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Section 3 - Service and Repair
1175R/1115R
1175WC/1115WC
1175BEV/ADA24R
COMPRESSOR/COIL SPECIFICATIONS
DANGER
DANGER
Electrocution can cause death or serious injury. Burns from hot
or cold surfaces can cause serious injury. Take precautions when
servicing this unit.
• Disconnect the power source.
• Do not stand in standing water when working around
electrical appliances.
• Make sure the surfaces you touch are not hot or frozen.
• Do not touch a bare circuit board unless you are
wearing an anti-static wriststrap that is grounded to an
electrical ground or grounded water pipe.
• Handle circuit boards carefully and avoid touching
components.
To measure the start winding resistance, measure across the C and S
pins.
To measure the run winding resistance, measure across the C and R
pins.
Also check S to R and you should get the sum of the run and start
windings.
To ensure the windings are not shorted, check the S and R to ground.
Figure 31. 1175R/1115R/1175WC/1115WC/1175BEV
THERMISTORS
For all models, one type 2 thermistor is mounted to the sidewall.
Reed Switch
A reed switch is mounted to the underside of the cabinet and a
magnet is mounted to the door. When the door is closed, the magnet
trips the switch which turns the light and display off. For glass door
models the display remains on unless toggled.
IMPORTANT
The U-Line ADA24R models employ both a 12VDC evaporator fan assembly and condenser fan assembly. The
motors are powered by a 12VDC power supply located in the base of the unit. These fans are designed to
operate in conjunction with the compressor and should be running whenever power is applied to the
compressor electricals. These motors do not require external lubrication and do not overtighten the mounting
screws upon installation (tab breakage could occur).
C
S
R
OVERLOAD PROTECTOR
STARTING RELAY
CAPACITOR
RELAY COVER
ULIN_0368_A
5400 5403 70075 70077
Voltage 115.0 220-240 115.0 115.0
Frequency 60.0 50.0 60.0 60.0
LRA 9.8 4.0 6.0 5.5
FLA 1.2 0.7 1.2 1.0
Start Winding 21.2 39.5 4.2 7.0
Run Winding 7.9 28.6 5.4 8.4
Capacitor N/A N/A opt 15 uF 12uF
BLUE (NEUTRAL) RED + (POSITIVE)
Input Output
BROWN (HOT/LIVE BLACK - (NEGATIVE)
U-Line Part # 68103
Transformer/Power Supply
100-240VAC (0.55AMP MAX)
12VDC (1.7 AMP MAX)