Table of Contents
Advertisement
Electrical Connections ...............................................................................................................................................
Fireman's Switch Connection/Remote Control Connections .................................................................................
MasterTemp 125 Heater Terminal Board/Control and Connection Wiring Diagram .............................................
Heater Bonding ........................................................................................................................................................
Connecting the MasterTemp Heater to the IntelliCenter Control System Load Center via RS-485 ..........................
Connecting the RS-485 Cable from the Heater to the Load Center ......................................................................
Heater Wiring Diagram (3-Wire System) ...............................................................................................................
Heater Electrical Schematic Ladder Diagram ........................................................................................................
Section 2. Operations ..............................................................................................................
Basic System Operation ............................................................................................................................................
HSI (Hot-Surface Ignition) Lighting/Operation ...........................................................................................................
Start-Up and Operation Before Start-Up ...................................................................................................................
Operating Instructions ..............................................................................................................................................
Safety Controls/Air Flow Switch (AFS) ......................................................................................................................
Water Pressure Switch ..........................................................................................................................................
High Limits (Safety Device) ...................................................................................................................................
Operation of Ignition Module (ICM) .......................................................................................................................
Diagnostic Indicator ...........................................................................................................................................
Error PS Message .................................................................................................................................................
Control Panel .............................................................................................................................................................
Menu Navigation .......................................................................................................................................................
Operating the Heater .................................................................................................................................................
Menu ..................................................................................................................................................................... ...
Section 3. Troubleshooting .....................................................................................................
Initial Troubleshooting / Error and Fault Codes .........................................................................................................
Troubleshooting Instruction .......................................................................................................................................
Troubleshooting Chart (Important Read Me First) .....................................................................................................
Heater Will Not Fire - A .........................................................................................................................................
Heater Will Not Fire - B .........................................................................................................................................
IGN is On (Alarms: AGS, AFS, HLS, PS, EO1, or 126 .............................................................................................
Diagnostic Alarms: AGS, AFS, HLS, PS, EO1, or 126 ..............................................................................................
Diagnostic Alarms: ERR SFS ....................................................................................................................................
Burner Troubleshooting .............................................................................................................................................
Heat Exchanger Troubleshooting ..............................................................................................................................
Section 4. Maintenance ...........................................................................................................
Care and Maintenance / De-Iiming The Heater .........................................................................................................
Pressure Relief Valve (Not Factory Installed) ...........................................................................................................
After Start-Up (Checking Water Flow) .......................................................................................................................
After Start-Up / Spring, Fall and Winter Operation ....................................................................................................
Maintaining Pool Temperature ..................................................................................................................................
Energy Saving Tips ...................................................................................................................................................
Chemical Balance .....................................................................................................................................................
Section 5. Replacement Parts ................................................................................................ 61-65
460906 Rev. D 8/2020
Contents
.........................................................................
............................................................................................................................
MASTERTEMP 125 Pool and Spa Heater Installation and User's Guide
(Continued)
Contents
9
34
34
35
35
36
37
38
40
41
42
42
42
42
43
43
44
44
44
45
45
45
46
46
46
47
48
49
50
50
51
52
53
54
55
56
56
57
57
57
58
58
59
59
59-60
Hide quick links:
Advertisement
Table of Contents
Troubleshooting
