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NBST27 Unvented Gas Log Set
CONNECT REMOTE RECEIVER
1. Set remote receiver. Refer to instructions included in
the receiver kit.
2. Connect the two (20
TH and TH terminals on the control valve.
NOTE: Do not allow wires touch grate or 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.
Check
Test
To Test
A
Complete System
B
Thermopile Output
Figure 15 -
Install Remote Receiver
14
Monessen • NBST27 Gas Log Set Installation/Owner's Manual • 81D3032 • Rev A • 08/16
⁄
" female connectors to the TP/
1
4
Connect Meter
Leads to Terminal
Remote
Wires
Remote
Receiver
ELECTRICAL WIRING — MILLIVOLT
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.
Switch or Thermostat
Contacts
2 & 3
1 & 2
Remote Wire
Connectors
Valve
FP2376
remote switch
Meter Should Read
Closed
Open
FP2376
Minimum 175
Minimum 500
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