Trane SCRH, SCWH Isolator Placement, pre-installation Installation considerations, 1 7/8, 3 3/4

Isolator Placement

Note: Isolators are field-provided.

pre-installation

Installation considerations

Table I-PC-1. Isolator load points, units with a vertical discharge configuration, lbs.

model	L1	L2	L3	L4	L1	L2	L3	L4
		SCRB/SIRB				SCWB/SIWB
3-ton	99	105	120	127	105	133	118	124
5-ton	115	122	157	166	129	165	166	165
7.5-ton	154	203	227	221	177	234	230	231
10-ton	208	266	273	253	263	334	293	300
15-ton	243	332	359	356	315	388	382	375

Table I-PC-2. Isolator load points, units with a horizontal discharge configuration, lbs.

model	L1	L2	L3	L4	L1	L2	L3	L4
		SCRB/SIRB				SCWB/SIWB
7.5-ton	250	108	313	135	285	126	319	140
10-ton	318	150	363	169	383	211	383	211
15-ton	404	166	510	210	514	215	514	215

Table I-PC-3. Isolator load points & types, units with a horizontal discharge, inverted “L” configuration, lbs.

		air-cooled models				water-cooled models
	L1	L2	L3	L4	L1	L2	L3	L4
10-ton unit
	318	150	363	169	383	211	383	211
spring	red	yellow	red	yellow	red	yellow	red	yellow
rubber-in-shear	green	red	green	red	green	red	green	red
15-ton unit	404	166	510	210	514	215	514	215
spring	purple	yellow	purple	yellow	purple	yellow	purple	yellow
rubber-in-shear	gray	red	gray	red	gray	red	gray	red

Note: Units ship with two different color isolators and should be placed as depicted in this chart to properly support the unit weight. See Figures I-PC-1 & I-PC-2 for correct isolator positions by unit size.

3, 5, & 7.5-ton units

bottom view of unit

L1 L3

L2L4

7/8” dia. hole under all 4 corners

10 & 15-ton units

bottom view of unit

L1 L3

L2	L4
1 7/8
9/16” dia. hole under all 4 corners

1 3/8

1 7/8	3 3/4
Figure I-PC-1. Isolator mounting hole locations on 3, 5, &	Figure I-PC-2. Isolator mounting hole locations on 10 & 15-
7.5-ton units	ton units

PKG-SVX14A-EN 9