Standard Features and Options

Features	R10 & R15	R20A/W - R235A/W	R275A/W & up
Features	R10 & R15	(ADR15A/W - ADR120A/W)	(ADR140A/W & up)
Float drain	Std.	Opt.	Opt.
Drain with adjustable on and off time	Opt.	Std.	Std.
Drain manual override, and memory	Opt.	Std.	Std.
Power cord and plug	Std.	Opt.	Opt.
Compessor overload	Std.	Std.	Std.
Start relay	Std.	Std.	Std.
Easy-access cabinet	Std.	Std.	Std.¹
Power switch with indicator	Opt.	Std.	Std.
High temperature light (single phase only)	Opt.	Std.	Opt.
Refrigerant analyzer gauge	Opt.	Std.	Opt.
Micro Monitor & Controller	Opt.	Std.²	Opt.
Performance monitor	Opt.	Opt.	Std.³
Fan cycling	Opt.	Opt.	Std.*
Refrigerant high pressure safety	Opt.	Opt.	Std.
Refrigerant low pressure safety	Opt.	Opt.	Std.
Secondary heat exchanger drain	Opt.	Opt.	Std.**
Crank case heater	Opt.	Opt.	Std.
Additional instrumentation and gauges	Opt.	Opt.	Opt.
Dew point meter	Opt.	Opt.	Opt.
NEMA 4, 7, and 12	Opt.	Opt.	Opt.
Cold coalescer	Opt.	Opt.	Opt.

Superior By Design

R-134a and R-22: Environmentally safer now standard

Because R-134a contains no chlorine, it has an ozone depletion potential of ZERO. It is now standard in PIONEER models R10A/W through R150A/W and ADR15A/W through ADR75A/W.

R-22 is standard and R-134a is optional in larger sizes.

Environmental Factors

Refrigerant	ODP*	GWP**
R-12	1.0	3.0
R-502	0.31	5.0
R-22	0.055	0.36
R-134a	ZERO	0.76

* Ozone Depletion Potential
** Global Warming Potential