Navien NPE-240A Service Manual

System Details 45
Item Description Display method
(N)Number of currently
working cascade units
Number of actually working units in the
current cascade system
CASCADE OFF
CASCADE ON: Display of the number of working units
Ex) 8 units working
(O)Cascade information
Cascade ON/OFF condition display
Individual Master/Slave number and
operation condition display
Segment display: ID+o(ON)/X(OFF)
CASCADE OFF
CASCADE ON: MASTER UNIT, standby ON
CASCADE ON: MASTER UNIT, standby OFF
CASCADE ON: SLAVE UNIT, standby ON
ex) ID 12
CASCADE ON: SLAVE UNIT, standby OFF
ex) ID 12
(P) Information on gas
type
Displays the current gas
<panel version : after v1.3>
NG
LPG

Navien NPE-240A Specifications

General

Type	Tankless
Fuel Type	Natural Gas or Propane
Energy Factor	0.97
Energy Efficiency	97%
Voltage	120V
Ignition Type	Electronic
Maximum Input	199, 900 BTU/h
Water Connection Size	3/4"
Gas Connection Size	3/4"
Warranty	15-year on heat exchangers, 5-year on parts, 1-year on labor
Dimensions	17.3" W x 13.2" D x 27.4" H