U-Line SP 18, Service Manual

Page: 19 / 66

3-4
Section 3 - Service and Repair
COMPRESSOR/ELECTRICAL
SPECIFICATIONS
Compressor Pins
To measure start winding resistance, measure across the C-S
pins.
To measure run winding resistance, measure across the
C-R pins. These pins should never measure any resistance to
ground. This would indicate a shorted compressor.
Models ULN-95, ULN-98, SP18, U-CO29A, U-CO1175,
BI2115, SS-1095 - Figure 4
EMI30HER Start winding resistance28 OHMS
EMI30HER Run winding resistance8 OHMS
SD39 Start winding resistance11 OHMS
SD39 Run winding resistance5 OHMS
EMI50HER Start winding resistance12 OHMS
EMI50HER Run winding resistance4 OHMS
SD51 Start winding resistance5 OHMS
SD51 Run winding resistance5 OHMS115 Volt Ice maker
heater resistance80 OHMS
115 Volt Water valve coil resistance335 OHMS
Figure 4. Electrical Relay and Overload Protector
Models SP18, ULN-95, ULN-98, U-CO29A, U-CO1175, BI2115,ADA15IM, & SS-1095
MODEL U-CO29F - Figure 5
EMU45HSC Start winding resistance5.60 OHMS
EMU45HSC Run winding resistance6.70 OHMS
115 Volt Ice maker heater resistance80 OHMS
115 Volt Water valve coil resistance335 OHMS
115 Volt Drain pan heater630-661 OHMS
Figure 5. Electrical Relay and Overload Protector
Model U-CO29F
C
S
R
OVERLOAD PROTECTOR
STARTING RELAY
RELAY COVER
UL183-3
EMI ER
C
S
R
OVERLOAD PROTECTOR
STARTING RELAY
CAPACITOR
RELAY COVER
UL183-3.1