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OPT IONS / A C C ESSORIES
Item Description
COOLING SYSTEM
Condensate Drain Trap
Corrosion Protection
Drain Pan Overflow Switch
Refrigerant Type
Service Valves (not for Humiditrol
HEATING SYSTEM
Bottom Gas Piping Kit
Combustion Air Intake Extensions (order two)
Gas Heat Input
Low Temperature Vestibule Heater
LPG/Propane Conversion Kits
(Order 2 kits)
Stainless Steel Heat Exchanger
Vertical Vent Extension Kit (Order two kits)
BLOWER - SUPPLY AIR
Blower Option
SZVAV (Single Zone Variable Air Volume) - With VFD Bypass Control
SZVAV (Single Zone Variable Air Volume) - Without VFD Bypass Control
Motors
Drive Kits
See Blower Data Tables for usage and
selection
NOTE - Catalog numbers shown are for ordering optional accessories if a field installed option is available.
OX - Configure To Order (Factory Installed) or Field Installed
O = Configure To Order (Factory Installed)
X = Field Installed
™
+ equipped units)
VAV (Variable Air Volume) - Without VFD Bypass Control
Belt Drive (standard efficiency) - 2 hp
Belt Drive (standard efficiency) - 3 hp
Belt Drive (standard efficiency) - 5 hp
Belt Drive (standard efficiency) - 7.5 hp
Belt Drive (standard efficiency) - 10 hp
Page 2
PVC
Copper
Low - 169,000 Btuh
Standard - 260,000 Btuh
Medium - 360,000 Btuh
High - 480,000 Btuh
208/230V-3ph
460V-3ph
575V-3ph
Low Heat
Standard Heat
Medium Heat
High Heat
Kit #1 535-725 rpm
Kit #2 710-965 rpm
Kit #3 685-856 rpm
Kit #4 850-1045 rpm
Kit #5 945-1185 rpm
Kit #6 850-1045 rpm
Kit #7 945-1185 rpm
Kit #8 1045-1285 rpm
Kit #10 1045-1285 rpm
Kit #11 1135-1365 rpm
Blower Belt Auto-Tensioner
Unit Model No
Catalog
Number
156 180 210 240 300
22H54
OX
OX
OX
76W27
X
X
X
Factory
O
O
O
21Z07
OX
OX
OX
R-410A
O
O
O
Factory
O
O
O
85M31
OX
OX
OX
89L97
X
X
X
Factory
O
O
O
Factory
O
O
O
Factory
O
O
O
Factory
O
O
22H58
OX
OX
OX
22H59
OX
OX
OX
22V43
OX
OX
OX
14N28
X
X
X
14N28
X
X
X
14N29
X
X
X
14N30
X
X
Factory
O
O
O
42W16
X
X
X
Factory
O
O
O
Factory
O
O
O
Factory
O
O
O
Factory
O
Factory
O
O
O
Factory
O
O
O
Factory
O
O
Factory
Factory
O
O
O
Factory
O
O
O
Factory
O
O
O
Factory
O
O
O
Factory
O
O
O
Factory
O
O
Factory
O
O
Factory
O
O
Factory
Factory
Factory
O
O
O
OX
OX
X
X
O
O
OX
OX
O
O
O
O
OX
OX
X
X
O
O
O
O
O
O
OX
OX
OX
OX
OX
OX
X
X
X
X
X
X
O
O
X
X
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
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