Lennox GCWB95W-150 Application Guide

13
OPTIONAL EQUIPMENT
Optional Equipment
IMPORTANT: Sensors supplied with this boiler are proprietary to the manufacturer. Use of alternate market sensors
WILL diminish boiler performanc
e.
1. 1k Ω Outdoor Air Sensor, if used.
A. Boiler automatically recognizes sensor when used.
B. See Chart 1 for sensor data. Sensor part number BD710487302V
C. Locate outdoor sensor to protect against wind and direct sunlight. Mounting instructions provided with sensor.
D. Maximum wire length is 100 ft (30m) for 22 ga. wire, or 150 ft (45m) for 18 ga. wire.
E. Connect wires to M2 OUTDOOR SENSOR terminals 4 & 5. Wires are interchangeable. See Accessories.
CHART 1 -1k Ω OUTDOOR AIR SENSOR DATA
T R T R
[°F] [Ohm] [°F] [Ohm]
-4.0 7,578 53.6 1,690
-2.2 7,193 55.4 1,621
-0.4 6,831 57.2 1,555
1.4 6,489 59.0 1,492
3.2 6,166 60.8 1,433
5.0 5,861 62.6 1,375
6.8 5,574 64.4 1,321
8.6 5,303 66.2 1,268
10.4 5,046 68.0 1,218
12.2 4,804 69.8 1,170
14.0 4,574 71.6 1,125
15.8 4,358 73.4 1,081
17.6 4,152 75.2 1,040
19.4 3,958 77.0 1,000
21.2 3,774 78.8 962
23.0 3,600 80.6 926
24.8 3,435 82.4 892
26.6 3,279 84.2 858
28.4 3,131 86.0 827
30.2 2,990 87.8 796
32.0 2,857 89.6 767
33.8 2,730 91.4 740
35.6 2,610 93.2 713
37.4 2,496 95.0 687
39.2 2,387 96.8 663
41.0 2,284 98.6 640
42.8 2,186 100.4 617
44.6 2,093 102.2 595
46.4 2,004 100.4 617
48.2 1,920 102.2 595
50.0 1,840 104.0
575
51.8 1,763 106.0 556
PN 240012998 REV A [04/15/2020]

Lennox GCWB95W-150 Specifications

General

Brand	Lennox
Model	GCWB95W-150
Category	Boiler
Language	English