Hoshizaki SRH/3 User Manual

54

When replacing a component listed below, see the notes to help ensure proper 
operation.

Compressor

1 phase: Install a new start capacitor, run capacitor, and start relay.
3 phase: Install a new magnetic contactor.

Thermostatic 
Expansion Valves

• Attach the thermostatic expansion valve bulb to the suction line in the same location as 

the previous bulb. 

• The bulb should be between the 10 and 2 o'clock positions on the tube. 
• Secure the bulb with the clamp and holder, then insulate it.

Hot Gas Valves
Liquid Line Valves

• Replace the strainer if applicable.
• Use copper tube of the same diameter and length when replacing valve lines.

Fan Motors

Install a new capacitor.

Pump Motor

Install a new capacitor.

Thermistor

• Attach the new thermistor to the suction line in the same location as the previous 

thermistor. 

• The thermistor should be at the 12 o'clock position on the tube.
• Smoothly fill the recessed area of the thermistor holder with high thermal conductive 

type sealant. Hoshizaki America part number 4A0683-01 (Silicone Heat Sink Compound 
10-8108 manufactured by GC Electronics), KE-4560 RTV (manufactured by ShinEtsu 
Silicones), or equivalent are recommended. 

• Secure the thermistor with the holder, then insulate it. 
• Be very careful to prevent damage to the leads.

KM-1400SWH-M, 
KM-1400SWH3-M 
Water Regulating 
Valve

Tighten the water regulating valve flare nut to a torque of 39.8 ft-lb/53.9 N·m.