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INSTALLATION & SERVICE MANUAL
MODELS: AH2436E1, AH4260E1
PLEASE READ THESE INSTRUCTIONS PRIOR TO INSTALLATION AND BEFORE
PERFORMING ANY SERVICE OR MAINTENANCE. THESE INSTRUCTIONS MUST
BE LEFT WITH THE USER AND SHOULD BE RETAINED FOR FUTURE
REFERENCE BY QUALIFIED SERVICE PERSONNEL.
: Improper installation, adjustment, alteration, service, or maintenance can
cause injury or property damage. Refer to this manual. For assistance or additional
information consult a qualified installer, service agency, or manufacturer listed below.
MAC-183
ECN 4849-MA
13 & 14 SEER
AIR HANDLER
THERMO PRODUCTS, LLC.
BOX 217
NORTH JUDSON, IN 46366
PHONE: (574) 896-2133
MADE IN USA
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Summary of Contents for Thermo Pride AH2436E1
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Page 1: Air Handler
13 & 14 SEER AIR HANDLER INSTALLATION & SERVICE MANUAL MODELS: AH2436E1, AH4260E1 PLEASE READ THESE INSTRUCTIONS PRIOR TO INSTALLATION AND BEFORE PERFORMING ANY SERVICE OR MAINTENANCE. THESE INSTRUCTIONS MUST BE LEFT WITH THE USER AND SHOULD BE RETAINED FOR FUTURE REFERENCE BY QUALIFIED SERVICE PERSONNEL. -
Page 2: Table Of Contents
TABLE OF CONTENTS SECTION BEGINNING PAGE SAFETY SECTION KNOCKDOWN OF AIR HANDLER REASSEMBLY OF AIR HANDLER SETTING UP THE A-COIL FOR AIR CONDITIONING INSTALLATION OF HOT WATER COIL BLOWER AIR ADJUSTMENT DUCT SYSTEM DUCT SIZING CHART INDOOR EVAPORATOR COIL TUBING LINE SETS HOW TO MEASURE LIQUID SUB-COOLING MEASURING TEMPERATURE DROP ACROSS THE “A”... -
Page 3: Safety Section
All installations and services must be performed by qualified personnel. SAFETY SECTION This page contains various warnings and cautions found throughout this Service and Installation Manual. Please read and comply with the statements on the cover and the statements below. : Improper installation, adjustment, alteration, service, or maintenance can cause injury or property damage. -
Page 4: Knockdown Of Air Handler
All installations and services must be performed by qualified personnel. AIR HANDLER Each air handler is shipped with an evaporator preinstalled. The AH2435E1 is shipped with a 12U2430AG15 evaporator coil for 2 to 3 ton operation. The AH4260E1is shipped with a 12U3648AG17 evaporator coil for 3 to 5 ton operation. -
Page 5: Reassembly Of Air Handler
To reassemble the air handler, reverse steps above starting with number 10. SETTING UP THE A-COIL FOR AIR CONDITIONING The AH2436E1 & AH4260E1 come with the A-coil pre-installed for vertical and left to right horizontal airflow. IMPORTANT: When air handler is installed in attic above a finished ceiling, it is recommended that a safety overflow pan with its own separate drain be installed under the entire unit. -
Page 6: Installation Of Hot Water Coil
All installations and services must be performed by qualified personnel. Figure B 11. Make appropriate liquid and suction line connections to coil and braze connections. NOTE: A wet rag makes an excellent heat sink for tubing and grommets. : If drilling or screwing into panel of plate is necessary, make certain drill does not penetrate into any part of evaporator coil or hot water coil to avoid personal injury and/or property damage. - Page 7 All installations and services must be performed by qualified personnel. Figure C : If drilling or screwing into panel or plate is necessary, make certain drill does not penetrate into any part of evaporator coil or hot water coil. Personal injury and/or property damage may result.
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Page 8: Blower Air Adjustment
5. Locate SW2, just below SW1, for adjusting Blower delays. Figure E BLOWER COOLING SPEEDS Refer Table C1 for setting switches 4, 5 & 6 for the A/C sizing. Table C1 COOLING SWITCH SETTINGS AH2436E1 COOL AH4260E1 COOL Settings (SW1) Settings (SW1) TONS 2-1/2... - Page 9 All installations and services must be performed by qualified personnel. AH2436E1 Temperature & Heat Values at 140,160&180°F and 3,4,5&6 gallons per minute at selected speeds 7gpm:180° 6gpm 5gpm 4gpm 3gpm 7gpm:160° 6gpm 5gpm 4gpm 3gpm 7gpm:140° 6gpm 5gpm 4gpm 3gpm...
- Page 10 All installations and services must be performed by qualified personnel. AH4260E1 Temperature & Heat Values at 140,160&180°F and 7,8,9&10 gallons per minute at selected speeds 10gpm:180° 9gpm 8gpm 7gpm 10gpm:160° 9gpm 8gpm 7gpm 10gpm:140° 9gpm 8gpm 7gpm Heat Capacity (KBTU/H) HEAT Settings (SW1) SPEED 1007...
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Page 11: Duct System
All installations and services must be performed by qualified personnel. BLOWER TIME DELAY In cases where the yellow wires are used to start and stop the hydronic pump, SW2 may used to delay when the blower is cycled on or off to increase comfort and efficiency. Use Table D1 to set the switches appropriately Table D1: Delays before blower cycles “ON or “OFF”... -
Page 12: Duct Sizing Chart
All installations and services must be performed by qualified personnel. DUCT SIZES FOR HOMES Velocity Approximately 800 Feet Per Minute THE INDOOR EVAPORATOR COIL 1. EVAPORATOR COIL is a finned coil through which air in the home is circulated. Heat from the air is transferred to the liquid refrigerant inside the evaporator coil. - Page 13 All installations and services must be performed by qualified personnel. 2. LIQUID LINE is a single small tube connecting the outlet of the A/C condenser to the expansion valve inlet on the A/C evaporator coil. TUBING SIZE REFERENCE CHART Tube Diameter for Total Line Length 0-50’...
- Page 14 All installations and services must be performed by qualified personnel. TUBING INSTALLATION The compressor oil is constantly pumped through the refrigerant lines in normal operation of an air conditioning system. To ensure proper lubrication of the compressor by avoiding oil accumulation at undesirable points in the system, follow the guidelines listed below: 1.
- Page 15 All installations and services must be performed by qualified personnel. NOTE: Multiple suction line traps are recommended for longer or multiple suction lines. See Figure G1. An inverted trap should be installed on the horizontal suction line near the evaporator coil to prevent liquid flood back to the compressor (See Figure G2.) if the indoor evaporator coil is located 10’...
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Page 16: How To Measure Liquid Sub-Cooling
All installations and services must be performed by qualified personnel. HOW TO MEASURE LIQUID SUB-COOLING (NOTE: A good electronic thermometer and accurate liquid pressure gauge with a check valve in the Schraeder fitting are necessary). : Failure to use a liquid side hose fitting with a built in check valve may result in personal injury and significant refrigerant loss. -
Page 17: Measuring Temperature Drop Across The "A" Coil
A liquid sub-cooling of about 10 o F leaving the condenser is good over a wide range of operating conditions for a system with a TXV in the evaporator like the AH2436E1 & AH4260E1. MEASURING TEMPERATURE DROP ACROSS THE “A” COIL: The temperature drop across the coil should be around 18 o F to 23 o F difference between inlet and outlet air. -
Page 18: Ua Adapter Cabinet
All installations and services must be performed by qualified personnel. The following points must be checked by the installer and/or electrician before the air conditioning system is started: 1. Check every electrical connection of "PUSH-ON" or "SCREW-ON" terminals to ensure it is on tightly on its proper post. - Page 19 All installations and services must be performed by qualified personnel. The control board is equipped with 4 green Input Status LEDs and 1 red Board Status LED. These are intended to provide a quick view into furnace performance without requiring a voltmeter. The green Input Status LEDs are driven by the “Y”, “W”, “G”, and “DEHUM”...
- Page 20 All installations and services must be performed by qualified personnel. complete • Perform motor/control replacement check • • Blower won’t shut off Current leakage from controls into G,Y or W? Check for Triac switched t’stat or solid state relay • Excessive noise Determine if it’s air noise, cabinet, duct or motor noise –...
- Page 21 All installations and services must be performed by qualified personnel. • Low static pressure for lowest noise • Set low continuous-fan CFM • T’stat in bad location? Figure K: ECM PIN CONNECTORS Troubleshooting table above and Figure K adapted from GE Industrial Systems publication GED-7161C, “Troubleshooting GE ECM –...
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Page 22: Troubleshooting Charts
All installations and services must be performed by qualified personnel. TROUBLESHOOTING CHARTS THIS GUIDE SHOULD BE USED IN THE CASE OF A STOPPED OR MANFUNCTIONED ECM BLOWER MOTOR. THE FOLLOWING SHOULD HELP ESTABLISH THE TYPE OF MALFUNCTION OR DEVIATION FROM THE NORMAL BLOWER OPERATION. TO USE THIS DIAGRAM, YOU JUST NEED TO FOLLOW THE INSTRUCTIONS IN THE BOXES. -
Page 23: Sequence Of Operation
All installations and services must be performed by qualified personnel. Sequence of Operation BLOWER Off- Delay Active? HEAT On-Delay LIMIT Mode On? Ended? Active? Active 1.BURNER Off BURNER On 2. HEAT mode Off 3. BLOWER Off-Delay Started 4. Status LED Off COOL On-Delay DEHUM... - Page 24 All installations and services must be performed by qualified personnel. Sequence of Operation Glossary Inputs: LIMIT - 120vac power from the High Limit Switch used to power the burner. W- Switched 24vac indicating a Heat call from the thermostat. Y - Switched 24vac indicating a Cool call from the thermostat. G - Switched 24vac indicating a call for blower operation from the thermostat.
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Page 25: Replacement Parts List
All installations and services must be performed by qualified personnel. All installations and services must be performed by qualified personnel. REPLACEMENT PARTS...
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