Groen HH/4 User Manual

OM-HH/4
SYMPTOM WHO
WHAT TO CHECK
Yindicates items which must be performed by an authorized technician.
16
Auth
Service
Rep Only
b. Thermostat calibration.Y
c. Thermostat operation.Y
d. Seat of the main automatic gas valve for dirt.Y
e. Solenoid plunger of the automatic valve for sticking.*Y
Kettle stops heating before it reaches
the desired temperature.
User a. Thermostat dial setting.
b. Is the ON/OFF switch ON?
c. Air in jacket - pressure/vacuum gauge (20 to 30 below
zero when the kettle is cold?)
Auth
Service
Rep Only
d. Thermostat calibration. Y
e. Thermostat. Thermostat should click when the dial is
rotated above and below a setting.Y
f. Pressure limit switch.Y
Kettle heats slowly User a. Air in jacket - pressure/vacuum gauge (20 to 30 below
zero when the kettle is cold?)
Auth
Service
Rep Only
b. Gas pressure at the automatic gas valve. Y
Safety valve pops. User a. Air in jacket - pressure/vacuum gauge (20 to 30 below
zero when the kettle is cold?)
b. Whether kettle was being heated while empty.
Auth
Service
Rep Only
c. Pressure limit switch. Y
d. Thermostat. Thermostat should click when the dial is
rotated above and below a setting. Y
e. Safety valve. If valve pops below 29 PSI, replace.Y
B. Model HH/4 with Standing Pilot Ignition (Refer to the electrical schematic)
Pilot burner will not light User a. Procedure. (See “Operation” section of this manual).
Auth
Service
Rep Only
b. Pilot tubing and orifice for clogging.Y
c. That pilot gas supply line is purged of air.Y
d. Gas pressure at the automatic valve.Y
Pilot flame goes out when reset
button is released.
User a. Procedure. (See “Operation” section of this manual).
Auth
Service
Rep Only
b. That electrical connections in the controls, including
ground connections are clean and secure.Y
Main burner will not light, and
previously lit pilot burner is out.
Auth
Service
Rep Only
a. Pilot tubing and orifice for clogging.Y
b. That electrical connections in the controls, including
ground connections are clean and secure.Y
c. Gas pressure at the automatic valve.Y
Main burner will not light, but pilot
burner is lit
Auth
Service
Rep Only
a. That electrical connections in the controls, including
ground connections are clean and secure.Y
b. That pressure limit switch is closed.Y
c. Low water cut-off for continuity, and the cutoff
transformer for proper input and output voltages.Y
d. That the low-water cutoff electrode is clean.*
e. That the pilot flame surrounds approximately ½ inch of
the tip of the thermocouple.Y — If not, check for:
(1) Clogging of the pilot burner.Y
(2) Air currents deflecting the pilot flame.Y
(3) Low gas pressure at the automatic valve.Y
f. That the thermocouple generates at least 17 mV at
the Basotrol valve terminal.Y
g. For a defective automatic gas valve.Y
C. Model HH/4 with Electronic Ignition (Refer to the electrical schematic)

Groen HH/4 Specifications

General

Brand	Groen
Model	HH/4
Category	Kettle
Language	English