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© 2015 Heatcraft Refrigeration Products, LLC

1.  Installation and maintenance to be performed only by qualified  

 

 

  personnel who are familiar with this type of equipment.
2.  All units are pressurized with dry air or inert gas.  
  All units must be evacuated before charging the system with refrigerant.
3.  Make sure that all field wiring conforms to the requirements 
  of the equipment and all applicable national and local codes.

WARNING:

 

Refrigerant can be harmful if it is inhaled. Refrigerant must be used and recovered responsibly.

Failure to follow this warning may result in personal injury or death.

Inspection

Responsibility should be assigned to a dependable individual at the job site to receive 
material. Each shipment should be carefully checked against the bill of lading. The 
shipping receipt should not be signed until all items listed on the bill of lading have 
been accounted. Check carefully for concealed damage. Any shortage or damages 
should be reported to the delivering carrier. Damaged material becomes the delivering 
carrier’s responsibility, and should not be returned to the manufacturer unless prior 
approval is given to do so. When uncrating, care should be taken to prevent damage. 
Heavy equipment should be left on its shipping base until it has been moved to the 
final location. Check the serial tag information with invoice. Report any discrepancies 
to your Heatcraft Refrigeration Products Sales Representative.

Warranty Statement

Seller warrants to its direct purchasers that products, including Service Parts, 
manufactured by SELLER shall be of a merchantable quality, free of defects in 
material or workmanship, under normal use and service for a period of one 

(1) 

year from date of original installation, or eighteen (18) months from date of 
shipmen

t by SELLER, whichever first occurs. Any product covered by this order found 

to Seller’s satisfaction to be defective upon examination at Seller’s factory will at 
SELLER’s option, be repaired or replaced and returned to Buyer via lowest common 
carrier, or SELLER may at its option grant Buyer a credit for the purchase price of the 
defective article. Upon return of a defective product to SELLER’s plant, freight prepaid, 
by Buyer, correction of such defect by repair or replacement, and return freight via 
lowest common carrier, shall constitute full performance by SELLER of its obligations 
hereunder.

SELLER shall have no liability for expenses incurred for repairs made by Buyer except 
by prior, written authorization. Every claim on account of breach of warranty shall be 
made to SELLER in writing within the warranty period specified above – otherwise 
such claim shall be deemed waived. Seller shall have no warranty obligation 
whatsoever if its products have been subjected to alteration, misuse, negligence, 
free chemicals in system, corrosive atmosphere, accident, or if operation is contrary 
to SELLER’s or manufacturer’s recommendations, or if the serial number has been 
altered, defaced, or removed.

Motor Compressors

Motor compressors furnished by SELLER are subject to the standard warranty 
terms set forth above, except that motor compressor replacements or exchanges 
shall be made through the nearest authorized wholesaler of the motor compressor 
manufacturer (not at SELLER’s factory) and no freight shall be allowed for 
transportation of the motor compressor to and from the wholesaler. The replacement 
motor compressor shall be identical to the model of the motor compressor being 
replaced. Additional charges which may be incurred throughout the substitution of 
other than identical replacements are not covered by this warranty. An optional, non 
assignable, four (4) year extended compressor warranty may be purchased within 
the boundaries of the United Sates of America, its territories and possessions, and 
Canada. With this extended compressor warranty, replacements are administered by 
an authorized compressor distributor only. Replacements within the first year of the 
warranty area available through the distributor; the second through fifth years, the 
purchaser must submit a proof-of-purchase of a compressor and supply it to Heatcraft 
Refrigeration Products Warranty Claims for reimbursement.

Seller makes no express warranties except as noted above. All implied warranties 
are limited to the duration of the Express Warranty. Liability for incidental and 
consequential damages is excluded. 

The forgoing is in lieu of all other warranties, express or implied, notwithstanding the 
provisions of the uniform commercial code, the Magnuson-Moss Warranty - Federal 
Trade Commission Improvement Act, or any other statutory or common law, federal or 
state.

SELLER makes no warranty, express or implied, of fitness for any particular purpose, 
or of any nature whatsoever, with respect to products manufactures or sold by seller 
hereunder, except as specifically set forth above and on the face hereof. It is expressly 
understood and agreed that SELLER shall not be liable to buyer, or any customer of 
buyer, for direct or indirect, special, incidental, consequential or penal damages, or 
for any expenses incurred by reason of the use or misuse by buyer or third parties of 
said products. To the extent said products may be considered "consumer products," 
As defined in Sec. 101 of the Magnuson-Moss Warranty - Federal Trade Commission 
Improvement Act, SELLER makes no warranty of any kind, express or implied, to 
"consumers," except as specifically set forth above and on the face hereof.

The following conditions should be adhered to when installing this unit to maintain the 
manufacturers warranty:

1. 

System piping must be in accordance with good refrigeration  

 

 

practices. 

2. 

Inert gas must be charged into the piping during brazing.

 

3. 

The power supply to the unit must meet the following conditions: 
 

A.  Three phase voltages must be +/- 10%  

 

 

 

of nameplate ratings. 

4. 

 

B. Phase imbalance cannot exceed 2%.

5. 

All control and safety switch circuits must be properly connected    
according to the wiring diagram. 

6. 

The factory installed wiring and piping must not be changed  

 

 

without written factory approval.

7. 

All equipment is installed in accordance with Heatcraft Refrigeration Products 
specified minimum clearances.

4.  Avoid contact with sharp edges and coil surfaces. 
  They are a potential injury hazard.
5.  Make sure all power sources are disconnected before any  

 

 

  service work is done on units.

General Safety Information

Содержание H-IM-SCU

Страница 1: ...actices 5 Refrigeration Pipe Supports 5 Suction Lines 6 Liquid Lines 6 Unit Cooler Piping 6 Line Sizing Tables 7 9 Evacuation and Leak Detection 10 Refrigerant Charging Instructions 10 Field Wiring 10...

Страница 2: ...above except that motor compressor replacements or exchanges shall be made through the nearest authorized wholesaler of the motor compressor manufacturer not at SELLER s factory and no freight shall b...

Страница 3: ...mum distance between units is the width of the largest unit If units are placed end to end the minimum distance between units is 4 feet Units in Pits The top of the unit should be level with the top o...

Страница 4: ...ntroduced above the liquid in the receiver tank The receiver discharge is regulated by the ORI valve Operation and Adjustment Condensing units with dual valves require sufficient charge to partially f...

Страница 5: ...he system as supplied by Heatcraft Refrigeration Products was thoroughly cleaned and dehydrated at the factory Foreign matter may enter the system by way of the evaporator to condensing unit piping Th...

Страница 6: ...runs to provide superheat at the compressor Pipe size example Given 30 F Cooler with one system having 2 evaporators One condensing unit rated at 350 000 BTUH s 20 F SST R404A refrigerant Two evapora...

Страница 7: ...0 09 0 13 1 2 R507 404A R407C 6 4 0 58 0 16 0 24 5 8 R507 404A R407C 10 3 0 93 0 25 0 35 7 8 R507 404A R407C 21 2 1 92 0 51 0 72 1 1 8 R507 404A R407C 36 1 3 27 0 86 1 24 1 3 8 R507 404A R407C 55 0 4...

Страница 8: ...3 8 1 3 8 1 3 8 7 8 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 1 3 8 7 8 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 1 3 8 72000 7 8 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 1 3 8 7 8 1 1 8 1 1 8 1 1 8 1 3 8 1 3 8 1 3 8 7 8 1 1 8 1 1 8 1...

Страница 9: ...8 1 5 8 1 5 8 1 5 8 1 5 8 1 1 8 1 3 8 1 3 8 1 5 8 1 5 8 1 5 8 1 5 8 120000 1 3 8 1 3 8 1 5 8 1 5 8 1 5 8 2 1 8 2 1 8 1 3 8 1 5 8 1 5 8 1 5 8 2 1 8 2 1 8 2 1 8 150000 1 3 8 1 5 8 1 5 8 1 5 8 2 1 8 2 1...

Страница 10: ...er evacuation Do not turn off vacuum pump when connected to an evacuated system before closing shut off valve The vacuum pump should be operated until a pressure of 1 500 microns absolute pressure is...

Страница 11: ...n the condensing unit nameplate If high or low voltage is indicated notify the power company If amperage draw is excessive immediately determine the cause and take corrective action On three phase mot...

Страница 12: ...ns to keep the condensing unit s within the control zone d If the supply air temperature is below the control zone and if the Supply Air Temp Rate of Change ROC is not indicating the supply air temper...

Страница 13: ...correct the problem and reset the unit using the Lckout RST from the Menu on the MAGNUM s key pad 10 If the compressor relay output is turned on either by computer or manual the compressor safeties a...

Страница 14: ...RATURE TEMPERATURE STATUS STATUS Page Up Page Down 09 55 CMP 1 45 54 CMP OFF READY 000 00 42 SST SSH SCT DSH 38 16 9 97 79 2 PG PG HH MM CIRCUIT LEV ENT CURRENT CONTROL STATE TIME IN CURRENT STATE SAT...

Страница 15: ...ts menu option shows the first 4 Sensor Inputs Pressing the Page Down button shows the next 4 Relay Outputs ACTUAL DISPLAY GETTING STARTED MANUAL REVISION 2 4 Pressing the Page Down button shows the f...

Страница 16: ...option shows the first 4 setpoints Selecting the Graphs menu option shows the following Continue pressing the Page Down or Page Up buttons to scroll through all the Alarm screens GRAPHS Selecting the...

Страница 17: ...menu Selecting the Lckout RST menu option shows the following Pressing the down arrow shows the rest of the submenu options ACTUAL DISPLAY GETTING STARTED MANUAL REVISION 2 4 Pressing the Page Down bu...

Страница 18: ...excess 3 Open valve 4 Check electrical circuit 5 Adjust 6 Clean Low discharge pressure 1 Faulty condenser temperature regulation 2 Suction shutoff valve partially closed 3 Insufficient refrigerant in...

Страница 19: ...t option Press enter 1st SI and offset appears i e Suction 1 0 0 Scroll using increase decrease keys to find sensor to calibrated Press enter use the increase decrease keys to change calibration value...

Страница 20: ...hat was installed cannot be initialized and therefore cannot be used Replace the Compact Flash card with one that works BATTERY FAILED Generated when Magnum is not getting power from the Battery User...

Страница 21: ...lgorithm incorporates a number of safety checks based on setpoints preventing unsafe conditions that could potentially cause damage to the system When a safety trips the circuit will be in a SAFETY TR...

Страница 22: ...CHECKED If the discharge temperature analog input rises above the value of the setpoint or the digital input turns ON for the time specified in the Time sec field the compressor will be Locked Out and...

Страница 23: ...nections are secure tighten if necessary Check operation calibration of all fan cycle and defrost controls when used Look for abnormal accumulation of ice patterns and adjust defrost cycles accordingl...

Страница 24: ...5V GRD GRD 5V S1 5V 5V GRD GRD S1 S1 5V GRD 5V 5V S1 GRD GRD S1 5V 5V S1 GRD GRD S1 5V WHITE BLACK SHIELD TEMP 1 SHIELD BLK TRANSDUCER WHITE DISCHARGE 1 RED GRD M1 ANALOG T1 100 M2 ANALOG T1 500 M3 AN...

Страница 25: ..._________________________________________________________________________________ _______________________________________________________________________________________ ______________________________...

Страница 26: ...s should be obtained from your local InterLink wholesaler Replacement parts which are covered under the terms of the warranty statement on page 2 of this manual will be reimbursed for total part cost...

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