6
Major Component Replacements
KNHE28
K2NHE28
Blower/Motor Assembly
KBB36
K2BB36
Capacitor
0452-03
0452-03
Blower Motor
0261-120
0261-121
Coil
0666-35
0666-35
Accessories
■
Automatic Water Flow Control
■
High Water Level Detector
■
Internal corrosion resistant coatings
■
Low Airflow Detector
■
Other voltages and frequencies
■
Special materials or finishes
■
Special motors, line cords or
connectors
■
Temperature Alarm
6 2
8 4
7 3
1 0
BLOWER
MTR
LEVEL SWITCH
SOLENOID
WE
BK
BK
BK
BL
WE
RELAY
STD. PLUG
WITH GND.
N.O.
CAPACITOR
N.O.
N.C.
ALARM
TSTAT
AIR FLOW SWITCH
BLOCK
TERM.
TSTAT
CONT.
OPTIONS
Wiring Diagram
WD-394
NOTE: Part Numbers shown are for 60Hz/1Ø. For 50Hz consult Kooltronic.
Technical Data
* 60 Hz. operation. For 50 Hz operation, consult Kooltronic.
Model
Volts
Power
Amps
Watts
Maximum Inlet
Water Temp.
ºF (ºC)
Performance
Watts/ºF (Watts/ºC)
1 GPM
2 GPM
BTU/H (Watts) @
95ºF(35ºC) Enclosure Air Temp.
50ºF(10ºC) Inlet Water Temp.
1 GPM
2 GPM
Approx.
Weight
lbs. (kg.)
KNHE28
115
1.2
140
85 (29)
42 (76)
50 (38.7)
6,449 (1,890)
7,677 (2,250)
44 (20)
K2NHE28
230
0.6
140
85 (29)
42 (76)
50 (38.7)
6,449 (1,890)
7,677 (2,250)
44 (20)
Note: The rating Watts/°F is the heat dissipation divided by temperature difference between maximum air temperature in
enclosure and water temperature entering the heat exchanger.
