5 69-0624—2
Fig. 7—Installing thermocouple to the power
unit.
1
THERMOCOUPLE
LEAD
1
THIS IS AN ELECTRICAL CONECTION AND MUST BE CLEAN
AND DRY. DO NOT USE PIPE COMPOUND.
M8576
WIRING
CAUTION
Disconnect power supply before making wiring
connections to prevent electrical shock or equip-
ment damage.
Follow the wiring instructions furnished by the appliance
manufacturer, if available, or use the general instructions.
All wiring must comply with applicable electrical codes
and ordinances.
1. Check the power supply rating on the gas control and
make sure it matches the available supply. Install trans-
former, thermostat, and other controls as required.
2. Connect control circuit to gas control terminals. See
Figs. 4, 8, and 9.
3. Adjust thermostat heat anticipator to 0.70 rating
stamped on valve operator.
Fig. 8—VR8300 wiring connections for 24 volt
control.
L1
(HOT)
L2
1
24 V
THERMOSTAT
OPTIONAL
CONVENIENCE
TERMINALS
TH/TR
TH
TR
VR8300 TERMINALS
HIGH LIMIT
CONTROLLER
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
DO NOT JUMPER THESE TERMINALS. THIS SHORTS VALVE COIL
AND MAY BURN OUT ANTICIPATOR IN THERMOSTAT.
CONVENIENCE TERMINALS SERVE AS A TIE POINT ONLY. THEY
ARE NOT INTERNALLY WIRED TO THE CONTROL CIRCUIT
OR TO GROUND.
OPTIONAL HIGH LIMIT.
1
2
3
4
2
3
4
M8581
Fig. 9—VR8301 wiring connections for 24 volt
control.
L1
(HOT)
L2
1
24 V
THERMOSTAT
MV/PV
PV
VR8301
TERMINALS
HIGH LIMIT
CONTROLLER
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
DO NOT JUMPER THESE TERMINALS. THIS SHORTS VALVE COIL
AND MAY BURN OUT ANTICIPATOR IN THERMOSTAT.
OPTIONAL HIGH LIMIT.
1
2
3
2
3
M8580
MV
TABLE 6—MAXIMUM LENGTH OF SUPPLEMENTARY LIMIT LEADWIRES
WHEN USING Q340A THERMOCOUPLE.
Maximum Leadwire Length x 2 (Wires)
Thermocouple Length Awg No. 14 Awg No. 16 Awg No. 18
Inches Meters Inches Meters Inches Meters Inches Meters
18 0.5 .35 0.9 22 0.6 13 0.3
24 0.6 . 29 0.7 18 0.5 11 0.3
30 0.8 .23 0.6 15 0.4 9 0.2
36 0.9 .17 0.4 11 0.3 6 0.2
48 1.2 DO NOT USE.
60 1.5
To Next Page
Loading...
