Delfield Specification Line GA Series, Original Instructions Service Manual

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4 Part Number GA_SM 08/18
Table of Contents (continued)
Section 6
Control
Service Screens ......................................................... 37
Frame Heater (Freezer Only) .........................................37
Rapid Pull Down (Refrigerator Only) ..........................37
Diagnostics ..........................................................................38
Relay Status .........................................................................38
Data History ........................................................................39
Energy Chart .......................................................................39
Temperature Chart ...........................................................39
Temperature Probes .........................................................40
Relay Outputs .....................................................................40
Network Connection .......................................................41
Set Up Connection ...........................................................41
Complete Network Setup ..............................................42
Add A Network Screen ....................................................42
IP Address Setup Screen .................................................43
Password ..............................................................................43
Firmware Update ..............................................................44
Reset Factory Settings .....................................................45
Alarm History Screen .......................................................45
Alarm Screens .....................................................................46
Refrigerator & Freezer Alarms .......................................47
Section 7
Component Check Procedures
Evaporator Fan Access .............................................. 49
Condenser Fan Access .............................................. 50
Unit Air Flow Design ................................................. 50
Frame Heater Routing .............................................. 51
Door Hinges .............................................................. 52
Temperature Probe Resistance ................................ 53
LED Light Replacement ............................................ 54
Door Gasket .............................................................. 55
Section 8
Refrigeration
R290
Charging Procedures ................................................ 57
System Contamination Clean-up ............................. 58
Mild System Contamination Clean-Up Procedure . 59
Severe Contamination Clean-Up Procedure ........... 59
Filter Driers................................................................ 60
Refrigerant Re-Use Policy ........................................ 60
Properties of R-290 (Propane) ................................. 61
Service Procedures ................................................... 62
Review ....................................................................... 63
Normal Operating Temperatures ............................ 64
1 Section Reach-In Refrigerator ...................................64
2 Section Reach-In Refrigerator ...................................67
3 Section Reach-In Refrigerator ...................................70
1 Section Reach-In Freezer ............................................73
2 Section Reach-In Freezer ............................................76
3 Section Reach-In Freezer ............................................79
1 Section Pass-Thru Refrigerator .................................82
2 Section Pass-Thru Refrigerator .................................85
1 Section Pass-Thru Freezer ...........................................88
2 Section Pass-Thru Freezer ...........................................91
Section 9
Diagrams
Refrigerator Wiring Diagram ................................... 95
Freezers With One Compressor Wiring Diagram .... 96
Freezers With Two Compressors Wiring Diagram .. 97
One Section Dual Temperature Wiring Diagram .... 98
Two Section Dual Temperature Wiring Diagram .... 99
One Section Heated Cabinet Wiring Diagram ......100
Two Section Heated Cabinet Wiring Diagram ......101