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INSTALLATION AND MAINTENANCE INSTRUCTIONS
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.
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 or service agency.
For your safety, do not store or use gasoline or other
flammable vapors and liquids in the vicinity of this or any
other appliance. Such actions could result in property
damage, personal injury, or death.
Installation and servicing of air conditioning equipment
can be hazardous due to internal refrigerant pressure
and live electrical components. Only trained and
qualified service personnel should install or service
this equipment. Installation and service performed by
unqualified persons can result in property damage,
personal injury, or death.
The installation of this appliance must conform to the requirements of the National Fire Protection Association; the National
Electrical Code, ANSI/NFPA No. 70 (latest edition) in the United States; the Canadian Electrical Code Part 1, CSA 22.1
(latest edition) in Canada; and any state or provincial laws or local ordinances. Local authorities having jurisdiction should
be consulted before installation is made. Such applicable regulations or requirements take precedence over the general
instructions in this manual.
506325-01
MHP4 Series
Self-Contained Heat Pump
Save these instructions for future reference
WARNING
WARNING
WARNING
Table of Contents
Installation ...................................................................2
Operation .....................................................................7
Maintenance ................................................................9
Accessories ...............................................................10
Wiring Diagrams ........................................................12
The unit must be installed with approved wall sleeve
and grille accessories for safe operation. Improper
installations could result in property damage, personal
injury, or death.
A Lennox International Inc. Company
*P506325-01*
CAUTION
Issue 1734
WARNING
Manufactured By
Allied Air Enterprises LLC
215 Metropolitan Drive
West Columbia, SC 29170
(P) 506325-01
Page 1 of 15
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Summary of Contents for Magic-Pro MHP4-09-12
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Page 1: Table Of Contents
INSTALLATION AND MAINTENANCE INSTRUCTIONS MHP4 Series Self-Contained Heat Pump Save these instructions 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. Table of Contents WARNING Installation ..............2... -
Page 2: Installation
Outdoor Ambient Air Temperature °F Installation Minimum D B Maximum D B Cool Cool Heat WARNING These units are not approved for mobile home Indoor Ambient Air Temperature °F applications. Such use could result in property damage, Minimum Maximum personal injury, or death. DB/WB DB/WB Cool... - Page 3 Clearance to combustible materials is 0” at the side, top, and front of plenum. If accessibility clearances are greater than clearances to combustibles, accessibility clearances take precedence. The front of the unit must be accessible for service. If the unit is enclosed, providing a door or access panel opposite the front of the unit is the preferred method of providing access.
- Page 4 NOTE: Platform must be constructed so that it is level with sill plate of wall opening. Figure 2. Wall Sleeve and Louver Kit Installed The outside of the unit may be flush with the face of the exterior wall, and it should not be obstructed with CAUTION trees, landscape materials, or building structure.
- Page 5 Line up one of the holes in space containing the unit. the installation bracket with the screw hole and attach External Static Pressure (in. w.c. w/filter) Blower Model Speed MHP4-09-12 Medium/Low MHP4-09-18 Medium/High MHP4-09-24 High Medium/Low...
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Page 6: Air Filter
Condensate Drain Provisions must be made to properly drain the indoor and outdoor drain pans of this appliance. Indoor drain connection: 1/2” NPT to 3/4” PVC fitting (schedule 40). Outdoor drain connection: 3/4” NPT to 3/4” PVC fitting (schedule 40 minimum). Both drains must be trapped as shown in Figure 5. -
Page 7: Operation
Power supply to the unit must be NEC Class 1 and must comply with all applicable codes. A fused disconnect switch WARNING should be field provided for the unit. The switch must be separate from all other circuits. If any of the wire supplied The location of fresh air capable models must conform to with the unit must be replaced, replacement wire must be the requirements of National Fire Protection Association... - Page 8 Defrost Cycle The defrost control is also equipped with a set of pins to aid If the outdoor ambient conditions are such that frost forms in the troubleshooting of the defrost system (see Figure 8). on the outdoor coil, the defrost control monitors the need The following is a brief outline of the testing of the defrost for, initiates, and terminates defrost cycles as necessary to system.
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Page 9: Maintenance
Magic-Pak Suction Superheat @ ARI Conditions Model 82° OD 80° IDDB/67° IDWB Periodic inspection and maintenance normally consists of MHP4-09-12 15-18 changing or cleaning filters and (under some conditions) MHP4-09-18 9-11 cleaning the coils. MHP4-09-24... -
Page 10: Accessories
Accessories Kit No. Description Used With LVRPWHT-1 Polypropylene Louver Kit (White) MHP4-09-12, 18, 24, & 30/MHP4-10-18 & 24 ALVRPWHT-2 Polypropylene Louver Kit (White) MHP4-10-30/MHP4-09-36 ALVRPSAN-1 Polypropylene Louver Kit (Sandstone) MHP4-09-12, 18, 24, & 30/MHP4-10-18 & 24 ALVRPSAN-2 Polypropylene Louver Kit (Sandstone) - Page 11 Wall Sleeve Dimensions (in.) Kit No. ASLEEVE2-1 29-1/8 ASLEEVE2-2 32-3/4 32-7/8 ASLEEVE6-1 29-1/8 ASLEEVE6-2 32-3/4 32-7/8 ASLEEVE6-3 45-1/8 ASLEEVE6-4 45-1/8 ASLEEVE8-1 29-1/8 ASLEEVE8-2 32-3/4 32-7/8 ASLEEVE8-3 45-1/8 ASLEEVE8-4 45-1/8 29-1/8 ASLEEVE810-1 29-1/8 ASLEEVE10-2 32-3/4 32-7/8 ASLEEVE10-3 45-1/8 ASLEEVE10-4 45-1/8 ASLEEVE12-1 29-1/8 ASLEEVE12-2 32-3/4...
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Page 12: Wiring Diagrams
Wiring Diagrams NOTE: 208/230-1-60 CIRCUITS ENERGIZED LINE VOLTAGE-FACTORY IF ANY OF THE ORIGINAL OPERATING MODE CIRCUIT POWER SUPPLY WITH MIN. LINE VOLTAGE-FIELD WIRES ARE REPLACED THE ELECTRIC HEAT LOW VOLTAGE-FACTORY 75 COPPER WIRE SAME SIZE AND TYPE WIRE 10 KW HEAT PUMP R-G-Y LOW VOLTAGE-FIELD... - Page 13 CIRCUIT 2 L2 TERMINAL BLOCK L1 TERMINAL BLOCK 208/230V-1 -60HZ GROUND SCREW LIMIT REPLACEMENT FUSE SPEC: ATC-3 BLADE TYPE LIMIT 32 VOLT 3 AMP CIRCUIT 1 208/230V-1 -60HZ CONTACTOR DUAL CAPACITOR COMPRESSOR DEFROST RELAY MOTOR HIGH COOLING MED/HIGH BLOWER CAP. BLOWER MOTOR MED/LOW...
- Page 14 CIRCUITS ENERGIZED NOTE: 208/230-1-60 OPERATING MODE CIRCUIT LINE VOLTAGE-FACTORY IF ANY OF THE ORIGINAL POWER SUPPLY WITH MIN. ELECTRIC HEAT LINE VOLTAGE-FIELD WIRES ARE REPLACED THE HEAT PUMP R-G-Y 75 COPPER WIRE LOW VOLTAGE-FACTORY SAME SIZE AND TYPE WIRE COOLING R-G-Y-O MUST BE USED.
- Page 15 L2 TERMINAL 208/230V-1 -60HZ L1 TERMINAL BLOCK BLOCK GROUND SCREW LIMIT 7 MHP ONLY LIMIT CONTACTOR COMPRESSOR DUAL CAPACITOR FAN MOTOR DEFROST RELAY COOLING HIGH BLOWER CAP. MED/HIGH BLOWER MOTOR MED/LOW HEATING TRANSFORMER (7 MHP) 24 V. (3 & 5 MHP) FUSE SEQ HEATER CX XFMR...