Daikin Maverick I Installation And Maintenance Manual
Commercial packaged rooftop systems
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Summary of Contents for Daikin Maverick I
- Page 1 Installation and Maintenance IM 972-2 Group: Applied Air Handling Part Number: IM 972 Date: November 2018 Maverick ® Commercial Packaged Rooftop Systems Heating & Cooling Models MPS015B - MPS025B 15 to 25 Tons R-410A Refrigerant...
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Page 2: Table Of Contents
MCA and MCOP ......23 Auxiliary Heater Kit Performance....24 IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... -
Page 3: Introduction
Units are not design certified to be installed inside the structure. Doing so can cause inadequate unit performance as well as property damage and carbon monoxide poisoning resulting in personal injury or death. www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... -
Page 4: Mechanical Installation
Recommended supplier of this filter is AAF International: National Fire Protection Association, Inc. • Part #: 54-42541-01 (18" × 18" × 2") Batterymarch Park Quincy, MA 02269 • Part #: 54-42541-03 (18" × 24" × 2") IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... -
Page 5: Location Considerations
Inform the user accordingly. Clearances Figure 1: Outside Slab Construction The minimum clearances shown in Figure 3 on page 6 must be observed for proper unit performance and serviceability. www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... -
Page 6: Downflow To Horizontal
HORIZONTAL ECONOMIZER A – FRONT 80” B – CONDENSER COIL 18” + C – DUCT SIDE 18/42” *D – EVAPORATOR END 18/48” E – ABOVE 60” * WITHOUT ECONOMIZER/48” WITH ECONOMIZER VERTICAL CLEARANCE IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... -
Page 7: Rooftop Installation
3. For rigging and roof curb details, see Figure 5 Figure 4. The location of the unit on the roof should be such as to provide proper access for inspection and servicing. www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... - Page 8 Figure 6: Roof Curb UNIT ROOFCURB INSTALL GASKET NAILING STRIP RETURN DUCT 50-3/4” X 22” [1289 x 559 mm] MAX SUPPLY DUCT 42” X 23-3/4” [1089 X 603 mm] MAX CAULK ALL JOINTS WATERTIGHT IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com...
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Page 9: Ducting
Failure to prevent products of combustion from being circulated into the living space can create potentially hazardous conditions, including carbon monoxide poisoning that could result in personal injury or death. www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... -
Page 10: Dual Voltage Inducer 208 - 230 Volt Models
Table 1: Gas Pipe Capacity Table (Cu. Ft./Hr.) Figure 9: Recommended Field Wiring of Inducer Motor Nominal Equivalent Length of Pipe, Feet Iron Pipe Size 1/2" 3/4" 1" 1-1/4" 1,050 1-1/2" 1,600 1,100 IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... -
Page 11: Lp Conversion
For elevations up to 2,000 feet, rating plate input ratings apply. For high altitudes (elevations over 2,000 ft.), contact Daikin Parts. Check of input is important to prevent over-firing of the furnace beyond its design-rated input. - Page 12 Figure 11: Honeywell VR8305Q4120 Two Stage Gas Valve 2-STAGE OUTLET PRESSURE OPERATOR TAP-1/8 NPT GROUND TERMINAL INLET PRESSURE TAP-1/8 NPT LOW STAGE ADJUSTMENT HIGH STAGE ADJUSTMENT UNDER VENT CAP UNDER VENT CAP IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com...
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Page 13: Condensate Drain
1,811 Condensate Drain The condensate drain connection of the evaporator is threaded Figure 12: Condensate Drain 1" nominal iron pipe. IMPORTANT: Install a condensate trap to ensure proper condensate drainage (Figure 12). www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... -
Page 14: Electrical Installation
WIRE FROM ZONE THERMOSTAT WIRE SIZE FROM MIN. CIRCUIT AMPACITY STRAIGHT CONDUIT STRAIGHT CONDUIT FITTING FITTING SIZED PER CHART GAS LINE CONDUIT FROM ZONE THERMOSTAT CONDUIT FROM POWER SUPPLY SIZED PER CHART IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... -
Page 15: Hook-Up
If any of the original wire as supplied with the unit must be replaced, the wire gauge and insulation must be same as original wiring. www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... -
Page 16: Customer Supplied Thermostat
32° to +0°F (0° to +43°C) Operating Operating Ambient: Humidity 90% non-condensing max. Shipping Temperature Range: -4° to 50°F (-20° to 65°C) Dimensions (H × W × D): 4-1/8" × 6-7/8" × 1-3/8" IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... -
Page 17: Wiring Diagrams
Electrical Installation Wiring Diagrams Figure 17: Typical Customer Supplied Thermostat Wiring Diagram Figure 18: Optional Factory Supplied T-170 Thermostat Wiring Diagram www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... - Page 18 Electrical Installation Figure 19: Wiring Diagram: MPS 015B – 025B, 208-230/460 V (Gas Heat) IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com...
- Page 19 Electrical Installation Figure 20: Wiring Diagram: MPS 015B – 025B, 208-230/460 V (Cooling Only) www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS...
- Page 20 Electrical Installation Figure 21: Wiring Diagram: MPS 015B – 025B, 575V (Gas Heat) IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com...
- Page 21 Electrical Installation Figure 22: Wiring Diagram: MPS 015B – 025B, 575V (Cooling Only) www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS...
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Page 22: Physical Data
4. Ratings shown are for elevations up to 2000 feet. For elevations above 2000 feet, ratings should be reduced at the rate of 4% for each 1000 feet above sea level. Outdoor Sound Rating shown is tested in accordance with AHRI Standard 270. IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... -
Page 23: Compressor And Condenser Motor
100.0 100.0 45.0 50.0 35.0 35.0 101.0 109.0 52.0 56.0 40.0 42.0 MCOP 125.0 125.0 60.0 70.0 50.0 50.0 147.0 149.0 60.0 63.0 47.0 50.0 MCOP 175.0 175.0 70.0 80.0 60.0 60.0 www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... -
Page 24: Auxiliary Heater Kit Performance
149.8/172.8 218/247 225/250 NONE — — 149/149 175/175 CE20C 14.4/19.2 40.0/46.2 149/149 175/175 025 High Static Drive CE40C 28.8/38.3 79.9/92.2 149/151 175/175 CE60C 43.2/57.5 119.9/138.3 186/209 200/225 CE75C 54/71.9 149.8/172.8 223/252 225/300 IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... - Page 25 19.2 23.1 025 Low Static Drive CE40D 38.4 46.2 CE60D 57.6 69.3 CE75D 86.6 NONE — — CE20D 19.2 23.1 025 High Static Drive CE40D 38.4 46.2 CE60D 57.6 69.3 CE75D 86.6 www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS...
- Page 26 — CE20Y 19.2 18.5 025 Low Static Drive CE40Y 38.4 CE60Y 57.6 55.4 CE75Y 69.3 NONE — — CE20Y 19.2 18.5 025 High Static Drive CE40Y 38.4 CE60Y 57.6 55.4 CE75Y 69.3 IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com...
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Page 27: Dimensional Data
– DISCONNECT – OUTLET – POWER – LOW VOLTAGE OPTIONAL HORIZONTAL SUPPLY CONNECTION OPTIONAL HORIZONTAL RETURN CONNECTION OPTIONAL OUTDOOR HOOD LOCATION ACCESS DOOR CONTROL PANEL/FILTER ACCESS DOOR CONDENSATE DRAIN (1 [25.4 mm] FNPT) www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... - Page 28 – DISCONNECT – OUTLET – POWER – LOW VOLTAGE OPTIONAL HORIZONTAL SUPPLY CONNECTION OPTIONAL HORIZONTAL RETURN CONNECTION OPTIONAL OUTDOOR HOOD LOCATION ACCESS DOOR CONTROL PANEL/FILTER ACCESS DOOR CONDENSATE DRAIN (1 [25.4 mm] FNPT) IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com...
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Page 29: Horizontal Duct Dimensions
Dimensional Data Horizontal Duct Dimensions Figure 25: MPS 015B – 025B Horizontal Duct Dimensions RETURN DUCT SUPPLY DUCT Curb Dimensions Figure 26: MPS 015B – 025 Curb Dimensions www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... -
Page 30: Performance Data
0.98 0.99 0.99 0.99 1.00 1.00 1.00 1.01 1.01 1.01 1.02 1.02 NOTE: Multiply correction factor times gross performance data resulting sensible capacity cannot exceed total capacity. [ ] Designates Metric Conversions IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... - Page 31 1.00 1.00 1.00 1.00 1.01 1.01 1.01 1.01 1.01 1.02 1.02 1.02 NOTE: Multiply correction factor times gross performance data resulting sensible capacity cannot exceed total capacity. [ ] Designates Metric Conversions www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS...
- Page 32 0.99 0.99 1.00 1.00 1.00 1.01 1.01 1.01 1.02 1.02 1.02 NOTE : Multiply correction factor times gross performance data resulting sensible capacity cannot exceed total capacity. [ ] Designates Metric Conversions IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com...
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Page 33: Accessories
• CO input sensor available • Field assembled hood ships with economizer • Economizer ships complete for downflow duct application • Field installed power exhaust available Figure 30: Economizer: MPS 015B – 025B www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... -
Page 34: Horizontal Duct Installation
• CO input sensor available • Field assembled hood ships with economizer • Economizer ships complete for downflow duct application • Field installed power exhaust available Figure 31: Economizer: MPS 015B – 025B IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... -
Page 35: Fresh Air Dampers And Power Exhaust
• Adjustable switch on economizer, factory preset to energize • power exhaust at 95% outside air position • Polarized plug connects power exhaust relay to economizer Figure 32: Vertical Airflow Power Exhaust Economizer: MPS 015B – 025B www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... -
Page 36: Motorized Damper Kit
NOTE: Outdoor air hood must also be ordered with this kit Outdoor Air Hood MXRF-KFA1 (Manual) RXRS-ATO1 (Motorized Damper Kit for Manual Fresh Air Damper) Figure 34: Outdoor Air Hood: MPS 015B – 025B IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... -
Page 37: Roofcurbs
• Insulating panels not required because of insulated outdoor base pan • Sealing gasket (28" [711 mm]) provided with roofcurb • 18 gauge galvanized steel Figure 35: Typical Roofcurb Installation: MPS 015B – 020B UN IT www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... -
Page 38: Controls And Operation
17. Control de-energizes inducer blower(s). energized until closure. 18. Control de-energizes indoor blower. 19. Control in the stand by mode with solid red LED. Figure 36: Heat Exchanger Component Identification IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... - Page 39 W2, initiates spark for 2 seconds minimum, 7 second maximum ignition trial, and initiates 120 second stage warm up timing. 8. Control detects flame, de-energizes spark and starts a 45 second indoor blower delay on timing. www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS...
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Page 40: Operating Instructions
The initial start-up on a new installation may require the control system to be energized for some time until air has bled through the system and fuel gas is available at the burners. IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... -
Page 41: Cooling Section Operation
1. Upon a loss of Y1 and Y2 each compressor is deenergized. Control either de-energizes indoor blower relay after 80 second indoor blower delay off. 2. Control in the stand by mode with solid red LED. www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... -
Page 42: Maintenance
The manufacturer also recommends that a qualified installer, service agency or the gas supplier clean the flame sensor with steel wool at the beginning of the heating season. IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... -
Page 43: Lubrication
IMPORTANT: Do not use excessive water pressure. Excessive water pressure can bend the fins and tubing of the coil and lead to inadequate unit performance. Be careful not to splash water excessively into unit. www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... -
Page 44: System Charge Charts
IF (X) IS BELOW OUTDOOR AMBIENT LINE, ADD CHARGE AND REPEAT STEPS 1-3. IF (X) IS ABOVE OUTDOOR AMBIENT LINE, RECOVER EXCESS CHARGE AND REPEAT STEPS 1-3. 15 TON, CIRCUIT 1 15 TON, CIRCUIT 2 IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... - Page 45 IF (X) IS BELOW OUTDOOR AMBIENT LINE, ADD CHARGE AND REPEAT STEPS 1-3. IF (X) IS ABOVE OUTDOOR AMBIENT LINE, RECOVER EXCESS CHARGE AND REPEAT STEPS 1-3. SUCTION PRESSURE (PSIG) 20 TON, CIRCUIT 1 SUCTION PRESSURE (PSIG) 20 TON, CIRCUIT 2 www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS...
- Page 46 IF (X) IS ABOVE OUTDOOR AMBIENT LINE, RECOVER EXCESS CHARGE AND REPEAT STEPS 1-3. 150 155 SUCTION PRESSURE (PSIG) 25 TON, CIRCUIT 1 150 155 SUCTION PRESSURE (PSIG) 25 TON, CIRCUIT 2 IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com...
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Page 47: Troubleshooting
Fluctuating head & vapor Air or non-condensate in system Recover refrigerant, evacuate & recharge Gurgle or pulsing noise at expansion device or liquid line Air or non-condensable in system Recover refrigerant, evacuate & recharge www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS... - Page 48 • CHECK 24 VOLTS TO GAS VALVE IF WIRING IS OK • CHECK FOR GAS FLOW TO AND FROM VALVE • CHECK BURNER CARRYOVER REPLACE VALVE FLOW CHART CONTINUED ON NEXT PAGE IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com IM 862-1...
- Page 49 AND WIRING. IF OK, THEN REPLACE VALVE FLAME SHUTS OFF INDUCED DRAFT MOTOR STOPS AFTER 5 SECOND POSTPURGE INDOOR BLOWER MOTOR STOPS AFTER 90 SECONDS TROUBLESHOOTING ENDS REPEAT PROCEDURE UNTIL TROUBLE FREE OPERATION IS OBTAINED. www.DaikinApplied.com IM 972-2 • MAVERICK I ROOFTOP SYSTEMS IM 862-1...
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Page 50: Warranty
Warranty Warranty Replacement Parts To find your local Daikin Certified Parts Distributor, go to www. DaikinApplied.com and select Parts Locator. IM 972-2 • MAVERICK I ROOFTOP SYSTEMS www.DaikinApplied.com... - Page 52 Daikin Applied Training and Development Now that you have made an investment in modern, efficient Daikin equipment, its care should be a high priority. For training information on all Daikin HVAC products, please visit us at www.DaikinApplied.com and click on Training, or call 540-248-9646 and ask for the Training Department.