Raypak 85 Indicator Leds And Faults, Green indicator LED Fig, Red indicator LED Fig, Ab C De Gf

Domestic hot water (with connection to an external water tank with probe)

The function starts if the temperature measured by the water tank probe falls below 40°F (4°C). In this mode, a heat demand is generated and the burner ignites at minimum power. This is maintained until the temperature of the delivery water reaches 95°F (35°C).

NOTICE: During the freeze protection mode, AF flashes on the display (Fig. 56)

-circulator anti-block:if the boiler remains inactive, the circulator performs a 30-second operating cycle every 24 hours. If the boiler is planned not to be used for a long period, proceed as follows:

-move the function selector to OFF-RESET

-turn the main system switch to “off”

8.INDICATOR LEDS AND FAULTS

Green indicator LED (Fig. 52)

Off = boiler on stand-by, no flame

On = burner on, the boiler works regularly.

Red indicator LED (Fig. 53)

Stop: just the fault code flashes on the digital display.

Block: the red indicator LED lights up and the fault code flashes on the digital display.

The fault code is not displayed in the OFF/RESET () mode. To

display it, move the function selector to , or F . During combustion analysis and the freeze protection mode, instead, it is displayed. To reset the boiler, turn the function selector to (OFF/ RESET) and then move it to be required position (Fig. 47). If the boiler still doesn’t work, call in the local Service Technician.

AB C DE

GF

APressure gauge

BGreen led

C2-digit LED display

DRed led

ETemperature selector space heating

FMode selector switch

GTemperature selector Domestic Hot Water*

* The parts of the manual refering to the DHW circuit should be only considered if a indirect water tank with sensor is installed, case B (Fig. 61)

Fig. 45

44