Vermont Casting NVBR36 사용자 설명서

9

24 VAC HOT

24 VAC RTN

ON-OFF

SWITCH

NOVA SIT 822 VALVE

HONEYWELL S8600 B IGNITION MODULE

120 VAC RTN

40VA 

TRANSFORMER

120 VAC HOT

FP670

NOVA SIT 822 VALVE WIRING DGRM. 

4/30/98

PILOT

1  5

3  4

MV     MVPV     PV GND

(BURNER)

24V

24V

SENSE

SPARK

U.S.: Consult the current National Fuel Gas Code, 
ANSI Z223.1/NFPA 54.
Canada: CSA - B149.1 installation code.
Test for leaks. Use a 50/50 solution of liquid soap and 
water to test for leaks at gas fittings and joints. Apply 
water/soap solution with brush only - do not over apply. 
NEVER test with an open flame.
The gas control is equipped with a captured screw type 
pressure test point, therefore it is not necessary to pro-
vide a 1/8" test point up stream of the control.
When using copper or flex connector use only ap-
proved fittings.  Always provide a union so that gas 
line can be easily disconnected for burner or fan servic-
ing.  See gas specification for pressure details and 
ratings. NOTE: If flex connector is used, it must be kept 
inside of the appliance. (Fig. 8)

1/2" Gas Supply

1/2" x 3/8" Shut-off Valve

3/8" Union

3/8" Nipple

3/8" 

Nipple

GF598

nvb GAS SUPPLY INSTALL

12/4/97

FP598

Fig. 8  Typical gas supply installation.

1. Thread wire through the electrical knockout located 

on side of unit. Do not cut wire or insulation on metal 
edges. Ensure that wire is protected. Run the other 
end to a conveniently located wall receptacle box.  

2. Attach wire to switch and install switch into receptacle 

box. Attach cover plate to switch.

3. Connect wiring to gas valve. Refer to Figure 9 or 10.

CAUTION:  Do not wire millivolt remote 
wall switch for gas appliance to a 120v 
power supply. 
For lighting instructions, see Page 14.

HV105

Generic Gas  Valve

9/22/99   djt

TPTH

TH

TP

Pilot

Thermodisk

On/Off 

Switch

Valve

HV105

Fig. 9  Remote switch wiring for R Models.

Fig. 10  Remote switch wiring for E Models

FP670

Thermodisk