Electrical Schematic Ladder Diagram - Pentair 175K BTU/HR Installation And User Manual

32
MASTERTEMP HEATER ELECTRICAL SCHEMATIC LADDER DIAGRAM
®
MASTERTEMP Pool and Spa Heater Installation and User's Guide
LADDER DIAGRAM
240
L1
VAC
IGNITER
L1 S1
F1 F2
240
VAC
24 VAC
OPERATING
CONTROL
24 VAC
24 VAC
LOGIC
24V
HI
WATER
LIMIT
PRESSURE
SWITCH
SWITCH
COM NO
AGS INLET TEMPERATURE
SWITCH
CONTROL SWITCH
VAL
STACK FLUE
THERMISTOR
SENSOR
SENSOR
NOTES:
1.) L1 L2 F1 F2
S2 GND IND
ARE CONNECTED ON THE IGNITION MODULE.
2. )
PIN AND SOCKET CONNECTOR.
3. ) IF ANY OF THE ORIGINAL WIRES AS SUPPLIED
WITH THE APPLIANCE MUST BE REPLACED,
THEY MUST BE REPLACED WITH TYPE 105° C
OR ITS EQUIVALENT.
Section 3. Installation Instructions
L2
S2 L2
BLOWER
GND
CLASS II
TRANSFORMER
GND
AIR
FLOW
SWITCH
TH
IND
GAS VALVE
S1 24 VAC
VAL
AND TH
Figure 24.
Rev. M 1-8-15