68-0046—4
8
Fig. 10—Installing thermocouple to the power
unit.
VR8200, VR4200
INSTALLATION
THERMOCOUPLE
LEAD
ECO
CONNECTOR
1
THIS IS AN ELECTRICAL CONECTION AND MUST BE
CLEAN AND DRY. DO NOT USE PIPE COMPOUND.
M3095
1
Fig. 11—Wiring connections for 24 volt control.
L1
HOT
L2
1
24 V
THERMOSTAT
OPTIONAL
CONVENIENCE
TERMINALS
TH/TR
TH
TR
GAS CONTROL
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
M2915
Fig. 12—Wiring connections for 120 volt
control.
120V
THERMOSTAT
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.
L1
(HOT)
L2
1
HIGH LIMIT
CONTROLLER
M3092A
GAS CONTROL TERMINALS
L2
L1
2
3
1
2
3
Fig. 9—Always use new compression fitting.
Connect Thermocouple
Connect thermocouple lead as shown in Fig. 10. This
is an electrical connection and must be clean and dry.
Never use pipe compound. Tighten only 1/4 turn beyond
finger tight to give good electrical continuity. Do not
overtighten.
WIRING
Follow the wiring instructions furnished by the appli-
ance manufacturer, if available, or use the general instruc-
tions provided below. Where these instructions differ
from the appliance manufacturer, follow the appliance
manufacturer instructions.
All wiring including 1/4 in. quick-connect terminals,
must comply with applicable electrical codes and ordi-
nances.
Disconnect power supply before making wiring con-
nections to prevent electrical shock or equipment damage.
1. Check the power supply rating on the valve and
make sure it matches the available supply. Install thermo-
stat, and other controls as required.
2. For the VR4200, when the gas control is installed
external to the appliance, install the conduit cover on the
conduit fitting. Do not secure conduit cover at this time.
3. Connect control circuit to gas control terminals. See
Figs. 2, 3 and 11, 12.
NOTE: Use leadwires with insulated terminals.
4. For the VR4200, make sure the conduit cover is in
position and secured to the gas valve with the screw
provided. See Fig. 5.
5. Adjust thermostat heat anticipator as instructed in
the appliance manual (i.e., usually 0.1A for VR4200
and 0.5A for VR8200).
Connect Supplementry Limit or ECO (If Used)
The leadwires from the high limit or ECO must be
equipped with insulated 1/4 in. female quick-connect
terminals. Leadwire lengths must not exceed the lengths
shown in Tables 5 and 6. Connect the high-limit or ECO
leadwires to the two terminals on the ECO connector.
GAS CONTROL BODY
TIGHTEN NUT ONE TURN
BEYOND FINGER TIGHT
FITTING BREAKS OFF AND CLINCHES
TUBING AS NUT IS TIGHTENED
TO
BURNER
M3076A