRODUCT NOMENCLATURE Unitary Products Group... -
Page 7: Product Nomenclature - Continued
TX = Technicoat Evaporator & Condenser Coils, Phase Monitor, & Dirty Filter Switch TY = Technicoat Evaporator & Condenser Coils, Coil Guard, & Dirty Filter Switch TZ = Technicoat Evaporator & Condenser Coils, Phase Monitor, Coil Guard, & Dirty Filter Switch Unitary Products Group... -
Page 8: Installation
LEAKS TO CHECK ALL CONNECTIONS. A FIRE OR EXPLOSION MAY RESULT CAUS- This equipment is not to be used for temporary heating PROPERTY DAMAGE, PERSONAL of buildings or structures under construction. INJURY OR LOSS OF LIFE. International: • Local Government/Agency Regulations Unitary Products Group... -
Page 9: Location
YORK roof curb, gasketing must be applied to all surfaces that come in contact with the unit 6. Maintain level tolerance to 1/2 inch maximum underside. across the entire length or width of the unit. Unitary Products Group... -
Page 10: Rigging And Handling
Sections 7.2, 7.3 or 7.4 of Gas Installation Codes CSA-B149.1 (in Canada) and/or applicable provisions of the local building codes. Refer to Dimensions and Clearances Figure 13 for the clearances required for combustible construction, servicing, and proper unit operation. FIGURE 1 TYPICAL RIGGING Unitary Products Group... -
Page 11: Ductwork
The cov- The cover should be attached in a manner ering over the mounting holes only need be adequate to prevent leakage. removed. Do not remove the opening cover. Unitary Products Group... -
Page 12: Condensate Drain
Refer to the Dimensions and Clearances Figure 13 for location of these access panels. Make sure that all screws and panel latches are replaced and properly positioned on the unit to maintain an airtight seal. FIGURE 4 - RECOMMENDED DRAIN PIPING Unitary Products Group... -
Page 13: Field Wiring - Dm Electric/Electric And
Jumper is required for any combination of R, RC, or RH. OCC is an output from the thermostat to indicate the Occupied condition. X is an input to the thermostat to display Error Status conditions. FIGURE 5 - FIELD WIRING - DM ELECTRIC/ELECTRIC AND GAS/ ELECTRIC UNITS Unitary Products Group... -
Page 14: Thermostat
TABLE 3: ELECTRIC HEAT APPLICATION DATA NOMINAL VOLTAGE MINIMUM CFM UNIT SIZE HEATER SIZE 3-PHASE, 15 TON 20 TON 25 TON (KW) 50 HZ 380/415 4500 6000 7500 380/415 4500 6000 7500 380/415 5000 6000 7500 380/415 5000 6000 7500 Unitary Products Group... -
Page 15: Optional Gas Heat
3. Use wrought iron or steel pipe for all gas lines. Pipe Maximum capacity of pipe in cubic feet of gas per hour. (Based upon compound should be applied sparingly to male a pressure drop of 0.3 inch water column and 0.6 specific gravity gas). threads only. Unitary Products Group... -
Page 16: L.p. Units, Tanks And Piping
All L.P./propane gas equipment must conform to the The furnace must be isolated from the gas supply safety standards of the National Fire Protection Associ- piping system by closing its individual manual shut- ation. off valve during any pressure testing of the gas Unitary Products Group... -
Page 17: Vent And Combustion Air Hoods
Two vent hoods and a combustion air hood (with the "Factory installed" economizer option. screens) are shipped attached to the blower housing in Unitary Products Group... -
Page 18: Optional Power Exhaust/Barometric Relief Damper And Rain Hood
The enthalpy set point may now be set by selecting the • Optional CO Unit Sensor Kit Part # desired setpoint shown in the Enthalpy Setpoint Adjust- 2AQ04700424 ment Figure 9. Adjust as follows: Replace the economizer access panel. Unitary Products Group... -
Page 19: Enthalpy Setpoint Adjustment
035-18940-000-B-1003 FIGURE 9 - ENTHALPY SETPOINT ADJUSTMENT Unitary Products Group... -
Page 20: Four And Six Point Loads
Indoor Air Quality Indoor Air Quality Min. Adjustment Screw Free Cool Free Cooling LED Economizer Enthalpy Set Point Adjustment Screw FIGURE 10 - HONEYWELL ECONOMIZER CONTROL W7212 FRONT FRONT FIGURE 11 - FOUR AND SIX POINT LOADS Unitary Products Group... -
Page 21: Center Of Gravity
2300 300 Elec 2890 Total 6 Point Loads (lbs) Unit Size Shipping Weight 180 Gas 2300 240 Gas 2500 300 Gas 3130 180 Elec 2100 240 Elec 2300 300 Elec 2890 FIGURE 12 - CENTER OF GRAVITY Unitary Products Group... -
Page 22: Physical Data
OPERATING 36 KW WEIGHTS ELECTRIC HEATER 54 KW (LBS.) 72 KW ROOF CURB BAROMETRIC DAMPER ECONOMIZER / MOTORIZED DAMPER RAIN HOOD ECONOMIZER / POWER EXHAUST RAIN HOOD WOOD SKID * NOTE: This compressor will be energized first. Unitary Products Group... -
Page 23: Dm Electrical Data -Without Powered Convenience Outlet
89.2 None 76.0 11.3 17.1 76.0 12.0 22.6 34.3 76.0 33.8 51.4 87.9 45.1 68.6 109.4 None 76.0 13.5 18.7 76.0 12.0 26.9 37.4 76.0 40.4 56.2 94.0 53.8 74.9 98.6 Note 1: HACR Type per NEC. Unitary Products Group... -
Page 24: Dm Electrical Data -With Powered Convenience Outlet
97.1 None 82.3 11.3 17.1 82.3 12.0 22.6 34.3 82.3 33.8 51.4 95.8 45.1 68.6 117.3 None 82.3 13.5 18.7 82.3 12.0 26.9 37.4 82.3 40.4 56.2 101.9 53.8 74.9 106.5 Note 1: HACR Type per NEC. Unitary Products Group... -
Page 25: Front View
39-5/8" (20, 25 Tons) Four (4) feet from electric meters, gas meters, regulators and relief equip- ment. DETAIL “X” (ACCESSORY SIDE SUPPLY AND RETURN AIR OPENINGS) FIGURE 13 - DIMENSIONS & CLEARANCES 15, 20 & 25 TON Unitary Products Group... -
Page 26: Supply Air Blower Performance
ESP = External Static Pressure available for the supply and return air duct system. All internal unit resistances have been deducted from the total static pressure of the blower. * Do NOT close the pulley below 1 turn open. ** Factory setting. Unitary Products Group... -
Page 27: Supply Air Blower Performance (20 Ton) - Cooling Only 240 Mbh - Bottom Duct
ESP = External Static Pressure available for the supply and return air duct system. All internal unit resistances have been deducted from the total static pressure of the blower. * Do NOT close the pulley below 1 turn open. ** Factory setting. Unitary Products Group... - Page 28 ESP = External Static Pressure available for the supply and return air duct system. All internal unit resistances have been deducted from the total static pressure of the blower. * Do NOT close the pulley below 1 turn open. ** Factory setting. Unitary Products Group...
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Page 29: Supply Air Blower Performance (20 Ton) - Gas Heat 240 Mbh - Bottom Duct
ESP = External Static Pressure available for the supply and return air duct system. All internal unit resistances have been deducted from the total static pressure of the blower. * Do NOT close the pulley below 1 turn open. ** Factory setting. Unitary Products Group... -
Page 30: Supply Air Blower Performance (25 Ton) - Cooling Applications 300 Mbh - Bottom Duct
ESP = External Static Pressure available for the supply and return air duct system. All internal unit resistances have been deducted from the total static pressure of the blower. * Do NOT close the pulley below 1 turn open. ** Factory setting. Unitary Products Group... -
Page 31: Duct Connections
All motors have a nominal speed of 1450 RPM, a 1.15 service factor and a solid base. They can operate to the limit of their service factor because they are located in the moving air, upstream of any heating device. Do NOT close this pulley below 1 turn open. Requires bushing (included in kit). Unitary Products Group... -
Page 32: Phasing
Model 1LD0418 for 15 ton units and Model 1LD0419 3. The tension on the belt should be adjusted as for 20 ton units. Refer to the Blower Motor and Drive shown in the Belt Adjustment Figure 14. Data Table 17. Unitary Products Group... -
Page 33: Pressure Drop Across A Dry Indoor Coil Vs Supply Air Cfm For All Unit Tonnages
0.65 240 MBH 300 MBH 180 MBH 0.55 0.45 0.35 0.25 NOMINAL CFM (THOUSANDS) SUPPLY AIR FIGURE 15 - PRESSURE DROP ACROSS A DRY INDOOR COIL VS SUPPLY AIR CFM FOR ALL UNIT TONNAGES Unitary Products Group... -
Page 34: Operation
"R" to "Y1" and "G" compressor If the enthalpy of the outdoor air is below is completed. For first stage cooling, compressor #1, the setpoint of the enthalpy controller (i.e. first stage Unitary Products Group... -
Page 35: Economizer With Dual Enthalpy Sensors
All system errors override minimum stop the condenser fans. If the call for cooling is still run times for compressors. present at the conclusion of the ASCD, the UCB will re- energize the halted compressor. Unitary Products Group... -
Page 36: Low Ambient Cooling
The thermostat will cycle the electric heat to satisfy at 22 ± 5 psig). the heating requirements of the conditioned space. The above pressure switches are hard-soldered to the Two-stage heating (applies to all heaters except 18 unit. The refrigeration systems are independently mon- KW): Unitary Products Group... -
Page 37: Heating Operation Errors
GAS HEATING SEQUENCE OF OPERATIONS heater and energizing the blower. The following sequence describes the operation of the 2. Temperature Limit Switch (TLS 3, 4, 5 and 6). gas heat section. Unitary Products Group... -
Page 38: Gas Heating Operation Errors
85 seconds to ignite the pilot tube. If tus, i.e. the limit is monitored at all times. the pilot flame is not detected, then "IC2" will lock out first stage furnace operation for five minutes or until Unitary Products Group... -
Page 39: Gas Valve
Limit Control 3. Redundant Gas Valve. (Tons) Opens, ºF Input Output 15, 20 & 25 There are two separate gas valves in the furnace. 15, 20 & 25 Each valve contains a main and a redundant valve. Unitary Products Group... -
Page 40: Flash Codes
POST START CHECK LIST Anticipator Setpoint Gas Valve 1st Stage 2nd Stage 1. Verify proper system pressures for both circuits. Honeywell VR8440 0.30 amp 0.11 amp 2. Measure the temperature drop across the evapora- White-Rodgers 36C68 tor coil. Unitary Products Group... -
Page 41: Shut Down
TO SHUT DOWN: 1. Turn “off” electric power to unit. 2. Depress knob of gas valve while turning to “off” FIGURE 18 - TYPICAL GAS VALVE position. Unitary Products Group... -
Page 42: Manifold Gas Pressure Adjustment
To check or change burners, pilot or orifices, CLOSE MAIN MANUAL SHUT-OFF VALVE AND SHUT OFF If the actual input is not within 5% of the furnace rating ALL ELECTRIC POWER TO THE UNIT. (with allowance being made for the permissible range Unitary Products Group... -
Page 43: Adjustment Of Temperature Rise
Increase the blower cfm to decrease the temper- tact between R and G in the AUTO position during ature rise; decrease the blower cfm to increase the calls for cooling. rise. Refer to the Blower Motor and Drive Data Table 17. Unitary Products Group... - Page 44 UCB. If a switch has opened, there 1. If installed, check the position of the economizer should be a voltage potential between the UCB ter- blades. If the blades are open, the economizer is Unitary Products Group...
- Page 45 Mate-N-Lock plug, and from the Cancel any calls for cooling and wait for the inter- Mate-N-Lock plug to the Y1 “ECON” terminal. If nal overload to reset. Test again when cool. nothing is found, the economizer DME may have Unitary Products Group...
- Page 46 UCB may have the compres- for loose wiring between C1 and the compressor sor in an ASCD. Check the LED for an indication of contactor. an ASCD cycle. The ASCD should time out within Unitary Products Group...
- Page 47 11. If 24 volts is present at the UCB Y1 terminal and the compressor is not out due to a protective 15. If none of the above correct the error, replace the switch trip, repeat trip lock out, or ASCD, the econ- UCB. Unitary Products Group...
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Page 48: Gas Heat Trouble Shooting Guide
If the supply air blower motor energizes, go to “AUTO” position, check the room thermostat for Step 10. contact between R and G during “W1” calls. Unitary Products Group... - Page 49 If 24 volts is not found, of gas. Inspect the orifice for obstruction. If it is replace the ETD. clear, replace the main gas valve. Unitary Products Group...
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Page 50: Unit Flash Codes
In some cases, it may be necessary to "zero" the If voltage is present, replace gas valve. ASCD for the compressors in order to perform trouble- shooting. To reset all ASCDs for one cycle, press and release the UCB TEST button once. Unitary Products Group... -
Page 51: Unit Control Board Flash Codes
14 Flashes EEPROM Storage Failure (Control Failure) No Power or Control Failure These flash codes do not represent alarms. All forms referenced in this instruction may be ordered from: Standard Register Tel: (877) 318-9675 Fax: (877) 379-7920 Unitary Products Group... - Page 52 Subject to change without notice. Printed in U.S.A. 035-18940-000-B-1003 Copyright © by Unitary Products Group 2003. All rights reserved. Supersedes: 035-18940-000-A-0103 Unitary 5005 Norman Products York Group Drive 73069...
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