Manitowoc Ice FS1 Fascicule

1. Disconnect power to reach-in. 
2. Remove L1 and L2 (N) (black and white) wire leads from L and 1 current relay terminals. 
3. Recover refrigerant from the reach-in in accordance with local and national governing laws (some repiping will be 

required). 

4. Remove heat exchanger.    CAUTION!    Remove entire system charge before proceeding. 

a.  Remove the insulation from the suction line liquid heat exchanger assembly.    You will see the liquid line 

soldered to the suction line for approximately 15”.    You must remove this soldered length. 

b.  Remove the liquid line from the suction line.    Starting at the evaporator end, use a pliers and a low flame torch to 

carefully separate the liquid line from the suction line. 

c.  Reinsulate the suction line.    Run the removed liquid line outside the suction line insulation. 

5. Evacuate and recharge system with nameplate charge using ONLY HP81. 
6. Pull L1 and L2 (N) (black and white) wire leads through rear 1/2” knockout hole of start component electrical box.   

Tighten 1/2” conduit nut to conduit fitting. 

7. Screw start component electrical box to refrigeration platform close to compressor. 
8. Wire-nut L1 (black) wire lead to wire lead #78 and L2 (white) wire lead to wire lead #77. 
9. Break out bottom knockout of compressor electrical box and attach common, run, and start wire leads to compressor 

terminals, per new wiring diagram. 

10. Peel backing off new wiring diagram and place over existing wiring diagram. 

 

2110 South 26 Street, P.O. Box 1720, Manitowoc, WI  54221-1720 USA                                                                                                              
Telephone 920-682-0161, Fax - Sales:    920-683-7589, Service/Parts: 920-683-7585,    Other:  920-683-7879                               8010523 
Web Site - 

www.manitowocice.com

                                                                                                                                                                                                      Rev. 05/21/99 

 To Expansion 
                Valve 

From Evaporator 

From Condenser 

Liquid Line

Filter Drier 

Suction Line 

To Compressor 

Reinsulate After 
Unsoldering 

Do Not Reinsulate 
After Unsoldering 

                                  Remove 
                (Unsolder Entire Heat 
    Exchanger Approx. 15.00”)