15
81D3032
NBST27 Unvented Gas Log Set
ELECTRICAL WIRING - MILLIVOLT
CONNECT REMOTE RECEIVER
1. Set remote receiver. Refer to instructions included in
the receiver kit.
2. Connect the two (20 1/4” female connectors to the TP/
TH and TH terminals on the control valve.
NOTICE
Do not allow wires to touch grate of
burner.
NOTE:
Heat reduces battery life. Protect the receiver and
extend battery life by mounting receiver in wall or other
location outside the fireplace.
CHECkING SYSTEM OPERATION
The millivolt system and individual components may be
checked with a millivolt meter having a 1-1000 mV range.
Conduct each check shown in chart by connecting meter
test leads to terminals as indicated.
Connect
Switch or
Meter
Check
Meter Leads
Thermostat
Reading
Test
To Test
To Terminals
Contacts
Should Be
A
Complete
2 & 3
Closed
Minimum 175
System
B
Thermopile
1 & 2
Open
Minimum 500
Output
A. Complete Millivolt System Check
(“A” Reading - Thermostat contacts CLOSED - Control
knob “ON” - Main burner should turn ON)
1. If reading is more than 175 millivolts and the au-
tomatic valve still does not come on, replace the
control.
2. If the closed circuit reading (“A” reading) is less
than 175 millivolts, determine cause for low read-
ing, proceed to Section B.
B. Thermopile Output Reading Check
(“B” Reading - thermostat contacts OPEN - Main burn-
er OFF
1. Check gas pressure to the unit. If gas pressure is
within minimum and maximum on data plate, then
check pilot voltage, 500 millivolts minimum. If the
minimum millivolt reading is not obtainable, replace
pilot.
FP2376
remote switch
Remote
Wires
Remote
Receiver
Remote Wire
Connectors
Valve
FP2376
Figure 16 -
Install Remote Receiver