Thermostat Operation And Wall Switch Kit Connections - Mendota CHELSEA M-27 Installation & Operating Instruction Manual

THERMOSTAT OPERATION AND WALL SWITCH KIT CONNECTIONS

A millivolt rated wall thermostat is supplied with this fireplace. The thermostat should be placed in the same room as the
fireplace, approx. 4-5 ft. off the floor (out of reach of children). DO NOT place thermostat within 8 feet of this fireplace or
on an outside wall.
CAUTION: Burner should light immediately after turning thermostat "on". If burner does not come on immediately, turn
the thermostat off and wait 60 seconds before turning on again. If burner does not come on immediately after second try
recheck complete installation of logs, pilot, vent system, etc. To insure proper pilot flame impingement on the thermopile,
log and coals positioning and prompt burner ignition. Do not operate fireplace if burner does not light immediately. Call
service technician.
NEVER TURN BURNER ON & OFF "QUICKLY" - ALWAYS WAIT 60 SECONDS!
When using remote control, be sure to hold in button firmly until unit lights. DO NOT push button and release quickly be-
fore burner lights. Burner should light IMMEDIATELY and then button can be released. If unit does not light immediately,
release button, wait 60 seconds and repeat lighting procedure. If burner does not come on immediately after second try
recheck complete installation. If necessary, contact your Mendota dealer.
CAUTION: THIS CONTROL IS A MILLIVOLT SYSTEM. NO ADDITIONAL POWER SUPPLY CAN OR SHOULD BE USED.
NOTE: If thermostat is located over 25 ft. from fireplace the pilot flame may need to be increased to provide thermopile
output up to 750 millivolt.
Use two-wire, solid copper lead wires per chart and install as
shown in the diagram below.
NOTE: Thermostat Must Be 460-750 Millivolt Rated
CAUTION: THIS CONTROL IS A MILLIVOLT SYSTEM. NO ADDITIONAL
POWER SUPPLY CAN OR SHOULD BE USED.
Figure 39: Thermostat Wiring
WHEN USING WALL THERMOSTAT
WIRE SIZE
14 GA.
16 GA.
18 GA.
20 GA.
22 GA.
- 57 -
RECOMMENDED MAXIMUM
LEAD LENGTH (TWO-WIRE)
(CP-2 SYSTEM)
MAX. LENGTH
100 FT.
64 FT.
40 FT.
25 FT.
18 FT.
PILOT GAS LINE
TO TH
WALL SWITCH
OR
TO THTP
THERMOSTAT