GUIDE SPECIFICATIONS
SPB − 3 to 5 Ton R−410A Heat Pump
Outdoor Units
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6.
Compressor:
a.
Two Stage
b.
Scroll type
c.
Resiliently mounted on rubber mounts for vibration isolation
d.
Internal excessive current and temperature protection
e.
Crankcase heater
f.
[Outdoor Thermostat Kit – Field installed]
7.
Refrigerant System:
a.
Refrigerant: R410−a
b.
Units to come pre−charged
c.
Outdoor Coil Fan:
1)
Direct drive fan
2)
Vertical air discharge
3)
Totally enclosed fan motor with sleeve bearings
4)
Inherently protected fan motor
5)
Corrosion resistant PVC coated steel fan guard
6)
Removable fan guard for fan service access
d.
Copper Tube/Fin Coil:
1)
Copper tube
2)
Flared shoulder connections
3)
Silver solder construction
4)
Lanced, ripple−edged aluminum fins
5)
Coil is leak tested at factory
e.
Entire coil to be accessible for cleaning Standard factory installed features:
1)
Expansion valve to be factory piped
2)
Discharge temperature switch
3)
High pressure switch
4)
Low pressure switch
5)
Hi−capacity liquid line drier
6)
Four (4) – way reversing valve
f.
[Options]:
1)
[Field installed expansion valve kits]
2)
[Freezestat that opens at 29
°
F and closes at 58
°
F]
3)
[Refrigerant Line Kit]
8.
See manufacturers documentation for matching add−ons:
a.
Air handlers
b.
Furnaces:
1)
Dual fuel applications
2)
[FM21
®
dual fuel furnace control]
9.
Installer must:
a.
Set heat pump
1)
Connect refrigerant lines
2)
Make electrical connections
Specifier Note: Edit article below to suit project requirements. If substitutions are permitted, edit text below. Add text to
refer to Division 01 Project Requirements (Product Substitutions Procedures) Section
.
