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HMG60E1P Series Air Handler
This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in
manuals, be alert to the potential for personal injury or death.
General Information .....................................................5
Shipping and Packing List ...........................................5
Requirements ..............................................................5
Use of Air Handler During Construction.......................5
Installing the Unit .........................................................6
Brazing Connections ...................................................8
Installing the Condensate Drain ..................................9
Inspecting and Replacing Filters .................................10
Sealing the Unit ...........................................................10
IMPORTANT INFORMATION FOR INSTALLER
CHECK FOR AND REMOVE THESE ITEMS BEFORE OPERATING UNIT.
BLOWER HOUSING
SUPPORT PAD
HORIZONTAL DRAIN PAN
(SEE PAGES 5-6)
D
REFRIGERANT LINE PLUGS
(SEE PAGE 6)
Manufactured By
Comfort-Aire / Century
1900 Wellworth Ave.
Jackson, MI 49203
507838-02
INSTALLATION INSTRUCTIONS
This manual must be left with the homeowner for future reference.
Table of Contents
TOP CAP SHIPPING
BRACKET (REPLACE
SCREWS IN TOP CAP
AFTER REMOVAL)
Save these instructions for future reference
Measuring Static Pressure ..........................................10
Adjusting Blower Speed ............................................11
Blower Data ...............................................................12
Making Electrical Connections ..................................13
Homeowner Maintenance..........................................15
Professional Maintenance .........................................15
Repairing or Replacing Cabinet Insulation ................15
Check-out Procedures ...............................................16
DRIP SHIELD. (USED FOR -060 UNITS, HORIZONTAL
APPLICATIONS ONLY.) (SEE PAGES 5-6.) SHOWN
INSTALLED ON DRAIN PAN IN -060 UNIT.
*P507838-02*
Issue 1941
D
(P) 507838-02
Page 1 of 18
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Page 1: Table Of Contents
INSTALLATION INSTRUCTIONS HMG60E1P Series Air Handler This manual must be left with the homeowner for future reference. This is a safety alert symbol and should never be ignored. When you see this symbol on labels or in manuals, be alert to the potential for personal injury or death. - Page 2 PAGE INTENTIONALLY LEFT BLANK Page 2 of 18 Issue 1941 507838-02...
- Page 3 HMG60E1P Upflow and Downflow Unit Dimensions - inches (mm) PIPING PLATE DETAIL 3/4 (19) (FOR UP-FLOW AND DOWN-FLOW POSITIONS) 5/8 (16) SUPPLY AIR OPENING 4 3/8 (111) 1 1/8 (29) SUCTION LINE CONDENSATE DRAINS 5/8 (16) 5/8 (16) (2) (HORIZONTAL) 3/4 (19) Return Air Opening...
- Page 4 HMG60E1P Horizontal Left- and Right-Hand Discharge Unit Dimensions - inches (mm) 5 3/8 FILTER (137) (51) Horizontal Position LIQUID LINE (Right Hand Air SUCTION CONDENSATE Discharge) LINE DRAINS (2) (UP-FLOW Coil BLOWER 1 1/8 DOWN-FLOW) (29) CONDENSATE 4 3/8 DRAINS (2) (111) FOR DIMENSIONS “A”...
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Page 5: General Information
Units may be used for heating (heat pumps) or cooling of buildings or structures under construction, if the following The HMG60E1P series air handler with corrosion conditions are met to ensure proper operation. resistant coil is designed for installation with optional... -
Page 6: Installing The Unit
NOTWITHSTANDING THE FOREGOING, INSTALLER IS Model Kit Number RESPONSIBLE FOR CONFIRMING THAT THE USE OF All Sizes 45K32 CONSTRUCTION HEAT OR COOLING IS CONSISTENT WITH THE POLICIES AND CODES OF ALL REGULATING Table 1. Optional Side-Return Unit Stand ENTITIES. ALL SUCH POLICIES AND CODES MUST BE (Upflow Only) ADHERED TO. - Page 7 Horizontal Right-Hand Discharge Application in Horizontal Left-Hand Discharge Application High-Humidity Areas NOTE: For horizontal applications, a secondary drain pan is recommended. Refer to local codes. For horizontal applications in high humidity areas, remove the downflow rail closest to the drain pan. Use the following procedures to configure the unit for horizontal left-hand discharge operations: To remove rail:...
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Page 8: Brazing Connections
Use securing screws no longer than 1/2ʺ to avoid damage to coil or filter, as NOTE: HMG60E1P series air handler uses nitrogen or illustrated in Figure 3. Connect return and supply air dry air as a holding charge. If there is no pressure when plenums as required using sheet metal screws. -
Page 9: Installing The Condensate Drain
With the wet rag in place, position a field provided elbow fitting to the air handler’s suction line and line set. Start nitrogen flow before brazing. After the procedure is completed then remove the wet rag. Place wet rag against piping plate and around the AIR HANDLER UNIT liquid line connection. -
Page 10: Inspecting And Replacing Filters
For downflow orientation, the overflow drain MUST be To replace filter: connected and routed to a overflow drain line. See Figure Loosen the thumbscrews holding the filter panel in 8 for main and overflow drain locations based on coil place. Remove the dirty filter. orientation. -
Page 11: Adjusting Blower Speed
systems, connect the other end of manometer to the To change blower motor speed tap remove the speed return duct as above. For systems with non-ducted tap from Y2 on the terminal strip and insert the desired returns, leave the other end of the manometer open to speed tap. -
Page 12: Blower Data
Blower Data HMG60E1P Blower Performance External Air Volume and Motor Watts Static Tap 1 Tap 2 Tap 3 Tap 4 Tap 5 Pressure watts watts watts watts watts in. w.g. 1404 1704 1886 1928 2268 1295 1658 1849 1905 2228 1256 1631 1806... -
Page 13: Making Electrical Connections
Wiring Connections Making Electrical Connections Install line voltage power supply to unit from a properly installed circuit breaker. Ground unit at unit disconnect switch or to an earth WARNING ground. NOTE: Connect conduit to the unit using a proper Run 24V Class II wiring only through specified low conduit fitting. - Page 14 HMG60E1P Figure 11. Typical System Wiring Diagram Page 14 of 18 Issue 1941 507838-02...
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Page 15: Homeowner Maintenance
Matte- or foil-faced insulation is installed in indoor equipment Homeowner Maintenance to provide a barrier between outside air conditions (surrounding ambient temperature and humidity) and the varying conditions inside the unit. If the insulation barrier is damaged (wet, ripped, torn or separated from the cabinet IMPORTANT walls), the surrounding ambient air will affect the inside Do not operate system without a filter. -
Page 16: Check-Out Procedures
Check Blower Operation Check-out Procedures • Set thermostat to FAN ON. • The indoor blower should come on. IMPORTANT Check Cooling Operation During installation, service or maintenance, make sure • Set thermostat to force a call for cooling (approximately that copper tubing does not rub against metal edges 5ºF lower than the indoor ambient temperature). - Page 17 Installing Contractor’s Name_______________________ Installing Date_______________________________ Installing Contractor’s Phone_______________________ Air Handler Model #___________________________ Job Address____________________________________ Thermostat Line Voltage SUPPLY Disconnect Switch Integrated Control Temperature 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 18 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...