Pentair CH installation manual Troubleshooting Controls, Heat Heat

Page 27

Operation (contd.)

27

HEAT (HEAT)

The heat light is on any time the thermostat has signaled a call for heat which initializes the ignition safety firing circuit -- the light comes on to indicate successful firing of the main burners.

SERVICE (SERVICE)

The service light is off during normal operation of heater. The light only comes on if a problem with a control has occurred or when the heater is first firing. The problem must be investigated by the serviceman prior to attempts to fire the heater again.

The diagrams that follow give examples of troubleshooting a malfunctioning heater using the assistance of the indicator lights.

TROUBLESHOOTING (CONTROLS)

Example of troubleshooting with the assistance of the indicator lights.

 

 

 

SYMBOL TABLE

 

 

 

 

 

 

 

 

SWITCH OR DEVICE

 

SWITCH OR DEVICE

 

 

 

 

 

 

OPEN CIRCUIT

 

 

 

 

 

 

LED OFF

 

CLOSED CIRCUIT

 

 

 

 

LED LIT

(BLOCK CURRENT)

 

 

 

 

 

 

(PASS CURRENT)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IGNITION MODULE

 

 

 

 

 

 

IND

GND

VAL

INCOMING

TRANSFORMER

CIRCUIT

 

 

HI TEMP

 

 

GAS VALVE

 

REMOTE

PRESS

TFUSE

 

MV

LINE VOLTAGE

 

BREAKER

LIMIT SWITCHES

 

MV

THERMOSTAT

RELAY

THERM

POWER

AUX

SERVICE

 

PRESS

 

HEAT

 

 

FRONT PANEL LEDS

PWR

TSTAT

RMT

PRESS

HI TEMP

TFUSE

MV

HEAT

 

 

 

 

SRVE

 

 

 

 

 

 

 

CLOSE IF

 

 

 

 

 

 

 

NO MV

 

 

 

THERMOSTAT CIRCUIT BOARD

WATER AT SELECTED TEMPERATURE.... NORMAL OPERATION

OR POOL/OFF/SPA THERMOSTAT SELECT SWITCH OFF.... NORMAL OPERATION

INCOMING TRANSFORMER

LINE VOLTAGE

THERM

POWER

AUX

SERVICE

PRESS

 

HEAT

 

 

FRONT PANEL LEDS

 

 

 

 

 

 

IGNITION MODULE

 

 

 

 

 

IND

GND

VAL

CIRCUIT

 

REMOTE

PRESS

HI TEMP

TFUSE

 

 

BREAKER

 

LIMIT SWITCHES

 

 

 

THERMOSTAT

 

 

 

 

 

 

 

RELAY

 

 

 

 

 

 

PWR

TSTAT

RMT

PRESS

HI TEMP

TFUSE

MV

HEAT

 

 

 

 

SRVE

 

 

 

CLOSE IF

NO MV

THERMOSTAT CIRCUIT BOARD

THERMOSTAT CALLING FOR HEAT - PUMP OFF(NO PRESSURE) BLOCKS FIRING NORMAL OPERATION

GAS VALVE MV

MV

Rev. C 1-22-04

A-5

P/N 472128

Image 27
Contents For Your Safety Read Before Operating What to do if YOU Smell GASFor additional free copies of this manual call 800 Table of Contents Important Notices Code RequirementsOperation contd Warranty InformationSafety Rules Product IdentificationFor Your Safety Read Before Lighting Lighting InstructionsTo Turn OFF GAS to Heater Operating Controls Dual Temperature Control SystemWinter Operation Maintenance InstructionsEnergy Saving Tips Spring and Fall OperationAlkalinity High Low Maintenance contdChemical Balance If pH becomes too high over alkaline, it has these effectsSpecifications Installation InstructionsInstallation contd Plumbing ConnectionsPlumbing Insulating the High Limits Water ConnectionsGAS Connections GAS Line InstallationsRegulated Manifold Pressure Test Ventilation Outdoor Installation onlyFront Stack Type Indoor Draft Hood KIT Electrical MiniMax CH Millivolt Wiring DiagramHeater Short Cycling Rapid On and Off Operation Troubleshooting GeneralMinimax CH Heater ALL Models MiniMax CH Parts List MiniMax CH Parts List, contd Rev. C MiniMax CH 150 IID Model Operating Instructions To Turn OFF GAS to ApplianceOperation Safety Lockout Thermostat Knob Stopper Indicator Light DescriptionHeat Heat Troubleshooting ControlsTroubleshooting Controls Installation Transformer Wiring InstructionRegulated Manifold Pressure Test Diagram Electronic Ignition WiringWire Remote Remote Switch Dual Therm IID onlyMinimax CH Heater 150 IID Model MiniMax CH Parts List 150 IID Model MiniMax CH Parts List 150 IID Model, contd Rev. C Pentair Pool Products, Inc
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CH specifications

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