GrandAire JT4BD 3 - 5, 3 Phase Product information

JT4BD 3 - 5, 3 Phase
GrandAire
Brand
GrandAire
Model
JT4BD 3 - 5, 3 Phase
Category
Motorcycle Accessories
Type
Product information

This manual is also suitable for

Outdoor Fan
Motor
Compressor
Reversing Valve
Solenoid
Defrost
Thermostat
Contactor
C
R
S
Black
Blue
Orange
Black
Black
Black
Black
Black
Black
T1
T2
C
Y
O
O
W2
R
R
DFT
DF2DF1
Defrost Control Board
E
W2
Y
R
C
O
E
Low Voltage
Terminals
Red
Red
Black
Blue
L1
T2T1
L3
T3
L2
T3
T2
T1
Capacitor
Yellow
CCH
(If Equipped)
Black
T2
DFT
TEST
See Note 6
HPS
Yellow w/
Black Hash
HPS
Grounding
Screw
Grd
(3 Phase)
Field Supply
L3L2L1
Split System Heat Pump Three Phase
WIRING DIAGRAM
NOTES:
1. Disconnect all power before servicing.
2. For supply connections use copper conductors only.
3. Not suitable on systems that exceed 150 volts to ground.
4. For replacement wires use conductors suitable for 105deg. C
5. For supply wire ampacities and overcurrent protection, see unit data label.
6. Connect to 24 vac/40va/class 2 circuit. See furnace/air handler installation
instructions for control circuit and optional Relay/Transformer Kits.
1. Couper le courant avant de faire letretien.
2. Employez uniquement des conducteurs en cuivre
3. Ne convient pas aux installations de plus de 150 volt a la terre.
FIELD WIRING
LEGEND:
LOW VOLTAGE
HIGH VOLTAGE
1
2
1
4
3
C
R
S
Compressor
Motor
L1
T1
L2
T2
RVS
R
C
Y
W2
O
E
DFT
R
W2
O
Y
C
T2
T1
DFT
CONTROL
LOGIC
DF2
DF1
CC
Capacitor
T3
T2
T1
CCH (If Equipped)
Outdoor Fan
Motor
L3
T3
Defrost Control Board
Low Voltage
Terminals
4 With DFT closed and “Y” closed, compressor run time is
accumulated. Opening of DFT during defrost or interval
period resets the interval to 0.
Defrost Board Operation:
Closes during defrost.
Rating: 1 Amp. Max.
Opens during defrost.
Rating: 2 HP. at 230 Vac Max.
Closed when “Y” is on.
Open when “Y” is off.
Provides “off” delay time
of 5 min. when “Y” opens.
1
3
2
5
Ground on location provided inside compressor
terminal box.
5
710661-0
02/07
¢710661¨¤
  • Page 1 1

GrandAire JT4BD 3 - 5, 3 Phase Product information

JT4BD 3 - 5, 3 Phase
GrandAire
Brand
GrandAire
Model
JT4BD 3 - 5, 3 Phase
Category
Motorcycle Accessories
Type
Product information
This manual is also suitable for
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