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(Internal View of Model CMP Shown)
WARNING
1. Improper installation, adjustment, alteration,
service or maintenance can cause property
damage, injury or death, and could cause
exposure to substances which have been
determined by various state agencies
to cause cancer, birth defects or other
reproductive harm. Read the installation,
operating and maintenance instructions
thoroughly before installing or servicing this
equipment.
PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB.
INSTALLATION AND SERVICE MANUAL
Single Package Vertical Unit, Models CMD, CMP
Cooling Split System Unit, Model CMS
Ground & Water Source HP Units, Models SMG, SMW
THIS MANUAL IS THE PROPERTY OF THE OWNER.
ClassMate
(R-454B Refrigerant Units)
®
SchoolMate
(R-454B Refrigerant Units)
®
2. This unit contains R-454B high pressure
refrigerant. Hazards exist that could result
in personal injury or death. Installation,
maintenance, and service must only be
performed by an HVAC technician qualified
in R-454B refrigerant and using proper tools
and equipment. Due to the high pressure
of R-454B refrigerant, DO NOT USE service
equipment or tools designed for refrigerants
other than R-454B.
AVERTISSEMENT
1. Une installation, un réglage, une altération,
une réparation ou une maintenance
impropre risque de causer des dommages,
des blessures ou la mort, et d'engendrer
une exposition à des substances dont
certains États ont déterminé qu'elles
étaient cancérogènes ou pouvaient causer
des malformations à la naissance et des
problèmes de reproduction. Lisez bien les
instructions d'installation, d'utilisation et de
maintenance avant d'installer ou de réparer
cet appareil.
2. Cette unité contient du réfrigérant haute
pression R-454B. Il existe des dangers
qui pourraient entraîner des blessures
corporelles, voire la mort. L'installation,
la maintenance et l'entretien doivent être
effectués uniquement par un technicien CVC
qualifié en réfrigérant R-454B et utilisant les
outils et équipements appropriés. En raison
de la pression élevée du réfrigérant R-454B,
N'UTILISEZ PAS d'équipement ou d'outils de
service conçus pour des réfrigérants autres
que le R-454B.
AIR 2-504.0
December 2024
WARNING
5H2003420000
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Related Manuals for Modine Manufacturing Airedale ClassMate CMD
Summary of Contents for Modine Manufacturing Airedale ClassMate CMD
- Page 1 AIR 2-504.0 5H2003420000 December 2024 INSTALLATION AND SERVICE MANUAL ClassMate (R-454B Refrigerant Units) ® Single Package Vertical Unit, Models CMD, CMP Cooling Split System Unit, Model CMS SchoolMate (R-454B Refrigerant Units) ® Ground & Water Source HP Units, Models SMG, SMW WARNING 2.
- Page 2 TABLE OF CONTENTS IMPORT ANT Inspection On Arrival ............2 Special Precautions .............3 1. The use of this manual is specifically Hazard Intensity Levels ...........3 intended for a qualified installation and Unit Location / Installation ............6 service agency. A qualified installation and Handling ................6 service agency must perform all installation...
- Page 3 SPECIAL PRECAUTIONS SPECIAL PRECAUTIONS WARNING THE INSTALLATION AND MAINTENANCE INSTRUCTIONS IN THIS MANUAL MUST BE FOLLOWED TO PROVIDE 1. Disconnect power supply before making wiring connections SAFE, EFFICIENT, AND TROUBLE-FREE OPERATION. IN or working on this equipment. Follow all applicable safety ADDITION, PARTICULAR CARE MUST BE EXERCISED procedures to prevent accidental power up.
- Page 4 SPECIAL PRECAUTIONS AVERTISSEMENT ATTENTION 3. Tout câblage usine d'origine exigeant un remplacement 1. Vérifiez que la tension d'alimentation de l'appareil n'est pas doit être remplacé par un câble d'indice thermique nominal inférieure de plus de 5 % à la tension nominale inscrite sur de 221 °F (105 °C).
- Page 5 SPECIAL PRECAUTIONS IMPORT ANT 1. Les procédures de démarrage et de réglage, l'installation et le service de ces appareils doivent être confiés à un centre d'installation et de service qualifié. 2. L'absence d'écoulement d'eau risque de causer une condition de gel et d'endommager le serpentin. 3.
- Page 6 UNIT LOCATION / INSTALLATION UNIT LOCATION DANGER IMPORTANT 1. Start up and adjustment procedures, installation, and Appliances must not be installed where they may be exposed service of these appliances must be performed by a to potentially explosive or flammable atmosphere. qualified installation and service agency.
- Page 7 UNIT LOCATION / INSTALLATION Preparation Drainage Select the unit location. Ensure the wall structure is Each unit has an internal condensate drain, terminating adequate for the required mounting provisions as outlined internally to the unit. A 1.5" (38.1mm) with a 1.125" (28.6mm) in the "INSTALLATION"...
- Page 8 UNIT LOCATION / INSTALLATION Table 8.1 - Refrigerant Charge and Minimum Room Size IP Units SI Units Minimum Minimum Room Size Room Size Model Hot Gas Reheat Model Size Refrigerant Refrigerant (Sq. feet.) (Sq. meters.) (Digits 1-3) (Digit 15) Digits 4-5 Charge (lbs) Charge (kg) 8.00...
- Page 9 INSTALLATION Optional Unit Rough-In Accessories Note: Minimum clearance to combustible is 0" (0mm). Remarque: Le dégagement minimal des combustibles est de Wall Sleeve and Louver (Optional) 0" (0mm). A wall sleeve is designed to provide a sealed plenum from the fresh Check the floor for levelness and check to ensure the air intake and relief air outlet on the back of the classroom unit to wall is at a right angle to the floor.
- Page 10 INSTALLATION Optional Unit Discharge Accessories Rear Extension, Plenum, and Filler Panel Plenum (Optional) or Duct Shroud (Optional) Assembly Installation A field installed plenum is designed to discharge air directly See Figure 10.1 for an exploded view of how the cabinet, rear into the space without ductwork to distribute air.
- Page 11 INSTALLATION Piping Installation - Hot Water Coils Figure 11.1 - Typical 2-Way Piping Schematic j CAUTION 1. Units not approved for use in potable water systems. 2. Hot water supplied to the hot water heating option must not exceed 200°F (93°C) temperature or 125 PSIG (862 kPa) pressure.
- Page 12 INSTALLATION Piping Installation - Direct Expansion (DX) • Field-made refrigerant joints indoors shall be tightness tested. The test method shall have a sensitivity of 5 Split Systems (model CMS only) grams per year of refrigerant or better under a pressure WARNING of at least 0.25 times the maximum allowable pressure.
- Page 13 INSTALLATION Terminal Strip Connections ATTENTION The terminal strip connections are designed to clamp down on the wires. To properly connect the wires to the terminal strip: 1. Vérifiez que la tension d'alimentation de l'appareil n'est pas 1. Push a small flat-head screwdriver into the square hole on the inférieure de plus de 5 % à...
- Page 14 START-UP PROCEDURE START-UP PROCEDURE Refrigerant Detection System This unit is provided with a factory installed and wired IMPORTANT Refrigerant Detection System (RDS). The system requires no additional field connections to function. The system includes refrigerant leak sensors that are installed in UL-certified location 1.
- Page 15 START-UP PROCEDURE Supplemental Heat (on models CMP, SMG, SMW only): If Turn the disconnect switch to the “ON” position. the temperature falls below the second stage heat setpoint, For model CMD or CMP units, after the 4 hour compressor supplementary heat (if installed: electric heaters, hot water or crankcase heater operation time, reconnect the CP1 steam coil) will be energized.
- Page 16 START-UP PROCEDURE Figure 16.1 - Ventilation Configuration Digits: B, G, M OUTSIDE AIR DAMPER ECONOMIZER DAMPER Figure 16.2 - Ventilation Configuration Digits: E, K, P ENERGY OUTSIDE AIR RECOVERY DAMPER WHEEL RETURN AIR DAMPER ECONOMIZER DAMPER AIR 2-504.0...
- Page 17 START-UP SHEET - EXAMPLE Figure 17.1 - Start-Up Sheet - EXAMPLE Page 1 Airedale ClassMate and SchoolMate Start-Up Sheet Models CMD, CMP, CMS, SMG, SMW THIS DOCUMENT SHOULD BE RETURNED TO MODINE WITHIN 30 DAYS OF STARTUP TO VALIDATE WARRANT Unit tag model # Room...
- Page 18 START-UP SHEET - EXAMPLE Figure 18.1 - Start-Up Sheet - Example Page 2 Airedale ClassMate and SchoolMate Start-Up Sheet Models CMD, CMP, CMS, SMG, SMW THIS DOCUMENT SHOULD BE RETURNED TO MODINE WITHIN 30 DAYS OF STARTUP TO VALIDATE WARRANT Controller Informa�on Make Model...
- Page 19 START-UP SHEET - EXAMPLE Figure 19.1 - Start-Up Sheet - Example Page 3 Airedale ClassMate and SchoolMate Start-Up Sheet Models CMD, CMP, CMS, SMG, SMW THIS DOCUMENT SHOULD BE RETURNED TO MODINE WITHIN 30 DAYS OF STARTUP TO VALIDATE WARRANT CO²...
- Page 20 DIMENSIONS - MODELS CMD/CMP Figure 20.1 - Dimensions - Base Unit CMD & CMP SUPPLY AIR OUTLET 9.34 237.2 DO NOT DRILL INSIDE THIS AREA 1.50 CONDENSATE MOUNTING HOLES FOR PLENUMS OR SHROUDS 16.35 .875 CONDENSATE 415.3 PUMP HOLE DO NOT DRILL INSIDE THIS AREA MAIN SUPPLY POWER ENTRANCE 3.79...
- Page 21 DIMENSIONS - MODEL CMS Figure 21.1 - Dimensions - Base Unit CMS DX LIQUID AND SUCTION CONNECTIONS (TOP) 9.34 SUPPLY AIR OUTLET 237.2 1.50 CONDENSATE DO NOT DRILL INSIDE THIS AREA MOUNTING HOLES FOR PLENUMS OR SHROUDS 16.35 .875 CONDENSATE 415.3 PUMP HOLE 11.39...
- Page 22 DIMENSIONS - MODELS SMG/SMW Figure 22.1 - Dimensions - Base Unit SMW & SMG 2.08 52.7 9.34 3.95 237.2 SUPPLY AIR OUTLET DO NOT DRILL INSIDE THIS AREA 100.4 1.50 38.1 4.08 CONDENSATE RISER 103.5 MOUNTING HOLES FOR 6.98 3.79 16.35 PLENUMS OR SHROUDS 177.3...
- Page 23 PERFORMANCE DATA Table 23.1 - Performance Data - Air Cooled DX (CMD) and Air Source Heat Pump Units (CMP) j Cooling Heating Sensible Latent Airflow Total Capacity Capacity Capacity Capacity Unit Model Size (CFM) /min) (MBH) (kW) (MBH) (kW) (MBH) (kW) IEER (MBH)
- Page 24 TECHNICAL DATA Table 24.1 - Technical Data - All Models (IP Units) UNIT SIZE INDOOR (Evaporator) COIL - Face Area OUTDOOR (Condenser) COIL - Face Area (Model CMD, CMP only) 1360 1360 SUPPLY FAN Direct Drive Centrifugal Fan Quantity Motor Size (Qty 1) Motor Type Electronically Commutated Motor (ECM) Indoor Coil Airflow...
- Page 25 TECHNICAL DATA Table 25.1 - Technical Data - All Models (SI Units) UNIT SIZE INDOOR (Evaporator) COIL - Face Area 0.515 0.515 0.619 0.619 OUTDOOR (Condenser) COIL - Face Area (Model CMD, CMP only) 0.614 0.614 0.877 0.877 SUPPLY FAN Direct Drive Centrifugal Fan Quantity Motor Size...
- Page 26 COMPONENT LAYOUT - MODELS CMD/CMP Figure 26.1 - Component Layout - Models CMD/CMP HOT WATER COIL (OPTIONAL - TOP) INDOOR COIL (BOTTOM) SUPPLY AIR BLOWER DISCONNECT SWITCH A2L SENSOR CONTROL PANEL GROUND LUG 2" FILTERS ENERGY RECOVERY (MERV 8 STANDARD) WHEEL (LOCATED BELOW (OPTIONAL)
- Page 27 COMPONENT LAYOUT - MODEL CMS Figure 27.1 - Component Layout - Model CMS HOT WATER COIL (OPTIONAL - TOP) SUPPLY AIR BLOWER INDOOR COIL (BOTTOM) GROUND LUG A2L SENSOR 2" FILTERS CONTROL PANEL (MERV 8 STANDARD) (LOCATED BELOW CONTROL PANEL) ENERGY RECOVERY THERMAL EXPANSION WHEEL (OPTIONAL)
- Page 28 COMPONENT LAYOUT - MODELS SMG/SMW Figure 28.1 - Component Layout - MODELS SMG/SMW COAXIAL COIL TOP CONNECTIONS HOT GAS REHEAT COIL (OPTIONAL - TOP) SUPPLY AIR BLOWER INDOOR COIL (BOTTOM) DISCONNECT SWITCH GROUND LUG A2L SENSOR CONTROL PANEL 2" FILTERS (MERV 8 STANDARD) ENERGY RECOVERY (LOCATED BELOW...
- Page 29 COMPONENT LAYOUT - MODELS SMG/SMW This Page Intentionally Left Blank AIR 2-504.0...
- Page 30 MAINTENANCE IMPORTANT WARNING 1. Start up and adjustment procedures, installation, and 1. Disconnect power supply before making wiring connections service of these appliances must be performed by a or working on this equipment. Follow all applicable safety qualified installation and service agency. procedures to prevent accidental power up.
- Page 31 MAINTENANCE Maintenance Schedule away from the site of installation, repairing, removing and disposal, during which refrigerant can possibly be released Note: See the installation and maintenance manual provided to the surrounding space. Prior to work taking place, the with the condensing unit for manufacturer recommended area around the equipment is to be surveyed to make sure maintenance information.
- Page 32 Disconnect the ERV plug and socket and slide the entire assembly out of the unit. It is recommended that two Modine Manufacturing Company people are used for this operation. 604 Liberty Ln...
- Page 33 MAINTENANCE Charging Procedure Refrigerant Recovery When removing refrigerants from a system, either for WARNING servicing or decommissioning, all refrigerants are to be removed safely following local and national regulations. The following are additional items that must be followed: 1. This unit contains R-454B high pressure refrigerant. When transferring refrigerant into cylinders, ensure Hazards exist that could result in personal injury or death.
- Page 34 TROUBLESHOOTING Table 34.1 - Troubleshooting - General Trouble Possible Cause Possible Remedy A. Unit Not 1. Unit mounted disconnect in the “OFF” position. 1. Turn the disconnect switch to the “ON” position. Operating - Power 2. Unit switched OFF in the microprocessor. 2.
- Page 35 TROUBLESHOOTING (CONT) G. Low Discharge 1. Low refrigeration charge. 1. Measure unit operating pressures. Add charge and check for leaks. Pressure 2. Faulty compressor. 2. Replace compressor. 3. Faulty reversing valve. 3. Evacuate system and replace reversing valve. 4. Outdoor air sensor out of calibration. 4.
- Page 36 When the cylinders have been filled correctly and the WARNING process completed, make sure that the cylinders and the equipment are removed from site promptly and all isolation valves on the equipment are closed off. Disconnect power supply before making wiring connections or working on this equipment.
- Page 37 MODEL IDENTIFICATION Table 37.1 - Model Number Designations 15,16 1-3 - Model Series (MS) 9 - Ventilation Configuration (VC) 15,16 - Heating Option (HO) ClassMate (Air Cooled) No Relief j 00 - None CMD - DX Cooling A - Economizer Electric CMP - Heat Pump B - Economizer with OA Damper...
- Page 38 This Page Intentionally Left Blank AIR 2-504.0...
- Page 39 This Page Intentionally Left Blank AIR 2-504.0...
- Page 40 As Modine Manufacturing Company has a continuous product improvement program, it reserves the right to change design and specifications without notice. Modine Manufacturing Company 1500 DeKoven Avenue Racine, WI 53403 Phone: 1.866.823.1631 www.airedale.com © Modine Manufacturing Company 2024 AIR 2-504.0...
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