Burner Orifice - Carrier 59MN7A Installation, Start-Up, Operating And Service And Maintenance Instructions

MODULATING
ON/OFF Switch
Turn screw 1 click per
second to adjust rate.
Clockwise to increase
rate, counter clockwise
to decrease rate.
Inlet
Pressure Tap
Fig. 52 - - Gas Valve
Min/Max Heat Adust
(Under Cap)
1/2" NPT Outlet
Manifold
Pressure Tap
A10496
THERMOSTAT SUBBASE
TERMINALS WITH
THERMOSTAT REMOVED
(ANITICIPATOR, CLOCK, ETC.,
MUST BE OUT OF CIRCUIT.)
HOOK-AROUND
AMMETER
R Y W G
10 TURNS
FROM UNIT 24-V
CONTROL TERMINALS
= 0.5 AMPS FOR THERMOSTAT
EXAMPLE: 5.0 AMPS ON AMMETER
10 TURNS AROUND JAWS
Fig. 54 - - Amp. Draw Check with Ammeter
70
Fig. 53 - - Orifice Hole
ANTICIPATOR SETTING
BURNER
ORIFICE
A93059
A96316