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Enviromax, 1/06

How To Use This Manual

This manual is intended to be a comprehensive guide to the Enviromax line of vertical heat pumps.  It contains in-

stallation, troubleshooting, maintenance, and application information.  The information contained in this manual 

is to be used by the installer as a guide only.  This manual  does not supersede or circumvent any applicable na-

tional or local codes.

If you are installing the Enviromax 10 heat pump,  first read Chapter 1 and scan the entire manual before begin

-

ning the installation as described in Chapter 2.  Chapter 1 contains general,  descriptive information and provides 

an overview which can speed up the installation process and simplify troubleshooting.    
If a malfunction occurs, follow this troubleshooting sequence: 

1.  Make sure you understand how the  Enviromax™ HP works (Chapters 1 & 3).
2.  Identify and correct installation errors (Chapter 2).
3.  Refer to the troubleshooting information in Chapter 4. 

If you are still unable to correct the problem, contact Enviromax for additional assistance.
Please read the following “Important Safety Precautions” before beginning any work.

Important Safety Precautions

1.  USE CARE when LIFTING or TRANSPORTING equipment.
2.  TRANSPORT the UNIT UPRIGHT.  Laying it down on its side may cause oil to

 

 

leave the compressor, resulting in DAMAGE upon START-UP. 

3.  TURN ELECTRICAL POWER OFF AT THE breaker or fuse box BEFORE installing or

 

 

working on the equipment.  LINE VOLTAGES ARE HAZARDOUS or LETHAL.       

4.  OBSERVE and COMPLY with ALL applicable PLUMBING, ELECTRICAL, and 

 

 

BUILDING CODES & ordinances

5.  SERVICE may be performed ONLY by QUALIFIED and EXPERIENCED PERSONS.

 

* Wear safety goggles when servicing the refrigeration circuit

 

* Beware of hot surfaces on refrigerant circuit components   

 

* Beware of sharp edges on sheet metal components 

 

* Use care when recovering or adding refrigerant                             

6.  Use COMMON SENSE - BE SAFETY CONSCIOUS

This is the safety alert symbol   

. When you see this symbol on the Scholar unit and in the instruction 

manuals be alert to the potential for personal injury. Understand the signal word DANGER, WARN

-

ING and CAUTION. These words are used to identify levels of the seriousness of the hazard.

Failure to comply will result in death or severe personal injury and/or property 

damage.

Failure to comply could result in death or severe personal injury and/or property 

damage.

Failure to comply could result in minor personal injury and/or property damage.

IMPORTANT 

is used to point out helpful suggestions that will result in improved installation, reliability or 

operation.

Specifications subject to change without notice.

© 1

2

/06  Marvair

®

!

DANGER

!

WARNING

!

CAUTION

Содержание AVMC36HPWN

Страница 1: ...rton Canes Cannock Staffordshire United Kingdom WS11 9UU 44 0 1543 459 974 Fax 44 0 1543 450 737 E mail sales enviromax co uk Internet www enviromax co uk Manufactured under U S Patent No 6 571 572 No...

Страница 2: ...UNIT UPRIGHT Laying it down on its side may cause oil to leave the compressor resulting in DAMAGE upon START UP 3 TURN ELECTRICAL POWER OFF AT THE breaker or fuse box BEFORE installing or working on t...

Страница 3: ...ut of Cooling Cycle 14 3 2 Check Out of Heating Cycle 14 Troubleshooting 4 1 Overview 15 4 2 Failure Symptoms Guide 16 4 3 Compressor Troubleshooting 17 Periodic Maintenance Requirements 5 1 Scheduled...

Страница 4: ...hanges to the Enviromax 10 heat pump include 1 The use of a single larger capacity condensate pump instead of two smaller pumps 2 The wire harnesses connecting the control board to the internal thermo...

Страница 5: ...ill enter into and indicate the lockout mode In the lockout mode the compressor is turned off If there is a call for indoor air flow G the blower remains energized the alarm output is energized and th...

Страница 6: ...CRIPTION GREEN POWER CONSTANT ON 24 VAC POWER HAS BEEN APPLIED RED STATUS CONSTANT ON NORMAL OPERATION 1 BLINK HIGH PRESSURE SWITCH HAS OPENED TWICE 2 BLINKS LOW PRESSURE SWITCH HAS OPENED TWICE LEDs...

Страница 7: ...et Coil Table 2 Filter Size mm 1 2 Ratings Specifications MODEL 0 25 Pa 0 50 Pa 0 75 PA 36 1580 1425 1270 CFM Cubic Feet per Minute Indoor Air Flow ESP External Static Pressure Pa m3 hr MODEL DESCRIPT...

Страница 8: ...ycle Figure 1 Refrigerant Circuit Heating Mode During heating mode a special reversing valve reverses the flow of refrigerant through the sys tem exchanging the roles of the condenser and evaporator N...

Страница 9: ...Enviromax 12 06 Figure 2 Typical Electric Schematic for Models AVMC36 1 4 Electrical Diagrams The compressor is energized with a contactor controlled by a 24 VAC pilot signal see Figure 2...

Страница 10: ...10 Enviromax 12 06 Figure 3 Electrical Box for Models AVMC36...

Страница 11: ...s Airflow entering the outdoor coil from either side and exiting the coil from the front must not be hindered or obstructed A minimum clearance of 600 mm is recommended from the front of the unit for...

Страница 12: ...o 245 volts They are factory wired for operation on a 221 volt to 245 volt power supply To determine the voltage at your site using a voltage meter carefully measure the voltage at the end of the powe...

Страница 13: ...e water pump is located beneath the outdoor coil in a sump Water produced during the defrost cycle collects in the lower pan and flows into the sump Condensate from the upper pan flows directly into t...

Страница 14: ...cled 3 To stop cooling slowly raise the thermostat set point to a temperature higher than the ambi ent If the unit fails to operate refer to the troubleshooting information in Chapter 4 Follow the sam...

Страница 15: ...e wires crimped tubing missing parts etc Begin deeper analysis only after making this initial inspection The troubleshooting information in this manual is basic The troubleshooting section contains pr...

Страница 16: ...igerant circuit 3 Refrigerant overcharge following field service 1 Check blower assembly for proper operation Look for airflow restrictions e g the air filter Check blower motor and condenser fan 2 Ch...

Страница 17: ...amperage stays high check the motor winding resistances NOTE Feel the top of the compressor to see if it has overheated If it is hot the internal overload may be open You may have to wait several hou...

Страница 18: ...tended for this purpose TURN OFF POWER BEFORE CLEANING Be sure that all electrical components are thoroughly dry before restoring power Cabinet The cabinet may be cleaned with a sponge and warm soapy...

Страница 19: ...mm x 395mm x 25mm 80136 Compressor Jacket Optional 20044 Switch Toggle DPDT for selecting voltage 70027 Block Terminal Light Gray 80520 Three Link Siemens 500 MM Long Strip 80522 Plug Siemens 1 Pin 80...

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