176 RT-SVX36G-EN
Maintenance
Table 61. Filter data
Unit Model
(AC/EC)
Panel-Type Filters
(a)
Bag-Type Filters
(b)
Cartridge Filters (box-
type)
(b)
Panel-Type
Prefilters
(c)
Qty Size of each Qty. Size of each Qty. Size of each Qty. Size of each
20 & 25 / 24 & 29 Ton 12 20 X 20 X 2
4 12 X 24 X 19 4 12 X 24 X 12 4 12 X 24 X 2
3 24 X 24 X 19 3 24 X 24 X 12 3 24 X 24 X 2
30/36 Ton 16 20 X 20 X 2
2 12 X 24 X 19 2 12 X 24 X 12 2 12 X 24 X 2
6 24 X 24 X 19 6 24 X 24 X 12 6 24 X 24 X 2
40/48 Ton 16 20 X 25 X 2
5 12 X 24 X 19 5 12 X 24 X 12 5 12 X 24 X 2
6 24 X 24 X 19 6 24 X 24 X 12 6 24 X 24 X 2
50, 55 / 59 Ton 20 20 X 25 X 2
3 12 X 24 X 19 3 12 X 24 X 12 3 12 X 24 X 2
9 24 X 24 X 19 9 24 X 24 X 12 9 24 X 24 X 2
60, 70 & 75 /
73, 80 & 89 Ton
35 16 X 20 X 2
6 12 X 24 X 19 6 12 X 24 X 12 6 12 X 24 X 2
8 24 X 24 X 19 8 24 X 24 X 12 8 24 X 24 X 2
90-130 25 24 X 24 X 2
3 12 X 24 X 19 3 12 X 24 X 12 3 20 X 24 X 2
15 24 X 24 X 19 15 24 X 24 X 12 15 24 X 24 X 2
(a) Dimensions shown for “Panel-Type Filters” apply to “Throw away”, “Cleanable Wire Mesh”, and “High Efficiency Throw away” Filters.
(b)S_HL units ordered with “Bag-Type Filters” or “Cartridge Filters” (box-type) include a bank of “Panel-Type Prefilters”
(c) The same “Panel-Type Prefilters” are used with “Bag-Type” and “Cartridge (box-type)” filters.
Table 62. “Wet heat” coil fin data
Unit Model
(AC/EC) Coil Type Coil Rows
Total Coil Face
Area (sq. ft.)
Fins per
Foot
Fins per
Foot
20, 25, 30 / 24, 29, 36 Ton WC Prima Flo (hot water) 2 13.75 80 110
40, 50, 55 / 48, 59 Ton WC Prima Flo (hot water) 2 19.25 80 110
60, 70, 75 / 73, 80, 89 Ton WC Prima Flo (hot water) 2 26.25 80 110
40, 50 / 48, 59 Ton NS (steam) 1 13.75 (1) 5.5 (1) 42 96
90-130 Ton NS (steam) 1 17.5 (2) 52 96
Note: To determine unit heating capacity (i.e. “low heat” or “high heat”), see digit 9 of the model number stamped on the unit
nameplate.
Table 63. Grease recommendations
Recommended Grease Recommended Operating Range
Exxon Unirex #2
Mobil 532
Mobil SHC #220
Texaco Premium
-20°F to 205°F
Table 64. Refrigerant coil fin data
Condenser Coil
Evaporator Coil Aluminum Fins Copper Fins
Tonnage
Size
(ft2)
Rows/Fin
Series
Tube Diameter/
Surface
Size
(ft2)
Rows/Fin
Series
Tube Diameter/
Surface
Rows/Fin
Series
Tube Diameter/
Surface
20 20.3 4/168 1/2/Enhanced 58 3/252 5/16/Enhanced 3/156 5/16/Enhanced
25 20.3 4/168 1/2/Enhanced 58 3/252 5/16/Enhanced 3/156 5/16/Enhanced
30 25.5 5/168 3/8”/Enhanced 58 4/252 5/16/Enhanced 4/156 5/16/Enhanced
40 32.5 5/168 3/8”/Enhanced 116 3/252 5/16/Enhanced 3/156 5/16/Enhanced
50, 55 38 4/168 1/2/Enhanced 116 4/252 5/16/Enhanced 4/156 5/16/Enhanced