
32
Typical Evaporator Wiring (Electric Drain Pan Heater)
Wiring Diagram
(Optional Evaporator Powered Off Condensing Unit)
(Field supplied, not used when auxiliary temperature
sensor is field installed and activated to control room
temperature)
MTR
** USE COPPER CONDUCTORS ONLY**
PART NO. 29781801
REV D
1.FOR 208-230/1/60 WIRE TO T1 & T2 AND F1 & F2
Heatcraft Refrigeration Products LLC
3B
5
6
7
X
N
3A
4
MTR
MTR
J
X
N
3
4
H1
H2 H3 F1 F2 F3
CONDENSING
UNIT
24 VAC
18 GA. MIN.
EVAP DEFROST
SUCTION
TEMP
SENSOR
LIQUID LINE
SOLENOID
208-230V / 3 / 60 HZ
-OR-575V / 3 / 60 HZ
FOR SINGLE PHASE
SEE NOTE #1
EVAPORATOR
FAN MOTORS
3 PHASE
FAN
CONTACTOR
18-2
SOLENOID
HARNESS
Mfg. NOTES:
MTR
MTR
MTR
F1 F2
SINGLE PHASE
DETAIL
EVAP FAN
C
EVAP
DEFR.TEMP
LIQ. LINE
SOL.
T-STAT
C
FIELD WIRING
HEATER
CONTACTOR
EVAP
DEFR. HTR
DRAIN
PAN
HEATERS
CONDENSING UNIT
ELECTRIC BOX
EVAPORATOR
ELECTRIC BOX
MODELS 1860
& 2120 ONLY
* ROOM
THERMOSTAT
( FIELD SUPPLIED )
EVAPORATOR ELECTRICAL END
EVAPORATOR HEADER END
* NOTE: NOT USED WHEN AUX TEMPERATURE SENSOR
IS FIELD-INSTALLED AND ACTIVATED TO CONTROL
ROOM TEMPERATURE
Summary of Contents for Mohave
Page 13: ...13 Piping The following are examples of proper piping layout for typical system configurations...
Page 14: ...14 Piping...
Page 38: ...38 Standard Independent Evaporator Power Supply with VFD Condenser Fans Wiring Diagram...
Page 39: ...39 Standard Independent Evaporator Power Supply with VFD Condenser Fans Wiring Diagram...
Page 45: ...45 Defrost Operation Black Piping Inactive Gray Piping Active Hot Gas Defrost Cycle Diagrams...
Page 46: ...46 Defrost Operation Black Piping Inactive Gray Piping Active Hot Gas Defrost Cycle Diagrams...
Page 75: ...75 Notes...