Advertisement
Quick Links
INSTALLATION INSTRUCTIONS
7AH1AC
IMPORTANT
Every working procedure that affects safety means shall
only be carried out by competent persons. This appliance
is not to be used by persons (including children) with
reduced physical, sensory or mental capabilities, or
lack of experience and knowledge, unless they have
been given supervision or instruction concerning use of
the appliance by a person responsible for their safety.
Children should be supervised to ensure they do not
play with the appliance.
IMPORTANT
If installing in an R454B application, R454B air handler
sensor kit (27J27), Refrigerant Detection System
Control (27A05) and R454B TXV (26Z70, 26Z71, or
26Z72) must be ordered.
If installing in an R454B application, use installation
instructions provided in R454B air handler sensor kit
(27J27).
For sensor maintenance recommendations, refer to the
instructions in kit 27J27.
508473-01
This manual must be left with the homeowner for future reference.
Table of Contents
Shipping and Packing List ...........................................2
General ........................................................................2
Wiring diagram ............................................................3
Air Flow – Cooling Blower Speed ................................4
Electrical Connections .................................................6
Control Panel Relocation .............................................7
Nameplate Marking .....................................................8
Requirements ..............................................................8
Unit Dimensions – Upflow – Inches (mm) ...................9
Checkout Procedures ................................................10
Operation ...................................................................10
Installation Clearances ..............................................11
Installation .................................................................11
Condensate Drain......................................................14
Duct System and Filters ............................................16
Brazing Refrigerant Lines ..........................................18
Sealing the Unit .........................................................18
Homeowner Maintenance..........................................19
Professional Maintenance .........................................19
Use of Air Handler During Construction.....................19
Repairing or Replacing Cabinet Insulation ................20
Decommissioning ......................................................20
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional HVAC installer or
equivalent, service agency, or the gas supplier.
*P508473-01*
Issue 2424
One-Piece PSC Air
Handler-R410A
WARNING
Allied Air Enterprises LLC
215 Metropolitan Drive
West Columbia, SC 29170
(P) 508473-01
Page 1 of 22
Advertisement
Subscribe to Our Youtube Channel
Related Manuals for Blue Summit 7AH1AC Series
Summary of Contents for Blue Summit 7AH1AC Series
- Page 1 INSTALLATION INSTRUCTIONS One-Piece PSC Air 7AH1AC Handler-R410A This manual must be left with the homeowner for future reference. Table of Contents Shipping and Packing List ...........2 General ................2 Wiring diagram ............3 Air Flow – Cooling Blower Speed ........4 Electrical Connections ..........6 Control Panel Relocation ..........7 Nameplate Marking .............8 Requirements ..............8...
- Page 2 Check the unit rating plate to confirm that delivered unit matches order. General The 7AH1AC series air handler with aluminum coil is designed for indoor installation only. As shipped, the unit is ready for installation in either upflow, horizontal left- hand or right-hand air discharge applications.
- Page 3 Wiring diagram PART NO. 537980-02 WIRING DIAGRAM - ELECTRIC HEAT HTR 2 HTR 2 PRI LS PRI LS 20KW HTR 4 HTR 3 HTR 2 HTR 1 SEC L SEC L SEC L SEC L HTR 4 HTR 3 HTR 2 HTR 1 PRI LS PRI LS...
- Page 4 Air Flow – Cooling Blower Speed Thermostat Indoor Unit Outdoor Unit The cooling blower speed is factory configured to provide correct air flow for an outdoor unit that matches the cooling capacity rating of the air handler. If the outdoor unit is smaller than the maximum cooling capacity rating for the air handler, the cooling blower speed Auxiliary Heat Auxiliary Heat...
- Page 5 Air Handler Model Blower Speed .10" WC .20" WC .30" WC .40" WC .50" WC -018 HIGH -024 1011 HIGH 1106 1045 -030 1078 1057 1024 HIGH 1311 1261 1214 1154 1086 1020 -036 1276 1240 1191 1148 1086 HIGH 1559 1521 1446...
- Page 6 • Electrical wiring, disconnect means and over-current Electrical Connections protection are to be supplied by the installer. Refer to the air handler rating plate for maximum over- WARNING current protection, minimum circuit ampacity, as well as operating voltage. Select the proper supply circuit conductors in accordance with tables 310-16 and 310- Electric shock hazard! - Disconnect all power 17 in the National Electric Code, ANSI/NFPA No.
- Page 7 208 Volt Conversion Control Panel Relocation 1. Disconnect all power supplies. Remove the air handler access panel. To avoid the possibility of moisture damage to the control in some left-hand discharge configurations, the control panel Using the wiring diagram located on the unit access can be relocated to the end panel as shown in Figure 6.
- Page 8 The air handler is shipped from the factory completely Nameplate Marking assembled. The unit is provided with flanges for the connection of the duct system. Prior to installing the front panel, mark the unit nameplate Do not remove the cabinet knockouts until it has been to permanently identify the refrigerant configuration.
- Page 9 Unit Dimensions – Upflow – Inches (mm) 1 (25) DETAIL OF PIPING PLATE 4-3/4 3/4 (19) (121) SUCTION LINE SUPPLY AIR LIQUID OPENING CONDENSATE LINE 14-1/2 DRAINS (2) (368) 2-3/8 (Horizontal) (60) 1 (25) 1 (25) CONDENSATE DRAINS (2) 4-3/8 (Upflow and (111) 2-3/4...
- Page 10 Checkout Procedures Operation NOTE: Refer to outdoor unit installation instructions for Time Delay Relay system start-up instructions and refrigerant charging Blower time delay operation: instructions. When cooling demand is initiated, there is a 1 second motor-on delay. Pre-Start-Up Checks • Is the air handler properly and securely installed? After the motor-on delay expires, motor ramps up •...
- Page 11 the circuit to the contactor in the outdoor unit, starting the Installation compressor and outdoor fan motor. Each unit consists of a blower assembly, refrigerant coil, If the room temperature continues to decrease, the circuit and controls in an insulated galvanized steel factory- between R and W1 is completed by the second-stage heat finished enclosure.
- Page 12 Horizontal Applications ANGLE IRON OR SHEET METAL ANCE 4 IN. (102 MM) MAXIMUM 1/2" LONG SCREW IMPORTANT When removing the coil, there is a possibility of danger of equipment damage and personal injury. Be careful when removing the coil assembly from a unit installed in right- or left-hand applications.
- Page 13 Downflow Application Remove plastic plug from left hole on coil front end seal and reinstall plug in back hole. Reinstall drip If downflow application is required, separately order a shield screw in front coil end seal. Drip shield should downflow conversion kit and install per kit instructions. drain downward into horizontal drain pan inside coil.
- Page 14 Install Condensate Drain Condensate Drain The air handler is provided with 3/4” NPT condensate drain connections. IMPORTANT On units of this type, where the blower “draws” rather IMPORTANT than “blows” air through the coil, traps must be installed On some pans, the primary and secondary drain holes in the condensate drain lines (primary and auxiliary, have knockouts.
- Page 15 Route the drain line to the outside or to an appropriate drain. Drain lines must be installed so they do not block service access to the front of the air handler. A 24” clearance is required for filter, coil, or blower removal and service access.
- Page 16 Duct System and Filters Cabinet and Duct Flange CABINET DOOR FLANGE Duct System 1−1/2 The air handler is provided with flanges for the connection (38) of the supply plenum. Supply and return duct system must be adequately sized DUCT FLANGE to meet the system’s air requirements and static pressure (19) BOTTOM OF...
- Page 17 PLEASE READ IMPORTANT ISSUES CONCERNING BRAZING OPERATIONS IN THE BRAZING REFRIGERANT LINES SECTION BEFORE PROCEEDING. NOTE - Refer to outdoor unit installation instructions for refrigerant piping size requirements. NOTE - Use silver alloy brazing rods with five or six percent minimum silver alloy for copper-to-copper brazing;...
- Page 18 Brazing Refrigerant Lines CAUTION NOTE: For R454B refrigerant installations, do not braze Brazing alloys and flux contain materials which are the line set to the evaporator coil until the outdoor unit hazardous to your health. is installed. Refer to R454B Air Handler Conversion Kit Avoid breathing vapors or fumes from brazing (27J27) instructions for installation details.
- Page 19 Homeowner Maintenance Use of Air Handler During Construction Units may be used for heating (heat pumps) or cooling of buildings or structures under construction, if the following conditions are met to ensure proper operation. IMPORTANT Do not operate system without a filter. A filter is required DO NOT USE THE UNIT FOR CONSTRUCTION HEAT to protect the coil, blower, and internal parts from UNLESS ALL OF THE FOLLOWING CRITERIA ARE...
- Page 20 Repairing or Replacing Cabinet Insulation Decommissioning Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and IMPORTANT all its detail. It is recommended good practice that all DAMAGED INSULATION MUST BE REPAIRED OR refrigerants are recovered safely.
- Page 21 Installing Contractor’s Name_______________________ Installing Date_______________________________ Installing Contractor’s Phone_______________________ Air Handler Model #___________________________ Job Address____________________________________ Thermostat Line Voltage SUPPLY Disconnect Switch Temperature Integrated Control Duct Blower Motor Amps System Electric Heat Amps Duct Static RETURN Filter Drain Line DUCT SYSTEM TOTAL EXTERNAL STATIC (dry coil) dry coil wet coil SUPPLY AIR DUCT...
- Page 22 Installing Contractor’s Name_______________________ Installing Date_______________________________ Installing Contractor’s Phone_______________________ Air Handler Model #___________________________ Job Address____________________________________ Line Voltage Disconnect Switch Thermostat Integrated Control Duct System Duct System Filter RETURN SUPPLY Electric Heat Amps Blower motor Amps Drain Line Duct Static Temperature DUCT SYSTEM TOTAL EXTERNAL STATIC (dry coil) dry coil wet coil...
Need help?
Do you have a question about the 7AH1AC Series and is the answer not in the manual?
Questions and answers