Q335 Installation Instructions

ManualsBrandsHoneywell ManualsReplacement Parts30 mV Thermocouple w. 11/32-32 Male Con. for Q313

X-XX UL

INSTALLATION INSTRUCTIONS

®U.S. Registered Trademark

Q335 Quick Dropout

Thermocouple

APPLICATION

The Q335 Quick Dropout Thermocouple replaces the

original thermocouple used to hold in the power unit

of the VS8520 Millivolt Gas Valve. It installs in the

Q382 Pilot Burner and can be replaced without

removing the pilot burner or the associated thermo-

pile. See Fig. 1.

TEMPERATURE RATINGS:

Hot Junction: 1400 F [760 C].

Cold Junction: 780 F [416 C].

INSTALLATION

WHEN INSTALLING THIS PRODUCT...

1. Read these instructions carefully. Failure to

follow them could damage the product or cause

a hazardous condition.

2. Check the ratings and description given in the

instructions to make sure the product is suitable

for your application.

3. Installer must be a trained, experienced service

technician.

4. After installation is complete, check out product

operation as provided in these instructions.

WARNING

Fire or Explosion Hazard.

Can cause property damage,

Severe injury, or death.

Turn off gas supply at appliance service valve

before beginning installation procedure to avoid

dangerous accumulation of fuel gas.

Remove Old Thermocouple

1. Hold the pilot burner assembly with one hand.

With the other hand, loosen and remove the nut

holding the thermocouple in the pilot burner. (Be

careful not to damage or reposition the pilot

burner.) See Fig. 1.

2. When the nut has been removed, pull the old

thermocouple down and out of the pilot burner.

3. Remove the nut at the other end of the thermo-

pile that connects it to the power unit of the

VS8520. Then remove the thermocouple lead

from the VS8520.

4. Discard the old thermocouple.

Fig. 1. Replacing the Q335 in the pilot burner

bracket of the VS8520.

THERMOPILE

HIGH LIMIT

CONTROL

MILLIVOLT

THERMOSTAT

OFF

PILOT

VS8520 HI/LO

MILLIVOLT

GAS VALVE

ELECTRODE

TARGET

QUICK DROP-OUT

THERMOCOUPLE

THERMOPILE

ATTACHMENT

NUT

HI/LO

REGULATOR

M12848

GAS

CONTROL

KNOB

PILOT

ADJUSTMENT

SCREW

PILOT BURNER

ASSEMBLY

69-1191

Summary of content (2 pages)

PAGE 1
Q335 Quick Dropout Thermocouple INSTALLATION INSTRUCTIONS APPLICATION The Q335 Quick Dropout Thermocouple replaces the original thermocouple used to hold in the power unit of the VS8520 Millivolt Gas Valve. It installs in the Q382 Pilot Burner and can be replaced without removing the pilot burner or the associated thermopile. See Fig. 1. PILOT BURNER ASSEMBLY THERMOCOUPLE TEMPERATURE RATINGS: Hot Junction: 1400 F [760 C]. Cold Junction: 780 F [416 C].
PAGE 2
Q335 QUICK DROPOUT THERMOCOUPLE Install New Thermocouple Adjust Pilot Flame 1. Hold the pilot burner assembly with one hand. With the other hand, insert the new thermocouple in the pilot burner, pushing the thermocouple into the pilot burner until it stops. See Fig. 1. 2. Engage attachment nut threads and firmly tighten the nut. 3. Connect the female end of the thermocouple lead to the power unit of the VS8520. 4.