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Model number nomenclature
50KQL07SAEC101AA
Aquazone™ High-Efficiency R-22
Water Source Heat Pump
50KQL – Console Unit
Size – Nominal Capacity (Tons)
07 – 1/2
09 – 3/4
12 –1
15 – 1 1/4
19 – 1 1/2
Power Termination
A – Field-Connected Hard Wired
B – 20A Plug and Cord**
D – Disconnect switch, 15A fuse
F – Disconnect switch, non-fused
H – 20A Plug, Cord, Receptacle,
Disconnect Switch, 15A Fuse
K – 20A Plug, Cord, Disconnect
Switch, No Fuse
Packaging
1 – Domestic
Revision Code
0 – Current revision
Power Supply
1 – 115V-1 Ph-60 Hz††
3 – 208/230V-1 Ph-60 Hz
4 – 265V-1 Ph-60 Hz**
Heat Exchanger and Operating Range
C – Copper heat exchanger, standard range
(60 to 95 F)
E – Copper heat exchanger, extended range (20 to 110 F)
F – Cupronickel heat exchanger, extended range
(20 to 110 F)
N – Cupronickel heat exchanger, standard range
(60 to 95 F)
Cabinet, Subbase and Mute Package Options
Std Mute Cabinet Subbase
AT Bottom return 3 in. Subbase
BU Bottom return 3 in. Subbase with
Motorized Damper
CV
Bottom return
5 in. Subbase with
Motorized Damper
DW Bottom return NO BASE
EY Bottom return 3 in. Subbase
Locking control door
FZ Bottom return 3 in. Subbase with
Locking control door Motorized Damper
G1 Bottom return 5 in. Subbase with
Locking control door Motorized Damper
H2 Bottom return NO BASE
Locking control door
J3 Front return NO BASE
K4 Front return NO BASE
Locking control door
L5 NO CABINET 3 in. Subbase
M6 NO CABINET 3 in. Subbase with
Motorized Damper
N7 NO CABINET 5 in. Subbase with
Motorized Damper
P8 NO CABINET NO BASE
Q9 NO CABINET 5 in. Subbase
R0 Bottom return 5 in. Subbase
SO Bottom return 5 in. Subbase
Locking control door
Water Supply Orientation
*
R – Right Hand
L – Left Hand
Water Circuit Options
Connection Type Valve Option
A – Sweat 2-Way Water Control Valve
B – Sweat Autoflow Regulator, 2.25 gpm/ton
C – Sweat Autoflow Regulator, 3.0 gpm/ton
D – Sweat 2-Way Water Control Valve with
Autoflow Regulator, 2.25 gpm/ton
E – Sweat 2-WayWater Control Valve with
Autoflow Regulator, 3.0 gpm/ton
F – FPT None
G – FPT 2-Way Water Control Valve
H – FPT Autoflow Regulator, 2.25 gpm/ton
J – FPT Autoflow Regulator, 3.0 gpm/ton
K – FPT 2-Way Water Control Valve with
Autoflow Regulator, 2.25 gpm/ton
L – FPT 2-Way Water Control Valve with
Autoflow Regulator, 3.0 gpm/ton
M – MPT None
N – MPT 2-Way Water Control Valve
P – MPT Autoflow Regulator, 2.25 gpm/ton
Q – MPT Autoflow Regulator, 3.0 gpm/ton
R – MPT 2-WayWater Control Valve with
Autoflow Regulator, 2.25 gpm/ton
S – Sweat None
T – MPT 2-Way Water Control Valve with
Autoflow Regulator, 3.0 gpm/ton
*
Right and left hand orientation is determined by looking at front of unit.
†
For these options, unit must be hard wired (digit 15 must be “A”).
Control Options
A – Manual Changeover with Complete C
B – Manual Changeover with Deluxe D
C – Auto Changeover with Complete C
D – Auto Changeover with Deluxe D
P – PremierLink™ DDC Control†
R – Remote Thermostat with Complete C
S – Remote Thermostat with Deluxe D
*Right and left hand orientation is determined by looking at front of unit.
†Available with Complete C only.
**20A plug and cord not available for 265V units.
††Sizes 07,09,12 only.